The _tep_register_function()_ function registers a function name mapped to an
address and (optional) module. This mapping is used in case the function tracer
-or events have "%pF" or "%pS" parameter in its format string. It is common to
-pass in the kallsyms function names with their corresponding addresses with this
+or events have "%pS" parameter in its format string. It is common to pass in
+the kallsyms function names with their corresponding addresses with this
function. The _tep_ argument is the trace event parser context. The _name_ is
-the name of the function, the string is copied internally. The _addr_ is
-the start address of the function. The _mod_ is the kernel module
-the function may be in (NULL for none).
+the name of the function, the string is copied internally. The _addr_ is the
+start address of the function. The _mod_ is the kernel module the function may
+be in (NULL for none).
The _tep_register_print_string()_ function registers a string by the address
it was stored in the kernel. Some strings internal to the kernel with static
switch (*ptr) {
case 's':
case 'S':
- case 'f':
- case 'F':
case 'x':
break;
+ case 'f':
+ case 'F':
+ /*
+ * Pre-5.5 kernels use %pf and
+ * %pF for printing symbols
+ * while kernels since 5.5 use
+ * %pfw for fwnodes. So check
+ * %p[fF] isn't followed by 'w'.
+ */
+ if (ptr[1] != 'w')
+ break;
+ /* fall through */
default:
/*
* Older kernels do not process
printk = find_printk(tep, addr);
if (!printk) {
- if (asprintf(&format, "%%pf: (NO FORMAT FOUND at %llx)\n", addr) < 0)
+ if (asprintf(&format, "%%ps: (NO FORMAT FOUND at %llx)\n", addr) < 0)
return NULL;
return format;
}
- if (asprintf(&format, "%s: %s", "%pf", printk->printk) < 0)
+ if (asprintf(&format, "%s: %s", "%ps", printk->printk) < 0)
return NULL;
return format;
# Create python binding output directory if not already present
_dummy := $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
-$(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_DYNAMIC_LIST)
+$(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_DYNAMIC_LIST) $(LIBPERF)
$(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \
CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS)' \
$(PYTHON_WORD) util/setup.py \
#include "../../util/evsel.h"
#include "../../util/pmu.h"
#include "../../util/cs-etm.h"
-#include "../../util/util.h"
+#include "../../util/util.h" // page_size
#include "../../util/session.h"
#include <errno.h>
#include "../../util/evsel.h"
#include "../../util/evlist.h"
#include "../../util/session.h"
-#include "../../util/util.h"
+#include "../../util/util.h" // page_size
#include "../../util/pmu.h"
#include "../../util/debug.h"
#include "../../util/auxtrace.h"
#include <dwarf-regs.h>
#include <linux/ptrace.h> /* for struct user_pt_regs */
#include <linux/stringify.h>
-#include "util.h"
struct pt_regs_dwarfnum {
const char *name;
#include <stdio.h>
#include <stdlib.h>
+#include <perf/cpumap.h>
+#include <internal/cpumap.h>
#include <api/fs/fs.h>
#include "debug.h"
#include "header.h"
/* read midr from list of cpus mapped to this pmu */
cpus = perf_cpu_map__get(pmu->cpus);
- for (cpu = 0; cpu < cpus->nr; cpu++) {
+ for (cpu = 0; cpu < perf_cpu_map__nr(cpus); cpu++) {
scnprintf(path, PATH_MAX, "%s/devices/system/cpu/cpu%d"MIDR,
sysfs, cpus->map[cpu]);
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
-#include "../../util/debug.h"
#endif
+#include "../../util/debug.h"
int LIBUNWIND__ARCH_REG_ID(int regnum)
{
#include <linux/ptrace.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
-#include "util.h"
struct pt_regs_dwarfnum {
const char *name;
#include <string.h>
#include <linux/stringify.h>
#include "header.h"
-#include "util.h"
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
#include "util/debug.h"
#include "util/evsel.h"
#include "util/evlist.h"
+#include "util/pmu.h"
#include "book3s_hv_exits.h"
#include "book3s_hcalls.h"
+#include <subcmd/parse-options.h>
#define NR_TPS 4
return ret;
}
+
+/*
+ * Incase of powerpc architecture, pmu registers are programmable
+ * by guest kernel. So monitoring guest via host may not provide
+ * valid samples with default 'cycles' event. It is better to use
+ * 'trace_imc/trace_cycles' event for guest profiling, since it
+ * can track the guest instruction pointer in the trace-record.
+ *
+ * Function to parse the arguments and return appropriate values.
+ */
+int kvm_add_default_arch_event(int *argc, const char **argv)
+{
+ const char **tmp;
+ bool event = false;
+ int i, j = *argc;
+
+ const struct option event_options[] = {
+ OPT_BOOLEAN('e', "event", &event, NULL),
+ OPT_END()
+ };
+
+ tmp = calloc(j + 1, sizeof(char *));
+ if (!tmp)
+ return -EINVAL;
+
+ for (i = 0; i < j; i++)
+ tmp[i] = argv[i];
+
+ parse_options(j, tmp, event_options, NULL, PARSE_OPT_KEEP_UNKNOWN);
+ if (!event) {
+ if (pmu_have_event("trace_imc", "trace_cycles")) {
+ argv[j++] = strdup("-e");
+ argv[j++] = strdup("trace_imc/trace_cycles/");
+ *argc += 2;
+ } else {
+ free(tmp);
+ return -EINVAL;
+ }
+ }
+
+ free(tmp);
+ return 0;
+}
#include "util/callchain.h"
#include "util/debug.h"
#include "util/dso.h"
+#include "util/event.h" // struct ip_callchain
#include "util/map.h"
#include "util/symbol.h"
* Copyright (C) 2015 Naveen N. Rao, IBM Corporation
*/
-#include "debug.h"
#include "dso.h"
#include "symbol.h"
#include "map.h"
#include <unistd.h>
#include <stdio.h>
#include <string.h>
-#include "util.h"
+#include "util.h" // page_size
#include "machine.h"
#include "api/fs/fs.h"
#include "debug.h"
#include "evlist.h"
#include "evsel.h"
#include "arch-tests.h"
-#include "util.h"
#include <signal.h>
#include <sys/mman.h>
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "record.h"
#include "tsc.h"
#include "tests/tests.h"
#include "tests/tests.h"
#include "cloexec.h"
#include "event.h"
-#include "util.h"
+#include "util.h" // page_size
#include "arch-tests.h"
static u64 rdpmc(unsigned int counter)
// SPDX-License-Identifier: GPL-2.0
#include "../../../../arch/x86/include/asm/insn.h"
#include "archinsn.h"
+#include "event.h"
#include "machine.h"
#include "thread.h"
#include "symbol.h"
#include <linux/string.h>
#include <linux/zalloc.h>
+#include "../../util/event.h"
+#include "../../util/synthetic-events.h"
#include "../../util/machine.h"
#include "../../util/tool.h"
#include "../../util/map.h"
#include "../../util/tsc.h"
#include "../../util/auxtrace.h"
#include "../../util/intel-bts.h"
-#include "../../util/util.h"
+#include "../../util/util.h" // page_size
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
#include "../../util/record.h"
#include "../../util/target.h"
#include "../../util/tsc.h"
-#include "../../util/util.h"
+#include "../../util/util.h" // page_size
#include "../../util/intel-pt.h"
#define KiB(x) ((x) * 1024)
// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
#include <linux/string.h>
+#include <limits.h>
#include <stdlib.h>
-#include "../../util/util.h"
+#include "../../util/util.h" // page_size
#include "../../util/machine.h"
#include "../../util/map.h"
#include "../../util/symbol.h"
#include <linux/types.h>
#include <asm/barrier.h>
#include "../../../util/debug.h"
+#include "../../../util/event.h"
+#include "../../../util/synthetic-events.h"
#include "../../../util/tsc.h"
int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
#include <sys/resource.h>
#include <sys/epoll.h>
#include <sys/eventfd.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include "bench.h"
-#include "cpumap.h"
#include <err.h>
#include <sys/epoll.h>
#include <sys/eventfd.h>
#include <sys/types.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include "bench.h"
-#include "cpumap.h"
#include <err.h>
#include <linux/kernel.h>
#include <linux/zalloc.h>
#include <sys/time.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include "bench.h"
#include "futex.h"
-#include "cpumap.h"
#include <err.h>
#include <linux/kernel.h>
#include <linux/zalloc.h>
#include <errno.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
-#include "cpumap.h"
#include <err.h>
#include <stdlib.h>
#include <linux/kernel.h>
#include <linux/time64.h>
#include <errno.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
-#include "cpumap.h"
#include <err.h>
#include <stdlib.h>
#include <linux/time64.h>
#include <errno.h>
#include "futex.h"
-#include "cpumap.h"
+#include <internal/cpumap.h>
+#include <perf/cpumap.h>
#include <err.h>
#include <stdlib.h>
#include <linux/kernel.h>
#include <linux/time64.h>
#include <errno.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
-#include "cpumap.h"
#include <err.h>
#include <stdlib.h>
/* For the CLR_() macros */
#include <pthread.h>
-#include "../builtin.h"
#include <subcmd/parse-options.h>
#include "../util/cloexec.h"
*
*/
-#include "../util/util.h"
#include <subcmd/parse-options.h>
-#include "../builtin.h"
#include "bench.h"
/* Test groups of 20 processes spraying to 20 receivers */
* http://people.redhat.com/mingo/cfs-scheduler/tools/pipe-test-1m.c
* Ported to perf by Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
*/
-#include "../util/util.h"
#include <subcmd/parse-options.h>
-#include "../builtin.h"
#include "bench.h"
#include <unistd.h>
#include "util/sort.h"
#include "util/hist.h"
#include "util/dso.h"
+#include "util/machine.h"
#include "util/map.h"
#include "util/session.h"
#include "util/tool.h"
#include <sys/param.h>
#include "debug.h"
#include "builtin.h"
+#include <perf/cpumap.h>
#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "map_symbol.h"
#include "util/cache.h"
#include <subcmd/parse-options.h>
-#include "util/util.h"
#include "util/debug.h"
#include "util/config.h"
#include <linux/string.h>
*/
#include "builtin.h"
-#include "util/util.h"
-
#include <linux/list.h>
#include "perf.h"
#include "util/auxtrace.h"
#include "util/jit.h"
#include "util/symbol.h"
+#include "util/synthetic-events.h"
#include "util/thread.h"
#include <subcmd/parse-options.h>
#include "util/debug.h"
#include "util/tool.h"
#include "util/stat.h"
+#include "util/synthetic-events.h"
#include "util/top.h"
#include "util/data.h"
#include "util/ordered-events.h"
+#include "util/kvm-stat.h"
#include "ui/ui.h"
#include <sys/prctl.h>
}
#ifdef HAVE_KVM_STAT_SUPPORT
-#include "util/kvm-stat.h"
void exit_event_get_key(struct evsel *evsel,
struct perf_sample *sample,
}
#endif /* HAVE_KVM_STAT_SUPPORT */
+int __weak kvm_add_default_arch_event(int *argc __maybe_unused,
+ const char **argv __maybe_unused)
+{
+ return 0;
+}
+
static int __cmd_record(const char *file_name, int argc, const char **argv)
{
- int rec_argc, i = 0, j;
+ int rec_argc, i = 0, j, ret;
const char **rec_argv;
+ ret = kvm_add_default_arch_event(&argc, argv);
+ if (ret)
+ return -EINVAL;
+
rec_argc = argc + 2;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
rec_argv[i++] = strdup("record");
#include "util/trigger.h"
#include "util/perf-hooks.h"
#include "util/cpu-set-sched.h"
+#include "util/synthetic-events.h"
#include "util/time-utils.h"
#include "util/units.h"
#include "util/bpf-event.h"
static void snapshot_sig_handler(int sig);
static void alarm_sig_handler(int sig);
-int __weak
-perf_event__synth_time_conv(const struct perf_event_mmap_page *pc __maybe_unused,
- struct perf_tool *tool __maybe_unused,
- perf_event__handler_t process __maybe_unused,
- struct machine *machine __maybe_unused)
-{
- return 0;
-}
-
static const struct perf_event_mmap_page *
perf_evlist__pick_pc(struct evlist *evlist)
{
#include "util/auxtrace.h"
#include "util/units.h"
#include "util/branch.h"
-#include "util/util.h"
+#include "util/util.h" // perf_tip()
#include "ui/ui.h"
#include "ui/progress.h"
#include "perf.h"
#include "perf-sys.h"
+#include "util/cpumap.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/symbol.h"
#include "util/trace-event.h"
#include "util/debug.h"
+#include "util/event.h"
#include <linux/kernel.h>
#include <linux/log2.h>
#include <pthread.h>
#include <math.h>
#include <api/fs/fs.h>
+#include <perf/cpumap.h>
#include <linux/time64.h>
#include <linux/ctype.h>
#include "util/tool.h"
#include "util/string2.h"
#include "util/metricgroup.h"
+#include "util/synthetic-events.h"
#include "util/target.h"
#include "util/time-utils.h"
#include "util/top.h"
if (err < 0)
return err;
- err = perf_stat_synthesize_config(&stat_config, NULL, evsel_list,
- process_synthesized_event, is_pipe);
+ err = perf_event__synthesize_stat_events(&stat_config, NULL, evsel_list,
+ process_synthesized_event, is_pipe);
if (err < 0)
return err;
}
return cpu_map__get_core(map, cpu, NULL);
}
-static int cpu_map__get_max(struct perf_cpu_map *map)
-{
- int i, max = -1;
-
- for (i = 0; i < map->nr; i++) {
- if (map->map[i] > max)
- max = map->map[i];
- }
-
- return max;
-}
-
static int perf_stat__get_aggr(struct perf_stat_config *config,
aggr_get_id_t get_id, struct perf_cpu_map *map, int idx)
{
* taking the highest cpu number to be the size of
* the aggregation translate cpumap.
*/
- nr = cpu_map__get_max(evsel_list->core.cpus);
+ nr = perf_cpu_map__max(evsel_list->core.cpus);
stat_config.cpus_aggr_map = perf_cpu_map__empty_new(nr + 1);
return stat_config.cpus_aggr_map ? 0 : -ENOMEM;
}
fprintf(output, "[ perf stat: executing run #%d ... ]\n",
run_idx + 1);
+ if (run_idx != 0)
+ perf_evlist__reset_prev_raw_counts(evsel_list);
+
status = run_perf_stat(argc, argv, run_idx);
- if (forever && status != -1) {
+ if (forever && status != -1 && !interval) {
print_counters(NULL, argc, argv);
perf_stat__reset_stats();
}
#include "util/map.h"
#include "util/session.h"
#include "util/symbol.h"
+#include "util/synthetic-events.h"
#include "util/top.h"
#include "util/util.h"
#include <linux/rbtree.h>
#include "util/dso.h"
#include "util/env.h"
#include "util/event.h"
+#include "util/synthetic-events.h"
#include "util/evlist.h"
#include "util/evswitch.h"
#include <subcmd/pager.h>
jvmti-y += libjvmti.o
jvmti-y += jvmti_agent.o
+# For strlcpy
+jvmti-y += libstring.o
+
CFLAGS_jvmti = -fPIC -DPIC -I$(JDIR)/include -I$(JDIR)/include/linux
CFLAGS_REMOVE_jvmti = -Wmissing-declarations
CFLAGS_REMOVE_jvmti += -Wstrict-prototypes
CFLAGS_REMOVE_jvmti += -Wextra
CFLAGS_REMOVE_jvmti += -Wwrite-strings
+
+CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
+
+$(OUTPUT)jvmti/libstring.o: ../lib/string.c FORCE
+ $(call rule_mkdir)
+ $(call if_changed_dep,cc_o_c)
$(call do_install,include/perf/threadmap.h,$(prefix)/include/perf,644); \
$(call do_install,include/perf/evlist.h,$(prefix)/include/perf,644); \
$(call do_install,include/perf/evsel.h,$(prefix)/include/perf,644);
+ $(call do_install,include/perf/event.h,$(prefix)/include/perf,644);
install_pkgconfig: $(LIBPERF_PC)
$(call QUIET_INSTALL, $(LIBPERF_PC)) \
return -1;
}
+
+int perf_cpu_map__max(struct perf_cpu_map *map)
+{
+ int i, max = -1;
+
+ for (i = 0; i < map->nr; i++) {
+ if (map->map[i] > max)
+ max = map->map[i];
+ }
+
+ return max;
+}
LIBPERF_API int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
+LIBPERF_API int perf_cpu_map__max(struct perf_cpu_map *map);
#define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \
for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \
perf_cpu_map__nr;
perf_cpu_map__cpu;
perf_cpu_map__empty;
+ perf_cpu_map__max;
perf_thread_map__new_dummy;
perf_thread_map__set_pid;
perf_thread_map__comm;
#include "util/bpf-loader.h"
#include "util/debug.h"
#include "util/event.h"
-#include "util/util.h"
+#include "util/util.h" // page_size, usage()
#include "ui/ui.h"
#include "perf-sys.h"
#include <api/fs/fs.h>
--- /dev/null
+[
+ {
+ "PublicDescription": "Mispredicted or not predicted branch speculatively executed. This event counts any predictable branch instruction which is mispredicted either due to dynamic misprediction or because the MMU is off and the branches are statically predicted not taken.",
+ "EventCode": "0x10",
+ "EventName": "BR_MIS_PRED",
+ "BriefDescription": "Mispredicted or not predicted branch speculatively executed."
+ },
+ {
+ "PublicDescription": "Predictable branch speculatively executed. This event counts all predictable branches.",
+ "EventCode": "0x12",
+ "EventName": "BR_PRED",
+ "BriefDescription": "Predictable branch speculatively executed."
+ }
+]
--- /dev/null
+[
+ {
+ "EventCode": "0x11",
+ "EventName": "CPU_CYCLES",
+ "BriefDescription": "The number of core clock cycles."
+ },
+ {
+ "PublicDescription": "Bus access. This event counts for every beat of data transferred over the data channels between the core and the SCU. If both read and write data beats are transferred on a given cycle, this event is counted twice on that cycle. This event counts the sum of BUS_ACCESS_RD and BUS_ACCESS_WR.",
+ "EventCode": "0x19",
+ "EventName": "BUS_ACCESS",
+ "BriefDescription": "Bus access."
+ },
+ {
+ "EventCode": "0x1D",
+ "EventName": "BUS_CYCLES",
+ "BriefDescription": "Bus cycles. This event duplicates CPU_CYCLES."
+ },
+ {
+ "ArchStdEvent": "BUS_ACCESS_RD"
+ },
+ {
+ "ArchStdEvent": "BUS_ACCESS_WR"
+ }
+]
--- /dev/null
+[
+ {
+ "PublicDescription": "L1 instruction cache refill. This event counts any instruction fetch which misses in the cache.",
+ "EventCode": "0x01",
+ "EventName": "L1I_CACHE_REFILL",
+ "BriefDescription": "L1 instruction cache refill"
+ },
+ {
+ "PublicDescription": "L1 instruction TLB refill. This event counts any refill of the instruction L1 TLB from the L2 TLB. This includes refills that result in a translation fault.",
+ "EventCode": "0x02",
+ "EventName": "L1I_TLB_REFILL",
+ "BriefDescription": "L1 instruction TLB refill"
+ },
+ {
+ "PublicDescription": "L1 data cache refill. This event counts any load or store operation or page table walk access which causes data to be read from outside the L1, including accesses which do not allocate into L1.",
+ "EventCode": "0x03",
+ "EventName": "L1D_CACHE_REFILL",
+ "BriefDescription": "L1 data cache refill"
+ },
+ {
+ "PublicDescription": "L1 data cache access. This event counts any load or store operation or page table walk access which looks up in the L1 data cache. In particular, any access which could count the L1D_CACHE_REFILL event causes this event to count.",
+ "EventCode": "0x04",
+ "EventName": "L1D_CACHE",
+ "BriefDescription": "L1 data cache access"
+ },
+ {
+ "PublicDescription": "L1 data TLB refill. This event counts any refill of the data L1 TLB from the L2 TLB. This includes refills that result in a translation fault.",
+ "EventCode": "0x05",
+ "EventName": "L1D_TLB_REFILL",
+ "BriefDescription": "L1 data TLB refill"
+ },
+ {
+ "PublicDescription": "Level 1 instruction cache access or Level 0 Macro-op cache access. This event counts any instruction fetch which accesses the L1 instruction cache or L0 Macro-op cache.",
+ "EventCode": "0x14",
+ "EventName": "L1I_CACHE",
+ "BriefDescription": "L1 instruction cache access"
+ },
+ {
+ "PublicDescription": "L1 data cache Write-Back. This event counts any write-back of data from the L1 data cache to L2 or L3. This counts both victim line evictions and snoops, including cache maintenance operations.",
+ "EventCode": "0x15",
+ "EventName": "L1D_CACHE_WB",
+ "BriefDescription": "L1 data cache Write-Back"
+ },
+ {
+ "PublicDescription": "L2 data cache access. This event counts any transaction from L1 which looks up in the L2 cache, and any write-back from the L1 to the L2. Snoops from outside the core and cache maintenance operations are not counted.",
+ "EventCode": "0x16",
+ "EventName": "L2D_CACHE",
+ "BriefDescription": "L2 data cache access"
+ },
+ {
+ "PublicDescription": "L2 data cache refill. This event counts any cacheable transaction from L1 which causes data to be read from outside the core. L2 refills caused by stashes into L2 should not be counted",
+ "EventCode": "0x17",
+ "EventName": "L2D_CACHE_REFILL",
+ "BriefDescription": "L2 data cache refill"
+ },
+ {
+ "PublicDescription": "L2 data cache write-back. This event counts any write-back of data from the L2 cache to outside the core. This includes snoops to the L2 which return data, regardless of whether they cause an invalidation. Invalidations from the L2 which do not write data outside of the core and snoops which return data from the L1 are not counted",
+ "EventCode": "0x18",
+ "EventName": "L2D_CACHE_WB",
+ "BriefDescription": "L2 data cache write-back"
+ },
+ {
+ "PublicDescription": "L2 data cache allocation without refill. This event counts any full cache line write into the L2 cache which does not cause a linefill, including write-backs from L1 to L2 and full-line writes which do not allocate into L1.",
+ "EventCode": "0x20",
+ "EventName": "L2D_CACHE_ALLOCATE",
+ "BriefDescription": "L2 data cache allocation without refill"
+ },
+ {
+ "PublicDescription": "Level 1 data TLB access. This event counts any load or store operation which accesses the data L1 TLB. If both a load and a store are executed on a cycle, this event counts twice. This event counts regardless of whether the MMU is enabled.",
+ "EventCode": "0x25",
+ "EventName": "L1D_TLB",
+ "BriefDescription": "Level 1 data TLB access."
+ },
+ {
+ "PublicDescription": "Level 1 instruction TLB access. This event counts any instruction fetch which accesses the instruction L1 TLB.This event counts regardless of whether the MMU is enabled.",
+ "EventCode": "0x26",
+ "EventName": "L1I_TLB",
+ "BriefDescription": "Level 1 instruction TLB access"
+ },
+ {
+ "PublicDescription": "This event counts any full cache line write into the L3 cache which does not cause a linefill, including write-backs from L2 to L3 and full-line writes which do not allocate into L2",
+ "EventCode": "0x29",
+ "EventName": "L3D_CACHE_ALLOCATE",
+ "BriefDescription": "Allocation without refill"
+ },
+ {
+ "PublicDescription": "Attributable Level 3 unified cache refill. This event counts for any cacheable read transaction returning datafrom the SCU for which the data source was outside the cluster. Transactions such as ReadUnique are counted here as 'read' transactions, even though they can be generated by store instructions.",
+ "EventCode": "0x2A",
+ "EventName": "L3D_CACHE_REFILL",
+ "BriefDescription": "Attributable Level 3 unified cache refill."
+ },
+ {
+ "PublicDescription": "Attributable Level 3 unified cache access. This event counts for any cacheable read transaction returning datafrom the SCU, or for any cacheable write to the SCU.",
+ "EventCode": "0x2B",
+ "EventName": "L3D_CACHE",
+ "BriefDescription": "Attributable Level 3 unified cache access."
+ },
+ {
+ "PublicDescription": "Attributable L2 data or unified TLB refill. This event counts on anyrefill of the L2 TLB, caused by either an instruction or data access.This event does not count if the MMU is disabled.",
+ "EventCode": "0x2D",
+ "EventName": "L2D_TLB_REFILL",
+ "BriefDescription": "Attributable L2 data or unified TLB refill"
+ },
+ {
+ "PublicDescription": "Attributable L2 data or unified TLB access. This event counts on any access to the L2 TLB (caused by a refill of any of the L1 TLBs). This event does not count if the MMU is disabled.",
+ "EventCode": "0x2F",
+ "EventName": "L2D_TLB",
+ "BriefDescription": "Attributable L2 data or unified TLB access"
+ },
+ {
+ "PublicDescription": "Access to data TLB that caused a page table walk. This event counts on any data access which causes L2D_TLB_REFILL to count.",
+ "EventCode": "0x34",
+ "EventName": "DTLB_WALK",
+ "BriefDescription": "Access to data TLB that caused a page table walk."
+ },
+ {
+ "PublicDescription": "Access to instruction TLB that caused a page table walk. This event counts on any instruction access which causes L2D_TLB_REFILL to count.",
+ "EventCode": "0x35",
+ "EventName": "ITLB_WALK",
+ "BriefDescription": "Access to instruction TLB that caused a page table walk."
+ },
+ {
+ "EventCode": "0x36",
+ "EventName": "LL_CACHE_RD",
+ "BriefDescription": "Last level cache access, read"
+ },
+ {
+ "EventCode": "0x37",
+ "EventName": "LL_CACHE_MISS_RD",
+ "BriefDescription": "Last level cache miss, read"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_INVAL"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_RD"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_REFILL_INNER"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_REFILL_OUTER"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_REFILL_RD"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_REFILL_WR"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_WB_CLEAN"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_WB_VICTIM"
+ },
+ {
+ "ArchStdEvent": "L1D_CACHE_WR"
+ },
+ {
+ "ArchStdEvent": "L1D_TLB_RD"
+ },
+ {
+ "ArchStdEvent": "L1D_TLB_REFILL_RD"
+ },
+ {
+ "ArchStdEvent": "L1D_TLB_REFILL_WR"
+ },
+ {
+ "ArchStdEvent": "L1D_TLB_WR"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_INVAL"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_RD"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_REFILL_RD"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_REFILL_WR"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_WB_CLEAN"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_WB_VICTIM"
+ },
+ {
+ "ArchStdEvent": "L2D_CACHE_WR"
+ },
+ {
+ "ArchStdEvent": "L2D_TLB_RD"
+ },
+ {
+ "ArchStdEvent": "L2D_TLB_REFILL_RD"
+ },
+ {
+ "ArchStdEvent": "L2D_TLB_REFILL_WR"
+ },
+ {
+ "ArchStdEvent": "L2D_TLB_WR"
+ },
+ {
+ "ArchStdEvent": "L3D_CACHE_RD"
+ }
+]
--- /dev/null
+[
+ {
+ "EventCode": "0x09",
+ "EventName": "EXC_TAKEN",
+ "BriefDescription": "Exception taken."
+ },
+ {
+ "PublicDescription": "Local memory error. This event counts any correctable or uncorrectable memory error (ECC or parity) in the protected core RAMs",
+ "EventCode": "0x1A",
+ "EventName": "MEMORY_ERROR",
+ "BriefDescription": "Local memory error."
+ },
+ {
+ "ArchStdEvent": "EXC_DABORT"
+ },
+ {
+ "ArchStdEvent": "EXC_FIQ"
+ },
+ {
+ "ArchStdEvent": "EXC_HVC"
+ },
+ {
+ "ArchStdEvent": "EXC_IRQ"
+ },
+ {
+ "ArchStdEvent": "EXC_PABORT"
+ },
+ {
+ "ArchStdEvent": "EXC_SMC"
+ },
+ {
+ "ArchStdEvent": "EXC_SVC"
+ },
+ {
+ "ArchStdEvent": "EXC_TRAP_DABORT"
+ },
+ {
+ "ArchStdEvent": "EXC_TRAP_FIQ"
+ },
+ {
+ "ArchStdEvent": "EXC_TRAP_IRQ"
+ },
+ {
+ "ArchStdEvent": "EXC_TRAP_OTHER"
+ },
+ {
+ "ArchStdEvent": "EXC_TRAP_PABORT"
+ },
+ {
+ "ArchStdEvent": "EXC_UNDEF"
+ }
+]
--- /dev/null
+[
+ {
+ "PublicDescription": "Software increment. Instruction architecturally executed (condition code check pass).",
+ "EventCode": "0x00",
+ "EventName": "SW_INCR",
+ "BriefDescription": "Software increment."
+ },
+ {
+ "PublicDescription": "Instruction architecturally executed. This event counts all retired instructions, including those that fail their condition check.",
+ "EventCode": "0x08",
+ "EventName": "INST_RETIRED",
+ "BriefDescription": "Instruction architecturally executed."
+ },
+ {
+ "EventCode": "0x0A",
+ "EventName": "EXC_RETURN",
+ "BriefDescription": "Instruction architecturally executed, condition code check pass, exception return."
+ },
+ {
+ "PublicDescription": "Instruction architecturally executed, condition code check pass, write to CONTEXTIDR. This event only counts writes to CONTEXTIDR in AArch32 state, and via the CONTEXTIDR_EL1 mnemonic in AArch64 state.",
+ "EventCode": "0x0B",
+ "EventName": "CID_WRITE_RETIRED",
+ "BriefDescription": "Instruction architecturally executed, condition code check pass, write to CONTEXTIDR."
+ },
+ {
+ "EventCode": "0x1B",
+ "EventName": "INST_SPEC",
+ "BriefDescription": "Operation speculatively executed"
+ },
+ {
+ "PublicDescription": "Instruction architecturally executed, condition code check pass, write to TTBR. This event only counts writes to TTBR0/TTBR1 in AArch32 state and TTBR0_EL1/TTBR1_EL1 in AArch64 state.",
+ "EventCode": "0x1C",
+ "EventName": "TTBR_WRITE_RETIRED",
+ "BriefDescription": "Instruction architecturally executed, condition code check pass, write to TTBR"
+ },
+ {
+ "PublicDescription": "Instruction architecturally executed, branch. This event counts all branches, taken or not. This excludes exception entries, debug entries and CCFAIL branches.",
+ "EventCode": "0x21",
+ "EventName": "BR_RETIRED",
+ "BriefDescription": "Instruction architecturally executed, branch."
+ },
+ {
+ "PublicDescription": "Instruction architecturally executed, mispredicted branch. This event counts any branch counted by BR_RETIRED which is not correctly predicted and causes a pipeline flush.",
+ "EventCode": "0x22",
+ "EventName": "BR_MIS_PRED_RETIRED",
+ "BriefDescription": "Instruction architecturally executed, mispredicted branch."
+ },
+ {
+ "ArchStdEvent": "ASE_SPEC"
+ },
+ {
+ "ArchStdEvent": "BR_IMMED_SPEC"
+ },
+ {
+ "ArchStdEvent": "BR_INDIRECT_SPEC"
+ },
+ {
+ "ArchStdEvent": "BR_RETURN_SPEC"
+ },
+ {
+ "ArchStdEvent": "CRYPTO_SPEC"
+ },
+ {
+ "ArchStdEvent": "DMB_SPEC"
+ },
+ {
+ "ArchStdEvent": "DP_SPEC"
+ },
+ {
+ "ArchStdEvent": "DSB_SPEC"
+ },
+ {
+ "ArchStdEvent": "ISB_SPEC"
+ },
+ {
+ "ArchStdEvent": "LDREX_SPEC"
+ },
+ {
+ "ArchStdEvent": "LDST_SPEC"
+ },
+ {
+ "ArchStdEvent": "LD_SPEC"
+ },
+ {
+ "ArchStdEvent": "PC_WRITE_SPEC"
+ },
+ {
+ "ArchStdEvent": "RC_LD_SPEC"
+ },
+ {
+ "ArchStdEvent": "RC_ST_SPEC"
+ },
+ {
+ "ArchStdEvent": "STREX_FAIL_SPEC"
+ },
+ {
+ "ArchStdEvent": "STREX_PASS_SPEC"
+ },
+ {
+ "ArchStdEvent": "STREX_SPEC"
+ },
+ {
+ "ArchStdEvent": "ST_SPEC"
+ },
+ {
+ "ArchStdEvent": "VFP_SPEC"
+ }
+]
--- /dev/null
+[
+ {
+ "PublicDescription": "Data memory access. This event counts memory accesses due to load or store instructions. This event counts the sum of MEM_ACCESS_RD and MEM_ACCESS_WR.",
+ "EventCode": "0x13",
+ "EventName": "MEM_ACCESS",
+ "BriefDescription": "Data memory access"
+ },
+ {
+ "ArchStdEvent": "MEM_ACCESS_RD"
+ },
+ {
+ "ArchStdEvent": "MEM_ACCESS_WR"
+ },
+ {
+ "ArchStdEvent": "UNALIGNED_LD_SPEC"
+ },
+ {
+ "ArchStdEvent": "UNALIGNED_ST_SPEC"
+ },
+ {
+ "ArchStdEvent": "UNALIGNED_LDST_SPEC"
+ }
+]
--- /dev/null
+[
+ {
+ "EventCode": "0x31",
+ "EventName": "REMOTE_ACCESS",
+ "BriefDescription": "Access to another socket in a multi-socket system"
+ }
+]
--- /dev/null
+[
+ {
+ "PublicDescription": "No operation issued because of the frontend. The counter counts on any cycle when there are no fetched instructions available to dispatch.",
+ "EventCode": "0x23",
+ "EventName": "STALL_FRONTEND",
+ "BriefDescription": "No operation issued because of the frontend."
+ },
+ {
+ "PublicDescription": "No operation issued because of the backend. The counter counts on any cycle fetched instructions are not dispatched due to resource constraints.",
+ "EventCode": "0x24",
+ "EventName": "STALL_BACKEND",
+ "BriefDescription": "No operation issued because of the backend."
+ }
+]
0x00000000420f1000,v1,arm/cortex-a53,core
0x00000000410fd070,v1,arm/cortex-a57-a72,core
0x00000000410fd080,v1,arm/cortex-a57-a72,core
+0x00000000410fd0b0,v1,arm/cortex-a76-n1,core
+0x00000000410fd0c0,v1,arm/cortex-a76-n1,core
0x00000000420f5160,v1,cavium/thunderx2,core
0x00000000430f0af0,v1,cavium/thunderx2,core
0x00000000480fd010,v1,hisilicon/hip08,core
#include <linux/compiler.h>
#include <linux/bitmap.h>
#include <perf/cpumap.h>
+#include <internal/cpumap.h>
#include "tests.h"
-#include "cpumap.h"
#include "debug.h"
#define NBITS 100
// SPDX-License-Identifier: GPL-2.0
#include "tests.h"
-#include "debug.h"
-#include "util.h"
#include "c++/clang-c.h"
#include <linux/kernel.h>
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "machine.h"
#include "map.h"
#include "symbol.h"
#include "event.h"
#include "record.h"
+#include "util/synthetic-events.h"
#include "thread.h"
#include "tests.h"
#include <stdio.h>
#include "cpumap.h"
#include "event.h"
+#include "util/synthetic-events.h"
#include <string.h>
#include <linux/bitops.h>
#include <perf/cpumap.h>
#include <sys/resource.h>
#include <api/fs/fs.h>
#include "dso.h"
-#include "util.h"
#include "machine.h"
#include "symbol.h"
#include "tests.h"
#include "symbol.h"
#include "thread.h"
#include "callchain.h"
+#include "util/synthetic-events.h"
#if defined (__x86_64__) || defined (__i386__) || defined (__powerpc__)
#include "arch-tests.h"
#include "tests.h"
#include "evlist.h"
#include "evsel.h"
-#include "util.h"
#include "debug.h"
#include "parse-events.h"
#include "thread_map.h"
#include <linux/compiler.h>
#include <perf/cpumap.h>
#include <string.h>
+#include "cpumap.h"
#include "evlist.h"
#include "evsel.h"
#include "header.h"
#include "machine.h"
+#include "util/synthetic-events.h"
#include "tool.h"
#include "tests.h"
#include "debug.h"
evsel = perf_evlist__first(evlist);
- TEST_ASSERT_VAL("failed to allos ids",
+ TEST_ASSERT_VAL("failed to allocate ids",
!perf_evsel__alloc_id(evsel, 1, 1));
perf_evlist__id_add(evlist, evsel, 0, 0, 123);
#include <inttypes.h>
#include "util/debug.h"
#include "util/dso.h"
+#include "util/event.h" // struct perf_sample
#include "util/map.h"
#include "util/symbol.h"
#include "util/sort.h"
#include "util/thread.h"
#include "tests/hists_common.h"
#include <linux/kernel.h>
+#include <linux/perf_event.h>
static struct {
u32 pid;
#include "evsel.h"
#include "record.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "tests.h"
#define CHECK__(x) { \
found = find_comm(evlist, comm);
if (found != 1) {
- pr_debug("Seconf time, failed to find tracking event.\n");
+ pr_debug("Second time, failed to find tracking event.\n");
goto out_err;
}
#include "llvm.h"
#include "tests.h"
#include "debug.h"
-#include "util.h"
#ifdef HAVE_LIBBPF_SUPPORT
static int test__bpf_parsing(void *obj_buf, size_t obj_buf_sz)
(make -C ../../tools $(PARALLEL_OPT) $(K_O_OPT) perf) > $@ 2>&1 && \
test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false)
+make_libperf:
+ @echo "- make -C lib";
+ make -C lib clean >$@ 2>&1; make -C lib >>$@ 2>&1 && rm $@
+
FEATURES_DUMP_FILE := $(FULL_O)/BUILD_TEST_FEATURE_DUMP
FEATURES_DUMP_FILE_STATIC := $(FULL_O)/BUILD_TEST_FEATURE_DUMP_STATIC
$(eval $(t) := $($(t)) FEATURES_DUMP=$(FEATURES_DUMP_FILE))))
endif
-.PHONY: all $(run) $(run_O) tarpkg clean make_kernelsrc make_kernelsrc_tools
+.PHONY: all $(run) $(run_O) tarpkg clean make_kernelsrc make_kernelsrc_tools make_libperf
endif # ifndef MK
#include <linux/kernel.h>
#include <linux/zalloc.h>
#include <perf/cpumap.h>
-#include "cpumap.h"
+#include <internal/cpumap.h>
#include "debug.h"
#include "env.h"
#include "mem2node.h"
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "tests.h"
#include <linux/err.h>
#include <linux/kernel.h>
cpus = perf_cpu_map__new(NULL);
if (cpus == NULL) {
- pr_debug("cpu_map__new\n");
+ pr_debug("perf_cpu_map__new\n");
goto out_free_threads;
}
#include <stdlib.h>
#include <stdio.h>
#include "debug.h"
+#include "event.h"
#include "tests.h"
#include "machine.h"
#include "thread_map.h"
#include "map.h"
#include "symbol.h"
+#include "util/synthetic-events.h"
#include "thread.h"
-#include "util.h"
+#include "util.h" // page_size
#define THREADS 4
#include "evsel.h"
#include "tests.h"
#include "thread_map.h"
-#include "cpumap.h"
+#include <perf/cpumap.h>
+#include <internal/cpumap.h>
#include "debug.h"
#include "stat.h"
#include "util/counts.h"
cpus = perf_cpu_map__new(NULL);
if (cpus == NULL) {
- pr_debug("cpu_map__new\n");
+ pr_debug("perf_cpu_map__new\n");
goto out_thread_map_delete;
}
#include "tests.h"
#include "debug.h"
#include "pmu.h"
-#include "util.h"
#include <dirent.h>
#include <errno.h>
#include <sys/types.h>
-// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/types.h>
#include <stddef.h>
#include "event.h"
#include "evlist.h"
#include "header.h"
-#include "util.h"
#include "debug.h"
static int process_event(struct evlist **pevlist, union perf_event *event)
#include "tests.h"
#include "debug.h"
-#include "util.h"
#include "perf-hooks.h"
static void sigsegv_handler(int sig __maybe_unused)
// SPDX-License-Identifier: GPL-2.0
#include "parse-events.h"
#include "pmu.h"
-#include "util.h"
#include "tests.h"
#include <errno.h>
#include <stdio.h>
#include "map_symbol.h"
#include "branch.h"
-#include "util.h"
#include "event.h"
#include "evsel.h"
#include "debug.h"
+#include "util/synthetic-events.h"
#include "tests.h"
#include "stat.h"
#include "counts.h"
#include "debug.h"
+#include "util/synthetic-events.h"
static bool has_term(struct perf_record_stat_config *config,
u64 tag, u64 val)
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "record.h"
#include "tests.h"
#include "evsel.h"
#include "target.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "tests.h"
#include <errno.h>
#include <signal.h>
#include <linux/string.h>
+#include <perf/cpumap.h>
#include <perf/evlist.h>
static int exited;
#include "thread_map.h"
#include "debug.h"
#include "event.h"
+#include "util/synthetic-events.h"
#include <linux/zalloc.h>
#include <perf/event.h>
#include <stdlib.h>
#include <stdio.h>
#include <perf/cpumap.h>
+#include "cpumap.h"
#include "tests.h"
-#include "util.h"
#include "session.h"
#include "evlist.h"
#include "debug.h"
#include "dso.h"
#include "map.h"
#include "symbol.h"
-#include "util.h"
+#include "util.h" // page_size
#include "tests.h"
#include "debug.h"
#include "machine.h"
// SPDX-License-Identifier: GPL-2.0
-#include "../util/util.h"
#include "../util/string2.h"
#include "../util/config.h"
#include "libslang.h"
#include "../browser.h"
#include "../helpline.h"
#include "../ui.h"
-#include "../util.h"
#include "../../util/annotate.h"
#include "../../util/debug.h"
#include "../../util/dso.h"
// SPDX-License-Identifier: GPL-2.0
-#include "util/debug.h"
#include "ui/browser.h"
#include "ui/keysyms.h"
#include "ui/ui.h"
#include <stdlib.h>
#include <string.h>
#include <linux/bitops.h>
-#include "../../util/util.h"
#include "../../util/debug.h"
#include "../../util/map.h"
#include "../../util/dso.h"
#include "config.h"
#include "time-utils.h"
#include "../util.h"
-#include "../../util/util.h"
+#include "../../util/util.h" // perf_exe()
#include "../../perf.h"
#include <stdlib.h>
#include <string.h>
// SPDX-License-Identifier: GPL-2.0
#include "../../builtin.h"
#include "../../perf.h"
-#include "../../util/util.h"
+#include "../../util/util.h" // perf_exe()
+#include "../util.h"
#include "../../util/hist.h"
#include "../../util/debug.h"
#include "../../util/symbol.h"
#include "gtk.h"
#include "../ui.h"
#include "../helpline.h"
-#include "../../util/debug.h"
static void gtk_helpline_pop(void)
{
#include "gtk.h"
#include "../progress.h"
-#include "util.h"
static GtkWidget *dialog;
static GtkWidget *progress;
// SPDX-License-Identifier: GPL-2.0
#include "gtk.h"
-#include "../../util/debug.h"
+#include <linux/compiler.h>
+#include "../util.h"
extern struct perf_error_ops perf_gtk_eops;
// SPDX-License-Identifier: GPL-2.0
#include "../util.h"
-#include "../../util/debug.h"
#include "gtk.h"
#include <stdlib.h>
#include <stdlib.h>
#include <string.h>
-#include "../util/debug.h"
#include "helpline.h"
#include "ui.h"
-#include "../util/util.h"
char ui_helpline__current[512];
#include "../util/callchain.h"
#include "../util/debug.h"
#include "../util/hist.h"
-#include "../util/util.h"
#include "../util/sort.h"
#include "../util/evsel.h"
#include "../util/evlist.h"
// SPDX-License-Identifier: GPL-2.0
#include <pthread.h>
#include <dlfcn.h>
+#include <unistd.h>
#include <subcmd/pager.h>
#include "../util/debug.h"
#include "../util/hist.h"
-#include "../util/util.h"
#include "ui.h"
pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
#include "../../util/callchain.h"
#include "../../util/debug.h"
+#include "../../util/event.h"
#include "../../util/hist.h"
#include "../../util/map.h"
#include "../../util/map_groups.h"
#include <linux/kernel.h>
#include <linux/string.h>
-#include "../../util/debug.h"
#include "../helpline.h"
#include "../ui.h"
#include "../libslang.h"
#include <signal.h>
#include <stdbool.h>
#include <stdlib.h>
+#include <unistd.h>
#include <linux/kernel.h>
#ifdef HAVE_BACKTRACE_SUPPORT
#include <execinfo.h>
#endif
#include "../../util/debug.h"
-#include "../../util/util.h"
#include "../../perf.h"
#include "../browser.h"
#include "../helpline.h"
#include <stdlib.h>
#include <sys/ttydefaults.h>
-#include "../../util/debug.h"
#include "../browser.h"
#include "../keysyms.h"
#include "../helpline.h"
perf-y += record.o
perf-y += srcline.o
perf-y += srccode.o
+perf-y += synthetic-events.o
perf-y += data.o
perf-y += tsc.o
perf-y += cloexec.o
#include <bpf/btf.h>
#include <bpf/libbpf.h>
#include <linux/btf.h>
-#include "util.h"
+#include "util.h" // hex_width()
#include "ui/ui.h"
#include "sort.h"
#include "build-id.h"
#include <linux/log2.h>
#include <linux/zalloc.h>
-#include "cpumap.h"
#include "color.h"
#include "evsel.h"
#include "machine.h"
#include "map.h"
#include "pmu.h"
#include "evsel.h"
-#include "cpumap.h"
#include "symbol.h"
+#include "util/synthetic-events.h"
#include "thread_map.h"
#include "asm/bug.h"
#include "auxtrace.h"
#include "intel-bts.h"
#include "arm-spe.h"
#include "s390-cpumsf.h"
-#include "util.h"
+#include "util.h" // page_size
#include <linux/ctype.h>
+#include <linux/kernel.h>
#include "symbol/kallsyms.h"
+#include <internal/lib.h>
static bool auxtrace__dont_decode(struct perf_session *session)
{
#include <errno.h>
#include <stdbool.h>
#include <stddef.h>
+#include <stdio.h> // FILE
#include <linux/list.h>
#include <linux/perf_event.h>
#include <linux/types.h>
#include <asm/bitsperlong.h>
#include <asm/barrier.h>
-#include "event.h"
-
union perf_event;
struct perf_session;
struct evlist;
struct perf_tool;
struct perf_mmap;
+struct perf_sample;
struct option;
struct record_opts;
+struct perf_record_auxtrace_error;
struct perf_record_auxtrace_info;
struct events_stats;
int code, int cpu, pid_t pid, pid_t tid, u64 ip,
const char *msg, u64 timestamp);
-int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr,
- struct perf_tool *tool,
- struct perf_session *session,
- perf_event__handler_t process);
int perf_event__process_auxtrace_info(struct perf_session *session,
union perf_event *event);
s64 perf_event__process_auxtrace(struct perf_session *session,
{
}
-static inline int
-perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
- struct perf_tool *tool __maybe_unused,
- struct perf_session *session __maybe_unused,
- perf_event__handler_t process __maybe_unused)
-{
- return -EINVAL;
-}
-
static inline
int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused,
struct evlist *evlist __maybe_unused,
#include "map.h"
#include "evlist.h"
#include "record.h"
+#include "util/synthetic-events.h"
#define ptr_to_u64(ptr) ((__u64)(unsigned long)(ptr))
#include <linux/rbtree.h>
#include <pthread.h>
#include <api/fd/array.h>
-#include "event.h"
#include <stdio.h>
+struct bpf_prog_info;
struct machine;
union perf_event;
struct perf_env;
#ifdef HAVE_LIBBPF_SUPPORT
int machine__process_bpf(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
-
-int perf_event__synthesize_bpf_events(struct perf_session *session,
- perf_event__handler_t process,
- struct machine *machine,
- struct record_opts *opts);
int bpf_event__add_sb_event(struct evlist **evlist,
struct perf_env *env);
void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
return 0;
}
-static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
- perf_event__handler_t process __maybe_unused,
- struct machine *machine __maybe_unused,
- struct record_opts *opts __maybe_unused)
-{
- return 0;
-}
-
static inline int bpf_event__add_sb_event(struct evlist **evlist __maybe_unused,
struct perf_env *env __maybe_unused)
{
-#include "util/util.h"
-#include "util/debug.h"
#include "util/map_symbol.h"
#include "util/branch.h"
#include <linux/kernel.h>
#ifndef _PERF_BRANCH_H
#define _PERF_BRANCH_H 1
-
+/*
+ * The linux/stddef.h isn't need here, but is needed for __always_inline used
+ * in files included from uapi/linux/perf_event.h such as
+ * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,
+ * detected in at least musl libc, used in Alpine Linux. -acme
+ */
#include <stdio.h>
#include <stdint.h>
+#include <linux/compiler.h>
+#include <linux/stddef.h>
#include <linux/perf_event.h>
#include <linux/types.h>
* Copyright (C) 2009, 2010 Red Hat Inc.
* Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
*/
-#include "util.h"
+#include "util.h" // copyfile_ns(), lsdir(), mkdir_p(), rm_rf()
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include "debug.h"
#include "dso.h"
+#include "event.h"
#include "hist.h"
#include "sort.h"
#include "machine.h"
#include <linux/list.h>
#include <linux/rbtree.h>
-#include "event.h"
#include "map_symbol.h"
#include "branch.h"
+struct addr_location;
struct evsel;
+struct ip_callchain;
struct map;
+struct perf_sample;
+struct thread;
#define HELP_PAD "\t\t\t\t"
// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <sched.h>
-#include "util.h"
+#include "util.h" // for sched_getcpu()
#include "../perf-sys.h"
#include "cloexec.h"
#include "event.h"
#include "cs-etm.h"
#include "cs-etm-decoder.h"
#include "intlist.h"
-#include "util.h"
/* use raw logging */
#ifdef CS_DEBUG_RAW
#include "thread.h"
#include "thread-stack.h"
#include <tools/libc_compat.h>
-#include "util.h"
+#include "util/synthetic-events.h"
#define MAX_TIMESTAMP (~0ULL)
#include <dirent.h>
#include "data.h"
-#include "util.h"
+#include "util.h" // rm_rf_perf_data()
#include "debug.h"
#include "header.h"
+#include <internal/lib.h>
static void close_dir(struct perf_data_file *files, int nr)
{
#include "event.h"
#include "debug.h"
#include "print_binary.h"
-#include "util.h"
#include "target.h"
#include "ui/helpline.h"
#include "ui/ui.h"
#ifndef __PERF_DEBUG_H
#define __PERF_DEBUG_H
+#include <stdarg.h>
#include <stdbool.h>
#include <linux/compiler.h>
-#include "../ui/util.h"
extern int verbose;
extern bool quiet, dump_trace;
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "debug.h"
#include "symbol.h"
#include "demangle-java.h"
// SPDX-License-Identifier: GPL-2.0
#include <string.h>
-#include "util.h"
#include "debug.h"
#include "demangle-rust.h"
* Written by: Masami Hiramatsu <mhiramat@kernel.org>
*/
-#include <util.h>
#include <debug.h>
#include <dwarf-regs.h>
#include <elf.h>
#include <linux/types.h>
#include <linux/rbtree.h>
-#include "cpumap.h"
#include "rwsem.h"
+struct perf_cpu_map;
+
struct cpu_topology_map {
int socket_id;
int die_id;
-#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <perf/cpumap.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
-#include <api/fs/fs.h>
#include <linux/perf_event.h>
#include <linux/zalloc.h>
+#include "cpumap.h"
#include "dso.h"
#include "event.h"
#include "debug.h"
#include "time-utils.h"
#include <linux/ctype.h>
#include "map.h"
+#include "util/namespaces.h"
#include "symbol.h"
#include "symbol/kallsyms.h"
#include "asm/bug.h"
#include "tool.h"
#include "../perf.h"
-#define DEFAULT_PROC_MAP_PARSE_TIMEOUT 500
-
static const char *perf_event__names[] = {
[0] = "TOTAL",
[PERF_RECORD_MMAP] = "MMAP",
[PERF_RECORD_COMPRESSED] = "COMPRESSED",
};
-static const char *perf_ns__names[] = {
- [NET_NS_INDEX] = "net",
- [UTS_NS_INDEX] = "uts",
- [IPC_NS_INDEX] = "ipc",
- [PID_NS_INDEX] = "pid",
- [USER_NS_INDEX] = "user",
- [MNT_NS_INDEX] = "mnt",
- [CGROUP_NS_INDEX] = "cgroup",
-};
-
-unsigned int proc_map_timeout = DEFAULT_PROC_MAP_PARSE_TIMEOUT;
-
const char *perf_event__name(unsigned int id)
{
if (id >= ARRAY_SIZE(perf_event__names))
return perf_event__names[id];
}
-static const char *perf_ns__name(unsigned int id)
-{
- if (id >= ARRAY_SIZE(perf_ns__names))
- return "UNKNOWN";
- return perf_ns__names[id];
-}
-
-int perf_tool__process_synth_event(struct perf_tool *tool,
- union perf_event *event,
- struct machine *machine,
- perf_event__handler_t process)
-{
- struct perf_sample synth_sample = {
- .pid = -1,
- .tid = -1,
- .time = -1,
- .stream_id = -1,
- .cpu = -1,
- .period = 1,
- .cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK,
- };
-
- return process(tool, event, &synth_sample, machine);
-};
-
-/*
- * Assumes that the first 4095 bytes of /proc/pid/stat contains
- * the comm, tgid and ppid.
- */
-static int perf_event__get_comm_ids(pid_t pid, char *comm, size_t len,
- pid_t *tgid, pid_t *ppid)
-{
- char filename[PATH_MAX];
- char bf[4096];
- int fd;
- size_t size = 0;
- ssize_t n;
- char *name, *tgids, *ppids;
-
- *tgid = -1;
- *ppid = -1;
-
- snprintf(filename, sizeof(filename), "/proc/%d/status", pid);
-
- fd = open(filename, O_RDONLY);
- if (fd < 0) {
- pr_debug("couldn't open %s\n", filename);
- return -1;
- }
-
- n = read(fd, bf, sizeof(bf) - 1);
- close(fd);
- if (n <= 0) {
- pr_warning("Couldn't get COMM, tigd and ppid for pid %d\n",
- pid);
- return -1;
- }
- bf[n] = '\0';
-
- name = strstr(bf, "Name:");
- tgids = strstr(bf, "Tgid:");
- ppids = strstr(bf, "PPid:");
-
- if (name) {
- char *nl;
-
- name = skip_spaces(name + 5); /* strlen("Name:") */
- nl = strchr(name, '\n');
- if (nl)
- *nl = '\0';
-
- size = strlen(name);
- if (size >= len)
- size = len - 1;
- memcpy(comm, name, size);
- comm[size] = '\0';
- } else {
- pr_debug("Name: string not found for pid %d\n", pid);
- }
-
- if (tgids) {
- tgids += 5; /* strlen("Tgid:") */
- *tgid = atoi(tgids);
- } else {
- pr_debug("Tgid: string not found for pid %d\n", pid);
- }
-
- if (ppids) {
- ppids += 5; /* strlen("PPid:") */
- *ppid = atoi(ppids);
- } else {
- pr_debug("PPid: string not found for pid %d\n", pid);
- }
-
- return 0;
-}
-
-static int perf_event__prepare_comm(union perf_event *event, pid_t pid,
- struct machine *machine,
- pid_t *tgid, pid_t *ppid)
-{
- size_t size;
-
- *ppid = -1;
-
- memset(&event->comm, 0, sizeof(event->comm));
-
- if (machine__is_host(machine)) {
- if (perf_event__get_comm_ids(pid, event->comm.comm,
- sizeof(event->comm.comm),
- tgid, ppid) != 0) {
- return -1;
- }
- } else {
- *tgid = machine->pid;
- }
-
- if (*tgid < 0)
- return -1;
-
- event->comm.pid = *tgid;
- event->comm.header.type = PERF_RECORD_COMM;
-
- size = strlen(event->comm.comm) + 1;
- size = PERF_ALIGN(size, sizeof(u64));
- memset(event->comm.comm + size, 0, machine->id_hdr_size);
- event->comm.header.size = (sizeof(event->comm) -
- (sizeof(event->comm.comm) - size) +
- machine->id_hdr_size);
- event->comm.tid = pid;
-
- return 0;
-}
-
-pid_t perf_event__synthesize_comm(struct perf_tool *tool,
- union perf_event *event, pid_t pid,
- perf_event__handler_t process,
- struct machine *machine)
-{
- pid_t tgid, ppid;
-
- if (perf_event__prepare_comm(event, pid, machine, &tgid, &ppid) != 0)
- return -1;
-
- if (perf_tool__process_synth_event(tool, event, machine, process) != 0)
- return -1;
-
- return tgid;
-}
-
-static void perf_event__get_ns_link_info(pid_t pid, const char *ns,
- struct perf_ns_link_info *ns_link_info)
-{
- struct stat64 st;
- char proc_ns[128];
-
- sprintf(proc_ns, "/proc/%u/ns/%s", pid, ns);
- if (stat64(proc_ns, &st) == 0) {
- ns_link_info->dev = st.st_dev;
- ns_link_info->ino = st.st_ino;
- }
-}
-
-int perf_event__synthesize_namespaces(struct perf_tool *tool,
- union perf_event *event,
- pid_t pid, pid_t tgid,
- perf_event__handler_t process,
- struct machine *machine)
-{
- u32 idx;
- struct perf_ns_link_info *ns_link_info;
-
- if (!tool || !tool->namespace_events)
- return 0;
-
- memset(&event->namespaces, 0, (sizeof(event->namespaces) +
- (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
- machine->id_hdr_size));
-
- event->namespaces.pid = tgid;
- event->namespaces.tid = pid;
-
- event->namespaces.nr_namespaces = NR_NAMESPACES;
-
- ns_link_info = event->namespaces.link_info;
-
- for (idx = 0; idx < event->namespaces.nr_namespaces; idx++)
- perf_event__get_ns_link_info(pid, perf_ns__name(idx),
- &ns_link_info[idx]);
-
- event->namespaces.header.type = PERF_RECORD_NAMESPACES;
-
- event->namespaces.header.size = (sizeof(event->namespaces) +
- (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
- machine->id_hdr_size);
-
- if (perf_tool__process_synth_event(tool, event, machine, process) != 0)
- return -1;
-
- return 0;
-}
-
-static int perf_event__synthesize_fork(struct perf_tool *tool,
- union perf_event *event,
- pid_t pid, pid_t tgid, pid_t ppid,
- perf_event__handler_t process,
- struct machine *machine)
-{
- memset(&event->fork, 0, sizeof(event->fork) + machine->id_hdr_size);
-
- /*
- * for main thread set parent to ppid from status file. For other
- * threads set parent pid to main thread. ie., assume main thread
- * spawns all threads in a process
- */
- if (tgid == pid) {
- event->fork.ppid = ppid;
- event->fork.ptid = ppid;
- } else {
- event->fork.ppid = tgid;
- event->fork.ptid = tgid;
- }
- event->fork.pid = tgid;
- event->fork.tid = pid;
- event->fork.header.type = PERF_RECORD_FORK;
- event->fork.header.misc = PERF_RECORD_MISC_FORK_EXEC;
-
- event->fork.header.size = (sizeof(event->fork) + machine->id_hdr_size);
-
- if (perf_tool__process_synth_event(tool, event, machine, process) != 0)
- return -1;
-
- return 0;
-}
-
-int perf_event__synthesize_mmap_events(struct perf_tool *tool,
- union perf_event *event,
- pid_t pid, pid_t tgid,
- perf_event__handler_t process,
- struct machine *machine,
- bool mmap_data)
-{
- char filename[PATH_MAX];
- FILE *fp;
- unsigned long long t;
- bool truncation = false;
- unsigned long long timeout = proc_map_timeout * 1000000ULL;
- int rc = 0;
- const char *hugetlbfs_mnt = hugetlbfs__mountpoint();
- int hugetlbfs_mnt_len = hugetlbfs_mnt ? strlen(hugetlbfs_mnt) : 0;
-
- if (machine__is_default_guest(machine))
- return 0;
-
- snprintf(filename, sizeof(filename), "%s/proc/%d/task/%d/maps",
- machine->root_dir, pid, pid);
-
- fp = fopen(filename, "r");
- if (fp == NULL) {
- /*
- * We raced with a task exiting - just return:
- */
- pr_debug("couldn't open %s\n", filename);
- return -1;
- }
-
- event->header.type = PERF_RECORD_MMAP2;
- t = rdclock();
-
- while (1) {
- char bf[BUFSIZ];
- char prot[5];
- char execname[PATH_MAX];
- char anonstr[] = "//anon";
- unsigned int ino;
- size_t size;
- ssize_t n;
-
- if (fgets(bf, sizeof(bf), fp) == NULL)
- break;
-
- if ((rdclock() - t) > timeout) {
- pr_warning("Reading %s time out. "
- "You may want to increase "
- "the time limit by --proc-map-timeout\n",
- filename);
- truncation = true;
- goto out;
- }
-
- /* ensure null termination since stack will be reused. */
- strcpy(execname, "");
-
- /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
- n = sscanf(bf, "%"PRI_lx64"-%"PRI_lx64" %s %"PRI_lx64" %x:%x %u %[^\n]\n",
- &event->mmap2.start, &event->mmap2.len, prot,
- &event->mmap2.pgoff, &event->mmap2.maj,
- &event->mmap2.min,
- &ino, execname);
-
- /*
- * Anon maps don't have the execname.
- */
- if (n < 7)
- continue;
-
- event->mmap2.ino = (u64)ino;
-
- /*
- * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
- */
- if (machine__is_host(machine))
- event->header.misc = PERF_RECORD_MISC_USER;
- else
- event->header.misc = PERF_RECORD_MISC_GUEST_USER;
-
- /* map protection and flags bits */
- event->mmap2.prot = 0;
- event->mmap2.flags = 0;
- if (prot[0] == 'r')
- event->mmap2.prot |= PROT_READ;
- if (prot[1] == 'w')
- event->mmap2.prot |= PROT_WRITE;
- if (prot[2] == 'x')
- event->mmap2.prot |= PROT_EXEC;
-
- if (prot[3] == 's')
- event->mmap2.flags |= MAP_SHARED;
- else
- event->mmap2.flags |= MAP_PRIVATE;
-
- if (prot[2] != 'x') {
- if (!mmap_data || prot[0] != 'r')
- continue;
-
- event->header.misc |= PERF_RECORD_MISC_MMAP_DATA;
- }
-
-out:
- if (truncation)
- event->header.misc |= PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT;
-
- if (!strcmp(execname, ""))
- strcpy(execname, anonstr);
-
- if (hugetlbfs_mnt_len &&
- !strncmp(execname, hugetlbfs_mnt, hugetlbfs_mnt_len)) {
- strcpy(execname, anonstr);
- event->mmap2.flags |= MAP_HUGETLB;
- }
-
- size = strlen(execname) + 1;
- memcpy(event->mmap2.filename, execname, size);
- size = PERF_ALIGN(size, sizeof(u64));
- event->mmap2.len -= event->mmap.start;
- event->mmap2.header.size = (sizeof(event->mmap2) -
- (sizeof(event->mmap2.filename) - size));
- memset(event->mmap2.filename + size, 0, machine->id_hdr_size);
- event->mmap2.header.size += machine->id_hdr_size;
- event->mmap2.pid = tgid;
- event->mmap2.tid = pid;
-
- if (perf_tool__process_synth_event(tool, event, machine, process) != 0) {
- rc = -1;
- break;
- }
-
- if (truncation)
- break;
- }
-
- fclose(fp);
- return rc;
-}
-
-int perf_event__synthesize_modules(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine)
-{
- int rc = 0;
- struct map *pos;
- struct maps *maps = machine__kernel_maps(machine);
- union perf_event *event = zalloc((sizeof(event->mmap) +
- machine->id_hdr_size));
- if (event == NULL) {
- pr_debug("Not enough memory synthesizing mmap event "
- "for kernel modules\n");
- return -1;
- }
-
- event->header.type = PERF_RECORD_MMAP;
-
- /*
- * kernel uses 0 for user space maps, see kernel/perf_event.c
- * __perf_event_mmap
- */
- if (machine__is_host(machine))
- event->header.misc = PERF_RECORD_MISC_KERNEL;
- else
- event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
-
- for (pos = maps__first(maps); pos; pos = map__next(pos)) {
- size_t size;
-
- if (!__map__is_kmodule(pos))
- continue;
-
- size = PERF_ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
- event->mmap.header.type = PERF_RECORD_MMAP;
- event->mmap.header.size = (sizeof(event->mmap) -
- (sizeof(event->mmap.filename) - size));
- memset(event->mmap.filename + size, 0, machine->id_hdr_size);
- event->mmap.header.size += machine->id_hdr_size;
- event->mmap.start = pos->start;
- event->mmap.len = pos->end - pos->start;
- event->mmap.pid = machine->pid;
-
- memcpy(event->mmap.filename, pos->dso->long_name,
- pos->dso->long_name_len + 1);
- if (perf_tool__process_synth_event(tool, event, machine, process) != 0) {
- rc = -1;
- break;
- }
- }
-
- free(event);
- return rc;
-}
-
-static int __event__synthesize_thread(union perf_event *comm_event,
- union perf_event *mmap_event,
- union perf_event *fork_event,
- union perf_event *namespaces_event,
- pid_t pid, int full,
- perf_event__handler_t process,
- struct perf_tool *tool,
- struct machine *machine,
- bool mmap_data)
-{
- char filename[PATH_MAX];
- DIR *tasks;
- struct dirent *dirent;
- pid_t tgid, ppid;
- int rc = 0;
-
- /* special case: only send one comm event using passed in pid */
- if (!full) {
- tgid = perf_event__synthesize_comm(tool, comm_event, pid,
- process, machine);
-
- if (tgid == -1)
- return -1;
-
- if (perf_event__synthesize_namespaces(tool, namespaces_event, pid,
- tgid, process, machine) < 0)
- return -1;
-
- /*
- * send mmap only for thread group leader
- * see thread__init_map_groups
- */
- if (pid == tgid &&
- perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
- process, machine, mmap_data))
- return -1;
-
- return 0;
- }
-
- if (machine__is_default_guest(machine))
- return 0;
-
- snprintf(filename, sizeof(filename), "%s/proc/%d/task",
- machine->root_dir, pid);
-
- tasks = opendir(filename);
- if (tasks == NULL) {
- pr_debug("couldn't open %s\n", filename);
- return 0;
- }
-
- while ((dirent = readdir(tasks)) != NULL) {
- char *end;
- pid_t _pid;
-
- _pid = strtol(dirent->d_name, &end, 10);
- if (*end)
- continue;
-
- rc = -1;
- if (perf_event__prepare_comm(comm_event, _pid, machine,
- &tgid, &ppid) != 0)
- break;
-
- if (perf_event__synthesize_fork(tool, fork_event, _pid, tgid,
- ppid, process, machine) < 0)
- break;
-
- if (perf_event__synthesize_namespaces(tool, namespaces_event, _pid,
- tgid, process, machine) < 0)
- break;
-
- /*
- * Send the prepared comm event
- */
- if (perf_tool__process_synth_event(tool, comm_event, machine, process) != 0)
- break;
-
- rc = 0;
- if (_pid == pid) {
- /* process the parent's maps too */
- rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
- process, machine, mmap_data);
- if (rc)
- break;
- }
- }
-
- closedir(tasks);
- return rc;
-}
-
-int perf_event__synthesize_thread_map(struct perf_tool *tool,
- struct perf_thread_map *threads,
- perf_event__handler_t process,
- struct machine *machine,
- bool mmap_data)
-{
- union perf_event *comm_event, *mmap_event, *fork_event;
- union perf_event *namespaces_event;
- int err = -1, thread, j;
-
- comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size);
- if (comm_event == NULL)
- goto out;
-
- mmap_event = malloc(sizeof(mmap_event->mmap2) + machine->id_hdr_size);
- if (mmap_event == NULL)
- goto out_free_comm;
-
- fork_event = malloc(sizeof(fork_event->fork) + machine->id_hdr_size);
- if (fork_event == NULL)
- goto out_free_mmap;
-
- namespaces_event = malloc(sizeof(namespaces_event->namespaces) +
- (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
- machine->id_hdr_size);
- if (namespaces_event == NULL)
- goto out_free_fork;
-
- err = 0;
- for (thread = 0; thread < threads->nr; ++thread) {
- if (__event__synthesize_thread(comm_event, mmap_event,
- fork_event, namespaces_event,
- perf_thread_map__pid(threads, thread), 0,
- process, tool, machine,
- mmap_data)) {
- err = -1;
- break;
- }
-
- /*
- * comm.pid is set to thread group id by
- * perf_event__synthesize_comm
- */
- if ((int) comm_event->comm.pid != perf_thread_map__pid(threads, thread)) {
- bool need_leader = true;
-
- /* is thread group leader in thread_map? */
- for (j = 0; j < threads->nr; ++j) {
- if ((int) comm_event->comm.pid == perf_thread_map__pid(threads, j)) {
- need_leader = false;
- break;
- }
- }
-
- /* if not, generate events for it */
- if (need_leader &&
- __event__synthesize_thread(comm_event, mmap_event,
- fork_event, namespaces_event,
- comm_event->comm.pid, 0,
- process, tool, machine,
- mmap_data)) {
- err = -1;
- break;
- }
- }
- }
- free(namespaces_event);
-out_free_fork:
- free(fork_event);
-out_free_mmap:
- free(mmap_event);
-out_free_comm:
- free(comm_event);
-out:
- return err;
-}
-
-static int __perf_event__synthesize_threads(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine,
- bool mmap_data,
- struct dirent **dirent,
- int start,
- int num)
-{
- union perf_event *comm_event, *mmap_event, *fork_event;
- union perf_event *namespaces_event;
- int err = -1;
- char *end;
- pid_t pid;
- int i;
-
- comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size);
- if (comm_event == NULL)
- goto out;
-
- mmap_event = malloc(sizeof(mmap_event->mmap2) + machine->id_hdr_size);
- if (mmap_event == NULL)
- goto out_free_comm;
-
- fork_event = malloc(sizeof(fork_event->fork) + machine->id_hdr_size);
- if (fork_event == NULL)
- goto out_free_mmap;
-
- namespaces_event = malloc(sizeof(namespaces_event->namespaces) +
- (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
- machine->id_hdr_size);
- if (namespaces_event == NULL)
- goto out_free_fork;
-
- for (i = start; i < start + num; i++) {
- if (!isdigit(dirent[i]->d_name[0]))
- continue;
-
- pid = (pid_t)strtol(dirent[i]->d_name, &end, 10);
- /* only interested in proper numerical dirents */
- if (*end)
- continue;
- /*
- * We may race with exiting thread, so don't stop just because
- * one thread couldn't be synthesized.
- */
- __event__synthesize_thread(comm_event, mmap_event, fork_event,
- namespaces_event, pid, 1, process,
- tool, machine, mmap_data);
- }
- err = 0;
-
- free(namespaces_event);
-out_free_fork:
- free(fork_event);
-out_free_mmap:
- free(mmap_event);
-out_free_comm:
- free(comm_event);
-out:
- return err;
-}
-
-struct synthesize_threads_arg {
- struct perf_tool *tool;
- perf_event__handler_t process;
- struct machine *machine;
- bool mmap_data;
- struct dirent **dirent;
- int num;
- int start;
-};
-
-static void *synthesize_threads_worker(void *arg)
-{
- struct synthesize_threads_arg *args = arg;
-
- __perf_event__synthesize_threads(args->tool, args->process,
- args->machine, args->mmap_data,
- args->dirent,
- args->start, args->num);
- return NULL;
-}
-
-int perf_event__synthesize_threads(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine,
- bool mmap_data,
- unsigned int nr_threads_synthesize)
-{
- struct synthesize_threads_arg *args = NULL;
- pthread_t *synthesize_threads = NULL;
- char proc_path[PATH_MAX];
- struct dirent **dirent;
- int num_per_thread;
- int m, n, i, j;
- int thread_nr;
- int base = 0;
- int err = -1;
-
-
- if (machine__is_default_guest(machine))
- return 0;
-
- snprintf(proc_path, sizeof(proc_path), "%s/proc", machine->root_dir);
- n = scandir(proc_path, &dirent, 0, alphasort);
- if (n < 0)
- return err;
-
- if (nr_threads_synthesize == UINT_MAX)
- thread_nr = sysconf(_SC_NPROCESSORS_ONLN);
- else
- thread_nr = nr_threads_synthesize;
-
- if (thread_nr <= 1) {
- err = __perf_event__synthesize_threads(tool, process,
- machine, mmap_data,
- dirent, base, n);
- goto free_dirent;
- }
- if (thread_nr > n)
- thread_nr = n;
-
- synthesize_threads = calloc(sizeof(pthread_t), thread_nr);
- if (synthesize_threads == NULL)
- goto free_dirent;
-
- args = calloc(sizeof(*args), thread_nr);
- if (args == NULL)
- goto free_threads;
-
- num_per_thread = n / thread_nr;
- m = n % thread_nr;
- for (i = 0; i < thread_nr; i++) {
- args[i].tool = tool;
- args[i].process = process;
- args[i].machine = machine;
- args[i].mmap_data = mmap_data;
- args[i].dirent = dirent;
- }
- for (i = 0; i < m; i++) {
- args[i].num = num_per_thread + 1;
- args[i].start = i * args[i].num;
- }
- if (i != 0)
- base = args[i-1].start + args[i-1].num;
- for (j = i; j < thread_nr; j++) {
- args[j].num = num_per_thread;
- args[j].start = base + (j - i) * args[i].num;
- }
-
- for (i = 0; i < thread_nr; i++) {
- if (pthread_create(&synthesize_threads[i], NULL,
- synthesize_threads_worker, &args[i]))
- goto out_join;
- }
- err = 0;
-out_join:
- for (i = 0; i < thread_nr; i++)
- pthread_join(synthesize_threads[i], NULL);
- free(args);
-free_threads:
- free(synthesize_threads);
-free_dirent:
- for (i = 0; i < n; i++)
- zfree(&dirent[i]);
- free(dirent);
-
- return err;
-}
-
struct process_symbol_args {
const char *name;
u64 start;
return 0;
}
-int __weak perf_event__synthesize_extra_kmaps(struct perf_tool *tool __maybe_unused,
- perf_event__handler_t process __maybe_unused,
- struct machine *machine __maybe_unused)
-{
- return 0;
-}
-
-static int __perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine)
-{
- size_t size;
- struct map *map = machine__kernel_map(machine);
- struct kmap *kmap;
- int err;
- union perf_event *event;
-
- if (map == NULL)
- return -1;
-
- kmap = map__kmap(map);
- if (!kmap->ref_reloc_sym)
- return -1;
-
- /*
- * We should get this from /sys/kernel/sections/.text, but till that is
- * available use this, and after it is use this as a fallback for older
- * kernels.
- */
- event = zalloc((sizeof(event->mmap) + machine->id_hdr_size));
- if (event == NULL) {
- pr_debug("Not enough memory synthesizing mmap event "
- "for kernel modules\n");
- return -1;
- }
-
- if (machine__is_host(machine)) {
- /*
- * kernel uses PERF_RECORD_MISC_USER for user space maps,
- * see kernel/perf_event.c __perf_event_mmap
- */
- event->header.misc = PERF_RECORD_MISC_KERNEL;
- } else {
- event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
- }
-
- size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
- "%s%s", machine->mmap_name, kmap->ref_reloc_sym->name) + 1;
- size = PERF_ALIGN(size, sizeof(u64));
- event->mmap.header.type = PERF_RECORD_MMAP;
- event->mmap.header.size = (sizeof(event->mmap) -
- (sizeof(event->mmap.filename) - size) + machine->id_hdr_size);
- event->mmap.pgoff = kmap->ref_reloc_sym->addr;
- event->mmap.start = map->start;
- event->mmap.len = map->end - event->mmap.start;
- event->mmap.pid = machine->pid;
-
- err = perf_tool__process_synth_event(tool, event, machine, process);
- free(event);
-
- return err;
-}
-
-int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine)
-{
- int err;
-
- err = __perf_event__synthesize_kernel_mmap(tool, process, machine);
- if (err < 0)
- return err;
-
- return perf_event__synthesize_extra_kmaps(tool, process, machine);
-}
-
-int perf_event__synthesize_thread_map2(struct perf_tool *tool,
- struct perf_thread_map *threads,
- perf_event__handler_t process,
- struct machine *machine)
-{
- union perf_event *event;
- int i, err, size;
-
- size = sizeof(event->thread_map);
- size += threads->nr * sizeof(event->thread_map.entries[0]);
-
- event = zalloc(size);
- if (!event)
- return -ENOMEM;
-
- event->header.type = PERF_RECORD_THREAD_MAP;
- event->header.size = size;
- event->thread_map.nr = threads->nr;
-
- for (i = 0; i < threads->nr; i++) {
- struct perf_record_thread_map_entry *entry = &event->thread_map.entries[i];
- char *comm = perf_thread_map__comm(threads, i);
-
- if (!comm)
- comm = (char *) "";
-
- entry->pid = perf_thread_map__pid(threads, i);
- strncpy((char *) &entry->comm, comm, sizeof(entry->comm));
- }
-
- err = process(tool, event, NULL, machine);
-
- free(event);
- return err;
-}
-
-static void synthesize_cpus(struct cpu_map_entries *cpus,
- struct perf_cpu_map *map)
-{
- int i;
-
- cpus->nr = map->nr;
-
- for (i = 0; i < map->nr; i++)
- cpus->cpu[i] = map->map[i];
-}
-
-static void synthesize_mask(struct perf_record_record_cpu_map *mask,
- struct perf_cpu_map *map, int max)
-{
- int i;
-
- mask->nr = BITS_TO_LONGS(max);
- mask->long_size = sizeof(long);
-
- for (i = 0; i < map->nr; i++)
- set_bit(map->map[i], mask->mask);
-}
-
-static size_t cpus_size(struct perf_cpu_map *map)
-{
- return sizeof(struct cpu_map_entries) + map->nr * sizeof(u16);
-}
-
-static size_t mask_size(struct perf_cpu_map *map, int *max)
-{
- int i;
-
- *max = 0;
-
- for (i = 0; i < map->nr; i++) {
- /* bit possition of the cpu is + 1 */
- int bit = map->map[i] + 1;
-
- if (bit > *max)
- *max = bit;
- }
-
- return sizeof(struct perf_record_record_cpu_map) + BITS_TO_LONGS(*max) * sizeof(long);
-}
-
-void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max)
-{
- size_t size_cpus, size_mask;
- bool is_dummy = perf_cpu_map__empty(map);
-
- /*
- * Both array and mask data have variable size based
- * on the number of cpus and their actual values.
- * The size of the 'struct perf_record_cpu_map_data' is:
- *
- * array = size of 'struct cpu_map_entries' +
- * number of cpus * sizeof(u64)
- *
- * mask = size of 'struct perf_record_record_cpu_map' +
- * maximum cpu bit converted to size of longs
- *
- * and finaly + the size of 'struct perf_record_cpu_map_data'.
- */
- size_cpus = cpus_size(map);
- size_mask = mask_size(map, max);
-
- if (is_dummy || (size_cpus < size_mask)) {
- *size += size_cpus;
- *type = PERF_CPU_MAP__CPUS;
- } else {
- *size += size_mask;
- *type = PERF_CPU_MAP__MASK;
- }
-
- *size += sizeof(struct perf_record_cpu_map_data);
- *size = PERF_ALIGN(*size, sizeof(u64));
- return zalloc(*size);
-}
-
-void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
- u16 type, int max)
-{
- data->type = type;
-
- switch (type) {
- case PERF_CPU_MAP__CPUS:
- synthesize_cpus((struct cpu_map_entries *) data->data, map);
- break;
- case PERF_CPU_MAP__MASK:
- synthesize_mask((struct perf_record_record_cpu_map *)data->data, map, max);
- default:
- break;
- };
-}
-
-static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
-{
- size_t size = sizeof(struct perf_record_cpu_map);
- struct perf_record_cpu_map *event;
- int max;
- u16 type;
-
- event = cpu_map_data__alloc(map, &size, &type, &max);
- if (!event)
- return NULL;
-
- event->header.type = PERF_RECORD_CPU_MAP;
- event->header.size = size;
- event->data.type = type;
-
- cpu_map_data__synthesize(&event->data, map, type, max);
- return event;
-}
-
-int perf_event__synthesize_cpu_map(struct perf_tool *tool,
- struct perf_cpu_map *map,
- perf_event__handler_t process,
- struct machine *machine)
-{
- struct perf_record_cpu_map *event;
- int err;
-
- event = cpu_map_event__new(map);
- if (!event)
- return -ENOMEM;
-
- err = process(tool, (union perf_event *) event, NULL, machine);
-
- free(event);
- return err;
-}
-
-int perf_event__synthesize_stat_config(struct perf_tool *tool,
- struct perf_stat_config *config,
- perf_event__handler_t process,
- struct machine *machine)
-{
- struct perf_record_stat_config *event;
- int size, i = 0, err;
-
- size = sizeof(*event);
- size += (PERF_STAT_CONFIG_TERM__MAX * sizeof(event->data[0]));
-
- event = zalloc(size);
- if (!event)
- return -ENOMEM;
-
- event->header.type = PERF_RECORD_STAT_CONFIG;
- event->header.size = size;
- event->nr = PERF_STAT_CONFIG_TERM__MAX;
-
-#define ADD(__term, __val) \
- event->data[i].tag = PERF_STAT_CONFIG_TERM__##__term; \
- event->data[i].val = __val; \
- i++;
-
- ADD(AGGR_MODE, config->aggr_mode)
- ADD(INTERVAL, config->interval)
- ADD(SCALE, config->scale)
-
- WARN_ONCE(i != PERF_STAT_CONFIG_TERM__MAX,
- "stat config terms unbalanced\n");
-#undef ADD
-
- err = process(tool, (union perf_event *) event, NULL, machine);
-
- free(event);
- return err;
-}
-
-int perf_event__synthesize_stat(struct perf_tool *tool,
- u32 cpu, u32 thread, u64 id,
- struct perf_counts_values *count,
- perf_event__handler_t process,
- struct machine *machine)
-{
- struct perf_record_stat event;
-
- event.header.type = PERF_RECORD_STAT;
- event.header.size = sizeof(event);
- event.header.misc = 0;
-
- event.id = id;
- event.cpu = cpu;
- event.thread = thread;
- event.val = count->val;
- event.ena = count->ena;
- event.run = count->run;
-
- return process(tool, (union perf_event *) &event, NULL, machine);
-}
-
-int perf_event__synthesize_stat_round(struct perf_tool *tool,
- u64 evtime, u64 type,
- perf_event__handler_t process,
- struct machine *machine)
-{
- struct perf_record_stat_round event;
-
- event.header.type = PERF_RECORD_STAT_ROUND;
- event.header.size = sizeof(event);
- event.header.misc = 0;
-
- event.time = evtime;
- event.type = type;
-
- return process(tool, (union perf_event *) &event, NULL, machine);
-}
-
void perf_event__read_stat_config(struct perf_stat_config *config,
struct perf_record_stat_config *event)
{
void perf_event__print_totals(void);
-struct perf_tool;
-struct perf_thread_map;
struct perf_cpu_map;
+struct perf_record_stat_config;
struct perf_stat_config;
-struct perf_counts_values;
-
-typedef int (*perf_event__handler_t)(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine);
+struct perf_tool;
-int perf_event__synthesize_thread_map(struct perf_tool *tool,
- struct perf_thread_map *threads,
- perf_event__handler_t process,
- struct machine *machine, bool mmap_data);
-int perf_event__synthesize_thread_map2(struct perf_tool *tool,
- struct perf_thread_map *threads,
- perf_event__handler_t process,
- struct machine *machine);
-int perf_event__synthesize_cpu_map(struct perf_tool *tool,
- struct perf_cpu_map *cpus,
- perf_event__handler_t process,
- struct machine *machine);
-int perf_event__synthesize_threads(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine, bool mmap_data,
- unsigned int nr_threads_synthesize);
-int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine);
-int perf_event__synthesize_stat_config(struct perf_tool *tool,
- struct perf_stat_config *config,
- perf_event__handler_t process,
- struct machine *machine);
void perf_event__read_stat_config(struct perf_stat_config *config,
struct perf_record_stat_config *event);
-int perf_event__synthesize_stat(struct perf_tool *tool,
- u32 cpu, u32 thread, u64 id,
- struct perf_counts_values *count,
- perf_event__handler_t process,
- struct machine *machine);
-int perf_event__synthesize_stat_round(struct perf_tool *tool,
- u64 time, u64 type,
- perf_event__handler_t process,
- struct machine *machine);
-int perf_event__synthesize_modules(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine);
int perf_event__process_comm(struct perf_tool *tool,
union perf_event *event,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine);
-int perf_tool__process_synth_event(struct perf_tool *tool,
- union perf_event *event,
- struct machine *machine,
- perf_event__handler_t process);
int perf_event__process(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
const char *perf_event__name(unsigned int id);
-size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
- u64 read_format);
-int perf_event__synthesize_sample(union perf_event *event, u64 type,
- u64 read_format,
- const struct perf_sample *sample);
-
-pid_t perf_event__synthesize_comm(struct perf_tool *tool,
- union perf_event *event, pid_t pid,
- perf_event__handler_t process,
- struct machine *machine);
-
-int perf_event__synthesize_namespaces(struct perf_tool *tool,
- union perf_event *event,
- pid_t pid, pid_t tgid,
- perf_event__handler_t process,
- struct machine *machine);
-
-int perf_event__synthesize_mmap_events(struct perf_tool *tool,
- union perf_event *event,
- pid_t pid, pid_t tgid,
- perf_event__handler_t process,
- struct machine *machine,
- bool mmap_data);
-
-int perf_event__synthesize_extra_kmaps(struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine);
-
size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
#include "evsel.h"
#include "debug.h"
#include "units.h"
-#include "util.h"
+#include "util.h" // page_size
#include "../perf.h"
#include "asm/bug.h"
#include "bpf-event.h"
#include "event.h"
#include "evsel.h"
#include "evlist.h"
-#include "cpumap.h"
+#include <perf/cpumap.h>
#include "thread_map.h"
#include "target.h"
#include "perf_regs.h"
#include "../perf-sys.h"
#include "util/parse-branch-options.h"
#include <internal/xyarray.h>
+#include <internal/lib.h>
#include <linux/ctype.h>
return 0;
}
-size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
- u64 read_format)
-{
- size_t sz, result = sizeof(struct perf_record_sample);
-
- if (type & PERF_SAMPLE_IDENTIFIER)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_IP)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_TID)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_TIME)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_ADDR)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_ID)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_STREAM_ID)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_CPU)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_PERIOD)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_READ) {
- result += sizeof(u64);
- if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
- result += sizeof(u64);
- if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
- result += sizeof(u64);
- /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
- if (read_format & PERF_FORMAT_GROUP) {
- sz = sample->read.group.nr *
- sizeof(struct sample_read_value);
- result += sz;
- } else {
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_CALLCHAIN) {
- sz = (sample->callchain->nr + 1) * sizeof(u64);
- result += sz;
- }
-
- if (type & PERF_SAMPLE_RAW) {
- result += sizeof(u32);
- result += sample->raw_size;
- }
-
- if (type & PERF_SAMPLE_BRANCH_STACK) {
- sz = sample->branch_stack->nr * sizeof(struct branch_entry);
- sz += sizeof(u64);
- result += sz;
- }
-
- if (type & PERF_SAMPLE_REGS_USER) {
- if (sample->user_regs.abi) {
- result += sizeof(u64);
- sz = hweight64(sample->user_regs.mask) * sizeof(u64);
- result += sz;
- } else {
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_STACK_USER) {
- sz = sample->user_stack.size;
- result += sizeof(u64);
- if (sz) {
- result += sz;
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_WEIGHT)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_DATA_SRC)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_TRANSACTION)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_REGS_INTR) {
- if (sample->intr_regs.abi) {
- result += sizeof(u64);
- sz = hweight64(sample->intr_regs.mask) * sizeof(u64);
- result += sz;
- } else {
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_PHYS_ADDR)
- result += sizeof(u64);
-
- return result;
-}
-
-int perf_event__synthesize_sample(union perf_event *event, u64 type,
- u64 read_format,
- const struct perf_sample *sample)
-{
- __u64 *array;
- size_t sz;
- /*
- * used for cross-endian analysis. See git commit 65014ab3
- * for why this goofiness is needed.
- */
- union u64_swap u;
-
- array = event->sample.array;
-
- if (type & PERF_SAMPLE_IDENTIFIER) {
- *array = sample->id;
- array++;
- }
-
- if (type & PERF_SAMPLE_IP) {
- *array = sample->ip;
- array++;
- }
-
- if (type & PERF_SAMPLE_TID) {
- u.val32[0] = sample->pid;
- u.val32[1] = sample->tid;
- *array = u.val64;
- array++;
- }
-
- if (type & PERF_SAMPLE_TIME) {
- *array = sample->time;
- array++;
- }
-
- if (type & PERF_SAMPLE_ADDR) {
- *array = sample->addr;
- array++;
- }
-
- if (type & PERF_SAMPLE_ID) {
- *array = sample->id;
- array++;
- }
-
- if (type & PERF_SAMPLE_STREAM_ID) {
- *array = sample->stream_id;
- array++;
- }
-
- if (type & PERF_SAMPLE_CPU) {
- u.val32[0] = sample->cpu;
- u.val32[1] = 0;
- *array = u.val64;
- array++;
- }
-
- if (type & PERF_SAMPLE_PERIOD) {
- *array = sample->period;
- array++;
- }
-
- if (type & PERF_SAMPLE_READ) {
- if (read_format & PERF_FORMAT_GROUP)
- *array = sample->read.group.nr;
- else
- *array = sample->read.one.value;
- array++;
-
- if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
- *array = sample->read.time_enabled;
- array++;
- }
-
- if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
- *array = sample->read.time_running;
- array++;
- }
-
- /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
- if (read_format & PERF_FORMAT_GROUP) {
- sz = sample->read.group.nr *
- sizeof(struct sample_read_value);
- memcpy(array, sample->read.group.values, sz);
- array = (void *)array + sz;
- } else {
- *array = sample->read.one.id;
- array++;
- }
- }
-
- if (type & PERF_SAMPLE_CALLCHAIN) {
- sz = (sample->callchain->nr + 1) * sizeof(u64);
- memcpy(array, sample->callchain, sz);
- array = (void *)array + sz;
- }
-
- if (type & PERF_SAMPLE_RAW) {
- u.val32[0] = sample->raw_size;
- *array = u.val64;
- array = (void *)array + sizeof(u32);
-
- memcpy(array, sample->raw_data, sample->raw_size);
- array = (void *)array + sample->raw_size;
- }
-
- if (type & PERF_SAMPLE_BRANCH_STACK) {
- sz = sample->branch_stack->nr * sizeof(struct branch_entry);
- sz += sizeof(u64);
- memcpy(array, sample->branch_stack, sz);
- array = (void *)array + sz;
- }
-
- if (type & PERF_SAMPLE_REGS_USER) {
- if (sample->user_regs.abi) {
- *array++ = sample->user_regs.abi;
- sz = hweight64(sample->user_regs.mask) * sizeof(u64);
- memcpy(array, sample->user_regs.regs, sz);
- array = (void *)array + sz;
- } else {
- *array++ = 0;
- }
- }
-
- if (type & PERF_SAMPLE_STACK_USER) {
- sz = sample->user_stack.size;
- *array++ = sz;
- if (sz) {
- memcpy(array, sample->user_stack.data, sz);
- array = (void *)array + sz;
- *array++ = sz;
- }
- }
-
- if (type & PERF_SAMPLE_WEIGHT) {
- *array = sample->weight;
- array++;
- }
-
- if (type & PERF_SAMPLE_DATA_SRC) {
- *array = sample->data_src;
- array++;
- }
-
- if (type & PERF_SAMPLE_TRANSACTION) {
- *array = sample->transaction;
- array++;
- }
-
- if (type & PERF_SAMPLE_REGS_INTR) {
- if (sample->intr_regs.abi) {
- *array++ = sample->intr_regs.abi;
- sz = hweight64(sample->intr_regs.mask) * sizeof(u64);
- memcpy(array, sample->intr_regs.regs, sz);
- array = (void *)array + sz;
- } else {
- *array++ = 0;
- }
- }
-
- if (type & PERF_SAMPLE_PHYS_ADDR) {
- *array = sample->phys_addr;
- array++;
- }
-
- return 0;
-}
-
struct tep_format_field *perf_evsel__field(struct evsel *evsel, const char *name)
{
return tep_find_field(evsel->tp_format, name);
} side_band;
};
-union u64_swap {
- u64 val64;
- u32 val32[2];
-};
-
struct perf_missing_features {
bool sample_id_all;
bool exclude_guest;
#include <stdbool.h>
#include <traceevent/event-parse.h>
#include "evsel.h"
+#include "util/event.h"
#include "callchain.h"
#include "map.h"
#include "strlist.h"
#include "tool.h"
#include "time-utils.h"
#include "units.h"
-#include "util.h"
+#include "util.h" // page_size, perf_exe()
#include "cputopo.h"
#include "bpf-event.h"
#include <linux/ctype.h>
+#include <internal/lib.h>
/*
* magic2 = "PERFILE2"
struct perf_file_section ids;
};
-struct feat_fd {
- struct perf_header *ph;
- int fd;
- void *buf; /* Either buf != NULL or fd >= 0 */
- ssize_t offset;
- size_t size;
- struct evsel *events;
-};
-
void perf_header__set_feat(struct perf_header *header, int feat)
{
set_bit(feat, header->adds_features);
return 0;
}
-struct feature_ops {
- int (*write)(struct feat_fd *ff, struct evlist *evlist);
- void (*print)(struct feat_fd *ff, FILE *fp);
- int (*process)(struct feat_fd *ff, void *data);
- const char *name;
- bool full_only;
- bool synthesize;
-};
-
#define FEAT_OPR(n, func, __full_only) \
[HEADER_##n] = { \
.name = __stringify(n), \
#define process_branch_stack NULL
#define process_stat NULL
+// Only used in util/synthetic-events.c
+const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE];
-static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
+const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPN(TRACING_DATA, tracing_data, false),
FEAT_OPN(BUILD_ID, build_id, false),
FEAT_OPR(HOSTNAME, hostname, false),
return -ENOMEM;
}
-int perf_event__synthesize_attr(struct perf_tool *tool,
- struct perf_event_attr *attr, u32 ids, u64 *id,
- perf_event__handler_t process)
-{
- union perf_event *ev;
- size_t size;
- int err;
-
- size = sizeof(struct perf_event_attr);
- size = PERF_ALIGN(size, sizeof(u64));
- size += sizeof(struct perf_event_header);
- size += ids * sizeof(u64);
-
- ev = zalloc(size);
-
- if (ev == NULL)
- return -ENOMEM;
-
- ev->attr.attr = *attr;
- memcpy(ev->attr.id, id, ids * sizeof(u64));
-
- ev->attr.header.type = PERF_RECORD_HEADER_ATTR;
- ev->attr.header.size = (u16)size;
-
- if (ev->attr.header.size == size)
- err = process(tool, ev, NULL, NULL);
- else
- err = -E2BIG;
-
- free(ev);
-
- return err;
-}
-
-int perf_event__synthesize_features(struct perf_tool *tool,
- struct perf_session *session,
- struct evlist *evlist,
- perf_event__handler_t process)
-{
- struct perf_header *header = &session->header;
- struct feat_fd ff;
- struct perf_record_header_feature *fe;
- size_t sz, sz_hdr;
- int feat, ret;
-
- sz_hdr = sizeof(fe->header);
- sz = sizeof(union perf_event);
- /* get a nice alignment */
- sz = PERF_ALIGN(sz, page_size);
-
- memset(&ff, 0, sizeof(ff));
-
- ff.buf = malloc(sz);
- if (!ff.buf)
- return -ENOMEM;
-
- ff.size = sz - sz_hdr;
- ff.ph = &session->header;
-
- for_each_set_bit(feat, header->adds_features, HEADER_FEAT_BITS) {
- if (!feat_ops[feat].synthesize) {
- pr_debug("No record header feature for header :%d\n", feat);
- continue;
- }
-
- ff.offset = sizeof(*fe);
-
- ret = feat_ops[feat].write(&ff, evlist);
- if (ret || ff.offset <= (ssize_t)sizeof(*fe)) {
- pr_debug("Error writing feature\n");
- continue;
- }
- /* ff.buf may have changed due to realloc in do_write() */
- fe = ff.buf;
- memset(fe, 0, sizeof(*fe));
-
- fe->feat_id = feat;
- fe->header.type = PERF_RECORD_HEADER_FEATURE;
- fe->header.size = ff.offset;
-
- ret = process(tool, ff.buf, NULL, NULL);
- if (ret) {
- free(ff.buf);
- return ret;
- }
- }
-
- /* Send HEADER_LAST_FEATURE mark. */
- fe = ff.buf;
- fe->feat_id = HEADER_LAST_FEATURE;
- fe->header.type = PERF_RECORD_HEADER_FEATURE;
- fe->header.size = sizeof(*fe);
-
- ret = process(tool, ff.buf, NULL, NULL);
-
- free(ff.buf);
- return ret;
-}
-
int perf_event__process_feature(struct perf_session *session,
union perf_event *event)
{
return 0;
}
-static struct perf_record_event_update *
-event_update_event__new(size_t size, u64 type, u64 id)
-{
- struct perf_record_event_update *ev;
-
- size += sizeof(*ev);
- size = PERF_ALIGN(size, sizeof(u64));
-
- ev = zalloc(size);
- if (ev) {
- ev->header.type = PERF_RECORD_EVENT_UPDATE;
- ev->header.size = (u16)size;
- ev->type = type;
- ev->id = id;
- }
- return ev;
-}
-
-int
-perf_event__synthesize_event_update_unit(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process)
-{
- struct perf_record_event_update *ev;
- size_t size = strlen(evsel->unit);
- int err;
-
- ev = event_update_event__new(size + 1, PERF_EVENT_UPDATE__UNIT, evsel->id[0]);
- if (ev == NULL)
- return -ENOMEM;
-
- strlcpy(ev->data, evsel->unit, size + 1);
- err = process(tool, (union perf_event *)ev, NULL, NULL);
- free(ev);
- return err;
-}
-
-int
-perf_event__synthesize_event_update_scale(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process)
-{
- struct perf_record_event_update *ev;
- struct perf_record_event_update_scale *ev_data;
- int err;
-
- ev = event_update_event__new(sizeof(*ev_data), PERF_EVENT_UPDATE__SCALE, evsel->id[0]);
- if (ev == NULL)
- return -ENOMEM;
-
- ev_data = (struct perf_record_event_update_scale *)ev->data;
- ev_data->scale = evsel->scale;
- err = process(tool, (union perf_event*) ev, NULL, NULL);
- free(ev);
- return err;
-}
-
-int
-perf_event__synthesize_event_update_name(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process)
-{
- struct perf_record_event_update *ev;
- size_t len = strlen(evsel->name);
- int err;
-
- ev = event_update_event__new(len + 1, PERF_EVENT_UPDATE__NAME, evsel->id[0]);
- if (ev == NULL)
- return -ENOMEM;
-
- strlcpy(ev->data, evsel->name, len + 1);
- err = process(tool, (union perf_event*) ev, NULL, NULL);
- free(ev);
- return err;
-}
-
-int
-perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process)
-{
- size_t size = sizeof(struct perf_record_event_update);
- struct perf_record_event_update *ev;
- int max, err;
- u16 type;
-
- if (!evsel->core.own_cpus)
- return 0;
-
- ev = cpu_map_data__alloc(evsel->core.own_cpus, &size, &type, &max);
- if (!ev)
- return -ENOMEM;
-
- ev->header.type = PERF_RECORD_EVENT_UPDATE;
- ev->header.size = (u16)size;
- ev->type = PERF_EVENT_UPDATE__CPUS;
- ev->id = evsel->id[0];
-
- cpu_map_data__synthesize((struct perf_record_cpu_map_data *)ev->data,
- evsel->core.own_cpus,
- type, max);
-
- err = process(tool, (union perf_event*) ev, NULL, NULL);
- free(ev);
- return err;
-}
-
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp)
{
struct perf_record_event_update *ev = &event->event_update;
return ret;
}
-int perf_event__synthesize_attrs(struct perf_tool *tool,
- struct evlist *evlist,
- perf_event__handler_t process)
-{
- struct evsel *evsel;
- int err = 0;
-
- evlist__for_each_entry(evlist, evsel) {
- err = perf_event__synthesize_attr(tool, &evsel->core.attr, evsel->ids,
- evsel->id, process);
- if (err) {
- pr_debug("failed to create perf header attribute\n");
- return err;
- }
- }
-
- return err;
-}
-
-static bool has_unit(struct evsel *counter)
-{
- return counter->unit && *counter->unit;
-}
-
-static bool has_scale(struct evsel *counter)
-{
- return counter->scale != 1;
-}
-
-int perf_event__synthesize_extra_attr(struct perf_tool *tool,
- struct evlist *evsel_list,
- perf_event__handler_t process,
- bool is_pipe)
-{
- struct evsel *counter;
- int err;
-
- /*
- * Synthesize other events stuff not carried within
- * attr event - unit, scale, name
- */
- evlist__for_each_entry(evsel_list, counter) {
- if (!counter->supported)
- continue;
-
- /*
- * Synthesize unit and scale only if it's defined.
- */
- if (has_unit(counter)) {
- err = perf_event__synthesize_event_update_unit(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel unit.\n");
- return err;
- }
- }
-
- if (has_scale(counter)) {
- err = perf_event__synthesize_event_update_scale(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel counter.\n");
- return err;
- }
- }
-
- if (counter->core.own_cpus) {
- err = perf_event__synthesize_event_update_cpus(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel cpus.\n");
- return err;
- }
- }
-
- /*
- * Name is needed only for pipe output,
- * perf.data carries event names.
- */
- if (is_pipe) {
- err = perf_event__synthesize_event_update_name(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel name.\n");
- return err;
- }
- }
- }
- return 0;
-}
-
int perf_event__process_attr(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct evlist **pevlist)
return 0;
}
-int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
- struct evlist *evlist,
- perf_event__handler_t process)
-{
- union perf_event ev;
- struct tracing_data *tdata;
- ssize_t size = 0, aligned_size = 0, padding;
- struct feat_fd ff;
- int err __maybe_unused = 0;
-
- /*
- * We are going to store the size of the data followed
- * by the data contents. Since the fd descriptor is a pipe,
- * we cannot seek back to store the size of the data once
- * we know it. Instead we:
- *
- * - write the tracing data to the temp file
- * - get/write the data size to pipe
- * - write the tracing data from the temp file
- * to the pipe
- */
- tdata = tracing_data_get(&evlist->core.entries, fd, true);
- if (!tdata)
- return -1;
-
- memset(&ev, 0, sizeof(ev));
-
- ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;
- size = tdata->size;
- aligned_size = PERF_ALIGN(size, sizeof(u64));
- padding = aligned_size - size;
- ev.tracing_data.header.size = sizeof(ev.tracing_data);
- ev.tracing_data.size = aligned_size;
-
- process(tool, &ev, NULL, NULL);
-
- /*
- * The put function will copy all the tracing data
- * stored in temp file to the pipe.
- */
- tracing_data_put(tdata);
-
- ff = (struct feat_fd){ .fd = fd };
- if (write_padded(&ff, NULL, 0, padding))
- return -1;
-
- return aligned_size;
-}
-
int perf_event__process_tracing_data(struct perf_session *session,
union perf_event *event)
{
return size_read + padding;
}
-int perf_event__synthesize_build_id(struct perf_tool *tool,
- struct dso *pos, u16 misc,
- perf_event__handler_t process,
- struct machine *machine)
-{
- union perf_event ev;
- size_t len;
- int err = 0;
-
- if (!pos->hit)
- return err;
-
- memset(&ev, 0, sizeof(ev));
-
- len = pos->long_name_len + 1;
- len = PERF_ALIGN(len, NAME_ALIGN);
- memcpy(&ev.build_id.build_id, pos->build_id, sizeof(pos->build_id));
- ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;
- ev.build_id.header.misc = misc;
- ev.build_id.pid = machine->pid;
- ev.build_id.header.size = sizeof(ev.build_id) + len;
- memcpy(&ev.build_id.filename, pos->long_name, pos->long_name_len);
-
- err = process(tool, &ev, NULL, machine);
-
- return err;
-}
-
int perf_event__process_build_id(struct perf_session *session,
union perf_event *event)
{
#include <linux/stddef.h>
#include <linux/perf_event.h>
#include <sys/types.h>
+#include <stdio.h> // FILE
#include <stdbool.h>
#include <linux/bitmap.h>
#include <linux/types.h>
-#include "event.h"
#include "env.h"
#include "pmu.h"
struct perf_env env;
};
+struct feat_fd {
+ struct perf_header *ph;
+ int fd;
+ void *buf; /* Either buf != NULL or fd >= 0 */
+ ssize_t offset;
+ size_t size;
+ struct evsel *events;
+};
+
+struct perf_header_feature_ops {
+ int (*write)(struct feat_fd *ff, struct evlist *evlist);
+ void (*print)(struct feat_fd *ff, FILE *fp);
+ int (*process)(struct feat_fd *ff, void *data);
+ const char *name;
+ bool full_only;
+ bool synthesize;
+};
+
struct evlist;
struct perf_session;
+struct perf_tool;
+union perf_event;
int perf_session__read_header(struct perf_session *session);
int perf_session__write_header(struct perf_session *session,
int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
-int perf_event__synthesize_features(struct perf_tool *tool,
- struct perf_session *session,
- struct evlist *evlist,
- perf_event__handler_t process);
-
-int perf_event__synthesize_extra_attr(struct perf_tool *tool,
- struct evlist *evsel_list,
- perf_event__handler_t process,
- bool is_pipe);
-
int perf_event__process_feature(struct perf_session *session,
union perf_event *event);
-
-int perf_event__synthesize_attr(struct perf_tool *tool,
- struct perf_event_attr *attr, u32 ids, u64 *id,
- perf_event__handler_t process);
-int perf_event__synthesize_attrs(struct perf_tool *tool,
- struct evlist *evlist,
- perf_event__handler_t process);
-int perf_event__synthesize_event_update_unit(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process);
-int perf_event__synthesize_event_update_scale(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process);
-int perf_event__synthesize_event_update_name(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process);
-int perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
- struct evsel *evsel,
- perf_event__handler_t process);
int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
struct evlist **pevlist);
int perf_event__process_event_update(struct perf_tool *tool,
union perf_event *event,
struct evlist **pevlist);
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp);
-
-int perf_event__synthesize_tracing_data(struct perf_tool *tool,
- int fd, struct evlist *evlist,
- perf_event__handler_t process);
int perf_event__process_tracing_data(struct perf_session *session,
union perf_event *event);
-
-int perf_event__synthesize_build_id(struct perf_tool *tool,
- struct dso *pos, u16 misc,
- perf_event__handler_t process,
- struct machine *machine);
int perf_event__process_build_id(struct perf_session *session,
union perf_event *event);
bool is_perf_magic(u64 magic);
struct map_symbol;
struct mem_info;
struct branch_info;
+struct branch_stack;
struct block_info;
struct symbol;
struct ui_progress;
#include <linux/log2.h>
#include <linux/zalloc.h>
-#include "cpumap.h"
#include "color.h"
#include "evsel.h"
#include "evlist.h"
#include "auxtrace.h"
#include "intel-pt-decoder/intel-pt-insn-decoder.h"
#include "intel-bts.h"
+#include "util/synthetic-events.h"
#define MAX_TIMESTAMP (~0ULL)
#include "tsc.h"
#include "intel-pt.h"
#include "config.h"
+#include "util/synthetic-events.h"
#include "time-utils.h"
#include "../arch/x86/include/uapi/asm/perf_regs.h"
#include <linux/stringify.h>
#include "build-id.h"
-#include "util.h"
#include "event.h"
#include "debug.h"
#include "evlist.h"
#include "jit.h"
#include "jitdump.h"
#include "genelf.h"
-#include "../builtin.h"
#include <linux/ctype.h>
#include <linux/zalloc.h>
#ifndef __PERF_KVM_STAT_H
#define __PERF_KVM_STAT_H
+#ifdef HAVE_KVM_STAT_SUPPORT
+
#include "tool.h"
#include "stat.h"
#include "record.h"
extern const char *kvm_exit_reason;
extern const char *kvm_entry_trace;
extern const char *kvm_exit_trace;
+#endif /* HAVE_KVM_STAT_SUPPORT */
+extern int kvm_add_default_arch_event(int *argc, const char **argv);
#endif /* __PERF_KVM_STAT_H */
#define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP
#include "unwind.h"
-#include "debug.h"
#include "libunwind-aarch64.h"
#include <../../../../arch/arm64/include/uapi/asm/perf_regs.h>
#include "../../arch/arm64/util/unwind-libunwind.c"
#define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP
#include "unwind.h"
-#include "debug.h"
#include "libunwind-x86.h"
#include <../../../../arch/x86/include/uapi/asm/perf_regs.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
+#include <unistd.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/zalloc.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "compress.h"
-#include "util.h"
#include "debug.h"
#include <string.h>
#include <unistd.h>
+#include <internal/lib.h>
#define BUFSIZE 8192
return rc;
}
-int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
- struct target *target, struct perf_thread_map *threads,
- perf_event__handler_t process, bool data_mmap,
- unsigned int nr_threads_synthesize)
-{
- if (target__has_task(target))
- return perf_event__synthesize_thread_map(tool, threads, process, machine, data_mmap);
- else if (target__has_cpu(target))
- return perf_event__synthesize_threads(tool, process,
- machine, data_mmap,
- nr_threads_synthesize);
- /* command specified */
- return 0;
-}
-
pid_t machine__get_current_tid(struct machine *machine, int cpu)
{
int nr_cpus = min(machine->env->nr_cpus_online, MAX_NR_CPUS);
#include <linux/rbtree.h>
#include "map_groups.h"
#include "dsos.h"
-#include "event.h"
#include "rwsem.h"
struct addr_location;
int (*fn)(struct thread *thread, void *p),
void *priv);
-int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
- struct target *target, struct perf_thread_map *threads,
- perf_event__handler_t process, bool data_mmap,
- unsigned int nr_threads_synthesize);
-static inline
-int machine__synthesize_threads(struct machine *machine, struct target *target,
- struct perf_thread_map *threads, bool data_mmap,
- unsigned int nr_threads_synthesize)
-{
- return __machine__synthesize_threads(machine, NULL, target, threads,
- perf_event__process, data_mmap,
- nr_threads_synthesize);
-}
-
pid_t machine__get_current_tid(struct machine *machine, int cpu);
int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
pid_t tid);
#ifndef PERF_MEMSWAP_H_
#define PERF_MEMSWAP_H_
+#include <linux/types.h>
+
+union u64_swap {
+ u64 val64;
+ u32 val32[2];
+};
+
void mem_bswap_64(void *src, int byte_size);
void mem_bswap_32(void *src, int byte_size);
#include <string.h>
#include <unistd.h>
#include <asm/bug.h>
+#include <linux/kernel.h>
#include <linux/zalloc.h>
+static const char *perf_ns__names[] = {
+ [NET_NS_INDEX] = "net",
+ [UTS_NS_INDEX] = "uts",
+ [IPC_NS_INDEX] = "ipc",
+ [PID_NS_INDEX] = "pid",
+ [USER_NS_INDEX] = "user",
+ [MNT_NS_INDEX] = "mnt",
+ [CGROUP_NS_INDEX] = "cgroup",
+};
+
+const char *perf_ns__name(unsigned int id)
+{
+ if (id >= ARRAY_SIZE(perf_ns__names))
+ return "UNKNOWN";
+ return perf_ns__names[id];
+}
+
struct namespaces *namespaces__new(struct perf_record_namespaces *event)
{
struct namespaces *namespaces;
#define nsinfo__zput(nsi) __nsinfo__zput(&nsi)
+const char *perf_ns__name(unsigned int id);
+
#endif /* __PERF_NAMESPACES_H */
#include "parse-events-flex.h"
#include "pmu.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "probe-file.h"
#include "asm/bug.h"
#include "util/parse-branch-options.h"
#include <setjmp.h>
#include <linux/err.h>
#include <linux/kernel.h>
-#include "util/util.h"
#include "util/debug.h"
#include "util/perf-hooks.h"
#include "debug.h"
#include "pmu.h"
#include "parse-events.h"
-#include "cpumap.h"
#include "header.h"
#include "pmu-events/pmu-events.h"
#include "string2.h"
#include "strlist.h"
#include "strfilter.h"
#include "debug.h"
+#include "build-id.h"
#include "dso.h"
#include "color.h"
#include "symbol.h"
#include <linux/err.h>
#include <perf/cpumap.h>
#include <traceevent/event-parse.h>
-#include "debug.h"
#include "evlist.h"
#include "callchain.h"
#include "evsel.h"
#include "event.h"
-#include "cpumap.h"
#include "print_binary.h"
#include "thread_map.h"
#include "trace-event.h"
*/
int verbose;
+int eprintf(int level, int var, const char *fmt, ...);
+
int eprintf(int level, int var, const char *fmt, ...)
{
va_list args;
#include "debug.h"
#include "evlist.h"
#include "evsel.h"
-#include "cpumap.h"
#include "parse-events.h"
#include <errno.h>
#include <limits.h>
#include <api/fs/fs.h>
#include <subcmd/parse-options.h>
#include <perf/cpumap.h>
-#include "util.h"
#include "cloexec.h"
#include "record.h"
#include "../perf-sys.h"
+// SPDX-License-Identifier: GPL-2.0
#include "util.h"
#include "rwsem.h"
#include <sys/stat.h>
#include <sys/types.h>
-#include "cpumap.h"
#include "color.h"
#include "evsel.h"
#include "evlist.h"
#include <asm/byteorder.h>
#include "debug.h"
-#include "util.h"
#include "session.h"
#include "evlist.h"
#include "color.h"
#include "../dso.h"
#include "../callchain.h"
#include "../evsel.h"
-#include "../util.h"
#include "../event.h"
#include "../thread.h"
#include "../comm.h"
#include "map.h"
#include "symbol.h"
#include "thread_map.h"
-#include "cpumap.h"
#include "print_binary.h"
#include "stat.h"
#include "mem-events.h"
#include "symbol.h"
#include "session.h"
#include "tool.h"
-#include "cpumap.h"
#include "perf_regs.h"
#include "asm/bug.h"
#include "auxtrace.h"
#include "ui/progress.h"
#include "../perf.h"
#include "arch/common.h"
+#include <internal/lib.h>
#ifdef HAVE_ZSTD_SUPPORT
static int perf_session__process_compressed_event(struct perf_session *session,
}
return 0;
}
-
-int perf_event__synthesize_id_index(struct perf_tool *tool,
- perf_event__handler_t process,
- struct evlist *evlist,
- struct machine *machine)
-{
- union perf_event *ev;
- struct evsel *evsel;
- size_t nr = 0, i = 0, sz, max_nr, n;
- int err;
-
- pr_debug2("Synthesizing id index\n");
-
- max_nr = (UINT16_MAX - sizeof(struct perf_record_id_index)) /
- sizeof(struct id_index_entry);
-
- evlist__for_each_entry(evlist, evsel)
- nr += evsel->ids;
-
- n = nr > max_nr ? max_nr : nr;
- sz = sizeof(struct perf_record_id_index) + n * sizeof(struct id_index_entry);
- ev = zalloc(sz);
- if (!ev)
- return -ENOMEM;
-
- ev->id_index.header.type = PERF_RECORD_ID_INDEX;
- ev->id_index.header.size = sz;
- ev->id_index.nr = n;
-
- evlist__for_each_entry(evlist, evsel) {
- u32 j;
-
- for (j = 0; j < evsel->ids; j++) {
- struct id_index_entry *e;
- struct perf_sample_id *sid;
-
- if (i >= n) {
- err = process(tool, ev, NULL, machine);
- if (err)
- goto out_err;
- nr -= n;
- i = 0;
- }
-
- e = &ev->id_index.entries[i++];
-
- e->id = evsel->id[j];
-
- sid = perf_evlist__id2sid(evlist, e->id);
- if (!sid) {
- free(ev);
- return -ENOENT;
- }
-
- e->idx = sid->idx;
- e->cpu = sid->cpu;
- e->tid = sid->tid;
- }
- }
-
- sz = sizeof(struct perf_record_id_index) + nr * sizeof(struct id_index_entry);
- ev->id_index.header.size = sz;
- ev->id_index.nr = nr;
-
- err = process(tool, ev, NULL, machine);
-out_err:
- free(ev);
-
- return err;
-}
int perf_event__process_id_index(struct perf_session *session,
union perf_event *event);
-int perf_event__synthesize_id_index(struct perf_tool *tool,
- perf_event__handler_t process,
- struct evlist *evlist,
- struct machine *machine);
-
#endif /* __PERF_SESSION_H */
#include <string.h>
#include "srccode.h"
#include "debug.h"
-#include "util.h"
+#include "util.h" // page_size
#define MAXSRCCACHE (32*1024*1024)
#define MAXSRCFILES 64
#include <math.h>
#include <string.h>
#include "counts.h"
+#include "cpumap.h"
#include "debug.h"
#include "header.h"
#include "stat.h"
evsel->prev_raw_counts = NULL;
}
+static void perf_evsel__reset_prev_raw_counts(struct evsel *evsel)
+{
+ if (evsel->prev_raw_counts) {
+ evsel->prev_raw_counts->aggr.val = 0;
+ evsel->prev_raw_counts->aggr.ena = 0;
+ evsel->prev_raw_counts->aggr.run = 0;
+ }
+}
+
static int perf_evsel__alloc_stats(struct evsel *evsel, bool alloc_raw)
{
int ncpus = perf_evsel__nr_cpus(evsel);
}
}
+void perf_evlist__reset_prev_raw_counts(struct evlist *evlist)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel)
+ perf_evsel__reset_prev_raw_counts(evsel);
+}
+
static void zero_per_pkg(struct evsel *counter)
{
if (counter->per_pkg_mask)
return perf_evsel__open_per_thread(evsel, evsel->core.threads);
}
-
-int perf_stat_synthesize_config(struct perf_stat_config *config,
- struct perf_tool *tool,
- struct evlist *evlist,
- perf_event__handler_t process,
- bool attrs)
-{
- int err;
-
- if (attrs) {
- err = perf_event__synthesize_attrs(tool, evlist, process);
- if (err < 0) {
- pr_err("Couldn't synthesize attrs.\n");
- return err;
- }
- }
-
- err = perf_event__synthesize_extra_attr(tool, evlist, process,
- attrs);
-
- err = perf_event__synthesize_thread_map2(tool, evlist->core.threads,
- process, NULL);
- if (err < 0) {
- pr_err("Couldn't synthesize thread map.\n");
- return err;
- }
-
- err = perf_event__synthesize_cpu_map(tool, evlist->core.cpus,
- process, NULL);
- if (err < 0) {
- pr_err("Couldn't synthesize thread map.\n");
- return err;
- }
-
- err = perf_event__synthesize_stat_config(tool, config, process, NULL);
- if (err < 0) {
- pr_err("Couldn't synthesize config.\n");
- return err;
- }
-
- return 0;
-}
#include <sys/types.h>
#include <sys/resource.h>
#include "rblist.h"
-#include "event.h"
+struct perf_cpu_map;
+struct perf_stat_config;
struct timespec;
struct stats {
int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
void perf_evlist__free_stats(struct evlist *evlist);
void perf_evlist__reset_stats(struct evlist *evlist);
+void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
int perf_stat_process_counter(struct perf_stat_config *config,
struct evsel *counter);
int create_perf_stat_counter(struct evsel *evsel,
struct perf_stat_config *config,
struct target *target);
-int perf_stat_synthesize_config(struct perf_stat_config *config,
- struct perf_tool *tool,
- struct evlist *evlist,
- perf_event__handler_t process,
- bool attrs);
void
perf_evlist__print_counters(struct evlist *evlist,
struct perf_stat_config *config,
#include <linux/string.h>
#include <linux/time64.h>
#include <linux/zalloc.h>
+#include <internal/cpumap.h>
#include <perf/cpumap.h>
#include "env.h"
#include "svghelper.h"
-#include "cpumap.h"
static u64 first_time, last_time;
static u64 turbo_frequency, max_freq;
#include <unistd.h>
#include <inttypes.h>
+#include "dso.h"
#include "map.h"
#include "map_groups.h"
#include "symbol.h"
#include "debug.h"
#include "util.h"
#include <linux/ctype.h>
+#include <linux/kernel.h>
#include <linux/zalloc.h>
#include <symbol/kallsyms.h>
+#include <internal/lib.h>
#ifndef EM_AARCH64
#define EM_AARCH64 183 /* ARM 64 bit */
-// SPDX-License-Identifier: GPL-2.0
#include "dso.h"
#include "symbol.h"
#include "symsrc.h"
-#include "util.h"
#include <errno.h>
#include <unistd.h>
#include <byteswap.h>
#include <sys/stat.h>
#include <linux/zalloc.h>
+#include <internal/lib.h>
static bool check_need_swap(int file_endian)
{
#include "build-id.h"
#include "cap.h"
#include "dso.h"
-#include "util.h"
+#include "util.h" // lsdir()
#include "debug.h"
#include "event.h"
#include "machine.h"
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "util/debug.h"
+#include "util/dso.h"
+#include "util/event.h"
+#include "util/evlist.h"
+#include "util/machine.h"
+#include "util/map.h"
+#include "util/map_symbol.h"
+#include "util/branch.h"
+#include "util/memswap.h"
+#include "util/namespaces.h"
+#include "util/session.h"
+#include "util/stat.h"
+#include "util/symbol.h"
+#include "util/synthetic-events.h"
+#include "util/target.h"
+#include "util/time-utils.h"
+#include "util/util.h"
+#include <linux/bitops.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/zalloc.h>
+#include <linux/perf_event.h>
+#include <asm/bug.h>
+#include <perf/evsel.h>
+#include <internal/cpumap.h>
+#include <perf/cpumap.h>
+#include <internal/threadmap.h>
+#include <perf/threadmap.h>
+#include <symbol/kallsyms.h>
+#include <dirent.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
+#include <api/fs/fs.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define DEFAULT_PROC_MAP_PARSE_TIMEOUT 500
+
+unsigned int proc_map_timeout = DEFAULT_PROC_MAP_PARSE_TIMEOUT;
+
+int perf_tool__process_synth_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct machine *machine,
+ perf_event__handler_t process)
+{
+ struct perf_sample synth_sample = {
+ .pid = -1,
+ .tid = -1,
+ .time = -1,
+ .stream_id = -1,
+ .cpu = -1,
+ .period = 1,
+ .cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK,
+ };
+
+ return process(tool, event, &synth_sample, machine);
+};
+
+/*
+ * Assumes that the first 4095 bytes of /proc/pid/stat contains
+ * the comm, tgid and ppid.
+ */
+static int perf_event__get_comm_ids(pid_t pid, char *comm, size_t len,
+ pid_t *tgid, pid_t *ppid)
+{
+ char filename[PATH_MAX];
+ char bf[4096];
+ int fd;
+ size_t size = 0;
+ ssize_t n;
+ char *name, *tgids, *ppids;
+
+ *tgid = -1;
+ *ppid = -1;
+
+ snprintf(filename, sizeof(filename), "/proc/%d/status", pid);
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0) {
+ pr_debug("couldn't open %s\n", filename);
+ return -1;
+ }
+
+ n = read(fd, bf, sizeof(bf) - 1);
+ close(fd);
+ if (n <= 0) {
+ pr_warning("Couldn't get COMM, tigd and ppid for pid %d\n",
+ pid);
+ return -1;
+ }
+ bf[n] = '\0';
+
+ name = strstr(bf, "Name:");
+ tgids = strstr(bf, "Tgid:");
+ ppids = strstr(bf, "PPid:");
+
+ if (name) {
+ char *nl;
+
+ name = skip_spaces(name + 5); /* strlen("Name:") */
+ nl = strchr(name, '\n');
+ if (nl)
+ *nl = '\0';
+
+ size = strlen(name);
+ if (size >= len)
+ size = len - 1;
+ memcpy(comm, name, size);
+ comm[size] = '\0';
+ } else {
+ pr_debug("Name: string not found for pid %d\n", pid);
+ }
+
+ if (tgids) {
+ tgids += 5; /* strlen("Tgid:") */
+ *tgid = atoi(tgids);
+ } else {
+ pr_debug("Tgid: string not found for pid %d\n", pid);
+ }
+
+ if (ppids) {
+ ppids += 5; /* strlen("PPid:") */
+ *ppid = atoi(ppids);
+ } else {
+ pr_debug("PPid: string not found for pid %d\n", pid);
+ }
+
+ return 0;
+}
+
+static int perf_event__prepare_comm(union perf_event *event, pid_t pid,
+ struct machine *machine,
+ pid_t *tgid, pid_t *ppid)
+{
+ size_t size;
+
+ *ppid = -1;
+
+ memset(&event->comm, 0, sizeof(event->comm));
+
+ if (machine__is_host(machine)) {
+ if (perf_event__get_comm_ids(pid, event->comm.comm,
+ sizeof(event->comm.comm),
+ tgid, ppid) != 0) {
+ return -1;
+ }
+ } else {
+ *tgid = machine->pid;
+ }
+
+ if (*tgid < 0)
+ return -1;
+
+ event->comm.pid = *tgid;
+ event->comm.header.type = PERF_RECORD_COMM;
+
+ size = strlen(event->comm.comm) + 1;
+ size = PERF_ALIGN(size, sizeof(u64));
+ memset(event->comm.comm + size, 0, machine->id_hdr_size);
+ event->comm.header.size = (sizeof(event->comm) -
+ (sizeof(event->comm.comm) - size) +
+ machine->id_hdr_size);
+ event->comm.tid = pid;
+
+ return 0;
+}
+
+pid_t perf_event__synthesize_comm(struct perf_tool *tool,
+ union perf_event *event, pid_t pid,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ pid_t tgid, ppid;
+
+ if (perf_event__prepare_comm(event, pid, machine, &tgid, &ppid) != 0)
+ return -1;
+
+ if (perf_tool__process_synth_event(tool, event, machine, process) != 0)
+ return -1;
+
+ return tgid;
+}
+
+static void perf_event__get_ns_link_info(pid_t pid, const char *ns,
+ struct perf_ns_link_info *ns_link_info)
+{
+ struct stat64 st;
+ char proc_ns[128];
+
+ sprintf(proc_ns, "/proc/%u/ns/%s", pid, ns);
+ if (stat64(proc_ns, &st) == 0) {
+ ns_link_info->dev = st.st_dev;
+ ns_link_info->ino = st.st_ino;
+ }
+}
+
+int perf_event__synthesize_namespaces(struct perf_tool *tool,
+ union perf_event *event,
+ pid_t pid, pid_t tgid,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ u32 idx;
+ struct perf_ns_link_info *ns_link_info;
+
+ if (!tool || !tool->namespace_events)
+ return 0;
+
+ memset(&event->namespaces, 0, (sizeof(event->namespaces) +
+ (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
+ machine->id_hdr_size));
+
+ event->namespaces.pid = tgid;
+ event->namespaces.tid = pid;
+
+ event->namespaces.nr_namespaces = NR_NAMESPACES;
+
+ ns_link_info = event->namespaces.link_info;
+
+ for (idx = 0; idx < event->namespaces.nr_namespaces; idx++)
+ perf_event__get_ns_link_info(pid, perf_ns__name(idx),
+ &ns_link_info[idx]);
+
+ event->namespaces.header.type = PERF_RECORD_NAMESPACES;
+
+ event->namespaces.header.size = (sizeof(event->namespaces) +
+ (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
+ machine->id_hdr_size);
+
+ if (perf_tool__process_synth_event(tool, event, machine, process) != 0)
+ return -1;
+
+ return 0;
+}
+
+static int perf_event__synthesize_fork(struct perf_tool *tool,
+ union perf_event *event,
+ pid_t pid, pid_t tgid, pid_t ppid,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ memset(&event->fork, 0, sizeof(event->fork) + machine->id_hdr_size);
+
+ /*
+ * for main thread set parent to ppid from status file. For other
+ * threads set parent pid to main thread. ie., assume main thread
+ * spawns all threads in a process
+ */
+ if (tgid == pid) {
+ event->fork.ppid = ppid;
+ event->fork.ptid = ppid;
+ } else {
+ event->fork.ppid = tgid;
+ event->fork.ptid = tgid;
+ }
+ event->fork.pid = tgid;
+ event->fork.tid = pid;
+ event->fork.header.type = PERF_RECORD_FORK;
+ event->fork.header.misc = PERF_RECORD_MISC_FORK_EXEC;
+
+ event->fork.header.size = (sizeof(event->fork) + machine->id_hdr_size);
+
+ if (perf_tool__process_synth_event(tool, event, machine, process) != 0)
+ return -1;
+
+ return 0;
+}
+
+int perf_event__synthesize_mmap_events(struct perf_tool *tool,
+ union perf_event *event,
+ pid_t pid, pid_t tgid,
+ perf_event__handler_t process,
+ struct machine *machine,
+ bool mmap_data)
+{
+ char filename[PATH_MAX];
+ FILE *fp;
+ unsigned long long t;
+ bool truncation = false;
+ unsigned long long timeout = proc_map_timeout * 1000000ULL;
+ int rc = 0;
+ const char *hugetlbfs_mnt = hugetlbfs__mountpoint();
+ int hugetlbfs_mnt_len = hugetlbfs_mnt ? strlen(hugetlbfs_mnt) : 0;
+
+ if (machine__is_default_guest(machine))
+ return 0;
+
+ snprintf(filename, sizeof(filename), "%s/proc/%d/task/%d/maps",
+ machine->root_dir, pid, pid);
+
+ fp = fopen(filename, "r");
+ if (fp == NULL) {
+ /*
+ * We raced with a task exiting - just return:
+ */
+ pr_debug("couldn't open %s\n", filename);
+ return -1;
+ }
+
+ event->header.type = PERF_RECORD_MMAP2;
+ t = rdclock();
+
+ while (1) {
+ char bf[BUFSIZ];
+ char prot[5];
+ char execname[PATH_MAX];
+ char anonstr[] = "//anon";
+ unsigned int ino;
+ size_t size;
+ ssize_t n;
+
+ if (fgets(bf, sizeof(bf), fp) == NULL)
+ break;
+
+ if ((rdclock() - t) > timeout) {
+ pr_warning("Reading %s time out. "
+ "You may want to increase "
+ "the time limit by --proc-map-timeout\n",
+ filename);
+ truncation = true;
+ goto out;
+ }
+
+ /* ensure null termination since stack will be reused. */
+ strcpy(execname, "");
+
+ /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
+ n = sscanf(bf, "%"PRI_lx64"-%"PRI_lx64" %s %"PRI_lx64" %x:%x %u %[^\n]\n",
+ &event->mmap2.start, &event->mmap2.len, prot,
+ &event->mmap2.pgoff, &event->mmap2.maj,
+ &event->mmap2.min,
+ &ino, execname);
+
+ /*
+ * Anon maps don't have the execname.
+ */
+ if (n < 7)
+ continue;
+
+ event->mmap2.ino = (u64)ino;
+
+ /*
+ * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
+ */
+ if (machine__is_host(machine))
+ event->header.misc = PERF_RECORD_MISC_USER;
+ else
+ event->header.misc = PERF_RECORD_MISC_GUEST_USER;
+
+ /* map protection and flags bits */
+ event->mmap2.prot = 0;
+ event->mmap2.flags = 0;
+ if (prot[0] == 'r')
+ event->mmap2.prot |= PROT_READ;
+ if (prot[1] == 'w')
+ event->mmap2.prot |= PROT_WRITE;
+ if (prot[2] == 'x')
+ event->mmap2.prot |= PROT_EXEC;
+
+ if (prot[3] == 's')
+ event->mmap2.flags |= MAP_SHARED;
+ else
+ event->mmap2.flags |= MAP_PRIVATE;
+
+ if (prot[2] != 'x') {
+ if (!mmap_data || prot[0] != 'r')
+ continue;
+
+ event->header.misc |= PERF_RECORD_MISC_MMAP_DATA;
+ }
+
+out:
+ if (truncation)
+ event->header.misc |= PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT;
+
+ if (!strcmp(execname, ""))
+ strcpy(execname, anonstr);
+
+ if (hugetlbfs_mnt_len &&
+ !strncmp(execname, hugetlbfs_mnt, hugetlbfs_mnt_len)) {
+ strcpy(execname, anonstr);
+ event->mmap2.flags |= MAP_HUGETLB;
+ }
+
+ size = strlen(execname) + 1;
+ memcpy(event->mmap2.filename, execname, size);
+ size = PERF_ALIGN(size, sizeof(u64));
+ event->mmap2.len -= event->mmap.start;
+ event->mmap2.header.size = (sizeof(event->mmap2) -
+ (sizeof(event->mmap2.filename) - size));
+ memset(event->mmap2.filename + size, 0, machine->id_hdr_size);
+ event->mmap2.header.size += machine->id_hdr_size;
+ event->mmap2.pid = tgid;
+ event->mmap2.tid = pid;
+
+ if (perf_tool__process_synth_event(tool, event, machine, process) != 0) {
+ rc = -1;
+ break;
+ }
+
+ if (truncation)
+ break;
+ }
+
+ fclose(fp);
+ return rc;
+}
+
+int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process,
+ struct machine *machine)
+{
+ int rc = 0;
+ struct map *pos;
+ struct maps *maps = machine__kernel_maps(machine);
+ union perf_event *event = zalloc((sizeof(event->mmap) +
+ machine->id_hdr_size));
+ if (event == NULL) {
+ pr_debug("Not enough memory synthesizing mmap event "
+ "for kernel modules\n");
+ return -1;
+ }
+
+ event->header.type = PERF_RECORD_MMAP;
+
+ /*
+ * kernel uses 0 for user space maps, see kernel/perf_event.c
+ * __perf_event_mmap
+ */
+ if (machine__is_host(machine))
+ event->header.misc = PERF_RECORD_MISC_KERNEL;
+ else
+ event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
+
+ for (pos = maps__first(maps); pos; pos = map__next(pos)) {
+ size_t size;
+
+ if (!__map__is_kmodule(pos))
+ continue;
+
+ size = PERF_ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
+ event->mmap.header.type = PERF_RECORD_MMAP;
+ event->mmap.header.size = (sizeof(event->mmap) -
+ (sizeof(event->mmap.filename) - size));
+ memset(event->mmap.filename + size, 0, machine->id_hdr_size);
+ event->mmap.header.size += machine->id_hdr_size;
+ event->mmap.start = pos->start;
+ event->mmap.len = pos->end - pos->start;
+ event->mmap.pid = machine->pid;
+
+ memcpy(event->mmap.filename, pos->dso->long_name,
+ pos->dso->long_name_len + 1);
+ if (perf_tool__process_synth_event(tool, event, machine, process) != 0) {
+ rc = -1;
+ break;
+ }
+ }
+
+ free(event);
+ return rc;
+}
+
+static int __event__synthesize_thread(union perf_event *comm_event,
+ union perf_event *mmap_event,
+ union perf_event *fork_event,
+ union perf_event *namespaces_event,
+ pid_t pid, int full, perf_event__handler_t process,
+ struct perf_tool *tool, struct machine *machine, bool mmap_data)
+{
+ char filename[PATH_MAX];
+ DIR *tasks;
+ struct dirent *dirent;
+ pid_t tgid, ppid;
+ int rc = 0;
+
+ /* special case: only send one comm event using passed in pid */
+ if (!full) {
+ tgid = perf_event__synthesize_comm(tool, comm_event, pid,
+ process, machine);
+
+ if (tgid == -1)
+ return -1;
+
+ if (perf_event__synthesize_namespaces(tool, namespaces_event, pid,
+ tgid, process, machine) < 0)
+ return -1;
+
+ /*
+ * send mmap only for thread group leader
+ * see thread__init_map_groups
+ */
+ if (pid == tgid &&
+ perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
+ process, machine, mmap_data))
+ return -1;
+
+ return 0;
+ }
+
+ if (machine__is_default_guest(machine))
+ return 0;
+
+ snprintf(filename, sizeof(filename), "%s/proc/%d/task",
+ machine->root_dir, pid);
+
+ tasks = opendir(filename);
+ if (tasks == NULL) {
+ pr_debug("couldn't open %s\n", filename);
+ return 0;
+ }
+
+ while ((dirent = readdir(tasks)) != NULL) {
+ char *end;
+ pid_t _pid;
+
+ _pid = strtol(dirent->d_name, &end, 10);
+ if (*end)
+ continue;
+
+ rc = -1;
+ if (perf_event__prepare_comm(comm_event, _pid, machine,
+ &tgid, &ppid) != 0)
+ break;
+
+ if (perf_event__synthesize_fork(tool, fork_event, _pid, tgid,
+ ppid, process, machine) < 0)
+ break;
+
+ if (perf_event__synthesize_namespaces(tool, namespaces_event, _pid,
+ tgid, process, machine) < 0)
+ break;
+
+ /*
+ * Send the prepared comm event
+ */
+ if (perf_tool__process_synth_event(tool, comm_event, machine, process) != 0)
+ break;
+
+ rc = 0;
+ if (_pid == pid) {
+ /* process the parent's maps too */
+ rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
+ process, machine, mmap_data);
+ if (rc)
+ break;
+ }
+ }
+
+ closedir(tasks);
+ return rc;
+}
+
+int perf_event__synthesize_thread_map(struct perf_tool *tool,
+ struct perf_thread_map *threads,
+ perf_event__handler_t process,
+ struct machine *machine,
+ bool mmap_data)
+{
+ union perf_event *comm_event, *mmap_event, *fork_event;
+ union perf_event *namespaces_event;
+ int err = -1, thread, j;
+
+ comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size);
+ if (comm_event == NULL)
+ goto out;
+
+ mmap_event = malloc(sizeof(mmap_event->mmap2) + machine->id_hdr_size);
+ if (mmap_event == NULL)
+ goto out_free_comm;
+
+ fork_event = malloc(sizeof(fork_event->fork) + machine->id_hdr_size);
+ if (fork_event == NULL)
+ goto out_free_mmap;
+
+ namespaces_event = malloc(sizeof(namespaces_event->namespaces) +
+ (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
+ machine->id_hdr_size);
+ if (namespaces_event == NULL)
+ goto out_free_fork;
+
+ err = 0;
+ for (thread = 0; thread < threads->nr; ++thread) {
+ if (__event__synthesize_thread(comm_event, mmap_event,
+ fork_event, namespaces_event,
+ perf_thread_map__pid(threads, thread), 0,
+ process, tool, machine,
+ mmap_data)) {
+ err = -1;
+ break;
+ }
+
+ /*
+ * comm.pid is set to thread group id by
+ * perf_event__synthesize_comm
+ */
+ if ((int) comm_event->comm.pid != perf_thread_map__pid(threads, thread)) {
+ bool need_leader = true;
+
+ /* is thread group leader in thread_map? */
+ for (j = 0; j < threads->nr; ++j) {
+ if ((int) comm_event->comm.pid == perf_thread_map__pid(threads, j)) {
+ need_leader = false;
+ break;
+ }
+ }
+
+ /* if not, generate events for it */
+ if (need_leader &&
+ __event__synthesize_thread(comm_event, mmap_event,
+ fork_event, namespaces_event,
+ comm_event->comm.pid, 0,
+ process, tool, machine,
+ mmap_data)) {
+ err = -1;
+ break;
+ }
+ }
+ }
+ free(namespaces_event);
+out_free_fork:
+ free(fork_event);
+out_free_mmap:
+ free(mmap_event);
+out_free_comm:
+ free(comm_event);
+out:
+ return err;
+}
+
+static int __perf_event__synthesize_threads(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine,
+ bool mmap_data,
+ struct dirent **dirent,
+ int start,
+ int num)
+{
+ union perf_event *comm_event, *mmap_event, *fork_event;
+ union perf_event *namespaces_event;
+ int err = -1;
+ char *end;
+ pid_t pid;
+ int i;
+
+ comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size);
+ if (comm_event == NULL)
+ goto out;
+
+ mmap_event = malloc(sizeof(mmap_event->mmap2) + machine->id_hdr_size);
+ if (mmap_event == NULL)
+ goto out_free_comm;
+
+ fork_event = malloc(sizeof(fork_event->fork) + machine->id_hdr_size);
+ if (fork_event == NULL)
+ goto out_free_mmap;
+
+ namespaces_event = malloc(sizeof(namespaces_event->namespaces) +
+ (NR_NAMESPACES * sizeof(struct perf_ns_link_info)) +
+ machine->id_hdr_size);
+ if (namespaces_event == NULL)
+ goto out_free_fork;
+
+ for (i = start; i < start + num; i++) {
+ if (!isdigit(dirent[i]->d_name[0]))
+ continue;
+
+ pid = (pid_t)strtol(dirent[i]->d_name, &end, 10);
+ /* only interested in proper numerical dirents */
+ if (*end)
+ continue;
+ /*
+ * We may race with exiting thread, so don't stop just because
+ * one thread couldn't be synthesized.
+ */
+ __event__synthesize_thread(comm_event, mmap_event, fork_event,
+ namespaces_event, pid, 1, process,
+ tool, machine, mmap_data);
+ }
+ err = 0;
+
+ free(namespaces_event);
+out_free_fork:
+ free(fork_event);
+out_free_mmap:
+ free(mmap_event);
+out_free_comm:
+ free(comm_event);
+out:
+ return err;
+}
+
+struct synthesize_threads_arg {
+ struct perf_tool *tool;
+ perf_event__handler_t process;
+ struct machine *machine;
+ bool mmap_data;
+ struct dirent **dirent;
+ int num;
+ int start;
+};
+
+static void *synthesize_threads_worker(void *arg)
+{
+ struct synthesize_threads_arg *args = arg;
+
+ __perf_event__synthesize_threads(args->tool, args->process,
+ args->machine, args->mmap_data,
+ args->dirent,
+ args->start, args->num);
+ return NULL;
+}
+
+int perf_event__synthesize_threads(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine,
+ bool mmap_data,
+ unsigned int nr_threads_synthesize)
+{
+ struct synthesize_threads_arg *args = NULL;
+ pthread_t *synthesize_threads = NULL;
+ char proc_path[PATH_MAX];
+ struct dirent **dirent;
+ int num_per_thread;
+ int m, n, i, j;
+ int thread_nr;
+ int base = 0;
+ int err = -1;
+
+
+ if (machine__is_default_guest(machine))
+ return 0;
+
+ snprintf(proc_path, sizeof(proc_path), "%s/proc", machine->root_dir);
+ n = scandir(proc_path, &dirent, 0, alphasort);
+ if (n < 0)
+ return err;
+
+ if (nr_threads_synthesize == UINT_MAX)
+ thread_nr = sysconf(_SC_NPROCESSORS_ONLN);
+ else
+ thread_nr = nr_threads_synthesize;
+
+ if (thread_nr <= 1) {
+ err = __perf_event__synthesize_threads(tool, process,
+ machine, mmap_data,
+ dirent, base, n);
+ goto free_dirent;
+ }
+ if (thread_nr > n)
+ thread_nr = n;
+
+ synthesize_threads = calloc(sizeof(pthread_t), thread_nr);
+ if (synthesize_threads == NULL)
+ goto free_dirent;
+
+ args = calloc(sizeof(*args), thread_nr);
+ if (args == NULL)
+ goto free_threads;
+
+ num_per_thread = n / thread_nr;
+ m = n % thread_nr;
+ for (i = 0; i < thread_nr; i++) {
+ args[i].tool = tool;
+ args[i].process = process;
+ args[i].machine = machine;
+ args[i].mmap_data = mmap_data;
+ args[i].dirent = dirent;
+ }
+ for (i = 0; i < m; i++) {
+ args[i].num = num_per_thread + 1;
+ args[i].start = i * args[i].num;
+ }
+ if (i != 0)
+ base = args[i-1].start + args[i-1].num;
+ for (j = i; j < thread_nr; j++) {
+ args[j].num = num_per_thread;
+ args[j].start = base + (j - i) * args[i].num;
+ }
+
+ for (i = 0; i < thread_nr; i++) {
+ if (pthread_create(&synthesize_threads[i], NULL,
+ synthesize_threads_worker, &args[i]))
+ goto out_join;
+ }
+ err = 0;
+out_join:
+ for (i = 0; i < thread_nr; i++)
+ pthread_join(synthesize_threads[i], NULL);
+ free(args);
+free_threads:
+ free(synthesize_threads);
+free_dirent:
+ for (i = 0; i < n; i++)
+ zfree(&dirent[i]);
+ free(dirent);
+
+ return err;
+}
+
+int __weak perf_event__synthesize_extra_kmaps(struct perf_tool *tool __maybe_unused,
+ perf_event__handler_t process __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ return 0;
+}
+
+static int __perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ size_t size;
+ struct map *map = machine__kernel_map(machine);
+ struct kmap *kmap;
+ int err;
+ union perf_event *event;
+
+ if (map == NULL)
+ return -1;
+
+ kmap = map__kmap(map);
+ if (!kmap->ref_reloc_sym)
+ return -1;
+
+ /*
+ * We should get this from /sys/kernel/sections/.text, but till that is
+ * available use this, and after it is use this as a fallback for older
+ * kernels.
+ */
+ event = zalloc((sizeof(event->mmap) + machine->id_hdr_size));
+ if (event == NULL) {
+ pr_debug("Not enough memory synthesizing mmap event "
+ "for kernel modules\n");
+ return -1;
+ }
+
+ if (machine__is_host(machine)) {
+ /*
+ * kernel uses PERF_RECORD_MISC_USER for user space maps,
+ * see kernel/perf_event.c __perf_event_mmap
+ */
+ event->header.misc = PERF_RECORD_MISC_KERNEL;
+ } else {
+ event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
+ }
+
+ size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
+ "%s%s", machine->mmap_name, kmap->ref_reloc_sym->name) + 1;
+ size = PERF_ALIGN(size, sizeof(u64));
+ event->mmap.header.type = PERF_RECORD_MMAP;
+ event->mmap.header.size = (sizeof(event->mmap) -
+ (sizeof(event->mmap.filename) - size) + machine->id_hdr_size);
+ event->mmap.pgoff = kmap->ref_reloc_sym->addr;
+ event->mmap.start = map->start;
+ event->mmap.len = map->end - event->mmap.start;
+ event->mmap.pid = machine->pid;
+
+ err = perf_tool__process_synth_event(tool, event, machine, process);
+ free(event);
+
+ return err;
+}
+
+int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ int err;
+
+ err = __perf_event__synthesize_kernel_mmap(tool, process, machine);
+ if (err < 0)
+ return err;
+
+ return perf_event__synthesize_extra_kmaps(tool, process, machine);
+}
+
+int perf_event__synthesize_thread_map2(struct perf_tool *tool,
+ struct perf_thread_map *threads,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ union perf_event *event;
+ int i, err, size;
+
+ size = sizeof(event->thread_map);
+ size += threads->nr * sizeof(event->thread_map.entries[0]);
+
+ event = zalloc(size);
+ if (!event)
+ return -ENOMEM;
+
+ event->header.type = PERF_RECORD_THREAD_MAP;
+ event->header.size = size;
+ event->thread_map.nr = threads->nr;
+
+ for (i = 0; i < threads->nr; i++) {
+ struct perf_record_thread_map_entry *entry = &event->thread_map.entries[i];
+ char *comm = perf_thread_map__comm(threads, i);
+
+ if (!comm)
+ comm = (char *) "";
+
+ entry->pid = perf_thread_map__pid(threads, i);
+ strncpy((char *) &entry->comm, comm, sizeof(entry->comm));
+ }
+
+ err = process(tool, event, NULL, machine);
+
+ free(event);
+ return err;
+}
+
+static void synthesize_cpus(struct cpu_map_entries *cpus,
+ struct perf_cpu_map *map)
+{
+ int i;
+
+ cpus->nr = map->nr;
+
+ for (i = 0; i < map->nr; i++)
+ cpus->cpu[i] = map->map[i];
+}
+
+static void synthesize_mask(struct perf_record_record_cpu_map *mask,
+ struct perf_cpu_map *map, int max)
+{
+ int i;
+
+ mask->nr = BITS_TO_LONGS(max);
+ mask->long_size = sizeof(long);
+
+ for (i = 0; i < map->nr; i++)
+ set_bit(map->map[i], mask->mask);
+}
+
+static size_t cpus_size(struct perf_cpu_map *map)
+{
+ return sizeof(struct cpu_map_entries) + map->nr * sizeof(u16);
+}
+
+static size_t mask_size(struct perf_cpu_map *map, int *max)
+{
+ int i;
+
+ *max = 0;
+
+ for (i = 0; i < map->nr; i++) {
+ /* bit possition of the cpu is + 1 */
+ int bit = map->map[i] + 1;
+
+ if (bit > *max)
+ *max = bit;
+ }
+
+ return sizeof(struct perf_record_record_cpu_map) + BITS_TO_LONGS(*max) * sizeof(long);
+}
+
+void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max)
+{
+ size_t size_cpus, size_mask;
+ bool is_dummy = perf_cpu_map__empty(map);
+
+ /*
+ * Both array and mask data have variable size based
+ * on the number of cpus and their actual values.
+ * The size of the 'struct perf_record_cpu_map_data' is:
+ *
+ * array = size of 'struct cpu_map_entries' +
+ * number of cpus * sizeof(u64)
+ *
+ * mask = size of 'struct perf_record_record_cpu_map' +
+ * maximum cpu bit converted to size of longs
+ *
+ * and finaly + the size of 'struct perf_record_cpu_map_data'.
+ */
+ size_cpus = cpus_size(map);
+ size_mask = mask_size(map, max);
+
+ if (is_dummy || (size_cpus < size_mask)) {
+ *size += size_cpus;
+ *type = PERF_CPU_MAP__CPUS;
+ } else {
+ *size += size_mask;
+ *type = PERF_CPU_MAP__MASK;
+ }
+
+ *size += sizeof(struct perf_record_cpu_map_data);
+ *size = PERF_ALIGN(*size, sizeof(u64));
+ return zalloc(*size);
+}
+
+void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
+ u16 type, int max)
+{
+ data->type = type;
+
+ switch (type) {
+ case PERF_CPU_MAP__CPUS:
+ synthesize_cpus((struct cpu_map_entries *) data->data, map);
+ break;
+ case PERF_CPU_MAP__MASK:
+ synthesize_mask((struct perf_record_record_cpu_map *)data->data, map, max);
+ default:
+ break;
+ };
+}
+
+static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
+{
+ size_t size = sizeof(struct perf_record_cpu_map);
+ struct perf_record_cpu_map *event;
+ int max;
+ u16 type;
+
+ event = cpu_map_data__alloc(map, &size, &type, &max);
+ if (!event)
+ return NULL;
+
+ event->header.type = PERF_RECORD_CPU_MAP;
+ event->header.size = size;
+ event->data.type = type;
+
+ cpu_map_data__synthesize(&event->data, map, type, max);
+ return event;
+}
+
+int perf_event__synthesize_cpu_map(struct perf_tool *tool,
+ struct perf_cpu_map *map,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ struct perf_record_cpu_map *event;
+ int err;
+
+ event = cpu_map_event__new(map);
+ if (!event)
+ return -ENOMEM;
+
+ err = process(tool, (union perf_event *) event, NULL, machine);
+
+ free(event);
+ return err;
+}
+
+int perf_event__synthesize_stat_config(struct perf_tool *tool,
+ struct perf_stat_config *config,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ struct perf_record_stat_config *event;
+ int size, i = 0, err;
+
+ size = sizeof(*event);
+ size += (PERF_STAT_CONFIG_TERM__MAX * sizeof(event->data[0]));
+
+ event = zalloc(size);
+ if (!event)
+ return -ENOMEM;
+
+ event->header.type = PERF_RECORD_STAT_CONFIG;
+ event->header.size = size;
+ event->nr = PERF_STAT_CONFIG_TERM__MAX;
+
+#define ADD(__term, __val) \
+ event->data[i].tag = PERF_STAT_CONFIG_TERM__##__term; \
+ event->data[i].val = __val; \
+ i++;
+
+ ADD(AGGR_MODE, config->aggr_mode)
+ ADD(INTERVAL, config->interval)
+ ADD(SCALE, config->scale)
+
+ WARN_ONCE(i != PERF_STAT_CONFIG_TERM__MAX,
+ "stat config terms unbalanced\n");
+#undef ADD
+
+ err = process(tool, (union perf_event *) event, NULL, machine);
+
+ free(event);
+ return err;
+}
+
+int perf_event__synthesize_stat(struct perf_tool *tool,
+ u32 cpu, u32 thread, u64 id,
+ struct perf_counts_values *count,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ struct perf_record_stat event;
+
+ event.header.type = PERF_RECORD_STAT;
+ event.header.size = sizeof(event);
+ event.header.misc = 0;
+
+ event.id = id;
+ event.cpu = cpu;
+ event.thread = thread;
+ event.val = count->val;
+ event.ena = count->ena;
+ event.run = count->run;
+
+ return process(tool, (union perf_event *) &event, NULL, machine);
+}
+
+int perf_event__synthesize_stat_round(struct perf_tool *tool,
+ u64 evtime, u64 type,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ struct perf_record_stat_round event;
+
+ event.header.type = PERF_RECORD_STAT_ROUND;
+ event.header.size = sizeof(event);
+ event.header.misc = 0;
+
+ event.time = evtime;
+ event.type = type;
+
+ return process(tool, (union perf_event *) &event, NULL, machine);
+}
+
+size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format)
+{
+ size_t sz, result = sizeof(struct perf_record_sample);
+
+ if (type & PERF_SAMPLE_IDENTIFIER)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_IP)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_TID)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_TIME)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_ADDR)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_ID)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_STREAM_ID)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_CPU)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_PERIOD)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_READ) {
+ result += sizeof(u64);
+ if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
+ result += sizeof(u64);
+ if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
+ result += sizeof(u64);
+ /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
+ if (read_format & PERF_FORMAT_GROUP) {
+ sz = sample->read.group.nr *
+ sizeof(struct sample_read_value);
+ result += sz;
+ } else {
+ result += sizeof(u64);
+ }
+ }
+
+ if (type & PERF_SAMPLE_CALLCHAIN) {
+ sz = (sample->callchain->nr + 1) * sizeof(u64);
+ result += sz;
+ }
+
+ if (type & PERF_SAMPLE_RAW) {
+ result += sizeof(u32);
+ result += sample->raw_size;
+ }
+
+ if (type & PERF_SAMPLE_BRANCH_STACK) {
+ sz = sample->branch_stack->nr * sizeof(struct branch_entry);
+ sz += sizeof(u64);
+ result += sz;
+ }
+
+ if (type & PERF_SAMPLE_REGS_USER) {
+ if (sample->user_regs.abi) {
+ result += sizeof(u64);
+ sz = hweight64(sample->user_regs.mask) * sizeof(u64);
+ result += sz;
+ } else {
+ result += sizeof(u64);
+ }
+ }
+
+ if (type & PERF_SAMPLE_STACK_USER) {
+ sz = sample->user_stack.size;
+ result += sizeof(u64);
+ if (sz) {
+ result += sz;
+ result += sizeof(u64);
+ }
+ }
+
+ if (type & PERF_SAMPLE_WEIGHT)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_DATA_SRC)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_TRANSACTION)
+ result += sizeof(u64);
+
+ if (type & PERF_SAMPLE_REGS_INTR) {
+ if (sample->intr_regs.abi) {
+ result += sizeof(u64);
+ sz = hweight64(sample->intr_regs.mask) * sizeof(u64);
+ result += sz;
+ } else {
+ result += sizeof(u64);
+ }
+ }
+
+ if (type & PERF_SAMPLE_PHYS_ADDR)
+ result += sizeof(u64);
+
+ return result;
+}
+
+int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format,
+ const struct perf_sample *sample)
+{
+ __u64 *array;
+ size_t sz;
+ /*
+ * used for cross-endian analysis. See git commit 65014ab3
+ * for why this goofiness is needed.
+ */
+ union u64_swap u;
+
+ array = event->sample.array;
+
+ if (type & PERF_SAMPLE_IDENTIFIER) {
+ *array = sample->id;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_IP) {
+ *array = sample->ip;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_TID) {
+ u.val32[0] = sample->pid;
+ u.val32[1] = sample->tid;
+ *array = u.val64;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_TIME) {
+ *array = sample->time;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_ADDR) {
+ *array = sample->addr;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_ID) {
+ *array = sample->id;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_STREAM_ID) {
+ *array = sample->stream_id;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_CPU) {
+ u.val32[0] = sample->cpu;
+ u.val32[1] = 0;
+ *array = u.val64;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_PERIOD) {
+ *array = sample->period;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_READ) {
+ if (read_format & PERF_FORMAT_GROUP)
+ *array = sample->read.group.nr;
+ else
+ *array = sample->read.one.value;
+ array++;
+
+ if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
+ *array = sample->read.time_enabled;
+ array++;
+ }
+
+ if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
+ *array = sample->read.time_running;
+ array++;
+ }
+
+ /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
+ if (read_format & PERF_FORMAT_GROUP) {
+ sz = sample->read.group.nr *
+ sizeof(struct sample_read_value);
+ memcpy(array, sample->read.group.values, sz);
+ array = (void *)array + sz;
+ } else {
+ *array = sample->read.one.id;
+ array++;
+ }
+ }
+
+ if (type & PERF_SAMPLE_CALLCHAIN) {
+ sz = (sample->callchain->nr + 1) * sizeof(u64);
+ memcpy(array, sample->callchain, sz);
+ array = (void *)array + sz;
+ }
+
+ if (type & PERF_SAMPLE_RAW) {
+ u.val32[0] = sample->raw_size;
+ *array = u.val64;
+ array = (void *)array + sizeof(u32);
+
+ memcpy(array, sample->raw_data, sample->raw_size);
+ array = (void *)array + sample->raw_size;
+ }
+
+ if (type & PERF_SAMPLE_BRANCH_STACK) {
+ sz = sample->branch_stack->nr * sizeof(struct branch_entry);
+ sz += sizeof(u64);
+ memcpy(array, sample->branch_stack, sz);
+ array = (void *)array + sz;
+ }
+
+ if (type & PERF_SAMPLE_REGS_USER) {
+ if (sample->user_regs.abi) {
+ *array++ = sample->user_regs.abi;
+ sz = hweight64(sample->user_regs.mask) * sizeof(u64);
+ memcpy(array, sample->user_regs.regs, sz);
+ array = (void *)array + sz;
+ } else {
+ *array++ = 0;
+ }
+ }
+
+ if (type & PERF_SAMPLE_STACK_USER) {
+ sz = sample->user_stack.size;
+ *array++ = sz;
+ if (sz) {
+ memcpy(array, sample->user_stack.data, sz);
+ array = (void *)array + sz;
+ *array++ = sz;
+ }
+ }
+
+ if (type & PERF_SAMPLE_WEIGHT) {
+ *array = sample->weight;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_DATA_SRC) {
+ *array = sample->data_src;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_TRANSACTION) {
+ *array = sample->transaction;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_REGS_INTR) {
+ if (sample->intr_regs.abi) {
+ *array++ = sample->intr_regs.abi;
+ sz = hweight64(sample->intr_regs.mask) * sizeof(u64);
+ memcpy(array, sample->intr_regs.regs, sz);
+ array = (void *)array + sz;
+ } else {
+ *array++ = 0;
+ }
+ }
+
+ if (type & PERF_SAMPLE_PHYS_ADDR) {
+ *array = sample->phys_addr;
+ array++;
+ }
+
+ return 0;
+}
+
+int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process,
+ struct evlist *evlist, struct machine *machine)
+{
+ union perf_event *ev;
+ struct evsel *evsel;
+ size_t nr = 0, i = 0, sz, max_nr, n;
+ int err;
+
+ pr_debug2("Synthesizing id index\n");
+
+ max_nr = (UINT16_MAX - sizeof(struct perf_record_id_index)) /
+ sizeof(struct id_index_entry);
+
+ evlist__for_each_entry(evlist, evsel)
+ nr += evsel->ids;
+
+ n = nr > max_nr ? max_nr : nr;
+ sz = sizeof(struct perf_record_id_index) + n * sizeof(struct id_index_entry);
+ ev = zalloc(sz);
+ if (!ev)
+ return -ENOMEM;
+
+ ev->id_index.header.type = PERF_RECORD_ID_INDEX;
+ ev->id_index.header.size = sz;
+ ev->id_index.nr = n;
+
+ evlist__for_each_entry(evlist, evsel) {
+ u32 j;
+
+ for (j = 0; j < evsel->ids; j++) {
+ struct id_index_entry *e;
+ struct perf_sample_id *sid;
+
+ if (i >= n) {
+ err = process(tool, ev, NULL, machine);
+ if (err)
+ goto out_err;
+ nr -= n;
+ i = 0;
+ }
+
+ e = &ev->id_index.entries[i++];
+
+ e->id = evsel->id[j];
+
+ sid = perf_evlist__id2sid(evlist, e->id);
+ if (!sid) {
+ free(ev);
+ return -ENOENT;
+ }
+
+ e->idx = sid->idx;
+ e->cpu = sid->cpu;
+ e->tid = sid->tid;
+ }
+ }
+
+ sz = sizeof(struct perf_record_id_index) + nr * sizeof(struct id_index_entry);
+ ev->id_index.header.size = sz;
+ ev->id_index.nr = nr;
+
+ err = process(tool, ev, NULL, machine);
+out_err:
+ free(ev);
+
+ return err;
+}
+
+int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+ struct target *target, struct perf_thread_map *threads,
+ perf_event__handler_t process, bool data_mmap,
+ unsigned int nr_threads_synthesize)
+{
+ if (target__has_task(target))
+ return perf_event__synthesize_thread_map(tool, threads, process, machine, data_mmap);
+ else if (target__has_cpu(target))
+ return perf_event__synthesize_threads(tool, process,
+ machine, data_mmap,
+ nr_threads_synthesize);
+ /* command specified */
+ return 0;
+}
+
+int machine__synthesize_threads(struct machine *machine, struct target *target,
+ struct perf_thread_map *threads, bool data_mmap,
+ unsigned int nr_threads_synthesize)
+{
+ return __machine__synthesize_threads(machine, NULL, target, threads,
+ perf_event__process, data_mmap,
+ nr_threads_synthesize);
+}
+
+static struct perf_record_event_update *event_update_event__new(size_t size, u64 type, u64 id)
+{
+ struct perf_record_event_update *ev;
+
+ size += sizeof(*ev);
+ size = PERF_ALIGN(size, sizeof(u64));
+
+ ev = zalloc(size);
+ if (ev) {
+ ev->header.type = PERF_RECORD_EVENT_UPDATE;
+ ev->header.size = (u16)size;
+ ev->type = type;
+ ev->id = id;
+ }
+ return ev;
+}
+
+int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel,
+ perf_event__handler_t process)
+{
+ size_t size = strlen(evsel->unit);
+ struct perf_record_event_update *ev;
+ int err;
+
+ ev = event_update_event__new(size + 1, PERF_EVENT_UPDATE__UNIT, evsel->id[0]);
+ if (ev == NULL)
+ return -ENOMEM;
+
+ strlcpy(ev->data, evsel->unit, size + 1);
+ err = process(tool, (union perf_event *)ev, NULL, NULL);
+ free(ev);
+ return err;
+}
+
+int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel,
+ perf_event__handler_t process)
+{
+ struct perf_record_event_update *ev;
+ struct perf_record_event_update_scale *ev_data;
+ int err;
+
+ ev = event_update_event__new(sizeof(*ev_data), PERF_EVENT_UPDATE__SCALE, evsel->id[0]);
+ if (ev == NULL)
+ return -ENOMEM;
+
+ ev_data = (struct perf_record_event_update_scale *)ev->data;
+ ev_data->scale = evsel->scale;
+ err = process(tool, (union perf_event *)ev, NULL, NULL);
+ free(ev);
+ return err;
+}
+
+int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel,
+ perf_event__handler_t process)
+{
+ struct perf_record_event_update *ev;
+ size_t len = strlen(evsel->name);
+ int err;
+
+ ev = event_update_event__new(len + 1, PERF_EVENT_UPDATE__NAME, evsel->id[0]);
+ if (ev == NULL)
+ return -ENOMEM;
+
+ strlcpy(ev->data, evsel->name, len + 1);
+ err = process(tool, (union perf_event *)ev, NULL, NULL);
+ free(ev);
+ return err;
+}
+
+int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel,
+ perf_event__handler_t process)
+{
+ size_t size = sizeof(struct perf_record_event_update);
+ struct perf_record_event_update *ev;
+ int max, err;
+ u16 type;
+
+ if (!evsel->core.own_cpus)
+ return 0;
+
+ ev = cpu_map_data__alloc(evsel->core.own_cpus, &size, &type, &max);
+ if (!ev)
+ return -ENOMEM;
+
+ ev->header.type = PERF_RECORD_EVENT_UPDATE;
+ ev->header.size = (u16)size;
+ ev->type = PERF_EVENT_UPDATE__CPUS;
+ ev->id = evsel->id[0];
+
+ cpu_map_data__synthesize((struct perf_record_cpu_map_data *)ev->data,
+ evsel->core.own_cpus, type, max);
+
+ err = process(tool, (union perf_event *)ev, NULL, NULL);
+ free(ev);
+ return err;
+}
+
+int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist,
+ perf_event__handler_t process)
+{
+ struct evsel *evsel;
+ int err = 0;
+
+ evlist__for_each_entry(evlist, evsel) {
+ err = perf_event__synthesize_attr(tool, &evsel->core.attr, evsel->ids,
+ evsel->id, process);
+ if (err) {
+ pr_debug("failed to create perf header attribute\n");
+ return err;
+ }
+ }
+
+ return err;
+}
+
+static bool has_unit(struct evsel *evsel)
+{
+ return evsel->unit && *evsel->unit;
+}
+
+static bool has_scale(struct evsel *evsel)
+{
+ return evsel->scale != 1;
+}
+
+int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list,
+ perf_event__handler_t process, bool is_pipe)
+{
+ struct evsel *evsel;
+ int err;
+
+ /*
+ * Synthesize other events stuff not carried within
+ * attr event - unit, scale, name
+ */
+ evlist__for_each_entry(evsel_list, evsel) {
+ if (!evsel->supported)
+ continue;
+
+ /*
+ * Synthesize unit and scale only if it's defined.
+ */
+ if (has_unit(evsel)) {
+ err = perf_event__synthesize_event_update_unit(tool, evsel, process);
+ if (err < 0) {
+ pr_err("Couldn't synthesize evsel unit.\n");
+ return err;
+ }
+ }
+
+ if (has_scale(evsel)) {
+ err = perf_event__synthesize_event_update_scale(tool, evsel, process);
+ if (err < 0) {
+ pr_err("Couldn't synthesize evsel evsel.\n");
+ return err;
+ }
+ }
+
+ if (evsel->core.own_cpus) {
+ err = perf_event__synthesize_event_update_cpus(tool, evsel, process);
+ if (err < 0) {
+ pr_err("Couldn't synthesize evsel cpus.\n");
+ return err;
+ }
+ }
+
+ /*
+ * Name is needed only for pipe output,
+ * perf.data carries event names.
+ */
+ if (is_pipe) {
+ err = perf_event__synthesize_event_update_name(tool, evsel, process);
+ if (err < 0) {
+ pr_err("Couldn't synthesize evsel name.\n");
+ return err;
+ }
+ }
+ }
+ return 0;
+}
+
+int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr,
+ u32 ids, u64 *id, perf_event__handler_t process)
+{
+ union perf_event *ev;
+ size_t size;
+ int err;
+
+ size = sizeof(struct perf_event_attr);
+ size = PERF_ALIGN(size, sizeof(u64));
+ size += sizeof(struct perf_event_header);
+ size += ids * sizeof(u64);
+
+ ev = zalloc(size);
+
+ if (ev == NULL)
+ return -ENOMEM;
+
+ ev->attr.attr = *attr;
+ memcpy(ev->attr.id, id, ids * sizeof(u64));
+
+ ev->attr.header.type = PERF_RECORD_HEADER_ATTR;
+ ev->attr.header.size = (u16)size;
+
+ if (ev->attr.header.size == size)
+ err = process(tool, ev, NULL, NULL);
+ else
+ err = -E2BIG;
+
+ free(ev);
+
+ return err;
+}
+
+int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist,
+ perf_event__handler_t process)
+{
+ union perf_event ev;
+ struct tracing_data *tdata;
+ ssize_t size = 0, aligned_size = 0, padding;
+ struct feat_fd ff;
+
+ /*
+ * We are going to store the size of the data followed
+ * by the data contents. Since the fd descriptor is a pipe,
+ * we cannot seek back to store the size of the data once
+ * we know it. Instead we:
+ *
+ * - write the tracing data to the temp file
+ * - get/write the data size to pipe
+ * - write the tracing data from the temp file
+ * to the pipe
+ */
+ tdata = tracing_data_get(&evlist->core.entries, fd, true);
+ if (!tdata)
+ return -1;
+
+ memset(&ev, 0, sizeof(ev));
+
+ ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;
+ size = tdata->size;
+ aligned_size = PERF_ALIGN(size, sizeof(u64));
+ padding = aligned_size - size;
+ ev.tracing_data.header.size = sizeof(ev.tracing_data);
+ ev.tracing_data.size = aligned_size;
+
+ process(tool, &ev, NULL, NULL);
+
+ /*
+ * The put function will copy all the tracing data
+ * stored in temp file to the pipe.
+ */
+ tracing_data_put(tdata);
+
+ ff = (struct feat_fd){ .fd = fd };
+ if (write_padded(&ff, NULL, 0, padding))
+ return -1;
+
+ return aligned_size;
+}
+
+int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc,
+ perf_event__handler_t process, struct machine *machine)
+{
+ union perf_event ev;
+ size_t len;
+
+ if (!pos->hit)
+ return 0;
+
+ memset(&ev, 0, sizeof(ev));
+
+ len = pos->long_name_len + 1;
+ len = PERF_ALIGN(len, NAME_ALIGN);
+ memcpy(&ev.build_id.build_id, pos->build_id, sizeof(pos->build_id));
+ ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;
+ ev.build_id.header.misc = misc;
+ ev.build_id.pid = machine->pid;
+ ev.build_id.header.size = sizeof(ev.build_id) + len;
+ memcpy(&ev.build_id.filename, pos->long_name, pos->long_name_len);
+
+ return process(tool, &ev, NULL, machine);
+}
+
+int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool,
+ struct evlist *evlist, perf_event__handler_t process, bool attrs)
+{
+ int err;
+
+ if (attrs) {
+ err = perf_event__synthesize_attrs(tool, evlist, process);
+ if (err < 0) {
+ pr_err("Couldn't synthesize attrs.\n");
+ return err;
+ }
+ }
+
+ err = perf_event__synthesize_extra_attr(tool, evlist, process, attrs);
+ err = perf_event__synthesize_thread_map2(tool, evlist->core.threads, process, NULL);
+ if (err < 0) {
+ pr_err("Couldn't synthesize thread map.\n");
+ return err;
+ }
+
+ err = perf_event__synthesize_cpu_map(tool, evlist->core.cpus, process, NULL);
+ if (err < 0) {
+ pr_err("Couldn't synthesize thread map.\n");
+ return err;
+ }
+
+ err = perf_event__synthesize_stat_config(tool, config, process, NULL);
+ if (err < 0) {
+ pr_err("Couldn't synthesize config.\n");
+ return err;
+ }
+
+ return 0;
+}
+
+int __weak perf_event__synth_time_conv(const struct perf_event_mmap_page *pc __maybe_unused,
+ struct perf_tool *tool __maybe_unused,
+ perf_event__handler_t process __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ return 0;
+}
+
+extern const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE];
+
+int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session,
+ struct evlist *evlist, perf_event__handler_t process)
+{
+ struct perf_header *header = &session->header;
+ struct perf_record_header_feature *fe;
+ struct feat_fd ff;
+ size_t sz, sz_hdr;
+ int feat, ret;
+
+ sz_hdr = sizeof(fe->header);
+ sz = sizeof(union perf_event);
+ /* get a nice alignment */
+ sz = PERF_ALIGN(sz, page_size);
+
+ memset(&ff, 0, sizeof(ff));
+
+ ff.buf = malloc(sz);
+ if (!ff.buf)
+ return -ENOMEM;
+
+ ff.size = sz - sz_hdr;
+ ff.ph = &session->header;
+
+ for_each_set_bit(feat, header->adds_features, HEADER_FEAT_BITS) {
+ if (!feat_ops[feat].synthesize) {
+ pr_debug("No record header feature for header :%d\n", feat);
+ continue;
+ }
+
+ ff.offset = sizeof(*fe);
+
+ ret = feat_ops[feat].write(&ff, evlist);
+ if (ret || ff.offset <= (ssize_t)sizeof(*fe)) {
+ pr_debug("Error writing feature\n");
+ continue;
+ }
+ /* ff.buf may have changed due to realloc in do_write() */
+ fe = ff.buf;
+ memset(fe, 0, sizeof(*fe));
+
+ fe->feat_id = feat;
+ fe->header.type = PERF_RECORD_HEADER_FEATURE;
+ fe->header.size = ff.offset;
+
+ ret = process(tool, ff.buf, NULL, NULL);
+ if (ret) {
+ free(ff.buf);
+ return ret;
+ }
+ }
+
+ /* Send HEADER_LAST_FEATURE mark. */
+ fe = ff.buf;
+ fe->feat_id = HEADER_LAST_FEATURE;
+ fe->header.type = PERF_RECORD_HEADER_FEATURE;
+ fe->header.size = sizeof(*fe);
+
+ ret = process(tool, ff.buf, NULL, NULL);
+
+ free(ff.buf);
+ return ret;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_SYNTHETIC_EVENTS_H
+#define __PERF_SYNTHETIC_EVENTS_H
+
+#include <stdbool.h>
+#include <sys/types.h> // pid_t
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+struct auxtrace_record;
+struct dso;
+struct evlist;
+struct evsel;
+struct machine;
+struct perf_counts_values;
+struct perf_cpu_map;
+struct perf_event_attr;
+struct perf_event_mmap_page;
+struct perf_sample;
+struct perf_session;
+struct perf_stat_config;
+struct perf_thread_map;
+struct perf_tool;
+struct record_opts;
+struct target;
+
+union perf_event;
+
+typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine);
+
+int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
+int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
+int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_cpu_map(struct perf_tool *tool, struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
+int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
+int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
+int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
+int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe);
+int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process);
+int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine);
+int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_mmap_events(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine, bool mmap_data);
+int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_namespaces(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample);
+int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process, bool attrs);
+int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_stat(struct perf_tool *tool, u32 cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool mmap_data);
+int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int nr_threads_synthesize);
+int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
+int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
+pid_t perf_event__synthesize_comm(struct perf_tool *tool, union perf_event *event, pid_t pid, perf_event__handler_t process, struct machine *machine);
+
+int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process);
+
+size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format);
+
+int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+ struct target *target, struct perf_thread_map *threads,
+ perf_event__handler_t process, bool data_mmap,
+ unsigned int nr_threads_synthesize);
+int machine__synthesize_threads(struct machine *machine, struct target *target,
+ struct perf_thread_map *threads, bool data_mmap,
+ unsigned int nr_threads_synthesize);
+
+#ifdef HAVE_AUXTRACE_SUPPORT
+int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, struct perf_tool *tool,
+ struct perf_session *session, perf_event__handler_t process);
+
+#else // HAVE_AUXTRACE_SUPPORT
+
+#include <errno.h>
+
+static inline int
+perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
+ struct perf_tool *tool __maybe_unused,
+ struct perf_session *session __maybe_unused,
+ perf_event__handler_t process __maybe_unused)
+{
+ return -EINVAL;
+}
+#endif // HAVE_AUXTRACE_SUPPORT
+
+#ifdef HAVE_LIBBPF_SUPPORT
+int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process,
+ struct machine *machine, struct record_opts *opts);
+#else // HAVE_LIBBPF_SUPPORT
+static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
+ perf_event__handler_t process __maybe_unused,
+ struct machine *machine __maybe_unused,
+ struct record_opts *opts __maybe_unused)
+{
+ return 0;
+}
+#endif // HAVE_LIBBPF_SUPPORT
+
+#endif // __PERF_SYNTHETIC_EVENTS_H
*/
#include "target.h"
-#include "util.h"
-#include "debug.h"
#include <pwd.h>
#include <stdio.h>
* Refactored from builtin-top.c, see that files for further copyright notes.
*/
-#include "cpumap.h"
#include "event.h"
#include "evlist.h"
#include "evsel.h"
/*
* Copyright (C) 2008,2009, Steven Rostedt <srostedt@redhat.com>
*/
-#include "util.h"
+#include "util.h" // page_size
#include <dirent.h>
#include <mntent.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
-#include "util.h"
#include "trace-event.h"
#include "debug.h"
#include <api/fs/fs.h>
#include "trace-event.h"
#include "machine.h"
-#include "util.h"
/*
* global trace_event object used by trace_event__tp_format
#include <linux/types.h>
-#include "event.h"
-
struct perf_tsc_conversion {
u16 time_shift;
u32 time_mult;
u64 time_zero;
};
+
struct perf_event_mmap_page;
int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
u64 rdtsc(void);
-struct perf_event_mmap_page;
-struct perf_tool;
-struct machine;
-
-int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc,
- struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine);
-
-#endif
+#endif // __PERF_TSC_H
#include "event.h"
#include "perf_regs.h"
#include "callchain.h"
-#include "util.h"
static char *debuginfo_path;
#include "unwind.h"
#include "map.h"
#include "symbol.h"
-#include "util.h"
#include "debug.h"
#include "asm/bug.h"
#include "dso.h"
* Copyright (C) Linus Torvalds, 2005
*/
#include "util.h"
-#include "debug.h"
#include <stdio.h>
#include <stdlib.h>
#include <linux/compiler.h>
#include "vdso.h"
#include "dso.h"
-#include "util.h"
+#include <internal/lib.h>
#include "map.h"
#include "symbol.h"
#include "machine.h"
#include <sys/mman.h>
#include <zlib.h>
#include <linux/compiler.h>
+#include <internal/lib.h>
#include "util/compress.h"
-#include "util/util.h"
-#include "util/debug.h"
-
#define CHUNK_SIZE 16384