1 #include <linux/hw_breakpoint.h>
6 #include "parse-options.h"
7 #include "parse-events.h"
13 #include <lk/debugfs.h>
14 #include "parse-events-bison.h"
15 #define YY_EXTRA_TYPE int
16 #include "parse-events-flex.h"
19 #define MAX_NAME_LEN 100
27 extern int parse_events_debug;
29 int parse_events_parse(void *data, void *scanner);
31 static struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
32 [PERF_COUNT_HW_CPU_CYCLES] = {
33 .symbol = "cpu-cycles",
36 [PERF_COUNT_HW_INSTRUCTIONS] = {
37 .symbol = "instructions",
40 [PERF_COUNT_HW_CACHE_REFERENCES] = {
41 .symbol = "cache-references",
44 [PERF_COUNT_HW_CACHE_MISSES] = {
45 .symbol = "cache-misses",
48 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = {
49 .symbol = "branch-instructions",
52 [PERF_COUNT_HW_BRANCH_MISSES] = {
53 .symbol = "branch-misses",
56 [PERF_COUNT_HW_BUS_CYCLES] = {
57 .symbol = "bus-cycles",
60 [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = {
61 .symbol = "stalled-cycles-frontend",
62 .alias = "idle-cycles-frontend",
64 [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = {
65 .symbol = "stalled-cycles-backend",
66 .alias = "idle-cycles-backend",
68 [PERF_COUNT_HW_REF_CPU_CYCLES] = {
69 .symbol = "ref-cycles",
74 static struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
75 [PERF_COUNT_SW_CPU_CLOCK] = {
76 .symbol = "cpu-clock",
79 [PERF_COUNT_SW_TASK_CLOCK] = {
80 .symbol = "task-clock",
83 [PERF_COUNT_SW_PAGE_FAULTS] = {
84 .symbol = "page-faults",
87 [PERF_COUNT_SW_CONTEXT_SWITCHES] = {
88 .symbol = "context-switches",
91 [PERF_COUNT_SW_CPU_MIGRATIONS] = {
92 .symbol = "cpu-migrations",
93 .alias = "migrations",
95 [PERF_COUNT_SW_PAGE_FAULTS_MIN] = {
96 .symbol = "minor-faults",
99 [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = {
100 .symbol = "major-faults",
103 [PERF_COUNT_SW_ALIGNMENT_FAULTS] = {
104 .symbol = "alignment-faults",
107 [PERF_COUNT_SW_EMULATION_FAULTS] = {
108 .symbol = "emulation-faults",
113 #define __PERF_EVENT_FIELD(config, name) \
114 ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT)
116 #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW)
117 #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG)
118 #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
119 #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
121 #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \
122 while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \
123 if (sys_dirent.d_type == DT_DIR && \
124 (strcmp(sys_dirent.d_name, ".")) && \
125 (strcmp(sys_dirent.d_name, "..")))
127 static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
129 char evt_path[MAXPATHLEN];
132 snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
133 sys_dir->d_name, evt_dir->d_name);
134 fd = open(evt_path, O_RDONLY);
142 #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \
143 while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \
144 if (evt_dirent.d_type == DT_DIR && \
145 (strcmp(evt_dirent.d_name, ".")) && \
146 (strcmp(evt_dirent.d_name, "..")) && \
147 (!tp_event_has_id(&sys_dirent, &evt_dirent)))
149 #define MAX_EVENT_LENGTH 512
152 struct tracepoint_path *tracepoint_id_to_path(u64 config)
154 struct tracepoint_path *path = NULL;
155 DIR *sys_dir, *evt_dir;
156 struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
160 char evt_path[MAXPATHLEN];
161 char dir_path[MAXPATHLEN];
163 if (debugfs_valid_mountpoint(tracing_events_path))
166 sys_dir = opendir(tracing_events_path);
170 for_each_subsystem(sys_dir, sys_dirent, sys_next) {
172 snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
174 evt_dir = opendir(dir_path);
178 for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
180 snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
182 fd = open(evt_path, O_RDONLY);
185 if (read(fd, id_buf, sizeof(id_buf)) < 0) {
194 path = zalloc(sizeof(*path));
195 path->system = malloc(MAX_EVENT_LENGTH);
200 path->name = malloc(MAX_EVENT_LENGTH);
206 strncpy(path->system, sys_dirent.d_name,
208 strncpy(path->name, evt_dirent.d_name,
220 const char *event_type(int type)
223 case PERF_TYPE_HARDWARE:
226 case PERF_TYPE_SOFTWARE:
229 case PERF_TYPE_TRACEPOINT:
232 case PERF_TYPE_HW_CACHE:
233 return "hardware-cache";
244 static int __add_event(struct list_head **_list, int *idx,
245 struct perf_event_attr *attr,
246 char *name, struct cpu_map *cpus)
248 struct perf_evsel *evsel;
249 struct list_head *list = *_list;
252 list = malloc(sizeof(*list));
255 INIT_LIST_HEAD(list);
258 event_attr_init(attr);
260 evsel = perf_evsel__new(attr, (*idx)++);
268 evsel->name = strdup(name);
269 list_add_tail(&evsel->node, list);
274 static int add_event(struct list_head **_list, int *idx,
275 struct perf_event_attr *attr, char *name)
277 return __add_event(_list, idx, attr, name, NULL);
280 static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size)
285 for (i = 0; i < size; i++) {
286 for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) {
287 n = strlen(names[i][j]);
288 if (n > longest && !strncasecmp(str, names[i][j], n))
298 int parse_events_add_cache(struct list_head **list, int *idx,
299 char *type, char *op_result1, char *op_result2)
301 struct perf_event_attr attr;
302 char name[MAX_NAME_LEN];
303 int cache_type = -1, cache_op = -1, cache_result = -1;
304 char *op_result[2] = { op_result1, op_result2 };
308 * No fallback - if we cannot get a clear cache type
311 cache_type = parse_aliases(type, perf_evsel__hw_cache,
312 PERF_COUNT_HW_CACHE_MAX);
313 if (cache_type == -1)
316 n = snprintf(name, MAX_NAME_LEN, "%s", type);
318 for (i = 0; (i < 2) && (op_result[i]); i++) {
319 char *str = op_result[i];
321 n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str);
323 if (cache_op == -1) {
324 cache_op = parse_aliases(str, perf_evsel__hw_cache_op,
325 PERF_COUNT_HW_CACHE_OP_MAX);
327 if (!perf_evsel__is_cache_op_valid(cache_type, cache_op))
333 if (cache_result == -1) {
334 cache_result = parse_aliases(str, perf_evsel__hw_cache_result,
335 PERF_COUNT_HW_CACHE_RESULT_MAX);
336 if (cache_result >= 0)
342 * Fall back to reads:
345 cache_op = PERF_COUNT_HW_CACHE_OP_READ;
348 * Fall back to accesses:
350 if (cache_result == -1)
351 cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS;
353 memset(&attr, 0, sizeof(attr));
354 attr.config = cache_type | (cache_op << 8) | (cache_result << 16);
355 attr.type = PERF_TYPE_HW_CACHE;
356 return add_event(list, idx, &attr, name);
359 static int add_tracepoint(struct list_head **listp, int *idx,
360 char *sys_name, char *evt_name)
362 struct perf_evsel *evsel;
363 struct list_head *list = *listp;
366 list = malloc(sizeof(*list));
369 INIT_LIST_HEAD(list);
372 evsel = perf_evsel__newtp(sys_name, evt_name, (*idx)++);
378 list_add_tail(&evsel->node, list);
383 static int add_tracepoint_multi_event(struct list_head **list, int *idx,
384 char *sys_name, char *evt_name)
386 char evt_path[MAXPATHLEN];
387 struct dirent *evt_ent;
391 snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name);
392 evt_dir = opendir(evt_path);
394 perror("Can't open event dir");
398 while (!ret && (evt_ent = readdir(evt_dir))) {
399 if (!strcmp(evt_ent->d_name, ".")
400 || !strcmp(evt_ent->d_name, "..")
401 || !strcmp(evt_ent->d_name, "enable")
402 || !strcmp(evt_ent->d_name, "filter"))
405 if (!strglobmatch(evt_ent->d_name, evt_name))
408 ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name);
415 static int add_tracepoint_event(struct list_head **list, int *idx,
416 char *sys_name, char *evt_name)
418 return strpbrk(evt_name, "*?") ?
419 add_tracepoint_multi_event(list, idx, sys_name, evt_name) :
420 add_tracepoint(list, idx, sys_name, evt_name);
423 static int add_tracepoint_multi_sys(struct list_head **list, int *idx,
424 char *sys_name, char *evt_name)
426 struct dirent *events_ent;
430 events_dir = opendir(tracing_events_path);
432 perror("Can't open event dir");
436 while (!ret && (events_ent = readdir(events_dir))) {
437 if (!strcmp(events_ent->d_name, ".")
438 || !strcmp(events_ent->d_name, "..")
439 || !strcmp(events_ent->d_name, "enable")
440 || !strcmp(events_ent->d_name, "header_event")
441 || !strcmp(events_ent->d_name, "header_page"))
444 if (!strglobmatch(events_ent->d_name, sys_name))
447 ret = add_tracepoint_event(list, idx, events_ent->d_name,
451 closedir(events_dir);
455 int parse_events_add_tracepoint(struct list_head **list, int *idx,
456 char *sys, char *event)
460 ret = debugfs_valid_mountpoint(tracing_events_path);
464 if (strpbrk(sys, "*?"))
465 return add_tracepoint_multi_sys(list, idx, sys, event);
467 return add_tracepoint_event(list, idx, sys, event);
471 parse_breakpoint_type(const char *type, struct perf_event_attr *attr)
475 for (i = 0; i < 3; i++) {
476 if (!type || !type[i])
479 #define CHECK_SET_TYPE(bit) \
481 if (attr->bp_type & bit) \
484 attr->bp_type |= bit; \
489 CHECK_SET_TYPE(HW_BREAKPOINT_R);
492 CHECK_SET_TYPE(HW_BREAKPOINT_W);
495 CHECK_SET_TYPE(HW_BREAKPOINT_X);
502 #undef CHECK_SET_TYPE
504 if (!attr->bp_type) /* Default */
505 attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W;
510 int parse_events_add_breakpoint(struct list_head **list, int *idx,
511 void *ptr, char *type)
513 struct perf_event_attr attr;
515 memset(&attr, 0, sizeof(attr));
516 attr.bp_addr = (unsigned long) ptr;
518 if (parse_breakpoint_type(type, &attr))
522 * We should find a nice way to override the access length
523 * Provide some defaults for now
525 if (attr.bp_type == HW_BREAKPOINT_X)
526 attr.bp_len = sizeof(long);
528 attr.bp_len = HW_BREAKPOINT_LEN_4;
530 attr.type = PERF_TYPE_BREAKPOINT;
531 attr.sample_period = 1;
533 return add_event(list, idx, &attr, NULL);
536 static int config_term(struct perf_event_attr *attr,
537 struct parse_events_term *term)
539 #define CHECK_TYPE_VAL(type) \
541 if (PARSE_EVENTS__TERM_TYPE_ ## type != term->type_val) \
545 switch (term->type_term) {
546 case PARSE_EVENTS__TERM_TYPE_CONFIG:
548 attr->config = term->val.num;
550 case PARSE_EVENTS__TERM_TYPE_CONFIG1:
552 attr->config1 = term->val.num;
554 case PARSE_EVENTS__TERM_TYPE_CONFIG2:
556 attr->config2 = term->val.num;
558 case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
560 attr->sample_period = term->val.num;
562 case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
564 * TODO uncomment when the field is available
565 * attr->branch_sample_type = term->val.num;
568 case PARSE_EVENTS__TERM_TYPE_NAME:
576 #undef CHECK_TYPE_VAL
579 static int config_attr(struct perf_event_attr *attr,
580 struct list_head *head, int fail)
582 struct parse_events_term *term;
584 list_for_each_entry(term, head, list)
585 if (config_term(attr, term) && fail)
591 int parse_events_add_numeric(struct list_head **list, int *idx,
592 u32 type, u64 config,
593 struct list_head *head_config)
595 struct perf_event_attr attr;
597 memset(&attr, 0, sizeof(attr));
599 attr.config = config;
602 config_attr(&attr, head_config, 1))
605 return add_event(list, idx, &attr, NULL);
608 static int parse_events__is_name_term(struct parse_events_term *term)
610 return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME;
613 static char *pmu_event_name(struct list_head *head_terms)
615 struct parse_events_term *term;
617 list_for_each_entry(term, head_terms, list)
618 if (parse_events__is_name_term(term))
619 return term->val.str;
624 int parse_events_add_pmu(struct list_head **list, int *idx,
625 char *name, struct list_head *head_config)
627 struct perf_event_attr attr;
628 struct perf_pmu *pmu;
630 pmu = perf_pmu__find(name);
634 memset(&attr, 0, sizeof(attr));
636 if (perf_pmu__check_alias(pmu, head_config))
640 * Configure hardcoded terms first, no need to check
641 * return value when called with fail == 0 ;)
643 config_attr(&attr, head_config, 0);
645 if (perf_pmu__config(pmu, &attr, head_config))
648 return __add_event(list, idx, &attr, pmu_event_name(head_config),
652 int parse_events__modifier_group(struct list_head *list,
655 return parse_events__modifier_event(list, event_mod, true);
658 void parse_events__set_leader(char *name, struct list_head *list)
660 struct perf_evsel *leader;
662 __perf_evlist__set_leader(list);
663 leader = list_entry(list->next, struct perf_evsel, node);
664 leader->group_name = name ? strdup(name) : NULL;
667 void parse_events_update_lists(struct list_head *list_event,
668 struct list_head *list_all)
671 * Called for single event definition. Update the
672 * 'all event' list, and reinit the 'single event'
673 * list, for next event definition.
675 list_splice_tail(list_event, list_all);
679 struct event_modifier {
689 static int get_event_modifier(struct event_modifier *mod, char *str,
690 struct perf_evsel *evsel)
692 int eu = evsel ? evsel->attr.exclude_user : 0;
693 int ek = evsel ? evsel->attr.exclude_kernel : 0;
694 int eh = evsel ? evsel->attr.exclude_hv : 0;
695 int eH = evsel ? evsel->attr.exclude_host : 0;
696 int eG = evsel ? evsel->attr.exclude_guest : 0;
697 int precise = evsel ? evsel->attr.precise_ip : 0;
699 int exclude = eu | ek | eh;
700 int exclude_GH = evsel ? evsel->exclude_GH : 0;
702 memset(mod, 0, sizeof(*mod));
707 exclude = eu = ek = eh = 1;
709 } else if (*str == 'k') {
711 exclude = eu = ek = eh = 1;
713 } else if (*str == 'h') {
715 exclude = eu = ek = eh = 1;
717 } else if (*str == 'G') {
719 exclude_GH = eG = eH = 1;
721 } else if (*str == 'H') {
723 exclude_GH = eG = eH = 1;
725 } else if (*str == 'p') {
727 /* use of precise requires exclude_guest */
739 * 0 - SAMPLE_IP can have arbitrary skid
740 * 1 - SAMPLE_IP must have constant skid
741 * 2 - SAMPLE_IP requested to have 0 skid
742 * 3 - SAMPLE_IP must have 0 skid
744 * See also PERF_RECORD_MISC_EXACT_IP
754 mod->precise = precise;
755 mod->exclude_GH = exclude_GH;
760 * Basic modifier sanity check to validate it contains only one
761 * instance of any modifier (apart from 'p') present.
763 static int check_modifier(char *str)
767 /* The sizeof includes 0 byte as well. */
768 if (strlen(str) > (sizeof("ukhGHppp") - 1))
772 if (*p != 'p' && strchr(p + 1, *p))
780 int parse_events__modifier_event(struct list_head *list, char *str, bool add)
782 struct perf_evsel *evsel;
783 struct event_modifier mod;
788 if (check_modifier(str))
791 if (!add && get_event_modifier(&mod, str, NULL))
794 list_for_each_entry(evsel, list, node) {
796 if (add && get_event_modifier(&mod, str, evsel))
799 evsel->attr.exclude_user = mod.eu;
800 evsel->attr.exclude_kernel = mod.ek;
801 evsel->attr.exclude_hv = mod.eh;
802 evsel->attr.precise_ip = mod.precise;
803 evsel->attr.exclude_host = mod.eH;
804 evsel->attr.exclude_guest = mod.eG;
805 evsel->exclude_GH = mod.exclude_GH;
811 int parse_events_name(struct list_head *list, char *name)
813 struct perf_evsel *evsel;
815 list_for_each_entry(evsel, list, node) {
817 evsel->name = strdup(name);
823 static int parse_events__scanner(const char *str, void *data, int start_token)
825 YY_BUFFER_STATE buffer;
829 ret = parse_events_lex_init_extra(start_token, &scanner);
833 buffer = parse_events__scan_string(str, scanner);
836 parse_events_debug = 1;
838 ret = parse_events_parse(data, scanner);
840 parse_events__flush_buffer(buffer, scanner);
841 parse_events__delete_buffer(buffer, scanner);
842 parse_events_lex_destroy(scanner);
847 * parse event config string, return a list of event terms.
849 int parse_events_terms(struct list_head *terms, const char *str)
851 struct parse_events_terms data = {
856 ret = parse_events__scanner(str, &data, PE_START_TERMS);
858 list_splice(data.terms, terms);
864 parse_events__free_terms(data.terms);
868 int parse_events(struct perf_evlist *evlist, const char *str)
870 struct parse_events_evlist data = {
871 .list = LIST_HEAD_INIT(data.list),
872 .idx = evlist->nr_entries,
876 ret = parse_events__scanner(str, &data, PE_START_EVENTS);
878 int entries = data.idx - evlist->nr_entries;
879 perf_evlist__splice_list_tail(evlist, &data.list, entries);
880 evlist->nr_groups += data.nr_groups;
885 * There are 2 users - builtin-record and builtin-test objects.
886 * Both call perf_evlist__delete in case of error, so we dont
892 int parse_events_option(const struct option *opt, const char *str,
893 int unset __maybe_unused)
895 struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
896 int ret = parse_events(evlist, str);
899 fprintf(stderr, "invalid or unsupported event: '%s'\n", str);
900 fprintf(stderr, "Run 'perf list' for a list of valid events\n");
905 int parse_filter(const struct option *opt, const char *str,
906 int unset __maybe_unused)
908 struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
909 struct perf_evsel *last = NULL;
911 if (evlist->nr_entries > 0)
912 last = perf_evlist__last(evlist);
914 if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) {
916 "-F option should follow a -e tracepoint option\n");
920 last->filter = strdup(str);
921 if (last->filter == NULL) {
922 fprintf(stderr, "not enough memory to hold filter string\n");
929 static const char * const event_type_descriptors[] = {
933 "Hardware cache event",
934 "Raw hardware event descriptor",
935 "Hardware breakpoint",
939 * Print the events from <debugfs_mount_point>/tracing/events
942 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
945 DIR *sys_dir, *evt_dir;
946 struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
947 char evt_path[MAXPATHLEN];
948 char dir_path[MAXPATHLEN];
950 if (debugfs_valid_mountpoint(tracing_events_path))
953 sys_dir = opendir(tracing_events_path);
957 for_each_subsystem(sys_dir, sys_dirent, sys_next) {
958 if (subsys_glob != NULL &&
959 !strglobmatch(sys_dirent.d_name, subsys_glob))
962 snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
964 evt_dir = opendir(dir_path);
968 for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
969 if (event_glob != NULL &&
970 !strglobmatch(evt_dirent.d_name, event_glob))
974 printf("%s:%s ", sys_dirent.d_name, evt_dirent.d_name);
978 snprintf(evt_path, MAXPATHLEN, "%s:%s",
979 sys_dirent.d_name, evt_dirent.d_name);
980 printf(" %-50s [%s]\n", evt_path,
981 event_type_descriptors[PERF_TYPE_TRACEPOINT]);
989 * Check whether event is in <debugfs_mount_point>/tracing/events
992 int is_valid_tracepoint(const char *event_string)
994 DIR *sys_dir, *evt_dir;
995 struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
996 char evt_path[MAXPATHLEN];
997 char dir_path[MAXPATHLEN];
999 if (debugfs_valid_mountpoint(tracing_events_path))
1002 sys_dir = opendir(tracing_events_path);
1006 for_each_subsystem(sys_dir, sys_dirent, sys_next) {
1008 snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
1010 evt_dir = opendir(dir_path);
1014 for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
1015 snprintf(evt_path, MAXPATHLEN, "%s:%s",
1016 sys_dirent.d_name, evt_dirent.d_name);
1017 if (!strcmp(evt_path, event_string)) {
1029 static void __print_events_type(u8 type, struct event_symbol *syms,
1035 for (i = 0; i < max ; i++, syms++) {
1036 if (strlen(syms->alias))
1037 snprintf(name, sizeof(name), "%s OR %s",
1038 syms->symbol, syms->alias);
1040 snprintf(name, sizeof(name), "%s", syms->symbol);
1042 printf(" %-50s [%s]\n", name,
1043 event_type_descriptors[type]);
1047 void print_events_type(u8 type)
1049 if (type == PERF_TYPE_SOFTWARE)
1050 __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX);
1052 __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX);
1055 int print_hwcache_events(const char *event_glob, bool name_only)
1057 unsigned int type, op, i, printed = 0;
1060 for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
1061 for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
1062 /* skip invalid cache type */
1063 if (!perf_evsel__is_cache_op_valid(type, op))
1066 for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
1067 __perf_evsel__hw_cache_type_op_res_name(type, op, i,
1068 name, sizeof(name));
1069 if (event_glob != NULL && !strglobmatch(name, event_glob))
1073 printf("%s ", name);
1075 printf(" %-50s [%s]\n", name,
1076 event_type_descriptors[PERF_TYPE_HW_CACHE]);
1085 static void print_symbol_events(const char *event_glob, unsigned type,
1086 struct event_symbol *syms, unsigned max,
1089 unsigned i, printed = 0;
1090 char name[MAX_NAME_LEN];
1092 for (i = 0; i < max; i++, syms++) {
1094 if (event_glob != NULL &&
1095 !(strglobmatch(syms->symbol, event_glob) ||
1096 (syms->alias && strglobmatch(syms->alias, event_glob))))
1100 printf("%s ", syms->symbol);
1104 if (strlen(syms->alias))
1105 snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
1107 strncpy(name, syms->symbol, MAX_NAME_LEN);
1109 printf(" %-50s [%s]\n", name, event_type_descriptors[type]);
1119 * Print the help text for the event symbols:
1121 void print_events(const char *event_glob, bool name_only)
1125 printf("List of pre-defined events (to be used in -e):\n");
1128 print_symbol_events(event_glob, PERF_TYPE_HARDWARE,
1129 event_symbols_hw, PERF_COUNT_HW_MAX, name_only);
1131 print_symbol_events(event_glob, PERF_TYPE_SOFTWARE,
1132 event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
1134 print_hwcache_events(event_glob, name_only);
1136 if (event_glob != NULL)
1141 printf(" %-50s [%s]\n",
1143 event_type_descriptors[PERF_TYPE_RAW]);
1144 printf(" %-50s [%s]\n",
1145 "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
1146 event_type_descriptors[PERF_TYPE_RAW]);
1147 printf(" (see 'man perf-list' on how to encode it)\n");
1150 printf(" %-50s [%s]\n",
1151 "mem:<addr>[:access]",
1152 event_type_descriptors[PERF_TYPE_BREAKPOINT]);
1156 print_tracepoint_events(NULL, NULL, name_only);
1159 int parse_events__is_hardcoded_term(struct parse_events_term *term)
1161 return term->type_term != PARSE_EVENTS__TERM_TYPE_USER;
1164 static int new_term(struct parse_events_term **_term, int type_val,
1165 int type_term, char *config,
1168 struct parse_events_term *term;
1170 term = zalloc(sizeof(*term));
1174 INIT_LIST_HEAD(&term->list);
1175 term->type_val = type_val;
1176 term->type_term = type_term;
1177 term->config = config;
1180 case PARSE_EVENTS__TERM_TYPE_NUM:
1181 term->val.num = num;
1183 case PARSE_EVENTS__TERM_TYPE_STR:
1184 term->val.str = str;
1195 int parse_events_term__num(struct parse_events_term **term,
1196 int type_term, char *config, u64 num)
1198 return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term,
1202 int parse_events_term__str(struct parse_events_term **term,
1203 int type_term, char *config, char *str)
1205 return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term,
1209 int parse_events_term__sym_hw(struct parse_events_term **term,
1210 char *config, unsigned idx)
1212 struct event_symbol *sym;
1214 BUG_ON(idx >= PERF_COUNT_HW_MAX);
1215 sym = &event_symbols_hw[idx];
1218 return new_term(term, PARSE_EVENTS__TERM_TYPE_STR,
1219 PARSE_EVENTS__TERM_TYPE_USER, config,
1220 (char *) sym->symbol, 0);
1222 return new_term(term, PARSE_EVENTS__TERM_TYPE_STR,
1223 PARSE_EVENTS__TERM_TYPE_USER,
1224 (char *) "event", (char *) sym->symbol, 0);
1227 int parse_events_term__clone(struct parse_events_term **new,
1228 struct parse_events_term *term)
1230 return new_term(new, term->type_val, term->type_term, term->config,
1231 term->val.str, term->val.num);
1234 void parse_events__free_terms(struct list_head *terms)
1236 struct parse_events_term *term, *h;
1238 list_for_each_entry_safe(term, h, terms, list)