4 #include <subcmd/parse-options.h>
5 #include "util/trace-event.h"
7 #include "util/session.h"
9 #include "util/mem-events.h"
10 #include "util/debug.h"
12 #define MEM_OPERATION_LOAD 0x1
13 #define MEM_OPERATION_STORE 0x2
16 struct perf_tool tool;
17 char const *input_name;
23 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
26 static int parse_record_events(const struct option *opt,
27 const char *str, int unset __maybe_unused)
29 struct perf_mem *mem = *(struct perf_mem **)opt->value;
32 if (strcmp(str, "list")) {
33 if (!perf_mem_events__parse(str)) {
40 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
41 struct perf_mem_event *e = &perf_mem_events[j];
43 fprintf(stderr, "%-13s%-*s%s\n",
46 verbose ? perf_mem_events__name(j) : "",
47 e->supported ? ": available" : "");
52 static const char * const __usage[] = {
53 "perf mem record [<options>] [<command>]",
54 "perf mem record [<options>] -- <command> [<options>]",
58 static const char * const *record_mem_usage = __usage;
60 static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
62 int rec_argc, i = 0, j;
63 const char **rec_argv;
65 bool all_user = false, all_kernel = false;
66 struct option options[] = {
67 OPT_CALLBACK('e', "event", &mem, "event",
68 "event selector. use 'perf mem record -e list' to list available events",
70 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
71 OPT_INCR('v', "verbose", &verbose,
72 "be more verbose (show counter open errors, etc)"),
73 OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"),
74 OPT_BOOLEAN('K', "--all-kernel", &all_kernel, "collect only kernel level data"),
78 argc = parse_options(argc, argv, options, record_mem_usage,
79 PARSE_OPT_STOP_AT_NON_OPTION);
81 rec_argc = argc + 9; /* max number of arguments */
82 rec_argv = calloc(rec_argc + 1, sizeof(char *));
86 rec_argv[i++] = "record";
88 if (mem->operation & MEM_OPERATION_LOAD)
89 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
91 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
96 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
97 if (!perf_mem_events[j].record)
100 if (!perf_mem_events[j].supported) {
101 pr_err("failed: event '%s' not supported\n",
102 perf_mem_events__name(j));
106 rec_argv[i++] = "-e";
107 rec_argv[i++] = perf_mem_events__name(j);
111 rec_argv[i++] = "--all-user";
114 rec_argv[i++] = "--all-kernel";
116 for (j = 0; j < argc; j++, i++)
117 rec_argv[i] = argv[j];
120 pr_debug("calling: record ");
122 while (rec_argv[j]) {
123 pr_debug("%s ", rec_argv[j]);
129 ret = cmd_record(i, rec_argv, NULL);
135 dump_raw_samples(struct perf_tool *tool,
136 union perf_event *event,
137 struct perf_sample *sample,
138 struct machine *machine)
140 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
141 struct addr_location al;
144 if (machine__resolve(machine, &al, sample) < 0) {
145 fprintf(stderr, "problem processing %d event, skipping it.\n",
150 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
154 al.map->dso->hit = 1;
156 if (symbol_conf.field_sep) {
157 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
158 "%s0x%"PRIx64"%s%s:%s\n";
160 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
161 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
162 symbol_conf.field_sep = " ";
167 symbol_conf.field_sep,
169 symbol_conf.field_sep,
171 symbol_conf.field_sep,
173 symbol_conf.field_sep,
175 symbol_conf.field_sep,
177 symbol_conf.field_sep,
178 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
179 al.sym ? al.sym->name : "???");
181 addr_location__put(&al);
185 static int process_sample_event(struct perf_tool *tool,
186 union perf_event *event,
187 struct perf_sample *sample,
188 struct perf_evsel *evsel __maybe_unused,
189 struct machine *machine)
191 return dump_raw_samples(tool, event, sample, machine);
194 static int report_raw_events(struct perf_mem *mem)
196 struct perf_data_file file = {
198 .mode = PERF_DATA_MODE_READ,
202 struct perf_session *session = perf_session__new(&file, false,
209 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
215 ret = symbol__init(&session->header.env);
219 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
221 ret = perf_session__process_events(session);
224 perf_session__delete(session);
228 static int report_events(int argc, const char **argv, struct perf_mem *mem)
230 const char **rep_argv;
231 int ret, i = 0, j, rep_argc;
234 return report_raw_events(mem);
237 rep_argv = calloc(rep_argc + 1, sizeof(char *));
241 rep_argv[i++] = "report";
242 rep_argv[i++] = "--mem-mode";
243 rep_argv[i++] = "-n"; /* display number of samples */
246 * there is no weight (cost) associated with stores, so don't print
249 if (!(mem->operation & MEM_OPERATION_LOAD))
250 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
251 "dso_daddr,tlb,locked";
253 for (j = 1; j < argc; j++, i++)
254 rep_argv[i] = argv[j];
256 ret = cmd_report(i, rep_argv, NULL);
266 #define MEM_OPT(n, m) \
267 { .name = n, .mode = (m) }
269 #define MEM_END { .name = NULL }
271 static const struct mem_mode mem_modes[]={
272 MEM_OPT("load", MEM_OPERATION_LOAD),
273 MEM_OPT("store", MEM_OPERATION_STORE),
278 parse_mem_ops(const struct option *opt, const char *str, int unset)
280 int *mode = (int *)opt->value;
281 const struct mem_mode *m;
282 char *s, *os = NULL, *p;
288 /* str may be NULL in case no arg is passed to -t */
290 /* because str is read-only */
291 s = os = strdup(str);
303 for (m = mem_modes; m->name; m++) {
304 if (!strcasecmp(s, m->name))
308 fprintf(stderr, "unknown sampling op %s,"
309 " check man page\n", s);
324 *mode = MEM_OPERATION_LOAD;
330 int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
333 struct perf_mem mem = {
335 .sample = process_sample_event,
336 .mmap = perf_event__process_mmap,
337 .mmap2 = perf_event__process_mmap2,
338 .comm = perf_event__process_comm,
339 .lost = perf_event__process_lost,
340 .fork = perf_event__process_fork,
341 .build_id = perf_event__process_build_id,
342 .ordered_events = true,
344 .input_name = "perf.data",
346 * default to both load an store sampling
348 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
350 const struct option mem_options[] = {
351 OPT_CALLBACK('t', "type", &mem.operation,
352 "type", "memory operations(load,store) Default load,store",
354 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
355 "dump raw samples in ASCII"),
356 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
357 "Only display entries resolved to a symbol"),
358 OPT_STRING('i', "input", &input_name, "file",
360 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
361 "list of cpus to profile"),
362 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
364 "separator for columns, no spaces will be added"
365 " between columns '.' is reserved."),
366 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
369 const char *const mem_subcommands[] = { "record", "report", NULL };
370 const char *mem_usage[] = {
375 if (perf_mem_events__init()) {
376 pr_err("failed: memory events not supported\n");
380 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
381 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
383 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
384 usage_with_options(mem_usage, mem_options);
386 if (!mem.input_name || !strlen(mem.input_name)) {
387 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
388 mem.input_name = "-";
390 mem.input_name = "perf.data";
393 if (!strncmp(argv[0], "rec", 3))
394 return __cmd_record(argc, argv, &mem);
395 else if (!strncmp(argv[0], "rep", 3))
396 return report_events(argc, argv, &mem);
398 usage_with_options(mem_usage, mem_options);