1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/hw_breakpoint.h>
4 #include <linux/list_sort.h>
5 #include <linux/zalloc.h>
13 #include <subcmd/parse-options.h>
14 #include "parse-events.h"
18 #include <api/fs/tracing_path.h>
19 #include <perf/cpumap.h>
20 #include <util/parse-events-bison.h>
21 #include <util/parse-events-flex.h>
25 #include "util/parse-branch-options.h"
26 #include "util/evsel_config.h"
27 #include "util/event.h"
28 #include "util/bpf-filter.h"
29 #include "util/util.h"
30 #include "tracepoint.h"
32 #define MAX_NAME_LEN 100
35 extern int parse_events_debug;
37 static int get_config_terms(struct parse_events_terms *head_config, struct list_head *head_terms);
38 static int parse_events_terms__copy(const struct parse_events_terms *src,
39 struct parse_events_terms *dest);
41 struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
42 [PERF_COUNT_HW_CPU_CYCLES] = {
43 .symbol = "cpu-cycles",
46 [PERF_COUNT_HW_INSTRUCTIONS] = {
47 .symbol = "instructions",
50 [PERF_COUNT_HW_CACHE_REFERENCES] = {
51 .symbol = "cache-references",
54 [PERF_COUNT_HW_CACHE_MISSES] = {
55 .symbol = "cache-misses",
58 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = {
59 .symbol = "branch-instructions",
62 [PERF_COUNT_HW_BRANCH_MISSES] = {
63 .symbol = "branch-misses",
66 [PERF_COUNT_HW_BUS_CYCLES] = {
67 .symbol = "bus-cycles",
70 [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = {
71 .symbol = "stalled-cycles-frontend",
72 .alias = "idle-cycles-frontend",
74 [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = {
75 .symbol = "stalled-cycles-backend",
76 .alias = "idle-cycles-backend",
78 [PERF_COUNT_HW_REF_CPU_CYCLES] = {
79 .symbol = "ref-cycles",
84 struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
85 [PERF_COUNT_SW_CPU_CLOCK] = {
86 .symbol = "cpu-clock",
89 [PERF_COUNT_SW_TASK_CLOCK] = {
90 .symbol = "task-clock",
93 [PERF_COUNT_SW_PAGE_FAULTS] = {
94 .symbol = "page-faults",
97 [PERF_COUNT_SW_CONTEXT_SWITCHES] = {
98 .symbol = "context-switches",
101 [PERF_COUNT_SW_CPU_MIGRATIONS] = {
102 .symbol = "cpu-migrations",
103 .alias = "migrations",
105 [PERF_COUNT_SW_PAGE_FAULTS_MIN] = {
106 .symbol = "minor-faults",
109 [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = {
110 .symbol = "major-faults",
113 [PERF_COUNT_SW_ALIGNMENT_FAULTS] = {
114 .symbol = "alignment-faults",
117 [PERF_COUNT_SW_EMULATION_FAULTS] = {
118 .symbol = "emulation-faults",
121 [PERF_COUNT_SW_DUMMY] = {
125 [PERF_COUNT_SW_BPF_OUTPUT] = {
126 .symbol = "bpf-output",
129 [PERF_COUNT_SW_CGROUP_SWITCHES] = {
130 .symbol = "cgroup-switches",
135 const char *event_type(int type)
138 case PERF_TYPE_HARDWARE:
141 case PERF_TYPE_SOFTWARE:
144 case PERF_TYPE_TRACEPOINT:
147 case PERF_TYPE_HW_CACHE:
148 return "hardware-cache";
157 static char *get_config_str(struct parse_events_terms *head_terms,
158 enum parse_events__term_type type_term)
160 struct parse_events_term *term;
165 list_for_each_entry(term, &head_terms->terms, list)
166 if (term->type_term == type_term)
167 return term->val.str;
172 static char *get_config_metric_id(struct parse_events_terms *head_terms)
174 return get_config_str(head_terms, PARSE_EVENTS__TERM_TYPE_METRIC_ID);
177 static char *get_config_name(struct parse_events_terms *head_terms)
179 return get_config_str(head_terms, PARSE_EVENTS__TERM_TYPE_NAME);
183 * fix_raw - For each raw term see if there is an event (aka alias) in pmu that
184 * matches the raw's string value. If the string value matches an
185 * event then change the term to be an event, if not then change it to
186 * be a config term. For example, "read" may be an event of the PMU or
187 * a raw hex encoding of 0xead. The fix-up is done late so the PMU of
188 * the event can be determined and we don't need to scan all PMUs
190 * @config_terms: the list of terms that may contain a raw term.
191 * @pmu: the PMU to scan for events from.
193 static void fix_raw(struct parse_events_terms *config_terms, struct perf_pmu *pmu)
195 struct parse_events_term *term;
197 list_for_each_entry(term, &config_terms->terms, list) {
200 if (term->type_term != PARSE_EVENTS__TERM_TYPE_RAW)
203 if (perf_pmu__have_event(pmu, term->val.str)) {
204 zfree(&term->config);
205 term->config = term->val.str;
206 term->type_val = PARSE_EVENTS__TERM_TYPE_NUM;
207 term->type_term = PARSE_EVENTS__TERM_TYPE_USER;
209 term->no_value = true;
213 zfree(&term->config);
214 term->config = strdup("config");
216 num = strtoull(term->val.str + 1, NULL, 16);
219 term->type_val = PARSE_EVENTS__TERM_TYPE_NUM;
220 term->type_term = PARSE_EVENTS__TERM_TYPE_CONFIG;
222 term->no_value = false;
226 static struct evsel *
227 __add_event(struct list_head *list, int *idx,
228 struct perf_event_attr *attr,
230 const char *name, const char *metric_id, struct perf_pmu *pmu,
231 struct list_head *config_terms, bool auto_merge_stats,
232 const char *cpu_list)
235 struct perf_cpu_map *cpus = pmu ? perf_cpu_map__get(pmu->cpus) :
236 cpu_list ? perf_cpu_map__new(cpu_list) : NULL;
239 perf_pmu__warn_invalid_formats(pmu);
241 if (pmu && (attr->type == PERF_TYPE_RAW || attr->type >= PERF_TYPE_MAX)) {
242 perf_pmu__warn_invalid_config(pmu, attr->config, name,
243 PERF_PMU_FORMAT_VALUE_CONFIG, "config");
244 perf_pmu__warn_invalid_config(pmu, attr->config1, name,
245 PERF_PMU_FORMAT_VALUE_CONFIG1, "config1");
246 perf_pmu__warn_invalid_config(pmu, attr->config2, name,
247 PERF_PMU_FORMAT_VALUE_CONFIG2, "config2");
248 perf_pmu__warn_invalid_config(pmu, attr->config3, name,
249 PERF_PMU_FORMAT_VALUE_CONFIG3, "config3");
252 event_attr_init(attr);
254 evsel = evsel__new_idx(attr, *idx);
256 perf_cpu_map__put(cpus);
261 evsel->core.cpus = cpus;
262 evsel->core.own_cpus = perf_cpu_map__get(cpus);
263 evsel->core.requires_cpu = pmu ? pmu->is_uncore : false;
264 evsel->core.is_pmu_core = pmu ? pmu->is_core : false;
265 evsel->auto_merge_stats = auto_merge_stats;
267 evsel->pmu_name = pmu ? strdup(pmu->name) : NULL;
270 evsel->name = strdup(name);
273 evsel->metric_id = strdup(metric_id);
276 list_splice_init(config_terms, &evsel->config_terms);
279 list_add_tail(&evsel->core.node, list);
284 struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr,
285 const char *name, const char *metric_id,
286 struct perf_pmu *pmu)
288 return __add_event(/*list=*/NULL, &idx, attr, /*init_attr=*/false, name,
289 metric_id, pmu, /*config_terms=*/NULL,
290 /*auto_merge_stats=*/false, /*cpu_list=*/NULL);
293 static int add_event(struct list_head *list, int *idx,
294 struct perf_event_attr *attr, const char *name,
295 const char *metric_id, struct list_head *config_terms)
297 return __add_event(list, idx, attr, /*init_attr*/true, name, metric_id,
298 /*pmu=*/NULL, config_terms,
299 /*auto_merge_stats=*/false, /*cpu_list=*/NULL) ? 0 : -ENOMEM;
302 static int add_event_tool(struct list_head *list, int *idx,
303 enum perf_tool_event tool_event)
306 struct perf_event_attr attr = {
307 .type = PERF_TYPE_SOFTWARE,
308 .config = PERF_COUNT_SW_DUMMY,
311 evsel = __add_event(list, idx, &attr, /*init_attr=*/true, /*name=*/NULL,
312 /*metric_id=*/NULL, /*pmu=*/NULL,
313 /*config_terms=*/NULL, /*auto_merge_stats=*/false,
317 evsel->tool_event = tool_event;
318 if (tool_event == PERF_TOOL_DURATION_TIME
319 || tool_event == PERF_TOOL_USER_TIME
320 || tool_event == PERF_TOOL_SYSTEM_TIME) {
321 free((char *)evsel->unit);
322 evsel->unit = strdup("ns");
328 * parse_aliases - search names for entries beginning or equalling str ignoring
329 * case. If mutliple entries in names match str then the longest
331 * @str: The needle to look for.
332 * @names: The haystack to search.
333 * @size: The size of the haystack.
334 * @longest: Out argument giving the length of the matching entry.
336 static int parse_aliases(const char *str, const char *const names[][EVSEL__MAX_ALIASES], int size,
340 for (int i = 0; i < size; i++) {
341 for (int j = 0; j < EVSEL__MAX_ALIASES && names[i][j]; j++) {
342 int n = strlen(names[i][j]);
344 if (n > *longest && !strncasecmp(str, names[i][j], n))
354 typedef int config_term_func_t(struct perf_event_attr *attr,
355 struct parse_events_term *term,
356 struct parse_events_error *err);
357 static int config_term_common(struct perf_event_attr *attr,
358 struct parse_events_term *term,
359 struct parse_events_error *err);
360 static int config_attr(struct perf_event_attr *attr,
361 struct parse_events_terms *head,
362 struct parse_events_error *err,
363 config_term_func_t config_term);
366 * parse_events__decode_legacy_cache - Search name for the legacy cache event
367 * name composed of 1, 2 or 3 hyphen
368 * separated sections. The first section is
369 * the cache type while the others are the
370 * optional op and optional result. To make
371 * life hard the names in the table also
372 * contain hyphens and the longest name
373 * should always be selected.
375 int parse_events__decode_legacy_cache(const char *name, int extended_pmu_type, __u64 *config)
377 int len, cache_type = -1, cache_op = -1, cache_result = -1;
378 const char *name_end = &name[strlen(name) + 1];
379 const char *str = name;
381 cache_type = parse_aliases(str, evsel__hw_cache, PERF_COUNT_HW_CACHE_MAX, &len);
382 if (cache_type == -1)
386 if (str < name_end) {
387 cache_op = parse_aliases(str, evsel__hw_cache_op,
388 PERF_COUNT_HW_CACHE_OP_MAX, &len);
390 if (!evsel__is_cache_op_valid(cache_type, cache_op))
394 cache_result = parse_aliases(str, evsel__hw_cache_result,
395 PERF_COUNT_HW_CACHE_RESULT_MAX, &len);
396 if (cache_result >= 0)
400 if (str < name_end) {
402 cache_op = parse_aliases(str, evsel__hw_cache_op,
403 PERF_COUNT_HW_CACHE_OP_MAX, &len);
405 if (!evsel__is_cache_op_valid(cache_type, cache_op))
408 } else if (cache_result < 0) {
409 cache_result = parse_aliases(str, evsel__hw_cache_result,
410 PERF_COUNT_HW_CACHE_RESULT_MAX, &len);
415 * Fall back to reads:
418 cache_op = PERF_COUNT_HW_CACHE_OP_READ;
421 * Fall back to accesses:
423 if (cache_result == -1)
424 cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS;
426 *config = cache_type | (cache_op << 8) | (cache_result << 16);
427 if (perf_pmus__supports_extended_type())
428 *config |= (__u64)extended_pmu_type << PERF_PMU_TYPE_SHIFT;
433 * parse_events__filter_pmu - returns false if a wildcard PMU should be
434 * considered, true if it should be filtered.
436 bool parse_events__filter_pmu(const struct parse_events_state *parse_state,
437 const struct perf_pmu *pmu)
439 if (parse_state->pmu_filter == NULL)
442 return strcmp(parse_state->pmu_filter, pmu->name) != 0;
445 int parse_events_add_cache(struct list_head *list, int *idx, const char *name,
446 struct parse_events_state *parse_state,
447 struct parse_events_terms *head_config)
449 struct perf_pmu *pmu = NULL;
450 bool found_supported = false;
451 const char *config_name = get_config_name(head_config);
452 const char *metric_id = get_config_metric_id(head_config);
454 /* Legacy cache events are only supported by core PMUs. */
455 while ((pmu = perf_pmus__scan_core(pmu)) != NULL) {
456 LIST_HEAD(config_terms);
457 struct perf_event_attr attr;
460 if (parse_events__filter_pmu(parse_state, pmu))
463 memset(&attr, 0, sizeof(attr));
464 attr.type = PERF_TYPE_HW_CACHE;
466 ret = parse_events__decode_legacy_cache(name, pmu->type, &attr.config);
470 found_supported = true;
473 if (config_attr(&attr, head_config, parse_state->error, config_term_common))
476 if (get_config_terms(head_config, &config_terms))
480 if (__add_event(list, idx, &attr, /*init_attr*/true, config_name ?: name,
481 metric_id, pmu, &config_terms, /*auto_merge_stats=*/false,
482 /*cpu_list=*/NULL) == NULL)
485 free_config_terms(&config_terms);
487 return found_supported ? 0 : -EINVAL;
490 #ifdef HAVE_LIBTRACEEVENT
491 static void tracepoint_error(struct parse_events_error *e, int err,
492 const char *sys, const char *name, int column)
501 * We get error directly from syscall errno ( > 0),
502 * or from encoded pointer's error ( < 0).
508 str = "can't access trace events";
511 str = "unknown tracepoint";
514 str = "failed to add tracepoint";
518 tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name);
519 parse_events_error__handle(e, column, strdup(str), strdup(help));
522 static int add_tracepoint(struct list_head *list, int *idx,
523 const char *sys_name, const char *evt_name,
524 struct parse_events_error *err,
525 struct parse_events_terms *head_config, void *loc_)
528 struct evsel *evsel = evsel__newtp_idx(sys_name, evt_name, (*idx)++);
531 tracepoint_error(err, PTR_ERR(evsel), sys_name, evt_name, loc->first_column);
532 return PTR_ERR(evsel);
536 LIST_HEAD(config_terms);
538 if (get_config_terms(head_config, &config_terms))
540 list_splice(&config_terms, &evsel->config_terms);
543 list_add_tail(&evsel->core.node, list);
547 static int add_tracepoint_multi_event(struct list_head *list, int *idx,
548 const char *sys_name, const char *evt_name,
549 struct parse_events_error *err,
550 struct parse_events_terms *head_config, YYLTYPE *loc)
553 struct dirent *evt_ent;
555 int ret = 0, found = 0;
557 evt_path = get_events_file(sys_name);
559 tracepoint_error(err, errno, sys_name, evt_name, loc->first_column);
562 evt_dir = opendir(evt_path);
564 put_events_file(evt_path);
565 tracepoint_error(err, errno, sys_name, evt_name, loc->first_column);
569 while (!ret && (evt_ent = readdir(evt_dir))) {
570 if (!strcmp(evt_ent->d_name, ".")
571 || !strcmp(evt_ent->d_name, "..")
572 || !strcmp(evt_ent->d_name, "enable")
573 || !strcmp(evt_ent->d_name, "filter"))
576 if (!strglobmatch(evt_ent->d_name, evt_name))
581 ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name,
582 err, head_config, loc);
586 tracepoint_error(err, ENOENT, sys_name, evt_name, loc->first_column);
590 put_events_file(evt_path);
595 static int add_tracepoint_event(struct list_head *list, int *idx,
596 const char *sys_name, const char *evt_name,
597 struct parse_events_error *err,
598 struct parse_events_terms *head_config, YYLTYPE *loc)
600 return strpbrk(evt_name, "*?") ?
601 add_tracepoint_multi_event(list, idx, sys_name, evt_name,
602 err, head_config, loc) :
603 add_tracepoint(list, idx, sys_name, evt_name,
604 err, head_config, loc);
607 static int add_tracepoint_multi_sys(struct list_head *list, int *idx,
608 const char *sys_name, const char *evt_name,
609 struct parse_events_error *err,
610 struct parse_events_terms *head_config, YYLTYPE *loc)
612 struct dirent *events_ent;
616 events_dir = tracing_events__opendir();
618 tracepoint_error(err, errno, sys_name, evt_name, loc->first_column);
622 while (!ret && (events_ent = readdir(events_dir))) {
623 if (!strcmp(events_ent->d_name, ".")
624 || !strcmp(events_ent->d_name, "..")
625 || !strcmp(events_ent->d_name, "enable")
626 || !strcmp(events_ent->d_name, "header_event")
627 || !strcmp(events_ent->d_name, "header_page"))
630 if (!strglobmatch(events_ent->d_name, sys_name))
633 ret = add_tracepoint_event(list, idx, events_ent->d_name,
634 evt_name, err, head_config, loc);
637 closedir(events_dir);
640 #endif /* HAVE_LIBTRACEEVENT */
643 parse_breakpoint_type(const char *type, struct perf_event_attr *attr)
647 for (i = 0; i < 3; i++) {
648 if (!type || !type[i])
651 #define CHECK_SET_TYPE(bit) \
653 if (attr->bp_type & bit) \
656 attr->bp_type |= bit; \
661 CHECK_SET_TYPE(HW_BREAKPOINT_R);
664 CHECK_SET_TYPE(HW_BREAKPOINT_W);
667 CHECK_SET_TYPE(HW_BREAKPOINT_X);
674 #undef CHECK_SET_TYPE
676 if (!attr->bp_type) /* Default */
677 attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W;
682 int parse_events_add_breakpoint(struct parse_events_state *parse_state,
683 struct list_head *list,
684 u64 addr, char *type, u64 len,
685 struct parse_events_terms *head_config)
687 struct perf_event_attr attr;
688 LIST_HEAD(config_terms);
691 memset(&attr, 0, sizeof(attr));
694 if (parse_breakpoint_type(type, &attr))
697 /* Provide some defaults if len is not specified */
699 if (attr.bp_type == HW_BREAKPOINT_X)
702 len = HW_BREAKPOINT_LEN_4;
707 attr.type = PERF_TYPE_BREAKPOINT;
708 attr.sample_period = 1;
711 if (config_attr(&attr, head_config, parse_state->error,
715 if (get_config_terms(head_config, &config_terms))
719 name = get_config_name(head_config);
721 return add_event(list, &parse_state->idx, &attr, name, /*mertic_id=*/NULL,
725 static int check_type_val(struct parse_events_term *term,
726 struct parse_events_error *err,
727 enum parse_events__term_val_type type)
729 if (type == term->type_val)
733 parse_events_error__handle(err, term->err_val,
734 type == PARSE_EVENTS__TERM_TYPE_NUM
735 ? strdup("expected numeric value")
736 : strdup("expected string value"),
742 static bool config_term_shrinked;
744 static const char *config_term_name(enum parse_events__term_type term_type)
747 * Update according to parse-events.l
749 static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = {
750 [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>",
751 [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config",
752 [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1",
753 [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2",
754 [PARSE_EVENTS__TERM_TYPE_CONFIG3] = "config3",
755 [PARSE_EVENTS__TERM_TYPE_NAME] = "name",
756 [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period",
757 [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq",
758 [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type",
759 [PARSE_EVENTS__TERM_TYPE_TIME] = "time",
760 [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph",
761 [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size",
762 [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit",
763 [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit",
764 [PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack",
765 [PARSE_EVENTS__TERM_TYPE_MAX_EVENTS] = "nr",
766 [PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite",
767 [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite",
768 [PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config",
769 [PARSE_EVENTS__TERM_TYPE_PERCORE] = "percore",
770 [PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT] = "aux-output",
771 [PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE] = "aux-sample-size",
772 [PARSE_EVENTS__TERM_TYPE_METRIC_ID] = "metric-id",
773 [PARSE_EVENTS__TERM_TYPE_RAW] = "raw",
774 [PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE] = "legacy-cache",
775 [PARSE_EVENTS__TERM_TYPE_HARDWARE] = "hardware",
777 if ((unsigned int)term_type >= __PARSE_EVENTS__TERM_TYPE_NR)
778 return "unknown term";
780 return config_term_names[term_type];
784 config_term_avail(enum parse_events__term_type term_type, struct parse_events_error *err)
788 if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) {
789 parse_events_error__handle(err, -1,
790 strdup("Invalid term_type"), NULL);
793 if (!config_term_shrinked)
797 case PARSE_EVENTS__TERM_TYPE_CONFIG:
798 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
799 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
800 case PARSE_EVENTS__TERM_TYPE_CONFIG3:
801 case PARSE_EVENTS__TERM_TYPE_NAME:
802 case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
803 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
804 case PARSE_EVENTS__TERM_TYPE_PERCORE:
806 case PARSE_EVENTS__TERM_TYPE_USER:
807 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
808 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
809 case PARSE_EVENTS__TERM_TYPE_TIME:
810 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
811 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
812 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
813 case PARSE_EVENTS__TERM_TYPE_INHERIT:
814 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
815 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
816 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
817 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
818 case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
819 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
820 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
821 case PARSE_EVENTS__TERM_TYPE_RAW:
822 case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE:
823 case PARSE_EVENTS__TERM_TYPE_HARDWARE:
828 /* term_type is validated so indexing is safe */
829 if (asprintf(&err_str, "'%s' is not usable in 'perf stat'",
830 config_term_name(term_type)) >= 0)
831 parse_events_error__handle(err, -1, err_str, NULL);
836 void parse_events__shrink_config_terms(void)
838 config_term_shrinked = true;
841 static int config_term_common(struct perf_event_attr *attr,
842 struct parse_events_term *term,
843 struct parse_events_error *err)
845 #define CHECK_TYPE_VAL(type) \
847 if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \
851 switch (term->type_term) {
852 case PARSE_EVENTS__TERM_TYPE_CONFIG:
854 attr->config = term->val.num;
856 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
858 attr->config1 = term->val.num;
860 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
862 attr->config2 = term->val.num;
864 case PARSE_EVENTS__TERM_TYPE_CONFIG3:
866 attr->config3 = term->val.num;
868 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
871 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
874 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
876 if (strcmp(term->val.str, "no") &&
877 parse_branch_str(term->val.str,
878 &attr->branch_sample_type)) {
879 parse_events_error__handle(err, term->err_val,
880 strdup("invalid branch sample type"),
885 case PARSE_EVENTS__TERM_TYPE_TIME:
887 if (term->val.num > 1) {
888 parse_events_error__handle(err, term->err_val,
889 strdup("expected 0 or 1"),
894 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
897 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
900 case PARSE_EVENTS__TERM_TYPE_INHERIT:
903 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
906 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
909 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
912 case PARSE_EVENTS__TERM_TYPE_NAME:
915 case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
918 case PARSE_EVENTS__TERM_TYPE_RAW:
921 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
924 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
927 case PARSE_EVENTS__TERM_TYPE_PERCORE:
929 if ((unsigned int)term->val.num > 1) {
930 parse_events_error__handle(err, term->err_val,
931 strdup("expected 0 or 1"),
936 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
939 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
941 if (term->val.num > UINT_MAX) {
942 parse_events_error__handle(err, term->err_val,
948 case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
949 case PARSE_EVENTS__TERM_TYPE_USER:
950 case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE:
951 case PARSE_EVENTS__TERM_TYPE_HARDWARE:
953 parse_events_error__handle(err, term->err_term,
954 strdup(config_term_name(term->type_term)),
955 parse_events_formats_error_string(NULL));
960 * Check term availability after basic checking so
961 * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered.
963 * If check availability at the entry of this function,
964 * user will see "'<sysfs term>' is not usable in 'perf stat'"
965 * if an invalid config term is provided for legacy events
966 * (for example, instructions/badterm/...), which is confusing.
968 if (!config_term_avail(term->type_term, err))
971 #undef CHECK_TYPE_VAL
974 static int config_term_pmu(struct perf_event_attr *attr,
975 struct parse_events_term *term,
976 struct parse_events_error *err)
978 if (term->type_term == PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE) {
979 struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type);
984 if (asprintf(&err_str, "Failed to find PMU for type %d", attr->type) >= 0)
985 parse_events_error__handle(err, term->err_term,
986 err_str, /*help=*/NULL);
990 * Rewrite the PMU event to a legacy cache one unless the PMU
991 * doesn't support legacy cache events or the event is present
994 if (perf_pmu__supports_legacy_cache(pmu) &&
995 !perf_pmu__have_event(pmu, term->config)) {
996 attr->type = PERF_TYPE_HW_CACHE;
997 return parse_events__decode_legacy_cache(term->config, pmu->type,
1000 term->type_term = PARSE_EVENTS__TERM_TYPE_USER;
1001 term->no_value = true;
1004 if (term->type_term == PARSE_EVENTS__TERM_TYPE_HARDWARE) {
1005 struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type);
1010 if (asprintf(&err_str, "Failed to find PMU for type %d", attr->type) >= 0)
1011 parse_events_error__handle(err, term->err_term,
1012 err_str, /*help=*/NULL);
1016 * If the PMU has a sysfs or json event prefer it over
1017 * legacy. ARM requires this.
1019 if (perf_pmu__have_event(pmu, term->config)) {
1020 term->type_term = PARSE_EVENTS__TERM_TYPE_USER;
1021 term->no_value = true;
1023 attr->type = PERF_TYPE_HARDWARE;
1024 attr->config = term->val.num;
1025 if (perf_pmus__supports_extended_type())
1026 attr->config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT;
1030 if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER ||
1031 term->type_term == PARSE_EVENTS__TERM_TYPE_DRV_CFG) {
1033 * Always succeed for sysfs terms, as we dont know
1034 * at this point what type they need to have.
1038 return config_term_common(attr, term, err);
1041 #ifdef HAVE_LIBTRACEEVENT
1042 static int config_term_tracepoint(struct perf_event_attr *attr,
1043 struct parse_events_term *term,
1044 struct parse_events_error *err)
1046 switch (term->type_term) {
1047 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
1048 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
1049 case PARSE_EVENTS__TERM_TYPE_INHERIT:
1050 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
1051 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
1052 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
1053 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
1054 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
1055 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
1056 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
1057 return config_term_common(attr, term, err);
1058 case PARSE_EVENTS__TERM_TYPE_USER:
1059 case PARSE_EVENTS__TERM_TYPE_CONFIG:
1060 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
1061 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
1062 case PARSE_EVENTS__TERM_TYPE_CONFIG3:
1063 case PARSE_EVENTS__TERM_TYPE_NAME:
1064 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
1065 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
1066 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
1067 case PARSE_EVENTS__TERM_TYPE_TIME:
1068 case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
1069 case PARSE_EVENTS__TERM_TYPE_PERCORE:
1070 case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
1071 case PARSE_EVENTS__TERM_TYPE_RAW:
1072 case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE:
1073 case PARSE_EVENTS__TERM_TYPE_HARDWARE:
1076 parse_events_error__handle(err, term->err_term,
1077 strdup(config_term_name(term->type_term)),
1078 strdup("valid terms: call-graph,stack-size\n"));
1087 static int config_attr(struct perf_event_attr *attr,
1088 struct parse_events_terms *head,
1089 struct parse_events_error *err,
1090 config_term_func_t config_term)
1092 struct parse_events_term *term;
1094 list_for_each_entry(term, &head->terms, list)
1095 if (config_term(attr, term, err))
1101 static int get_config_terms(struct parse_events_terms *head_config, struct list_head *head_terms)
1103 #define ADD_CONFIG_TERM(__type, __weak) \
1104 struct evsel_config_term *__t; \
1106 __t = zalloc(sizeof(*__t)); \
1110 INIT_LIST_HEAD(&__t->list); \
1111 __t->type = EVSEL__CONFIG_TERM_ ## __type; \
1112 __t->weak = __weak; \
1113 list_add_tail(&__t->list, head_terms)
1115 #define ADD_CONFIG_TERM_VAL(__type, __name, __val, __weak) \
1117 ADD_CONFIG_TERM(__type, __weak); \
1118 __t->val.__name = __val; \
1121 #define ADD_CONFIG_TERM_STR(__type, __val, __weak) \
1123 ADD_CONFIG_TERM(__type, __weak); \
1124 __t->val.str = strdup(__val); \
1125 if (!__t->val.str) { \
1129 __t->free_str = true; \
1132 struct parse_events_term *term;
1134 list_for_each_entry(term, &head_config->terms, list) {
1135 switch (term->type_term) {
1136 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
1137 ADD_CONFIG_TERM_VAL(PERIOD, period, term->val.num, term->weak);
1139 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
1140 ADD_CONFIG_TERM_VAL(FREQ, freq, term->val.num, term->weak);
1142 case PARSE_EVENTS__TERM_TYPE_TIME:
1143 ADD_CONFIG_TERM_VAL(TIME, time, term->val.num, term->weak);
1145 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
1146 ADD_CONFIG_TERM_STR(CALLGRAPH, term->val.str, term->weak);
1148 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
1149 ADD_CONFIG_TERM_STR(BRANCH, term->val.str, term->weak);
1151 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
1152 ADD_CONFIG_TERM_VAL(STACK_USER, stack_user,
1153 term->val.num, term->weak);
1155 case PARSE_EVENTS__TERM_TYPE_INHERIT:
1156 ADD_CONFIG_TERM_VAL(INHERIT, inherit,
1157 term->val.num ? 1 : 0, term->weak);
1159 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
1160 ADD_CONFIG_TERM_VAL(INHERIT, inherit,
1161 term->val.num ? 0 : 1, term->weak);
1163 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
1164 ADD_CONFIG_TERM_VAL(MAX_STACK, max_stack,
1165 term->val.num, term->weak);
1167 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
1168 ADD_CONFIG_TERM_VAL(MAX_EVENTS, max_events,
1169 term->val.num, term->weak);
1171 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
1172 ADD_CONFIG_TERM_VAL(OVERWRITE, overwrite,
1173 term->val.num ? 1 : 0, term->weak);
1175 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
1176 ADD_CONFIG_TERM_VAL(OVERWRITE, overwrite,
1177 term->val.num ? 0 : 1, term->weak);
1179 case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
1180 ADD_CONFIG_TERM_STR(DRV_CFG, term->val.str, term->weak);
1182 case PARSE_EVENTS__TERM_TYPE_PERCORE:
1183 ADD_CONFIG_TERM_VAL(PERCORE, percore,
1184 term->val.num ? true : false, term->weak);
1186 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
1187 ADD_CONFIG_TERM_VAL(AUX_OUTPUT, aux_output,
1188 term->val.num ? 1 : 0, term->weak);
1190 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
1191 ADD_CONFIG_TERM_VAL(AUX_SAMPLE_SIZE, aux_sample_size,
1192 term->val.num, term->weak);
1194 case PARSE_EVENTS__TERM_TYPE_USER:
1195 case PARSE_EVENTS__TERM_TYPE_CONFIG:
1196 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
1197 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
1198 case PARSE_EVENTS__TERM_TYPE_CONFIG3:
1199 case PARSE_EVENTS__TERM_TYPE_NAME:
1200 case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
1201 case PARSE_EVENTS__TERM_TYPE_RAW:
1202 case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE:
1203 case PARSE_EVENTS__TERM_TYPE_HARDWARE:
1212 * Add EVSEL__CONFIG_TERM_CFG_CHG where cfg_chg will have a bit set for
1213 * each bit of attr->config that the user has changed.
1215 static int get_config_chgs(struct perf_pmu *pmu, struct parse_events_terms *head_config,
1216 struct list_head *head_terms)
1218 struct parse_events_term *term;
1222 list_for_each_entry(term, &head_config->terms, list) {
1223 switch (term->type_term) {
1224 case PARSE_EVENTS__TERM_TYPE_USER:
1225 type = perf_pmu__format_type(pmu, term->config);
1226 if (type != PERF_PMU_FORMAT_VALUE_CONFIG)
1228 bits |= perf_pmu__format_bits(pmu, term->config);
1230 case PARSE_EVENTS__TERM_TYPE_CONFIG:
1233 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
1234 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
1235 case PARSE_EVENTS__TERM_TYPE_CONFIG3:
1236 case PARSE_EVENTS__TERM_TYPE_NAME:
1237 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
1238 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
1239 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
1240 case PARSE_EVENTS__TERM_TYPE_TIME:
1241 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
1242 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
1243 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
1244 case PARSE_EVENTS__TERM_TYPE_INHERIT:
1245 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
1246 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
1247 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
1248 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
1249 case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
1250 case PARSE_EVENTS__TERM_TYPE_PERCORE:
1251 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
1252 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
1253 case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
1254 case PARSE_EVENTS__TERM_TYPE_RAW:
1255 case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE:
1256 case PARSE_EVENTS__TERM_TYPE_HARDWARE:
1263 ADD_CONFIG_TERM_VAL(CFG_CHG, cfg_chg, bits, false);
1265 #undef ADD_CONFIG_TERM
1269 int parse_events_add_tracepoint(struct list_head *list, int *idx,
1270 const char *sys, const char *event,
1271 struct parse_events_error *err,
1272 struct parse_events_terms *head_config, void *loc_)
1274 YYLTYPE *loc = loc_;
1275 #ifdef HAVE_LIBTRACEEVENT
1277 struct perf_event_attr attr;
1279 if (config_attr(&attr, head_config, err,
1280 config_term_tracepoint))
1284 if (strpbrk(sys, "*?"))
1285 return add_tracepoint_multi_sys(list, idx, sys, event,
1286 err, head_config, loc);
1288 return add_tracepoint_event(list, idx, sys, event,
1289 err, head_config, loc);
1296 parse_events_error__handle(err, loc->first_column, strdup("unsupported tracepoint"),
1297 strdup("libtraceevent is necessary for tracepoint support"));
1302 static int __parse_events_add_numeric(struct parse_events_state *parse_state,
1303 struct list_head *list,
1304 struct perf_pmu *pmu, u32 type, u32 extended_type,
1305 u64 config, struct parse_events_terms *head_config)
1307 struct perf_event_attr attr;
1308 LIST_HEAD(config_terms);
1309 const char *name, *metric_id;
1312 memset(&attr, 0, sizeof(attr));
1314 attr.config = config;
1315 if (extended_type && (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE)) {
1316 assert(perf_pmus__supports_extended_type());
1317 attr.config |= (u64)extended_type << PERF_PMU_TYPE_SHIFT;
1321 if (config_attr(&attr, head_config, parse_state->error,
1322 config_term_common))
1325 if (get_config_terms(head_config, &config_terms))
1329 name = get_config_name(head_config);
1330 metric_id = get_config_metric_id(head_config);
1331 ret = __add_event(list, &parse_state->idx, &attr, /*init_attr*/true, name,
1332 metric_id, pmu, &config_terms, /*auto_merge_stats=*/false,
1333 /*cpu_list=*/NULL) ? 0 : -ENOMEM;
1334 free_config_terms(&config_terms);
1338 int parse_events_add_numeric(struct parse_events_state *parse_state,
1339 struct list_head *list,
1340 u32 type, u64 config,
1341 struct parse_events_terms *head_config,
1344 struct perf_pmu *pmu = NULL;
1345 bool found_supported = false;
1347 /* Wildcards on numeric values are only supported by core PMUs. */
1348 if (wildcard && perf_pmus__supports_extended_type()) {
1349 while ((pmu = perf_pmus__scan_core(pmu)) != NULL) {
1352 found_supported = true;
1353 if (parse_events__filter_pmu(parse_state, pmu))
1356 ret = __parse_events_add_numeric(parse_state, list, pmu,
1358 config, head_config);
1362 if (found_supported)
1365 return __parse_events_add_numeric(parse_state, list, perf_pmus__find_by_type(type),
1366 type, /*extended_type=*/0, config, head_config);
1369 int parse_events_add_tool(struct parse_events_state *parse_state,
1370 struct list_head *list,
1373 return add_event_tool(list, &parse_state->idx, tool_event);
1376 static bool config_term_percore(struct list_head *config_terms)
1378 struct evsel_config_term *term;
1380 list_for_each_entry(term, config_terms, list) {
1381 if (term->type == EVSEL__CONFIG_TERM_PERCORE)
1382 return term->val.percore;
1388 int parse_events_add_pmu(struct parse_events_state *parse_state,
1389 struct list_head *list, const char *name,
1390 const struct parse_events_terms *const_parsed_terms,
1391 bool auto_merge_stats, void *loc_)
1393 struct perf_event_attr attr;
1394 struct perf_pmu_info info;
1395 struct perf_pmu *pmu;
1396 struct evsel *evsel;
1397 struct parse_events_error *err = parse_state->error;
1398 YYLTYPE *loc = loc_;
1399 LIST_HEAD(config_terms);
1400 struct parse_events_terms parsed_terms;
1401 bool alias_rewrote_terms = false;
1403 pmu = parse_state->fake_pmu ?: perf_pmus__find(name);
1408 if (asprintf(&err_str,
1409 "Cannot find PMU `%s'. Missing kernel support?",
1411 parse_events_error__handle(err, loc->first_column, err_str, NULL);
1415 parse_events_terms__init(&parsed_terms);
1416 if (const_parsed_terms) {
1417 int ret = parse_events_terms__copy(const_parsed_terms, &parsed_terms);
1426 strbuf_init(&sb, /*hint=*/ 0);
1427 if (pmu->selectable && list_empty(&parsed_terms.terms)) {
1428 strbuf_addf(&sb, "%s//", name);
1430 strbuf_addf(&sb, "%s/", name);
1431 parse_events_terms__to_strbuf(&parsed_terms, &sb);
1432 strbuf_addch(&sb, '/');
1434 fprintf(stderr, "Attempt to add: %s\n", sb.buf);
1435 strbuf_release(&sb);
1437 fix_raw(&parsed_terms, pmu);
1439 memset(&attr, 0, sizeof(attr));
1440 if (pmu->perf_event_attr_init_default)
1441 pmu->perf_event_attr_init_default(pmu, &attr);
1443 attr.type = pmu->type;
1445 if (list_empty(&parsed_terms.terms)) {
1446 evsel = __add_event(list, &parse_state->idx, &attr,
1447 /*init_attr=*/true, /*name=*/NULL,
1448 /*metric_id=*/NULL, pmu,
1449 /*config_terms=*/NULL, auto_merge_stats,
1451 return evsel ? 0 : -ENOMEM;
1454 /* Configure attr/terms with a known PMU, this will set hardcoded terms. */
1455 if (config_attr(&attr, &parsed_terms, parse_state->error, config_term_pmu)) {
1456 parse_events_terms__exit(&parsed_terms);
1460 /* Look for event names in the terms and rewrite into format based terms. */
1461 if (!parse_state->fake_pmu && perf_pmu__check_alias(pmu, &parsed_terms,
1462 &info, &alias_rewrote_terms, err)) {
1463 parse_events_terms__exit(&parsed_terms);
1470 strbuf_init(&sb, /*hint=*/ 0);
1471 parse_events_terms__to_strbuf(&parsed_terms, &sb);
1472 fprintf(stderr, "..after resolving event: %s/%s/\n", name, sb.buf);
1473 strbuf_release(&sb);
1476 /* Configure attr/terms again if an alias was expanded. */
1477 if (alias_rewrote_terms &&
1478 config_attr(&attr, &parsed_terms, parse_state->error, config_term_pmu)) {
1479 parse_events_terms__exit(&parsed_terms);
1483 if (get_config_terms(&parsed_terms, &config_terms)) {
1484 parse_events_terms__exit(&parsed_terms);
1489 * When using default config, record which bits of attr->config were
1490 * changed by the user.
1492 if (pmu->perf_event_attr_init_default &&
1493 get_config_chgs(pmu, &parsed_terms, &config_terms)) {
1494 parse_events_terms__exit(&parsed_terms);
1498 if (!parse_state->fake_pmu &&
1499 perf_pmu__config(pmu, &attr, &parsed_terms, parse_state->error)) {
1500 free_config_terms(&config_terms);
1501 parse_events_terms__exit(&parsed_terms);
1505 evsel = __add_event(list, &parse_state->idx, &attr, /*init_attr=*/true,
1506 get_config_name(&parsed_terms),
1507 get_config_metric_id(&parsed_terms), pmu,
1508 &config_terms, auto_merge_stats, /*cpu_list=*/NULL);
1510 parse_events_terms__exit(&parsed_terms);
1515 evsel->use_config_name = true;
1517 evsel->percore = config_term_percore(&evsel->config_terms);
1519 if (parse_state->fake_pmu) {
1520 parse_events_terms__exit(&parsed_terms);
1524 parse_events_terms__exit(&parsed_terms);
1525 free((char *)evsel->unit);
1526 evsel->unit = strdup(info.unit);
1527 evsel->scale = info.scale;
1528 evsel->per_pkg = info.per_pkg;
1529 evsel->snapshot = info.snapshot;
1533 int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
1534 const char *event_name,
1535 const struct parse_events_terms *const_parsed_terms,
1536 struct list_head **listp, void *loc_)
1538 struct parse_events_term *term;
1539 struct list_head *list = NULL;
1540 struct perf_pmu *pmu = NULL;
1541 YYLTYPE *loc = loc_;
1544 struct parse_events_terms parsed_terms;
1548 parse_events_terms__init(&parsed_terms);
1549 if (const_parsed_terms) {
1550 int ret = parse_events_terms__copy(const_parsed_terms, &parsed_terms);
1556 config = strdup(event_name);
1560 if (parse_events_term__num(&term,
1561 PARSE_EVENTS__TERM_TYPE_USER,
1562 config, /*num=*/1, /*novalue=*/true,
1563 loc, /*loc_val=*/NULL) < 0) {
1567 list_add_tail(&term->list, &parsed_terms.terms);
1569 /* Add it for all PMUs that support the alias */
1570 list = malloc(sizeof(struct list_head));
1574 INIT_LIST_HEAD(list);
1576 while ((pmu = perf_pmus__scan(pmu)) != NULL) {
1577 bool auto_merge_stats;
1579 if (parse_events__filter_pmu(parse_state, pmu))
1582 if (!perf_pmu__have_event(pmu, event_name))
1585 auto_merge_stats = perf_pmu__auto_merge_stats(pmu);
1586 if (!parse_events_add_pmu(parse_state, list, pmu->name,
1587 &parsed_terms, auto_merge_stats, loc)) {
1590 strbuf_init(&sb, /*hint=*/ 0);
1591 parse_events_terms__to_strbuf(&parsed_terms, &sb);
1592 pr_debug("%s -> %s/%s/\n", event_name, pmu->name, sb.buf);
1593 strbuf_release(&sb);
1598 if (parse_state->fake_pmu) {
1599 if (!parse_events_add_pmu(parse_state, list, event_name, &parsed_terms,
1600 /*auto_merge_stats=*/true, loc)) {
1603 strbuf_init(&sb, /*hint=*/ 0);
1604 parse_events_terms__to_strbuf(&parsed_terms, &sb);
1605 pr_debug("%s -> %s/%s/\n", event_name, "fake_pmu", sb.buf);
1606 strbuf_release(&sb);
1612 parse_events_terms__exit(&parsed_terms);
1621 int parse_events__modifier_group(struct list_head *list,
1624 return parse_events__modifier_event(list, event_mod, true);
1627 void parse_events__set_leader(char *name, struct list_head *list)
1629 struct evsel *leader;
1631 if (list_empty(list)) {
1632 WARN_ONCE(true, "WARNING: failed to set leader: empty list");
1636 leader = list_first_entry(list, struct evsel, core.node);
1637 __perf_evlist__set_leader(list, &leader->core);
1638 leader->group_name = name;
1641 /* list_event is assumed to point to malloc'ed memory */
1642 void parse_events_update_lists(struct list_head *list_event,
1643 struct list_head *list_all)
1646 * Called for single event definition. Update the
1647 * 'all event' list, and reinit the 'single event'
1648 * list, for next event definition.
1650 list_splice_tail(list_event, list_all);
1654 struct event_modifier {
1671 static int get_event_modifier(struct event_modifier *mod, char *str,
1672 struct evsel *evsel)
1674 int eu = evsel ? evsel->core.attr.exclude_user : 0;
1675 int ek = evsel ? evsel->core.attr.exclude_kernel : 0;
1676 int eh = evsel ? evsel->core.attr.exclude_hv : 0;
1677 int eH = evsel ? evsel->core.attr.exclude_host : 0;
1678 int eG = evsel ? evsel->core.attr.exclude_guest : 0;
1679 int eI = evsel ? evsel->core.attr.exclude_idle : 0;
1680 int precise = evsel ? evsel->core.attr.precise_ip : 0;
1681 int precise_max = 0;
1682 int sample_read = 0;
1683 int pinned = evsel ? evsel->core.attr.pinned : 0;
1684 int exclusive = evsel ? evsel->core.attr.exclusive : 0;
1686 int exclude = eu | ek | eh;
1687 int exclude_GH = evsel ? evsel->exclude_GH : 0;
1689 int bpf_counter = 0;
1691 memset(mod, 0, sizeof(*mod));
1696 exclude = eu = ek = eh = 1;
1697 if (!exclude_GH && !perf_guest)
1700 } else if (*str == 'k') {
1702 exclude = eu = ek = eh = 1;
1704 } else if (*str == 'h') {
1706 exclude = eu = ek = eh = 1;
1708 } else if (*str == 'G') {
1710 exclude_GH = eG = eH = 1;
1712 } else if (*str == 'H') {
1714 exclude_GH = eG = eH = 1;
1716 } else if (*str == 'I') {
1718 } else if (*str == 'p') {
1720 /* use of precise requires exclude_guest */
1723 } else if (*str == 'P') {
1725 } else if (*str == 'S') {
1727 } else if (*str == 'D') {
1729 } else if (*str == 'e') {
1731 } else if (*str == 'W') {
1733 } else if (*str == 'b') {
1744 * 0 - SAMPLE_IP can have arbitrary skid
1745 * 1 - SAMPLE_IP must have constant skid
1746 * 2 - SAMPLE_IP requested to have 0 skid
1747 * 3 - SAMPLE_IP must have 0 skid
1749 * See also PERF_RECORD_MISC_EXACT_IP
1760 mod->precise = precise;
1761 mod->precise_max = precise_max;
1762 mod->exclude_GH = exclude_GH;
1763 mod->sample_read = sample_read;
1764 mod->pinned = pinned;
1766 mod->bpf_counter = bpf_counter;
1767 mod->exclusive = exclusive;
1773 * Basic modifier sanity check to validate it contains only one
1774 * instance of any modifier (apart from 'p') present.
1776 static int check_modifier(char *str)
1780 /* The sizeof includes 0 byte as well. */
1781 if (strlen(str) > (sizeof("ukhGHpppPSDIWeb") - 1))
1785 if (*p != 'p' && strchr(p + 1, *p))
1793 int parse_events__modifier_event(struct list_head *list, char *str, bool add)
1795 struct evsel *evsel;
1796 struct event_modifier mod;
1801 if (check_modifier(str))
1804 if (!add && get_event_modifier(&mod, str, NULL))
1807 __evlist__for_each_entry(list, evsel) {
1808 if (add && get_event_modifier(&mod, str, evsel))
1811 evsel->core.attr.exclude_user = mod.eu;
1812 evsel->core.attr.exclude_kernel = mod.ek;
1813 evsel->core.attr.exclude_hv = mod.eh;
1814 evsel->core.attr.precise_ip = mod.precise;
1815 evsel->core.attr.exclude_host = mod.eH;
1816 evsel->core.attr.exclude_guest = mod.eG;
1817 evsel->core.attr.exclude_idle = mod.eI;
1818 evsel->exclude_GH = mod.exclude_GH;
1819 evsel->sample_read = mod.sample_read;
1820 evsel->precise_max = mod.precise_max;
1821 evsel->weak_group = mod.weak;
1822 evsel->bpf_counter = mod.bpf_counter;
1824 if (evsel__is_group_leader(evsel)) {
1825 evsel->core.attr.pinned = mod.pinned;
1826 evsel->core.attr.exclusive = mod.exclusive;
1833 int parse_events_name(struct list_head *list, const char *name)
1835 struct evsel *evsel;
1837 __evlist__for_each_entry(list, evsel) {
1839 evsel->name = strdup(name);
1848 static int parse_events__scanner(const char *str,
1850 struct parse_events_state *parse_state)
1852 YY_BUFFER_STATE buffer;
1856 ret = parse_events_lex_init_extra(parse_state, &scanner);
1861 buffer = parse_events__scan_string(str, scanner);
1863 parse_events_set_in(input, scanner);
1866 parse_events_debug = 1;
1867 parse_events_set_debug(1, scanner);
1869 ret = parse_events_parse(parse_state, scanner);
1872 parse_events__flush_buffer(buffer, scanner);
1873 parse_events__delete_buffer(buffer, scanner);
1875 parse_events_lex_destroy(scanner);
1880 * parse event config string, return a list of event terms.
1882 int parse_events_terms(struct parse_events_terms *terms, const char *str, FILE *input)
1884 struct parse_events_state parse_state = {
1886 .stoken = PE_START_TERMS,
1890 ret = parse_events__scanner(str, input, &parse_state);
1892 list_splice(&parse_state.terms->terms, &terms->terms);
1894 zfree(&parse_state.terms);
1898 static int evsel__compute_group_pmu_name(struct evsel *evsel,
1899 const struct list_head *head)
1901 struct evsel *leader = evsel__leader(evsel);
1903 const char *group_pmu_name;
1904 struct perf_pmu *pmu = evsel__find_pmu(evsel);
1908 * For PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE types the PMU
1909 * is a core PMU, but in heterogeneous systems this is
1910 * unknown. For now pick the first core PMU.
1912 pmu = perf_pmus__scan_core(NULL);
1915 pr_debug("No PMU found for '%s'\n", evsel__name(evsel));
1918 group_pmu_name = pmu->name;
1920 * Software events may be in a group with other uncore PMU events. Use
1921 * the pmu_name of the first non-software event to avoid breaking the
1922 * software event out of the group.
1924 * Aux event leaders, like intel_pt, expect a group with events from
1925 * other PMUs, so substitute the AUX event's PMU in this case.
1927 if (perf_pmu__is_software(pmu) || evsel__is_aux_event(leader)) {
1928 struct perf_pmu *leader_pmu = evsel__find_pmu(leader);
1931 /* As with determining pmu above. */
1932 leader_pmu = perf_pmus__scan_core(NULL);
1935 * Starting with the leader, find the first event with a named
1936 * non-software PMU. for_each_group_(member|evsel) isn't used as
1937 * the list isn't yet sorted putting evsel's in the same group
1940 if (leader_pmu && !perf_pmu__is_software(leader_pmu)) {
1941 group_pmu_name = leader_pmu->name;
1942 } else if (leader->core.nr_members > 1) {
1943 list_for_each_entry(pos, head, core.node) {
1944 struct perf_pmu *pos_pmu;
1946 if (pos == leader || evsel__leader(pos) != leader)
1948 pos_pmu = evsel__find_pmu(pos);
1950 /* As with determining pmu above. */
1951 pos_pmu = perf_pmus__scan_core(NULL);
1953 if (pos_pmu && !perf_pmu__is_software(pos_pmu)) {
1954 group_pmu_name = pos_pmu->name;
1960 /* Assign the actual name taking care that the fake PMU lacks a name. */
1961 evsel->group_pmu_name = strdup(group_pmu_name ?: "fake");
1962 return evsel->group_pmu_name ? 0 : -ENOMEM;
1965 __weak int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs)
1967 /* Order by insertion index. */
1968 return lhs->core.idx - rhs->core.idx;
1971 static int evlist__cmp(void *_fg_idx, const struct list_head *l, const struct list_head *r)
1973 const struct perf_evsel *lhs_core = container_of(l, struct perf_evsel, node);
1974 const struct evsel *lhs = container_of(lhs_core, struct evsel, core);
1975 const struct perf_evsel *rhs_core = container_of(r, struct perf_evsel, node);
1976 const struct evsel *rhs = container_of(rhs_core, struct evsel, core);
1977 int *force_grouped_idx = _fg_idx;
1978 int lhs_sort_idx, rhs_sort_idx, ret;
1979 const char *lhs_pmu_name, *rhs_pmu_name;
1980 bool lhs_has_group, rhs_has_group;
1983 * First sort by grouping/leader. Read the leader idx only if the evsel
1984 * is part of a group, by default ungrouped events will be sorted
1985 * relative to grouped events based on where the first ungrouped event
1986 * occurs. If both events don't have a group we want to fall-through to
1987 * the arch specific sorting, that can reorder and fix things like
1988 * Intel's topdown events.
1990 if (lhs_core->leader != lhs_core || lhs_core->nr_members > 1) {
1991 lhs_has_group = true;
1992 lhs_sort_idx = lhs_core->leader->idx;
1994 lhs_has_group = false;
1995 lhs_sort_idx = *force_grouped_idx != -1 && arch_evsel__must_be_in_group(lhs)
1996 ? *force_grouped_idx
1999 if (rhs_core->leader != rhs_core || rhs_core->nr_members > 1) {
2000 rhs_has_group = true;
2001 rhs_sort_idx = rhs_core->leader->idx;
2003 rhs_has_group = false;
2004 rhs_sort_idx = *force_grouped_idx != -1 && arch_evsel__must_be_in_group(rhs)
2005 ? *force_grouped_idx
2009 if (lhs_sort_idx != rhs_sort_idx)
2010 return lhs_sort_idx - rhs_sort_idx;
2012 /* Group by PMU if there is a group. Groups can't span PMUs. */
2013 if (lhs_has_group && rhs_has_group) {
2014 lhs_pmu_name = lhs->group_pmu_name;
2015 rhs_pmu_name = rhs->group_pmu_name;
2016 ret = strcmp(lhs_pmu_name, rhs_pmu_name);
2021 /* Architecture specific sorting. */
2022 return arch_evlist__cmp(lhs, rhs);
2025 static int parse_events__sort_events_and_fix_groups(struct list_head *list)
2027 int idx = 0, force_grouped_idx = -1;
2028 struct evsel *pos, *cur_leader = NULL;
2029 struct perf_evsel *cur_leaders_grp = NULL;
2030 bool idx_changed = false, cur_leader_force_grouped = false;
2031 int orig_num_leaders = 0, num_leaders = 0;
2035 * Compute index to insert ungrouped events at. Place them where the
2036 * first ungrouped event appears.
2038 list_for_each_entry(pos, list, core.node) {
2039 const struct evsel *pos_leader = evsel__leader(pos);
2041 ret = evsel__compute_group_pmu_name(pos, list);
2045 if (pos == pos_leader)
2049 * Ensure indexes are sequential, in particular for multiple
2050 * event lists being merged. The indexes are used to detect when
2051 * the user order is modified.
2053 pos->core.idx = idx++;
2055 /* Remember an index to sort all forced grouped events together to. */
2056 if (force_grouped_idx == -1 && pos == pos_leader && pos->core.nr_members < 2 &&
2057 arch_evsel__must_be_in_group(pos))
2058 force_grouped_idx = pos->core.idx;
2062 list_sort(&force_grouped_idx, list, evlist__cmp);
2065 * Recompute groups, splitting for PMUs and adding groups for events
2066 * that require them.
2069 list_for_each_entry(pos, list, core.node) {
2070 const struct evsel *pos_leader = evsel__leader(pos);
2071 const char *pos_pmu_name = pos->group_pmu_name;
2072 const char *cur_leader_pmu_name;
2073 bool pos_force_grouped = force_grouped_idx != -1 &&
2074 arch_evsel__must_be_in_group(pos);
2076 /* Reset index and nr_members. */
2077 if (pos->core.idx != idx)
2079 pos->core.idx = idx++;
2080 pos->core.nr_members = 0;
2083 * Set the group leader respecting the given groupings and that
2084 * groups can't span PMUs.
2089 cur_leader_pmu_name = cur_leader->group_pmu_name;
2090 if ((cur_leaders_grp != pos->core.leader &&
2091 (!pos_force_grouped || !cur_leader_force_grouped)) ||
2092 strcmp(cur_leader_pmu_name, pos_pmu_name)) {
2093 /* Event is for a different group/PMU than last. */
2096 * Remember the leader's group before it is overwritten,
2097 * so that later events match as being in the same
2100 cur_leaders_grp = pos->core.leader;
2102 * Avoid forcing events into groups with events that
2103 * don't need to be in the group.
2105 cur_leader_force_grouped = pos_force_grouped;
2107 if (pos_leader != cur_leader) {
2108 /* The leader changed so update it. */
2109 evsel__set_leader(pos, cur_leader);
2112 list_for_each_entry(pos, list, core.node) {
2113 struct evsel *pos_leader = evsel__leader(pos);
2115 if (pos == pos_leader)
2117 pos_leader->core.nr_members++;
2119 return (idx_changed || num_leaders != orig_num_leaders) ? 1 : 0;
2122 int __parse_events(struct evlist *evlist, const char *str, const char *pmu_filter,
2123 struct parse_events_error *err, struct perf_pmu *fake_pmu,
2124 bool warn_if_reordered)
2126 struct parse_events_state parse_state = {
2127 .list = LIST_HEAD_INIT(parse_state.list),
2128 .idx = evlist->core.nr_entries,
2130 .stoken = PE_START_EVENTS,
2131 .fake_pmu = fake_pmu,
2132 .pmu_filter = pmu_filter,
2133 .match_legacy_cache_terms = true,
2137 ret = parse_events__scanner(str, /*input=*/ NULL, &parse_state);
2139 if (!ret && list_empty(&parse_state.list)) {
2140 WARN_ONCE(true, "WARNING: event parser found nothing\n");
2144 ret2 = parse_events__sort_events_and_fix_groups(&parse_state.list);
2148 if (ret2 && warn_if_reordered && !parse_state.wild_card_pmus)
2149 pr_warning("WARNING: events were regrouped to match PMUs\n");
2152 * Add list to the evlist even with errors to allow callers to clean up.
2154 evlist__splice_list_tail(evlist, &parse_state.list);
2159 last = evlist__last(evlist);
2160 last->cmdline_group_boundary = true;
2166 * There are 2 users - builtin-record and builtin-test objects.
2167 * Both call evlist__delete in case of error, so we dont
2173 int parse_event(struct evlist *evlist, const char *str)
2175 struct parse_events_error err;
2178 parse_events_error__init(&err);
2179 ret = parse_events(evlist, str, &err);
2180 parse_events_error__exit(&err);
2184 struct parse_events_error_entry {
2185 /** @list: The list the error is part of. */
2186 struct list_head list;
2187 /** @idx: index in the parsed string */
2189 /** @str: string to display at the index */
2191 /** @help: optional help string */
2195 void parse_events_error__init(struct parse_events_error *err)
2197 INIT_LIST_HEAD(&err->list);
2200 void parse_events_error__exit(struct parse_events_error *err)
2202 struct parse_events_error_entry *pos, *tmp;
2204 list_for_each_entry_safe(pos, tmp, &err->list, list) {
2207 list_del_init(&pos->list);
2212 void parse_events_error__handle(struct parse_events_error *err, int idx,
2213 char *str, char *help)
2215 struct parse_events_error_entry *entry;
2217 if (WARN(!str || !err, "WARNING: failed to provide error string or struct\n"))
2220 entry = zalloc(sizeof(*entry));
2222 pr_err("Failed to allocate memory for event parsing error: %s (%s)\n",
2223 str, help ?: "<no help>");
2229 list_add(&entry->list, &err->list);
2236 #define MAX_WIDTH 1000
2237 static int get_term_width(void)
2241 get_term_dimensions(&ws);
2242 return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col;
2245 static void __parse_events_error__print(int err_idx, const char *err_str,
2246 const char *err_help, const char *event)
2248 const char *str = "invalid or unsupported event: ";
2249 char _buf[MAX_WIDTH];
2250 char *buf = (char *) event;
2253 /* -2 for extra '' in the final fprintf */
2254 int width = get_term_width() - 2;
2255 int len_event = strlen(event);
2256 int len_str, max_len, cut = 0;
2259 * Maximum error index indent, we will cut
2260 * the event string if it's bigger.
2262 int max_err_idx = 13;
2265 * Let's be specific with the message when
2266 * we have the precise error.
2268 str = "event syntax error: ";
2269 len_str = strlen(str);
2270 max_len = width - len_str;
2274 /* We're cutting from the beginning. */
2275 if (err_idx > max_err_idx)
2276 cut = err_idx - max_err_idx;
2278 strncpy(buf, event + cut, max_len);
2280 /* Mark cut parts with '..' on both sides. */
2282 buf[0] = buf[1] = '.';
2284 if ((len_event - cut) > max_len) {
2285 buf[max_len - 1] = buf[max_len - 2] = '.';
2289 idx = len_str + err_idx - cut;
2292 fprintf(stderr, "%s'%s'\n", str, buf);
2294 fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err_str);
2296 fprintf(stderr, "\n%s\n", err_help);
2300 void parse_events_error__print(const struct parse_events_error *err,
2303 struct parse_events_error_entry *pos;
2306 list_for_each_entry(pos, &err->list, list) {
2308 fputs("\n", stderr);
2309 __parse_events_error__print(pos->idx, pos->str, pos->help, event);
2315 * In the list of errors err, do any of the error strings (str) contain the
2316 * given needle string?
2318 bool parse_events_error__contains(const struct parse_events_error *err,
2321 struct parse_events_error_entry *pos;
2323 list_for_each_entry(pos, &err->list, list) {
2324 if (strstr(pos->str, needle) != NULL)
2332 int parse_events_option(const struct option *opt, const char *str,
2333 int unset __maybe_unused)
2335 struct parse_events_option_args *args = opt->value;
2336 struct parse_events_error err;
2339 parse_events_error__init(&err);
2340 ret = __parse_events(*args->evlistp, str, args->pmu_filter, &err,
2341 /*fake_pmu=*/NULL, /*warn_if_reordered=*/true);
2344 parse_events_error__print(&err, str);
2345 fprintf(stderr, "Run 'perf list' for a list of valid events\n");
2347 parse_events_error__exit(&err);
2352 int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset)
2354 struct parse_events_option_args *args = opt->value;
2357 if (*args->evlistp == NULL) {
2358 *args->evlistp = evlist__new();
2360 if (*args->evlistp == NULL) {
2361 fprintf(stderr, "Not enough memory to create evlist\n");
2365 ret = parse_events_option(opt, str, unset);
2367 evlist__delete(*args->evlistp);
2368 *args->evlistp = NULL;
2375 foreach_evsel_in_last_glob(struct evlist *evlist,
2376 int (*func)(struct evsel *evsel,
2380 struct evsel *last = NULL;
2384 * Don't return when list_empty, give func a chance to report
2385 * error when it found last == NULL.
2387 * So no need to WARN here, let *func do this.
2389 if (evlist->core.nr_entries > 0)
2390 last = evlist__last(evlist);
2393 err = (*func)(last, arg);
2399 if (last->core.node.prev == &evlist->core.entries)
2401 last = list_entry(last->core.node.prev, struct evsel, core.node);
2402 } while (!last->cmdline_group_boundary);
2407 static int set_filter(struct evsel *evsel, const void *arg)
2409 const char *str = arg;
2411 int nr_addr_filters = 0;
2412 struct perf_pmu *pmu = NULL;
2414 if (evsel == NULL) {
2416 "--filter option should follow a -e tracepoint or HW tracer option\n");
2420 if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) {
2421 if (evsel__append_tp_filter(evsel, str) < 0) {
2423 "not enough memory to hold filter string\n");
2430 while ((pmu = perf_pmus__scan(pmu)) != NULL)
2431 if (pmu->type == evsel->core.attr.type) {
2437 perf_pmu__scan_file(pmu, "nr_addr_filters",
2438 "%d", &nr_addr_filters);
2440 if (!nr_addr_filters)
2441 return perf_bpf_filter__parse(&evsel->bpf_filters, str);
2443 if (evsel__append_addr_filter(evsel, str) < 0) {
2445 "not enough memory to hold filter string\n");
2452 int parse_filter(const struct option *opt, const char *str,
2453 int unset __maybe_unused)
2455 struct evlist *evlist = *(struct evlist **)opt->value;
2457 return foreach_evsel_in_last_glob(evlist, set_filter,
2461 static int add_exclude_perf_filter(struct evsel *evsel,
2462 const void *arg __maybe_unused)
2464 char new_filter[64];
2466 if (evsel == NULL || evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2468 "--exclude-perf option should follow a -e tracepoint option\n");
2472 snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid());
2474 if (evsel__append_tp_filter(evsel, new_filter) < 0) {
2476 "not enough memory to hold filter string\n");
2483 int exclude_perf(const struct option *opt,
2484 const char *arg __maybe_unused,
2485 int unset __maybe_unused)
2487 struct evlist *evlist = *(struct evlist **)opt->value;
2489 return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter,
2493 int parse_events__is_hardcoded_term(struct parse_events_term *term)
2495 return term->type_term != PARSE_EVENTS__TERM_TYPE_USER;
2498 static int new_term(struct parse_events_term **_term,
2499 struct parse_events_term *temp,
2502 struct parse_events_term *term;
2504 term = malloc(sizeof(*term));
2509 INIT_LIST_HEAD(&term->list);
2512 switch (term->type_val) {
2513 case PARSE_EVENTS__TERM_TYPE_NUM:
2514 term->val.num = num;
2516 case PARSE_EVENTS__TERM_TYPE_STR:
2517 term->val.str = str;
2528 int parse_events_term__num(struct parse_events_term **term,
2529 enum parse_events__term_type type_term,
2530 const char *config, u64 num,
2532 void *loc_term_, void *loc_val_)
2534 YYLTYPE *loc_term = loc_term_;
2535 YYLTYPE *loc_val = loc_val_;
2537 struct parse_events_term temp = {
2538 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
2539 .type_term = type_term,
2540 .config = config ? : strdup(config_term_name(type_term)),
2541 .no_value = no_value,
2542 .err_term = loc_term ? loc_term->first_column : 0,
2543 .err_val = loc_val ? loc_val->first_column : 0,
2546 return new_term(term, &temp, /*str=*/NULL, num);
2549 int parse_events_term__str(struct parse_events_term **term,
2550 enum parse_events__term_type type_term,
2551 char *config, char *str,
2552 void *loc_term_, void *loc_val_)
2554 YYLTYPE *loc_term = loc_term_;
2555 YYLTYPE *loc_val = loc_val_;
2557 struct parse_events_term temp = {
2558 .type_val = PARSE_EVENTS__TERM_TYPE_STR,
2559 .type_term = type_term,
2561 .err_term = loc_term ? loc_term->first_column : 0,
2562 .err_val = loc_val ? loc_val->first_column : 0,
2565 return new_term(term, &temp, str, /*num=*/0);
2568 int parse_events_term__term(struct parse_events_term **term,
2569 enum parse_events__term_type term_lhs,
2570 enum parse_events__term_type term_rhs,
2571 void *loc_term, void *loc_val)
2573 return parse_events_term__str(term, term_lhs, NULL,
2574 strdup(config_term_name(term_rhs)),
2578 int parse_events_term__clone(struct parse_events_term **new,
2579 struct parse_events_term *term)
2582 struct parse_events_term temp = *term;
2586 temp.config = strdup(term->config);
2590 if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM)
2591 return new_term(new, &temp, /*str=*/NULL, term->val.num);
2593 str = strdup(term->val.str);
2595 zfree(&temp.config);
2598 return new_term(new, &temp, str, /*num=*/0);
2601 void parse_events_term__delete(struct parse_events_term *term)
2603 if (term->type_val != PARSE_EVENTS__TERM_TYPE_NUM)
2604 zfree(&term->val.str);
2606 zfree(&term->config);
2610 static int parse_events_terms__copy(const struct parse_events_terms *src,
2611 struct parse_events_terms *dest)
2613 struct parse_events_term *term;
2615 list_for_each_entry (term, &src->terms, list) {
2616 struct parse_events_term *n;
2619 ret = parse_events_term__clone(&n, term);
2623 list_add_tail(&n->list, &dest->terms);
2628 void parse_events_terms__init(struct parse_events_terms *terms)
2630 INIT_LIST_HEAD(&terms->terms);
2633 void parse_events_terms__exit(struct parse_events_terms *terms)
2635 struct parse_events_term *term, *h;
2637 list_for_each_entry_safe(term, h, &terms->terms, list) {
2638 list_del_init(&term->list);
2639 parse_events_term__delete(term);
2643 void parse_events_terms__delete(struct parse_events_terms *terms)
2647 parse_events_terms__exit(terms);
2651 int parse_events_terms__to_strbuf(const struct parse_events_terms *terms, struct strbuf *sb)
2653 struct parse_events_term *term;
2659 list_for_each_entry(term, &terms->terms, list) {
2663 ret = strbuf_addch(sb, ',');
2669 if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM)
2670 if (term->no_value) {
2671 assert(term->val.num == 1);
2672 ret = strbuf_addf(sb, "%s", term->config);
2674 ret = strbuf_addf(sb, "%s=%#"PRIx64, term->config, term->val.num);
2675 else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) {
2677 ret = strbuf_addf(sb, "%s=", term->config);
2680 } else if ((unsigned int)term->type_term < __PARSE_EVENTS__TERM_TYPE_NR) {
2681 ret = strbuf_addf(sb, "%s=", config_term_name(term->type_term));
2685 assert(!term->no_value);
2686 ret = strbuf_addf(sb, "%s", term->val.str);
2694 void parse_events_evlist_error(struct parse_events_state *parse_state,
2695 int idx, const char *str)
2697 if (!parse_state->error)
2700 parse_events_error__handle(parse_state->error, idx, strdup(str), NULL);
2703 static void config_terms_list(char *buf, size_t buf_sz)
2709 for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) {
2710 const char *name = config_term_name(i);
2712 if (!config_term_avail(i, NULL))
2719 if (strlen(buf) + strlen(name) + 2 >= buf_sz)
2731 * Return string contains valid config terms of an event.
2732 * @additional_terms: For terms such as PMU sysfs terms.
2734 char *parse_events_formats_error_string(char *additional_terms)
2737 /* "no-overwrite" is the longest name */
2738 char static_terms[__PARSE_EVENTS__TERM_TYPE_NR *
2739 (sizeof("no-overwrite") - 1)];
2741 config_terms_list(static_terms, sizeof(static_terms));
2743 if (additional_terms) {
2744 if (asprintf(&str, "valid terms: %s,%s",
2745 additional_terms, static_terms) < 0)
2748 if (asprintf(&str, "valid terms: %s", static_terms) < 0)