1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/hw_breakpoint.h>
4 #include <linux/zalloc.h>
11 #include <sys/param.h>
16 #include <subcmd/pager.h>
17 #include <subcmd/parse-options.h>
18 #include "parse-events.h"
19 #include <subcmd/exec-cmd.h>
24 #include "bpf-loader.h"
26 #include <api/fs/tracing_path.h>
27 #include <perf/cpumap.h>
28 #include "parse-events-bison.h"
29 #define YY_EXTRA_TYPE void*
30 #include "parse-events-flex.h"
32 #include "thread_map.h"
33 #include "probe-file.h"
35 #include "util/parse-branch-options.h"
36 #include "metricgroup.h"
37 #include "util/evsel_config.h"
38 #include "util/event.h"
42 #define MAX_NAME_LEN 100
45 extern int parse_events_debug;
47 int parse_events_parse(void *parse_state, void *scanner);
48 static int get_config_terms(struct list_head *head_config,
49 struct list_head *head_terms __maybe_unused);
51 static struct perf_pmu_event_symbol *perf_pmu_events_list;
53 * The variable indicates the number of supported pmu event symbols.
54 * 0 means not initialized and ready to init
55 * -1 means failed to init, don't try anymore
56 * >0 is the number of supported pmu event symbols
58 static int perf_pmu_events_list_num;
60 struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
61 [PERF_COUNT_HW_CPU_CYCLES] = {
62 .symbol = "cpu-cycles",
65 [PERF_COUNT_HW_INSTRUCTIONS] = {
66 .symbol = "instructions",
69 [PERF_COUNT_HW_CACHE_REFERENCES] = {
70 .symbol = "cache-references",
73 [PERF_COUNT_HW_CACHE_MISSES] = {
74 .symbol = "cache-misses",
77 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = {
78 .symbol = "branch-instructions",
81 [PERF_COUNT_HW_BRANCH_MISSES] = {
82 .symbol = "branch-misses",
85 [PERF_COUNT_HW_BUS_CYCLES] = {
86 .symbol = "bus-cycles",
89 [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = {
90 .symbol = "stalled-cycles-frontend",
91 .alias = "idle-cycles-frontend",
93 [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = {
94 .symbol = "stalled-cycles-backend",
95 .alias = "idle-cycles-backend",
97 [PERF_COUNT_HW_REF_CPU_CYCLES] = {
98 .symbol = "ref-cycles",
103 struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
104 [PERF_COUNT_SW_CPU_CLOCK] = {
105 .symbol = "cpu-clock",
108 [PERF_COUNT_SW_TASK_CLOCK] = {
109 .symbol = "task-clock",
112 [PERF_COUNT_SW_PAGE_FAULTS] = {
113 .symbol = "page-faults",
116 [PERF_COUNT_SW_CONTEXT_SWITCHES] = {
117 .symbol = "context-switches",
120 [PERF_COUNT_SW_CPU_MIGRATIONS] = {
121 .symbol = "cpu-migrations",
122 .alias = "migrations",
124 [PERF_COUNT_SW_PAGE_FAULTS_MIN] = {
125 .symbol = "minor-faults",
128 [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = {
129 .symbol = "major-faults",
132 [PERF_COUNT_SW_ALIGNMENT_FAULTS] = {
133 .symbol = "alignment-faults",
136 [PERF_COUNT_SW_EMULATION_FAULTS] = {
137 .symbol = "emulation-faults",
140 [PERF_COUNT_SW_DUMMY] = {
144 [PERF_COUNT_SW_BPF_OUTPUT] = {
145 .symbol = "bpf-output",
150 #define __PERF_EVENT_FIELD(config, name) \
151 ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT)
153 #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW)
154 #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG)
155 #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
156 #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
158 #define for_each_subsystem(sys_dir, sys_dirent) \
159 while ((sys_dirent = readdir(sys_dir)) != NULL) \
160 if (sys_dirent->d_type == DT_DIR && \
161 (strcmp(sys_dirent->d_name, ".")) && \
162 (strcmp(sys_dirent->d_name, "..")))
164 static int tp_event_has_id(const char *dir_path, struct dirent *evt_dir)
166 char evt_path[MAXPATHLEN];
169 snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, evt_dir->d_name);
170 fd = open(evt_path, O_RDONLY);
178 #define for_each_event(dir_path, evt_dir, evt_dirent) \
179 while ((evt_dirent = readdir(evt_dir)) != NULL) \
180 if (evt_dirent->d_type == DT_DIR && \
181 (strcmp(evt_dirent->d_name, ".")) && \
182 (strcmp(evt_dirent->d_name, "..")) && \
183 (!tp_event_has_id(dir_path, evt_dirent)))
185 #define MAX_EVENT_LENGTH 512
187 void parse_events__handle_error(struct parse_events_error *err, int idx,
188 char *str, char *help)
190 if (WARN(!str, "WARNING: failed to provide error string\n")) {
194 switch (err->num_errors) {
201 err->first_idx = err->idx;
203 err->first_str = err->str;
205 err->first_help = err->help;
209 pr_debug("Multiple errors dropping message: %s (%s)\n",
210 err->str, err->help);
220 struct tracepoint_path *tracepoint_id_to_path(u64 config)
222 struct tracepoint_path *path = NULL;
223 DIR *sys_dir, *evt_dir;
224 struct dirent *sys_dirent, *evt_dirent;
228 char evt_path[MAXPATHLEN];
231 sys_dir = tracing_events__opendir();
235 for_each_subsystem(sys_dir, sys_dirent) {
236 dir_path = get_events_file(sys_dirent->d_name);
239 evt_dir = opendir(dir_path);
243 for_each_event(dir_path, evt_dir, evt_dirent) {
245 scnprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
247 fd = open(evt_path, O_RDONLY);
250 if (read(fd, id_buf, sizeof(id_buf)) < 0) {
257 put_events_file(dir_path);
260 path = zalloc(sizeof(*path));
263 if (asprintf(&path->system, "%.*s", MAX_EVENT_LENGTH, sys_dirent->d_name) < 0) {
267 if (asprintf(&path->name, "%.*s", MAX_EVENT_LENGTH, evt_dirent->d_name) < 0) {
268 zfree(&path->system);
277 put_events_file(dir_path);
284 struct tracepoint_path *tracepoint_name_to_path(const char *name)
286 struct tracepoint_path *path = zalloc(sizeof(*path));
287 char *str = strchr(name, ':');
289 if (path == NULL || str == NULL) {
294 path->system = strndup(name, str - name);
295 path->name = strdup(str+1);
297 if (path->system == NULL || path->name == NULL) {
298 zfree(&path->system);
306 const char *event_type(int type)
309 case PERF_TYPE_HARDWARE:
312 case PERF_TYPE_SOFTWARE:
315 case PERF_TYPE_TRACEPOINT:
318 case PERF_TYPE_HW_CACHE:
319 return "hardware-cache";
328 static int parse_events__is_name_term(struct parse_events_term *term)
330 return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME;
333 static char *get_config_name(struct list_head *head_terms)
335 struct parse_events_term *term;
340 list_for_each_entry(term, head_terms, list)
341 if (parse_events__is_name_term(term))
342 return term->val.str;
347 static struct evsel *
348 __add_event(struct list_head *list, int *idx,
349 struct perf_event_attr *attr,
351 char *name, struct perf_pmu *pmu,
352 struct list_head *config_terms, bool auto_merge_stats,
353 const char *cpu_list)
356 struct perf_cpu_map *cpus = pmu ? perf_cpu_map__get(pmu->cpus) :
357 cpu_list ? perf_cpu_map__new(cpu_list) : NULL;
360 event_attr_init(attr);
362 evsel = evsel__new_idx(attr, *idx);
364 perf_cpu_map__put(cpus);
369 evsel->core.cpus = cpus;
370 evsel->core.own_cpus = perf_cpu_map__get(cpus);
371 evsel->core.system_wide = pmu ? pmu->is_uncore : false;
372 evsel->auto_merge_stats = auto_merge_stats;
375 evsel->name = strdup(name);
378 list_splice(config_terms, &evsel->config_terms);
381 list_add_tail(&evsel->core.node, list);
386 struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr,
387 char *name, struct perf_pmu *pmu)
389 return __add_event(NULL, &idx, attr, false, name, pmu, NULL, false,
393 static int add_event(struct list_head *list, int *idx,
394 struct perf_event_attr *attr, char *name,
395 struct list_head *config_terms)
397 return __add_event(list, idx, attr, true, name, NULL, config_terms,
398 false, NULL) ? 0 : -ENOMEM;
401 static int add_event_tool(struct list_head *list, int *idx,
402 enum perf_tool_event tool_event)
405 struct perf_event_attr attr = {
406 .type = PERF_TYPE_SOFTWARE,
407 .config = PERF_COUNT_SW_DUMMY,
410 evsel = __add_event(list, idx, &attr, true, NULL, NULL, NULL, false,
414 evsel->tool_event = tool_event;
415 if (tool_event == PERF_TOOL_DURATION_TIME)
420 static int parse_aliases(char *str, const char *names[][EVSEL__MAX_ALIASES], int size)
425 for (i = 0; i < size; i++) {
426 for (j = 0; j < EVSEL__MAX_ALIASES && names[i][j]; j++) {
427 n = strlen(names[i][j]);
428 if (n > longest && !strncasecmp(str, names[i][j], n))
438 typedef int config_term_func_t(struct perf_event_attr *attr,
439 struct parse_events_term *term,
440 struct parse_events_error *err);
441 static int config_term_common(struct perf_event_attr *attr,
442 struct parse_events_term *term,
443 struct parse_events_error *err);
444 static int config_attr(struct perf_event_attr *attr,
445 struct list_head *head,
446 struct parse_events_error *err,
447 config_term_func_t config_term);
449 int parse_events_add_cache(struct list_head *list, int *idx,
450 char *type, char *op_result1, char *op_result2,
451 struct parse_events_error *err,
452 struct list_head *head_config)
454 struct perf_event_attr attr;
455 LIST_HEAD(config_terms);
456 char name[MAX_NAME_LEN], *config_name;
457 int cache_type = -1, cache_op = -1, cache_result = -1;
458 char *op_result[2] = { op_result1, op_result2 };
462 * No fallback - if we cannot get a clear cache type
465 cache_type = parse_aliases(type, evsel__hw_cache, PERF_COUNT_HW_CACHE_MAX);
466 if (cache_type == -1)
469 config_name = get_config_name(head_config);
470 n = snprintf(name, MAX_NAME_LEN, "%s", type);
472 for (i = 0; (i < 2) && (op_result[i]); i++) {
473 char *str = op_result[i];
475 n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str);
477 if (cache_op == -1) {
478 cache_op = parse_aliases(str, evsel__hw_cache_op,
479 PERF_COUNT_HW_CACHE_OP_MAX);
481 if (!evsel__is_cache_op_valid(cache_type, cache_op))
487 if (cache_result == -1) {
488 cache_result = parse_aliases(str, evsel__hw_cache_result,
489 PERF_COUNT_HW_CACHE_RESULT_MAX);
490 if (cache_result >= 0)
496 * Fall back to reads:
499 cache_op = PERF_COUNT_HW_CACHE_OP_READ;
502 * Fall back to accesses:
504 if (cache_result == -1)
505 cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS;
507 memset(&attr, 0, sizeof(attr));
508 attr.config = cache_type | (cache_op << 8) | (cache_result << 16);
509 attr.type = PERF_TYPE_HW_CACHE;
512 if (config_attr(&attr, head_config, err,
516 if (get_config_terms(head_config, &config_terms))
519 return add_event(list, idx, &attr, config_name ? : name, &config_terms);
522 static void tracepoint_error(struct parse_events_error *e, int err,
523 const char *sys, const char *name)
532 * We get error directly from syscall errno ( > 0),
533 * or from encoded pointer's error ( < 0).
539 str = "can't access trace events";
542 str = "unknown tracepoint";
545 str = "failed to add tracepoint";
549 tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name);
550 parse_events__handle_error(e, 0, strdup(str), strdup(help));
553 static int add_tracepoint(struct list_head *list, int *idx,
554 const char *sys_name, const char *evt_name,
555 struct parse_events_error *err,
556 struct list_head *head_config)
558 struct evsel *evsel = evsel__newtp_idx(sys_name, evt_name, (*idx)++);
561 tracepoint_error(err, PTR_ERR(evsel), sys_name, evt_name);
562 return PTR_ERR(evsel);
566 LIST_HEAD(config_terms);
568 if (get_config_terms(head_config, &config_terms))
570 list_splice(&config_terms, &evsel->config_terms);
573 list_add_tail(&evsel->core.node, list);
577 static int add_tracepoint_multi_event(struct list_head *list, int *idx,
578 const char *sys_name, const char *evt_name,
579 struct parse_events_error *err,
580 struct list_head *head_config)
583 struct dirent *evt_ent;
585 int ret = 0, found = 0;
587 evt_path = get_events_file(sys_name);
589 tracepoint_error(err, errno, sys_name, evt_name);
592 evt_dir = opendir(evt_path);
594 put_events_file(evt_path);
595 tracepoint_error(err, errno, sys_name, evt_name);
599 while (!ret && (evt_ent = readdir(evt_dir))) {
600 if (!strcmp(evt_ent->d_name, ".")
601 || !strcmp(evt_ent->d_name, "..")
602 || !strcmp(evt_ent->d_name, "enable")
603 || !strcmp(evt_ent->d_name, "filter"))
606 if (!strglobmatch(evt_ent->d_name, evt_name))
611 ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name,
616 tracepoint_error(err, ENOENT, sys_name, evt_name);
620 put_events_file(evt_path);
625 static int add_tracepoint_event(struct list_head *list, int *idx,
626 const char *sys_name, const char *evt_name,
627 struct parse_events_error *err,
628 struct list_head *head_config)
630 return strpbrk(evt_name, "*?") ?
631 add_tracepoint_multi_event(list, idx, sys_name, evt_name,
633 add_tracepoint(list, idx, sys_name, evt_name,
637 static int add_tracepoint_multi_sys(struct list_head *list, int *idx,
638 const char *sys_name, const char *evt_name,
639 struct parse_events_error *err,
640 struct list_head *head_config)
642 struct dirent *events_ent;
646 events_dir = tracing_events__opendir();
648 tracepoint_error(err, errno, sys_name, evt_name);
652 while (!ret && (events_ent = readdir(events_dir))) {
653 if (!strcmp(events_ent->d_name, ".")
654 || !strcmp(events_ent->d_name, "..")
655 || !strcmp(events_ent->d_name, "enable")
656 || !strcmp(events_ent->d_name, "header_event")
657 || !strcmp(events_ent->d_name, "header_page"))
660 if (!strglobmatch(events_ent->d_name, sys_name))
663 ret = add_tracepoint_event(list, idx, events_ent->d_name,
664 evt_name, err, head_config);
667 closedir(events_dir);
671 struct __add_bpf_event_param {
672 struct parse_events_state *parse_state;
673 struct list_head *list;
674 struct list_head *head_config;
677 static int add_bpf_event(const char *group, const char *event, int fd, struct bpf_object *obj,
680 LIST_HEAD(new_evsels);
681 struct __add_bpf_event_param *param = _param;
682 struct parse_events_state *parse_state = param->parse_state;
683 struct list_head *list = param->list;
687 * Check if we should add the event, i.e. if it is a TP but starts with a '!',
688 * then don't add the tracepoint, this will be used for something else, like
689 * adding to a BPF_MAP_TYPE_PROG_ARRAY.
691 * See tools/perf/examples/bpf/augmented_raw_syscalls.c
696 pr_debug("add bpf event %s:%s and attach bpf program %d\n",
699 err = parse_events_add_tracepoint(&new_evsels, &parse_state->idx, group,
700 event, parse_state->error,
703 struct evsel *evsel, *tmp;
705 pr_debug("Failed to add BPF event %s:%s\n",
707 list_for_each_entry_safe(evsel, tmp, &new_evsels, core.node) {
708 list_del_init(&evsel->core.node);
709 evsel__delete(evsel);
713 pr_debug("adding %s:%s\n", group, event);
715 list_for_each_entry(pos, &new_evsels, core.node) {
716 pr_debug("adding %s:%s to %p\n",
721 list_splice(&new_evsels, list);
725 int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
726 struct list_head *list,
727 struct bpf_object *obj,
728 struct list_head *head_config)
732 struct __add_bpf_event_param param = {parse_state, list, head_config};
733 static bool registered_unprobe_atexit = false;
735 if (IS_ERR(obj) || !obj) {
736 snprintf(errbuf, sizeof(errbuf),
737 "Internal error: load bpf obj with NULL");
743 * Register atexit handler before calling bpf__probe() so
744 * bpf__probe() don't need to unprobe probe points its already
745 * created when failure.
747 if (!registered_unprobe_atexit) {
749 registered_unprobe_atexit = true;
752 err = bpf__probe(obj);
754 bpf__strerror_probe(obj, err, errbuf, sizeof(errbuf));
758 err = bpf__load(obj);
760 bpf__strerror_load(obj, err, errbuf, sizeof(errbuf));
764 err = bpf__foreach_event(obj, add_bpf_event, ¶m);
766 snprintf(errbuf, sizeof(errbuf),
767 "Attach events in BPF object failed");
773 parse_events__handle_error(parse_state->error, 0,
774 strdup(errbuf), strdup("(add -v to see detail)"));
779 parse_events_config_bpf(struct parse_events_state *parse_state,
780 struct bpf_object *obj,
781 struct list_head *head_config)
783 struct parse_events_term *term;
786 if (!head_config || list_empty(head_config))
789 list_for_each_entry(term, head_config, list) {
792 if (term->type_term != PARSE_EVENTS__TERM_TYPE_USER) {
793 parse_events__handle_error(parse_state->error, term->err_term,
794 strdup("Invalid config term for BPF object"),
799 err = bpf__config_obj(obj, term, parse_state->evlist, &error_pos);
804 bpf__strerror_config_obj(obj, term, parse_state->evlist,
805 &error_pos, err, errbuf,
808 if (err == -BPF_LOADER_ERRNO__OBJCONF_MAP_VALUE)
811 idx = term->err_term + error_pos;
813 parse_events__handle_error(parse_state->error, idx,
816 "Hint:\tValid config terms:\n"
817 " \tmap:[<arraymap>].value<indices>=[value]\n"
818 " \tmap:[<eventmap>].event<indices>=[event]\n"
820 " \twhere <indices> is something like [0,3...5] or [all]\n"
821 " \t(add -v to see detail)"));
829 * Split config terms:
830 * perf record -e bpf.c/call-graph=fp,map:array.value[0]=1/ ...
831 * 'call-graph=fp' is 'evt config', should be applied to each
833 * 'map:array.value[0]=1' is 'obj config', should be processed
834 * with parse_events_config_bpf.
836 * Move object config terms from the first list to obj_head_config.
839 split_bpf_config_terms(struct list_head *evt_head_config,
840 struct list_head *obj_head_config)
842 struct parse_events_term *term, *temp;
845 * Currectly, all possible user config term
846 * belong to bpf object. parse_events__is_hardcoded_term()
847 * happends to be a good flag.
849 * See parse_events_config_bpf() and
850 * config_term_tracepoint().
852 list_for_each_entry_safe(term, temp, evt_head_config, list)
853 if (!parse_events__is_hardcoded_term(term))
854 list_move_tail(&term->list, obj_head_config);
857 int parse_events_load_bpf(struct parse_events_state *parse_state,
858 struct list_head *list,
861 struct list_head *head_config)
864 struct bpf_object *obj;
865 LIST_HEAD(obj_head_config);
868 split_bpf_config_terms(head_config, &obj_head_config);
870 obj = bpf__prepare_load(bpf_file_name, source);
877 snprintf(errbuf, sizeof(errbuf),
878 "BPF support is not compiled");
880 bpf__strerror_prepare_load(bpf_file_name,
885 parse_events__handle_error(parse_state->error, 0,
886 strdup(errbuf), strdup("(add -v to see detail)"));
890 err = parse_events_load_bpf_obj(parse_state, list, obj, head_config);
893 err = parse_events_config_bpf(parse_state, obj, &obj_head_config);
896 * Caller doesn't know anything about obj_head_config,
897 * so combine them together again before returnning.
900 list_splice_tail(&obj_head_config, head_config);
905 parse_breakpoint_type(const char *type, struct perf_event_attr *attr)
909 for (i = 0; i < 3; i++) {
910 if (!type || !type[i])
913 #define CHECK_SET_TYPE(bit) \
915 if (attr->bp_type & bit) \
918 attr->bp_type |= bit; \
923 CHECK_SET_TYPE(HW_BREAKPOINT_R);
926 CHECK_SET_TYPE(HW_BREAKPOINT_W);
929 CHECK_SET_TYPE(HW_BREAKPOINT_X);
936 #undef CHECK_SET_TYPE
938 if (!attr->bp_type) /* Default */
939 attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W;
944 int parse_events_add_breakpoint(struct list_head *list, int *idx,
945 u64 addr, char *type, u64 len)
947 struct perf_event_attr attr;
949 memset(&attr, 0, sizeof(attr));
952 if (parse_breakpoint_type(type, &attr))
955 /* Provide some defaults if len is not specified */
957 if (attr.bp_type == HW_BREAKPOINT_X)
960 len = HW_BREAKPOINT_LEN_4;
965 attr.type = PERF_TYPE_BREAKPOINT;
966 attr.sample_period = 1;
968 return add_event(list, idx, &attr, NULL, NULL);
971 static int check_type_val(struct parse_events_term *term,
972 struct parse_events_error *err,
975 if (type == term->type_val)
979 parse_events__handle_error(err, term->err_val,
980 type == PARSE_EVENTS__TERM_TYPE_NUM
981 ? strdup("expected numeric value")
982 : strdup("expected string value"),
989 * Update according to parse-events.l
991 static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = {
992 [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>",
993 [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config",
994 [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1",
995 [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2",
996 [PARSE_EVENTS__TERM_TYPE_NAME] = "name",
997 [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period",
998 [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq",
999 [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type",
1000 [PARSE_EVENTS__TERM_TYPE_TIME] = "time",
1001 [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph",
1002 [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size",
1003 [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit",
1004 [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit",
1005 [PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack",
1006 [PARSE_EVENTS__TERM_TYPE_MAX_EVENTS] = "nr",
1007 [PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite",
1008 [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite",
1009 [PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config",
1010 [PARSE_EVENTS__TERM_TYPE_PERCORE] = "percore",
1011 [PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT] = "aux-output",
1012 [PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE] = "aux-sample-size",
1015 static bool config_term_shrinked;
1018 config_term_avail(int term_type, struct parse_events_error *err)
1022 if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) {
1023 parse_events__handle_error(err, -1,
1024 strdup("Invalid term_type"), NULL);
1027 if (!config_term_shrinked)
1030 switch (term_type) {
1031 case PARSE_EVENTS__TERM_TYPE_CONFIG:
1032 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
1033 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
1034 case PARSE_EVENTS__TERM_TYPE_NAME:
1035 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
1036 case PARSE_EVENTS__TERM_TYPE_PERCORE:
1042 /* term_type is validated so indexing is safe */
1043 if (asprintf(&err_str, "'%s' is not usable in 'perf stat'",
1044 config_term_names[term_type]) >= 0)
1045 parse_events__handle_error(err, -1, err_str, NULL);
1050 void parse_events__shrink_config_terms(void)
1052 config_term_shrinked = true;
1055 static int config_term_common(struct perf_event_attr *attr,
1056 struct parse_events_term *term,
1057 struct parse_events_error *err)
1059 #define CHECK_TYPE_VAL(type) \
1061 if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \
1065 switch (term->type_term) {
1066 case PARSE_EVENTS__TERM_TYPE_CONFIG:
1067 CHECK_TYPE_VAL(NUM);
1068 attr->config = term->val.num;
1070 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
1071 CHECK_TYPE_VAL(NUM);
1072 attr->config1 = term->val.num;
1074 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
1075 CHECK_TYPE_VAL(NUM);
1076 attr->config2 = term->val.num;
1078 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
1079 CHECK_TYPE_VAL(NUM);
1081 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
1082 CHECK_TYPE_VAL(NUM);
1084 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
1085 CHECK_TYPE_VAL(STR);
1086 if (strcmp(term->val.str, "no") &&
1087 parse_branch_str(term->val.str,
1088 &attr->branch_sample_type)) {
1089 parse_events__handle_error(err, term->err_val,
1090 strdup("invalid branch sample type"),
1095 case PARSE_EVENTS__TERM_TYPE_TIME:
1096 CHECK_TYPE_VAL(NUM);
1097 if (term->val.num > 1) {
1098 parse_events__handle_error(err, term->err_val,
1099 strdup("expected 0 or 1"),
1104 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
1105 CHECK_TYPE_VAL(STR);
1107 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
1108 CHECK_TYPE_VAL(NUM);
1110 case PARSE_EVENTS__TERM_TYPE_INHERIT:
1111 CHECK_TYPE_VAL(NUM);
1113 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
1114 CHECK_TYPE_VAL(NUM);
1116 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
1117 CHECK_TYPE_VAL(NUM);
1119 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
1120 CHECK_TYPE_VAL(NUM);
1122 case PARSE_EVENTS__TERM_TYPE_NAME:
1123 CHECK_TYPE_VAL(STR);
1125 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
1126 CHECK_TYPE_VAL(NUM);
1128 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
1129 CHECK_TYPE_VAL(NUM);
1131 case PARSE_EVENTS__TERM_TYPE_PERCORE:
1132 CHECK_TYPE_VAL(NUM);
1133 if ((unsigned int)term->val.num > 1) {
1134 parse_events__handle_error(err, term->err_val,
1135 strdup("expected 0 or 1"),
1140 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
1141 CHECK_TYPE_VAL(NUM);
1143 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
1144 CHECK_TYPE_VAL(NUM);
1145 if (term->val.num > UINT_MAX) {
1146 parse_events__handle_error(err, term->err_val,
1153 parse_events__handle_error(err, term->err_term,
1154 strdup("unknown term"),
1155 parse_events_formats_error_string(NULL));
1160 * Check term availbility after basic checking so
1161 * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered.
1163 * If check availbility at the entry of this function,
1164 * user will see "'<sysfs term>' is not usable in 'perf stat'"
1165 * if an invalid config term is provided for legacy events
1166 * (for example, instructions/badterm/...), which is confusing.
1168 if (!config_term_avail(term->type_term, err))
1171 #undef CHECK_TYPE_VAL
1174 static int config_term_pmu(struct perf_event_attr *attr,
1175 struct parse_events_term *term,
1176 struct parse_events_error *err)
1178 if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER ||
1179 term->type_term == PARSE_EVENTS__TERM_TYPE_DRV_CFG)
1181 * Always succeed for sysfs terms, as we dont know
1182 * at this point what type they need to have.
1186 return config_term_common(attr, term, err);
1189 static int config_term_tracepoint(struct perf_event_attr *attr,
1190 struct parse_events_term *term,
1191 struct parse_events_error *err)
1193 switch (term->type_term) {
1194 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
1195 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
1196 case PARSE_EVENTS__TERM_TYPE_INHERIT:
1197 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
1198 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
1199 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
1200 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
1201 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
1202 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
1203 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
1204 return config_term_common(attr, term, err);
1207 parse_events__handle_error(err, term->err_term,
1208 strdup("unknown term"),
1209 strdup("valid terms: call-graph,stack-size\n"));
1217 static int config_attr(struct perf_event_attr *attr,
1218 struct list_head *head,
1219 struct parse_events_error *err,
1220 config_term_func_t config_term)
1222 struct parse_events_term *term;
1224 list_for_each_entry(term, head, list)
1225 if (config_term(attr, term, err))
1231 static int get_config_terms(struct list_head *head_config,
1232 struct list_head *head_terms __maybe_unused)
1234 #define ADD_CONFIG_TERM(__type, __weak) \
1235 struct evsel_config_term *__t; \
1237 __t = zalloc(sizeof(*__t)); \
1241 INIT_LIST_HEAD(&__t->list); \
1242 __t->type = EVSEL__CONFIG_TERM_ ## __type; \
1243 __t->weak = __weak; \
1244 list_add_tail(&__t->list, head_terms)
1246 #define ADD_CONFIG_TERM_VAL(__type, __name, __val, __weak) \
1248 ADD_CONFIG_TERM(__type, __weak); \
1249 __t->val.__name = __val; \
1252 #define ADD_CONFIG_TERM_STR(__type, __val, __weak) \
1254 ADD_CONFIG_TERM(__type, __weak); \
1255 __t->val.str = strdup(__val); \
1256 if (!__t->val.str) { \
1260 __t->free_str = true; \
1263 struct parse_events_term *term;
1265 list_for_each_entry(term, head_config, list) {
1266 switch (term->type_term) {
1267 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
1268 ADD_CONFIG_TERM_VAL(PERIOD, period, term->val.num, term->weak);
1270 case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ:
1271 ADD_CONFIG_TERM_VAL(FREQ, freq, term->val.num, term->weak);
1273 case PARSE_EVENTS__TERM_TYPE_TIME:
1274 ADD_CONFIG_TERM_VAL(TIME, time, term->val.num, term->weak);
1276 case PARSE_EVENTS__TERM_TYPE_CALLGRAPH:
1277 ADD_CONFIG_TERM_STR(CALLGRAPH, term->val.str, term->weak);
1279 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
1280 ADD_CONFIG_TERM_STR(BRANCH, term->val.str, term->weak);
1282 case PARSE_EVENTS__TERM_TYPE_STACKSIZE:
1283 ADD_CONFIG_TERM_VAL(STACK_USER, stack_user,
1284 term->val.num, term->weak);
1286 case PARSE_EVENTS__TERM_TYPE_INHERIT:
1287 ADD_CONFIG_TERM_VAL(INHERIT, inherit,
1288 term->val.num ? 1 : 0, term->weak);
1290 case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
1291 ADD_CONFIG_TERM_VAL(INHERIT, inherit,
1292 term->val.num ? 0 : 1, term->weak);
1294 case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
1295 ADD_CONFIG_TERM_VAL(MAX_STACK, max_stack,
1296 term->val.num, term->weak);
1298 case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
1299 ADD_CONFIG_TERM_VAL(MAX_EVENTS, max_events,
1300 term->val.num, term->weak);
1302 case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
1303 ADD_CONFIG_TERM_VAL(OVERWRITE, overwrite,
1304 term->val.num ? 1 : 0, term->weak);
1306 case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
1307 ADD_CONFIG_TERM_VAL(OVERWRITE, overwrite,
1308 term->val.num ? 0 : 1, term->weak);
1310 case PARSE_EVENTS__TERM_TYPE_DRV_CFG:
1311 ADD_CONFIG_TERM_STR(DRV_CFG, term->val.str, term->weak);
1313 case PARSE_EVENTS__TERM_TYPE_PERCORE:
1314 ADD_CONFIG_TERM_VAL(PERCORE, percore,
1315 term->val.num ? true : false, term->weak);
1317 case PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT:
1318 ADD_CONFIG_TERM_VAL(AUX_OUTPUT, aux_output,
1319 term->val.num ? 1 : 0, term->weak);
1321 case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
1322 ADD_CONFIG_TERM_VAL(AUX_SAMPLE_SIZE, aux_sample_size,
1323 term->val.num, term->weak);
1333 * Add EVSEL__CONFIG_TERM_CFG_CHG where cfg_chg will have a bit set for
1334 * each bit of attr->config that the user has changed.
1336 static int get_config_chgs(struct perf_pmu *pmu, struct list_head *head_config,
1337 struct list_head *head_terms)
1339 struct parse_events_term *term;
1343 list_for_each_entry(term, head_config, list) {
1344 switch (term->type_term) {
1345 case PARSE_EVENTS__TERM_TYPE_USER:
1346 type = perf_pmu__format_type(&pmu->format, term->config);
1347 if (type != PERF_PMU_FORMAT_VALUE_CONFIG)
1349 bits |= perf_pmu__format_bits(&pmu->format, term->config);
1351 case PARSE_EVENTS__TERM_TYPE_CONFIG:
1360 ADD_CONFIG_TERM_VAL(CFG_CHG, cfg_chg, bits, false);
1362 #undef ADD_CONFIG_TERM
1366 int parse_events_add_tracepoint(struct list_head *list, int *idx,
1367 const char *sys, const char *event,
1368 struct parse_events_error *err,
1369 struct list_head *head_config)
1372 struct perf_event_attr attr;
1374 if (config_attr(&attr, head_config, err,
1375 config_term_tracepoint))
1379 if (strpbrk(sys, "*?"))
1380 return add_tracepoint_multi_sys(list, idx, sys, event,
1383 return add_tracepoint_event(list, idx, sys, event,
1387 int parse_events_add_numeric(struct parse_events_state *parse_state,
1388 struct list_head *list,
1389 u32 type, u64 config,
1390 struct list_head *head_config)
1392 struct perf_event_attr attr;
1393 LIST_HEAD(config_terms);
1395 memset(&attr, 0, sizeof(attr));
1397 attr.config = config;
1400 if (config_attr(&attr, head_config, parse_state->error,
1401 config_term_common))
1404 if (get_config_terms(head_config, &config_terms))
1408 return add_event(list, &parse_state->idx, &attr,
1409 get_config_name(head_config), &config_terms);
1412 int parse_events_add_tool(struct parse_events_state *parse_state,
1413 struct list_head *list,
1414 enum perf_tool_event tool_event)
1416 return add_event_tool(list, &parse_state->idx, tool_event);
1419 static bool config_term_percore(struct list_head *config_terms)
1421 struct evsel_config_term *term;
1423 list_for_each_entry(term, config_terms, list) {
1424 if (term->type == EVSEL__CONFIG_TERM_PERCORE)
1425 return term->val.percore;
1431 int parse_events_add_pmu(struct parse_events_state *parse_state,
1432 struct list_head *list, char *name,
1433 struct list_head *head_config,
1434 bool auto_merge_stats,
1437 struct perf_event_attr attr;
1438 struct perf_pmu_info info;
1439 struct perf_pmu *pmu;
1440 struct evsel *evsel;
1441 struct parse_events_error *err = parse_state->error;
1442 bool use_uncore_alias;
1443 LIST_HEAD(config_terms);
1446 fprintf(stderr, "Attempting to add event pmu '%s' with '",
1449 struct parse_events_term *term;
1451 list_for_each_entry(term, head_config, list) {
1452 fprintf(stderr, "%s,", term->config);
1455 fprintf(stderr, "' that may result in non-fatal errors\n");
1458 pmu = parse_state->fake_pmu ?: perf_pmu__find(name);
1462 if (asprintf(&err_str,
1463 "Cannot find PMU `%s'. Missing kernel support?",
1465 parse_events__handle_error(err, 0, err_str, NULL);
1469 if (pmu->default_config) {
1470 memcpy(&attr, pmu->default_config,
1471 sizeof(struct perf_event_attr));
1473 memset(&attr, 0, sizeof(attr));
1476 use_uncore_alias = (pmu->is_uncore && use_alias);
1479 attr.type = pmu->type;
1480 evsel = __add_event(list, &parse_state->idx, &attr, true, NULL,
1481 pmu, NULL, auto_merge_stats, NULL);
1483 evsel->pmu_name = name ? strdup(name) : NULL;
1484 evsel->use_uncore_alias = use_uncore_alias;
1491 if (!parse_state->fake_pmu && perf_pmu__check_alias(pmu, head_config, &info))
1495 fprintf(stderr, "After aliases, add event pmu '%s' with '",
1498 struct parse_events_term *term;
1500 list_for_each_entry(term, head_config, list) {
1501 fprintf(stderr, "%s,", term->config);
1504 fprintf(stderr, "' that may result in non-fatal errors\n");
1508 * Configure hardcoded terms first, no need to check
1509 * return value when called with fail == 0 ;)
1511 if (config_attr(&attr, head_config, parse_state->error, config_term_pmu))
1514 if (get_config_terms(head_config, &config_terms))
1518 * When using default config, record which bits of attr->config were
1519 * changed by the user.
1521 if (pmu->default_config && get_config_chgs(pmu, head_config, &config_terms))
1524 if (!parse_state->fake_pmu && perf_pmu__config(pmu, &attr, head_config, parse_state->error)) {
1525 struct evsel_config_term *pos, *tmp;
1527 list_for_each_entry_safe(pos, tmp, &config_terms, list) {
1528 list_del_init(&pos->list);
1530 zfree(&pos->val.str);
1536 evsel = __add_event(list, &parse_state->idx, &attr, true,
1537 get_config_name(head_config), pmu,
1538 &config_terms, auto_merge_stats, NULL);
1542 evsel->pmu_name = name ? strdup(name) : NULL;
1543 evsel->use_uncore_alias = use_uncore_alias;
1544 evsel->percore = config_term_percore(&evsel->config_terms);
1546 if (parse_state->fake_pmu)
1549 evsel->unit = info.unit;
1550 evsel->scale = info.scale;
1551 evsel->per_pkg = info.per_pkg;
1552 evsel->snapshot = info.snapshot;
1553 evsel->metric_expr = info.metric_expr;
1554 evsel->metric_name = info.metric_name;
1558 int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
1559 char *str, struct list_head **listp)
1561 struct parse_events_term *term;
1562 struct list_head *list;
1563 struct perf_pmu *pmu = NULL;
1567 /* Add it for all PMUs that support the alias */
1568 list = malloc(sizeof(struct list_head));
1571 INIT_LIST_HEAD(list);
1572 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
1573 struct perf_pmu_alias *alias;
1575 list_for_each_entry(alias, &pmu->aliases, list) {
1576 if (!strcasecmp(alias->name, str)) {
1577 struct list_head *head;
1580 head = malloc(sizeof(struct list_head));
1583 INIT_LIST_HEAD(head);
1584 config = strdup(str);
1587 if (parse_events_term__num(&term,
1588 PARSE_EVENTS__TERM_TYPE_USER,
1589 config, 1, false, &config,
1595 list_add_tail(&term->list, head);
1597 if (!parse_events_add_pmu(parse_state, list,
1600 pr_debug("%s -> %s/%s/\n", str,
1601 pmu->name, alias->str);
1605 parse_events_terms__delete(head);
1617 int parse_events__modifier_group(struct list_head *list,
1620 return parse_events__modifier_event(list, event_mod, true);
1624 * Check if the two uncore PMUs are from the same uncore block
1625 * The format of the uncore PMU name is uncore_#blockname_#pmuidx
1627 static bool is_same_uncore_block(const char *pmu_name_a, const char *pmu_name_b)
1629 char *end_a, *end_b;
1631 end_a = strrchr(pmu_name_a, '_');
1632 end_b = strrchr(pmu_name_b, '_');
1634 if (!end_a || !end_b)
1637 if ((end_a - pmu_name_a) != (end_b - pmu_name_b))
1640 return (strncmp(pmu_name_a, pmu_name_b, end_a - pmu_name_a) == 0);
1644 parse_events__set_leader_for_uncore_aliase(char *name, struct list_head *list,
1645 struct parse_events_state *parse_state)
1647 struct evsel *evsel, *leader;
1649 bool is_leader = true;
1650 int i, nr_pmu = 0, total_members, ret = 0;
1652 leader = list_first_entry(list, struct evsel, core.node);
1653 evsel = list_last_entry(list, struct evsel, core.node);
1654 total_members = evsel->idx - leader->idx + 1;
1656 leaders = calloc(total_members, sizeof(uintptr_t));
1657 if (WARN_ON(!leaders))
1661 * Going through the whole group and doing sanity check.
1662 * All members must use alias, and be from the same uncore block.
1663 * Also, storing the leader events in an array.
1665 __evlist__for_each_entry(list, evsel) {
1667 /* Only split the uncore group which members use alias */
1668 if (!evsel->use_uncore_alias)
1671 /* The events must be from the same uncore block */
1672 if (!is_same_uncore_block(leader->pmu_name, evsel->pmu_name))
1678 * If the event's PMU name starts to repeat, it must be a new
1679 * event. That can be used to distinguish the leader from
1680 * other members, even they have the same event name.
1682 if ((leader != evsel) &&
1683 !strcmp(leader->pmu_name, evsel->pmu_name)) {
1688 /* Store the leader event for each PMU */
1689 leaders[nr_pmu++] = (uintptr_t) evsel;
1692 /* only one event alias */
1693 if (nr_pmu == total_members) {
1694 parse_state->nr_groups--;
1699 * An uncore event alias is a joint name which means the same event
1700 * runs on all PMUs of a block.
1701 * Perf doesn't support mixed events from different PMUs in the same
1702 * group. The big group has to be split into multiple small groups
1703 * which only include the events from the same PMU.
1705 * Here the uncore event aliases must be from the same uncore block.
1706 * The number of PMUs must be same for each alias. The number of new
1707 * small groups equals to the number of PMUs.
1708 * Setting the leader event for corresponding members in each group.
1711 __evlist__for_each_entry(list, evsel) {
1714 evsel->leader = (struct evsel *) leaders[i++];
1717 /* The number of members and group name are same for each group */
1718 for (i = 0; i < nr_pmu; i++) {
1719 evsel = (struct evsel *) leaders[i];
1720 evsel->core.nr_members = total_members / nr_pmu;
1721 evsel->group_name = name ? strdup(name) : NULL;
1724 /* Take the new small groups into account */
1725 parse_state->nr_groups += nr_pmu - 1;
1734 void parse_events__set_leader(char *name, struct list_head *list,
1735 struct parse_events_state *parse_state)
1737 struct evsel *leader;
1739 if (list_empty(list)) {
1740 WARN_ONCE(true, "WARNING: failed to set leader: empty list");
1744 if (parse_events__set_leader_for_uncore_aliase(name, list, parse_state))
1747 __perf_evlist__set_leader(list);
1748 leader = list_entry(list->next, struct evsel, core.node);
1749 leader->group_name = name ? strdup(name) : NULL;
1752 /* list_event is assumed to point to malloc'ed memory */
1753 void parse_events_update_lists(struct list_head *list_event,
1754 struct list_head *list_all)
1757 * Called for single event definition. Update the
1758 * 'all event' list, and reinit the 'single event'
1759 * list, for next event definition.
1761 list_splice_tail(list_event, list_all);
1765 struct event_modifier {
1781 static int get_event_modifier(struct event_modifier *mod, char *str,
1782 struct evsel *evsel)
1784 int eu = evsel ? evsel->core.attr.exclude_user : 0;
1785 int ek = evsel ? evsel->core.attr.exclude_kernel : 0;
1786 int eh = evsel ? evsel->core.attr.exclude_hv : 0;
1787 int eH = evsel ? evsel->core.attr.exclude_host : 0;
1788 int eG = evsel ? evsel->core.attr.exclude_guest : 0;
1789 int eI = evsel ? evsel->core.attr.exclude_idle : 0;
1790 int precise = evsel ? evsel->core.attr.precise_ip : 0;
1791 int precise_max = 0;
1792 int sample_read = 0;
1793 int pinned = evsel ? evsel->core.attr.pinned : 0;
1794 int exclusive = evsel ? evsel->core.attr.exclusive : 0;
1796 int exclude = eu | ek | eh;
1797 int exclude_GH = evsel ? evsel->exclude_GH : 0;
1800 memset(mod, 0, sizeof(*mod));
1805 exclude = eu = ek = eh = 1;
1806 if (!exclude_GH && !perf_guest)
1809 } else if (*str == 'k') {
1811 exclude = eu = ek = eh = 1;
1813 } else if (*str == 'h') {
1815 exclude = eu = ek = eh = 1;
1817 } else if (*str == 'G') {
1819 exclude_GH = eG = eH = 1;
1821 } else if (*str == 'H') {
1823 exclude_GH = eG = eH = 1;
1825 } else if (*str == 'I') {
1827 } else if (*str == 'p') {
1829 /* use of precise requires exclude_guest */
1832 } else if (*str == 'P') {
1834 } else if (*str == 'S') {
1836 } else if (*str == 'D') {
1838 } else if (*str == 'e') {
1840 } else if (*str == 'W') {
1851 * 0 - SAMPLE_IP can have arbitrary skid
1852 * 1 - SAMPLE_IP must have constant skid
1853 * 2 - SAMPLE_IP requested to have 0 skid
1854 * 3 - SAMPLE_IP must have 0 skid
1856 * See also PERF_RECORD_MISC_EXACT_IP
1867 mod->precise = precise;
1868 mod->precise_max = precise_max;
1869 mod->exclude_GH = exclude_GH;
1870 mod->sample_read = sample_read;
1871 mod->pinned = pinned;
1873 mod->exclusive = exclusive;
1879 * Basic modifier sanity check to validate it contains only one
1880 * instance of any modifier (apart from 'p') present.
1882 static int check_modifier(char *str)
1886 /* The sizeof includes 0 byte as well. */
1887 if (strlen(str) > (sizeof("ukhGHpppPSDIWe") - 1))
1891 if (*p != 'p' && strchr(p + 1, *p))
1899 int parse_events__modifier_event(struct list_head *list, char *str, bool add)
1901 struct evsel *evsel;
1902 struct event_modifier mod;
1907 if (check_modifier(str))
1910 if (!add && get_event_modifier(&mod, str, NULL))
1913 __evlist__for_each_entry(list, evsel) {
1914 if (add && get_event_modifier(&mod, str, evsel))
1917 evsel->core.attr.exclude_user = mod.eu;
1918 evsel->core.attr.exclude_kernel = mod.ek;
1919 evsel->core.attr.exclude_hv = mod.eh;
1920 evsel->core.attr.precise_ip = mod.precise;
1921 evsel->core.attr.exclude_host = mod.eH;
1922 evsel->core.attr.exclude_guest = mod.eG;
1923 evsel->core.attr.exclude_idle = mod.eI;
1924 evsel->exclude_GH = mod.exclude_GH;
1925 evsel->sample_read = mod.sample_read;
1926 evsel->precise_max = mod.precise_max;
1927 evsel->weak_group = mod.weak;
1929 if (evsel__is_group_leader(evsel)) {
1930 evsel->core.attr.pinned = mod.pinned;
1931 evsel->core.attr.exclusive = mod.exclusive;
1938 int parse_events_name(struct list_head *list, char *name)
1940 struct evsel *evsel;
1942 __evlist__for_each_entry(list, evsel) {
1944 evsel->name = strdup(name);
1951 comp_pmu(const void *p1, const void *p2)
1953 struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1;
1954 struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2;
1956 return strcasecmp(pmu1->symbol, pmu2->symbol);
1959 static void perf_pmu__parse_cleanup(void)
1961 if (perf_pmu_events_list_num > 0) {
1962 struct perf_pmu_event_symbol *p;
1965 for (i = 0; i < perf_pmu_events_list_num; i++) {
1966 p = perf_pmu_events_list + i;
1969 zfree(&perf_pmu_events_list);
1970 perf_pmu_events_list_num = 0;
1974 #define SET_SYMBOL(str, stype) \
1983 * Read the pmu events list from sysfs
1984 * Save it into perf_pmu_events_list
1986 static void perf_pmu__parse_init(void)
1989 struct perf_pmu *pmu = NULL;
1990 struct perf_pmu_alias *alias;
1994 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
1995 list_for_each_entry(alias, &pmu->aliases, list) {
1996 if (strchr(alias->name, '-'))
2003 perf_pmu_events_list_num = -1;
2006 perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len);
2007 if (!perf_pmu_events_list)
2009 perf_pmu_events_list_num = len;
2013 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
2014 list_for_each_entry(alias, &pmu->aliases, list) {
2015 struct perf_pmu_event_symbol *p = perf_pmu_events_list + len;
2016 char *tmp = strchr(alias->name, '-');
2019 SET_SYMBOL(strndup(alias->name, tmp - alias->name),
2020 PMU_EVENT_SYMBOL_PREFIX);
2022 SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX);
2025 SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL);
2030 qsort(perf_pmu_events_list, len,
2031 sizeof(struct perf_pmu_event_symbol), comp_pmu);
2035 perf_pmu__parse_cleanup();
2039 * This function injects special term in
2040 * perf_pmu_events_list so the test code
2041 * can check on this functionality.
2043 int perf_pmu__test_parse_init(void)
2045 struct perf_pmu_event_symbol *list;
2047 list = malloc(sizeof(*list) * 1);
2051 list->type = PMU_EVENT_SYMBOL;
2052 list->symbol = strdup("read");
2054 if (!list->symbol) {
2059 perf_pmu_events_list = list;
2060 perf_pmu_events_list_num = 1;
2064 enum perf_pmu_event_symbol_type
2065 perf_pmu__parse_check(const char *name)
2067 struct perf_pmu_event_symbol p, *r;
2069 /* scan kernel pmu events from sysfs if needed */
2070 if (perf_pmu_events_list_num == 0)
2071 perf_pmu__parse_init();
2073 * name "cpu" could be prefix of cpu-cycles or cpu// events.
2074 * cpu-cycles has been handled by hardcode.
2075 * So it must be cpu// events, not kernel pmu event.
2077 if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu"))
2078 return PMU_EVENT_SYMBOL_ERR;
2080 p.symbol = strdup(name);
2081 r = bsearch(&p, perf_pmu_events_list,
2082 (size_t) perf_pmu_events_list_num,
2083 sizeof(struct perf_pmu_event_symbol), comp_pmu);
2085 return r ? r->type : PMU_EVENT_SYMBOL_ERR;
2088 static int parse_events__scanner(const char *str,
2089 struct parse_events_state *parse_state)
2091 YY_BUFFER_STATE buffer;
2095 ret = parse_events_lex_init_extra(parse_state, &scanner);
2099 buffer = parse_events__scan_string(str, scanner);
2102 parse_events_debug = 1;
2103 parse_events_set_debug(1, scanner);
2105 ret = parse_events_parse(parse_state, scanner);
2107 parse_events__flush_buffer(buffer, scanner);
2108 parse_events__delete_buffer(buffer, scanner);
2109 parse_events_lex_destroy(scanner);
2114 * parse event config string, return a list of event terms.
2116 int parse_events_terms(struct list_head *terms, const char *str)
2118 struct parse_events_state parse_state = {
2120 .stoken = PE_START_TERMS,
2124 ret = parse_events__scanner(str, &parse_state);
2125 perf_pmu__parse_cleanup();
2128 list_splice(parse_state.terms, terms);
2129 zfree(&parse_state.terms);
2133 parse_events_terms__delete(parse_state.terms);
2137 int __parse_events(struct evlist *evlist, const char *str,
2138 struct parse_events_error *err, struct perf_pmu *fake_pmu)
2140 struct parse_events_state parse_state = {
2141 .list = LIST_HEAD_INIT(parse_state.list),
2142 .idx = evlist->core.nr_entries,
2145 .stoken = PE_START_EVENTS,
2146 .fake_pmu = fake_pmu,
2150 ret = parse_events__scanner(str, &parse_state);
2151 perf_pmu__parse_cleanup();
2153 if (!ret && list_empty(&parse_state.list)) {
2154 WARN_ONCE(true, "WARNING: event parser found nothing\n");
2159 * Add list to the evlist even with errors to allow callers to clean up.
2161 perf_evlist__splice_list_tail(evlist, &parse_state.list);
2166 evlist->nr_groups += parse_state.nr_groups;
2167 last = evlist__last(evlist);
2168 last->cmdline_group_boundary = true;
2174 * There are 2 users - builtin-record and builtin-test objects.
2175 * Both call evlist__delete in case of error, so we dont
2181 #define MAX_WIDTH 1000
2182 static int get_term_width(void)
2186 get_term_dimensions(&ws);
2187 return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col;
2190 static void __parse_events_print_error(int err_idx, const char *err_str,
2191 const char *err_help, const char *event)
2193 const char *str = "invalid or unsupported event: ";
2194 char _buf[MAX_WIDTH];
2195 char *buf = (char *) event;
2198 /* -2 for extra '' in the final fprintf */
2199 int width = get_term_width() - 2;
2200 int len_event = strlen(event);
2201 int len_str, max_len, cut = 0;
2204 * Maximum error index indent, we will cut
2205 * the event string if it's bigger.
2207 int max_err_idx = 13;
2210 * Let's be specific with the message when
2211 * we have the precise error.
2213 str = "event syntax error: ";
2214 len_str = strlen(str);
2215 max_len = width - len_str;
2219 /* We're cutting from the beginning. */
2220 if (err_idx > max_err_idx)
2221 cut = err_idx - max_err_idx;
2223 strncpy(buf, event + cut, max_len);
2225 /* Mark cut parts with '..' on both sides. */
2227 buf[0] = buf[1] = '.';
2229 if ((len_event - cut) > max_len) {
2230 buf[max_len - 1] = buf[max_len - 2] = '.';
2234 idx = len_str + err_idx - cut;
2237 fprintf(stderr, "%s'%s'\n", str, buf);
2239 fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err_str);
2241 fprintf(stderr, "\n%s\n", err_help);
2245 void parse_events_print_error(struct parse_events_error *err,
2248 if (!err->num_errors)
2251 __parse_events_print_error(err->idx, err->str, err->help, event);
2255 if (err->num_errors > 1) {
2256 fputs("\nInitial error:\n", stderr);
2257 __parse_events_print_error(err->first_idx, err->first_str,
2258 err->first_help, event);
2259 zfree(&err->first_str);
2260 zfree(&err->first_help);
2266 int parse_events_option(const struct option *opt, const char *str,
2267 int unset __maybe_unused)
2269 struct evlist *evlist = *(struct evlist **)opt->value;
2270 struct parse_events_error err;
2273 bzero(&err, sizeof(err));
2274 ret = parse_events(evlist, str, &err);
2277 parse_events_print_error(&err, str);
2278 fprintf(stderr, "Run 'perf list' for a list of valid events\n");
2284 int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset)
2286 struct evlist **evlistp = opt->value;
2289 if (*evlistp == NULL) {
2290 *evlistp = evlist__new();
2292 if (*evlistp == NULL) {
2293 fprintf(stderr, "Not enough memory to create evlist\n");
2298 ret = parse_events_option(opt, str, unset);
2300 evlist__delete(*evlistp);
2308 foreach_evsel_in_last_glob(struct evlist *evlist,
2309 int (*func)(struct evsel *evsel,
2313 struct evsel *last = NULL;
2317 * Don't return when list_empty, give func a chance to report
2318 * error when it found last == NULL.
2320 * So no need to WARN here, let *func do this.
2322 if (evlist->core.nr_entries > 0)
2323 last = evlist__last(evlist);
2326 err = (*func)(last, arg);
2332 if (last->core.node.prev == &evlist->core.entries)
2334 last = list_entry(last->core.node.prev, struct evsel, core.node);
2335 } while (!last->cmdline_group_boundary);
2340 static int set_filter(struct evsel *evsel, const void *arg)
2342 const char *str = arg;
2344 int nr_addr_filters = 0;
2345 struct perf_pmu *pmu = NULL;
2347 if (evsel == NULL) {
2349 "--filter option should follow a -e tracepoint or HW tracer option\n");
2353 if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) {
2354 if (evsel__append_tp_filter(evsel, str) < 0) {
2356 "not enough memory to hold filter string\n");
2363 while ((pmu = perf_pmu__scan(pmu)) != NULL)
2364 if (pmu->type == evsel->core.attr.type) {
2370 perf_pmu__scan_file(pmu, "nr_addr_filters",
2371 "%d", &nr_addr_filters);
2373 if (!nr_addr_filters) {
2375 "This CPU does not support address filtering\n");
2379 if (evsel__append_addr_filter(evsel, str) < 0) {
2381 "not enough memory to hold filter string\n");
2388 int parse_filter(const struct option *opt, const char *str,
2389 int unset __maybe_unused)
2391 struct evlist *evlist = *(struct evlist **)opt->value;
2393 return foreach_evsel_in_last_glob(evlist, set_filter,
2397 static int add_exclude_perf_filter(struct evsel *evsel,
2398 const void *arg __maybe_unused)
2400 char new_filter[64];
2402 if (evsel == NULL || evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2404 "--exclude-perf option should follow a -e tracepoint option\n");
2408 snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid());
2410 if (evsel__append_tp_filter(evsel, new_filter) < 0) {
2412 "not enough memory to hold filter string\n");
2419 int exclude_perf(const struct option *opt,
2420 const char *arg __maybe_unused,
2421 int unset __maybe_unused)
2423 struct evlist *evlist = *(struct evlist **)opt->value;
2425 return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter,
2429 static const char * const event_type_descriptors[] = {
2433 "Hardware cache event",
2434 "Raw hardware event descriptor",
2435 "Hardware breakpoint",
2438 static int cmp_string(const void *a, const void *b)
2440 const char * const *as = a;
2441 const char * const *bs = b;
2443 return strcmp(*as, *bs);
2447 * Print the events from <debugfs_mount_point>/tracing/events
2450 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
2453 DIR *sys_dir, *evt_dir;
2454 struct dirent *sys_dirent, *evt_dirent;
2455 char evt_path[MAXPATHLEN];
2457 char **evt_list = NULL;
2458 unsigned int evt_i = 0, evt_num = 0;
2459 bool evt_num_known = false;
2462 sys_dir = tracing_events__opendir();
2466 if (evt_num_known) {
2467 evt_list = zalloc(sizeof(char *) * evt_num);
2469 goto out_close_sys_dir;
2472 for_each_subsystem(sys_dir, sys_dirent) {
2473 if (subsys_glob != NULL &&
2474 !strglobmatch(sys_dirent->d_name, subsys_glob))
2477 dir_path = get_events_file(sys_dirent->d_name);
2480 evt_dir = opendir(dir_path);
2484 for_each_event(dir_path, evt_dir, evt_dirent) {
2485 if (event_glob != NULL &&
2486 !strglobmatch(evt_dirent->d_name, event_glob))
2489 if (!evt_num_known) {
2494 snprintf(evt_path, MAXPATHLEN, "%s:%s",
2495 sys_dirent->d_name, evt_dirent->d_name);
2497 evt_list[evt_i] = strdup(evt_path);
2498 if (evt_list[evt_i] == NULL) {
2499 put_events_file(dir_path);
2500 goto out_close_evt_dir;
2506 put_events_file(dir_path);
2510 if (!evt_num_known) {
2511 evt_num_known = true;
2514 qsort(evt_list, evt_num, sizeof(char *), cmp_string);
2516 while (evt_i < evt_num) {
2518 printf("%s ", evt_list[evt_i++]);
2521 printf(" %-50s [%s]\n", evt_list[evt_i++],
2522 event_type_descriptors[PERF_TYPE_TRACEPOINT]);
2524 if (evt_num && pager_in_use())
2529 for (evt_i = 0; evt_i < evt_num; evt_i++)
2530 zfree(&evt_list[evt_i]);
2539 printf("FATAL: not enough memory to print %s\n",
2540 event_type_descriptors[PERF_TYPE_TRACEPOINT]);
2546 * Check whether event is in <debugfs_mount_point>/tracing/events
2549 int is_valid_tracepoint(const char *event_string)
2551 DIR *sys_dir, *evt_dir;
2552 struct dirent *sys_dirent, *evt_dirent;
2553 char evt_path[MAXPATHLEN];
2556 sys_dir = tracing_events__opendir();
2560 for_each_subsystem(sys_dir, sys_dirent) {
2561 dir_path = get_events_file(sys_dirent->d_name);
2564 evt_dir = opendir(dir_path);
2568 for_each_event(dir_path, evt_dir, evt_dirent) {
2569 snprintf(evt_path, MAXPATHLEN, "%s:%s",
2570 sys_dirent->d_name, evt_dirent->d_name);
2571 if (!strcmp(evt_path, event_string)) {
2579 put_events_file(dir_path);
2585 static bool is_event_supported(u8 type, unsigned config)
2589 struct evsel *evsel;
2590 struct perf_event_attr attr = {
2595 struct perf_thread_map *tmap = thread_map__new_by_tid(0);
2600 evsel = evsel__new(&attr);
2602 open_return = evsel__open(evsel, NULL, tmap);
2603 ret = open_return >= 0;
2605 if (open_return == -EACCES) {
2607 * This happens if the paranoid value
2608 * /proc/sys/kernel/perf_event_paranoid is set to 2
2609 * Re-run with exclude_kernel set; we don't do that
2610 * by default as some ARM machines do not support it.
2613 evsel->core.attr.exclude_kernel = 1;
2614 ret = evsel__open(evsel, NULL, tmap) >= 0;
2616 evsel__delete(evsel);
2619 perf_thread_map__put(tmap);
2623 void print_sdt_events(const char *subsys_glob, const char *event_glob,
2626 struct probe_cache *pcache;
2627 struct probe_cache_entry *ent;
2628 struct strlist *bidlist, *sdtlist;
2629 struct strlist_config cfg = {.dont_dupstr = true};
2630 struct str_node *nd, *nd2;
2631 char *buf, *path, *ptr = NULL;
2632 bool show_detail = false;
2635 sdtlist = strlist__new(NULL, &cfg);
2637 pr_debug("Failed to allocate new strlist for SDT\n");
2640 bidlist = build_id_cache__list_all(true);
2642 pr_debug("Failed to get buildids: %d\n", errno);
2645 strlist__for_each_entry(nd, bidlist) {
2646 pcache = probe_cache__new(nd->s, NULL);
2649 list_for_each_entry(ent, &pcache->entries, node) {
2653 !strglobmatch(ent->pev.group, subsys_glob))
2656 !strglobmatch(ent->pev.event, event_glob))
2658 ret = asprintf(&buf, "%s:%s@%s", ent->pev.group,
2659 ent->pev.event, nd->s);
2661 strlist__add(sdtlist, buf);
2663 probe_cache__delete(pcache);
2665 strlist__delete(bidlist);
2667 strlist__for_each_entry(nd, sdtlist) {
2668 buf = strchr(nd->s, '@');
2672 printf("%s ", nd->s);
2675 nd2 = strlist__next(nd);
2677 ptr = strchr(nd2->s, '@');
2680 if (strcmp(nd->s, nd2->s) == 0)
2684 path = build_id_cache__origname(buf);
2685 ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf);
2687 printf(" %-50s [%s]\n", buf, "SDT event");
2692 printf(" %-50s [%s]\n", nd->s, "SDT event");
2694 if (strcmp(nd->s, nd2->s) != 0)
2695 show_detail = false;
2700 strlist__delete(sdtlist);
2703 int print_hwcache_events(const char *event_glob, bool name_only)
2705 unsigned int type, op, i, evt_i = 0, evt_num = 0;
2707 char **evt_list = NULL;
2708 bool evt_num_known = false;
2711 if (evt_num_known) {
2712 evt_list = zalloc(sizeof(char *) * evt_num);
2717 for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
2718 for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
2719 /* skip invalid cache type */
2720 if (!evsel__is_cache_op_valid(type, op))
2723 for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
2724 __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
2725 if (event_glob != NULL && !strglobmatch(name, event_glob))
2728 if (!is_event_supported(PERF_TYPE_HW_CACHE,
2729 type | (op << 8) | (i << 16)))
2732 if (!evt_num_known) {
2737 evt_list[evt_i] = strdup(name);
2738 if (evt_list[evt_i] == NULL)
2745 if (!evt_num_known) {
2746 evt_num_known = true;
2749 qsort(evt_list, evt_num, sizeof(char *), cmp_string);
2751 while (evt_i < evt_num) {
2753 printf("%s ", evt_list[evt_i++]);
2756 printf(" %-50s [%s]\n", evt_list[evt_i++],
2757 event_type_descriptors[PERF_TYPE_HW_CACHE]);
2759 if (evt_num && pager_in_use())
2764 for (evt_i = 0; evt_i < evt_num; evt_i++)
2765 zfree(&evt_list[evt_i]);
2770 printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]);
2776 static void print_tool_event(const char *name, const char *event_glob,
2779 if (event_glob && !strglobmatch(name, event_glob))
2782 printf("%s ", name);
2784 printf(" %-50s [%s]\n", name, "Tool event");
2788 void print_tool_events(const char *event_glob, bool name_only)
2790 print_tool_event("duration_time", event_glob, name_only);
2795 void print_symbol_events(const char *event_glob, unsigned type,
2796 struct event_symbol *syms, unsigned max,
2799 unsigned int i, evt_i = 0, evt_num = 0;
2800 char name[MAX_NAME_LEN];
2801 char **evt_list = NULL;
2802 bool evt_num_known = false;
2805 if (evt_num_known) {
2806 evt_list = zalloc(sizeof(char *) * evt_num);
2812 for (i = 0; i < max; i++, syms++) {
2814 if (event_glob != NULL && syms->symbol != NULL &&
2815 !(strglobmatch(syms->symbol, event_glob) ||
2816 (syms->alias && strglobmatch(syms->alias, event_glob))))
2819 if (!is_event_supported(type, i))
2822 if (!evt_num_known) {
2827 if (!name_only && strlen(syms->alias))
2828 snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
2830 strlcpy(name, syms->symbol, MAX_NAME_LEN);
2832 evt_list[evt_i] = strdup(name);
2833 if (evt_list[evt_i] == NULL)
2838 if (!evt_num_known) {
2839 evt_num_known = true;
2842 qsort(evt_list, evt_num, sizeof(char *), cmp_string);
2844 while (evt_i < evt_num) {
2846 printf("%s ", evt_list[evt_i++]);
2849 printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]);
2851 if (evt_num && pager_in_use())
2856 for (evt_i = 0; evt_i < evt_num; evt_i++)
2857 zfree(&evt_list[evt_i]);
2862 printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]);
2868 * Print the help text for the event symbols:
2870 void print_events(const char *event_glob, bool name_only, bool quiet_flag,
2871 bool long_desc, bool details_flag, bool deprecated)
2873 print_symbol_events(event_glob, PERF_TYPE_HARDWARE,
2874 event_symbols_hw, PERF_COUNT_HW_MAX, name_only);
2876 print_symbol_events(event_glob, PERF_TYPE_SOFTWARE,
2877 event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
2878 print_tool_events(event_glob, name_only);
2880 print_hwcache_events(event_glob, name_only);
2882 print_pmu_events(event_glob, name_only, quiet_flag, long_desc,
2883 details_flag, deprecated);
2885 if (event_glob != NULL)
2889 printf(" %-50s [%s]\n",
2891 event_type_descriptors[PERF_TYPE_RAW]);
2892 printf(" %-50s [%s]\n",
2893 "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
2894 event_type_descriptors[PERF_TYPE_RAW]);
2896 printf(" (see 'man perf-list' on how to encode it)\n\n");
2898 printf(" %-50s [%s]\n",
2899 "mem:<addr>[/len][:access]",
2900 event_type_descriptors[PERF_TYPE_BREAKPOINT]);
2905 print_tracepoint_events(NULL, NULL, name_only);
2907 print_sdt_events(NULL, NULL, name_only);
2909 metricgroup__print(true, true, NULL, name_only, details_flag);
2911 print_libpfm_events(name_only, long_desc);
2914 int parse_events__is_hardcoded_term(struct parse_events_term *term)
2916 return term->type_term != PARSE_EVENTS__TERM_TYPE_USER;
2919 static int new_term(struct parse_events_term **_term,
2920 struct parse_events_term *temp,
2923 struct parse_events_term *term;
2925 term = malloc(sizeof(*term));
2930 INIT_LIST_HEAD(&term->list);
2933 switch (term->type_val) {
2934 case PARSE_EVENTS__TERM_TYPE_NUM:
2935 term->val.num = num;
2937 case PARSE_EVENTS__TERM_TYPE_STR:
2938 term->val.str = str;
2949 int parse_events_term__num(struct parse_events_term **term,
2950 int type_term, char *config, u64 num,
2952 void *loc_term_, void *loc_val_)
2954 YYLTYPE *loc_term = loc_term_;
2955 YYLTYPE *loc_val = loc_val_;
2957 struct parse_events_term temp = {
2958 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
2959 .type_term = type_term,
2961 .no_value = no_value,
2962 .err_term = loc_term ? loc_term->first_column : 0,
2963 .err_val = loc_val ? loc_val->first_column : 0,
2966 return new_term(term, &temp, NULL, num);
2969 int parse_events_term__str(struct parse_events_term **term,
2970 int type_term, char *config, char *str,
2971 void *loc_term_, void *loc_val_)
2973 YYLTYPE *loc_term = loc_term_;
2974 YYLTYPE *loc_val = loc_val_;
2976 struct parse_events_term temp = {
2977 .type_val = PARSE_EVENTS__TERM_TYPE_STR,
2978 .type_term = type_term,
2980 .err_term = loc_term ? loc_term->first_column : 0,
2981 .err_val = loc_val ? loc_val->first_column : 0,
2984 return new_term(term, &temp, str, 0);
2987 int parse_events_term__sym_hw(struct parse_events_term **term,
2988 char *config, unsigned idx)
2990 struct event_symbol *sym;
2992 struct parse_events_term temp = {
2993 .type_val = PARSE_EVENTS__TERM_TYPE_STR,
2994 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
2999 temp.config = strdup("event");
3003 BUG_ON(idx >= PERF_COUNT_HW_MAX);
3004 sym = &event_symbols_hw[idx];
3006 str = strdup(sym->symbol);
3009 return new_term(term, &temp, str, 0);
3012 int parse_events_term__clone(struct parse_events_term **new,
3013 struct parse_events_term *term)
3016 struct parse_events_term temp = {
3017 .type_val = term->type_val,
3018 .type_term = term->type_term,
3020 .err_term = term->err_term,
3021 .err_val = term->err_val,
3025 temp.config = strdup(term->config);
3029 if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM)
3030 return new_term(new, &temp, NULL, term->val.num);
3032 str = strdup(term->val.str);
3035 return new_term(new, &temp, str, 0);
3038 void parse_events_term__delete(struct parse_events_term *term)
3040 if (term->array.nr_ranges)
3041 zfree(&term->array.ranges);
3043 if (term->type_val != PARSE_EVENTS__TERM_TYPE_NUM)
3044 zfree(&term->val.str);
3046 zfree(&term->config);
3050 int parse_events_copy_term_list(struct list_head *old,
3051 struct list_head **new)
3053 struct parse_events_term *term, *n;
3061 *new = malloc(sizeof(struct list_head));
3064 INIT_LIST_HEAD(*new);
3066 list_for_each_entry (term, old, list) {
3067 ret = parse_events_term__clone(&n, term);
3070 list_add_tail(&n->list, *new);
3075 void parse_events_terms__purge(struct list_head *terms)
3077 struct parse_events_term *term, *h;
3079 list_for_each_entry_safe(term, h, terms, list) {
3080 list_del_init(&term->list);
3081 parse_events_term__delete(term);
3085 void parse_events_terms__delete(struct list_head *terms)
3089 parse_events_terms__purge(terms);
3093 void parse_events__clear_array(struct parse_events_array *a)
3098 void parse_events_evlist_error(struct parse_events_state *parse_state,
3099 int idx, const char *str)
3101 if (!parse_state->error)
3104 parse_events__handle_error(parse_state->error, idx, strdup(str), NULL);
3107 static void config_terms_list(char *buf, size_t buf_sz)
3113 for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) {
3114 const char *name = config_term_names[i];
3116 if (!config_term_avail(i, NULL))
3123 if (strlen(buf) + strlen(name) + 2 >= buf_sz)
3135 * Return string contains valid config terms of an event.
3136 * @additional_terms: For terms such as PMU sysfs terms.
3138 char *parse_events_formats_error_string(char *additional_terms)
3141 /* "no-overwrite" is the longest name */
3142 char static_terms[__PARSE_EVENTS__TERM_TYPE_NR *
3143 (sizeof("no-overwrite") - 1)];
3145 config_terms_list(static_terms, sizeof(static_terms));
3147 if (additional_terms) {
3148 if (asprintf(&str, "valid terms: %s,%s",
3149 additional_terms, static_terms) < 0)
3152 if (asprintf(&str, "valid terms: %s", static_terms) < 0)