2 %parse-param {void *_parse_state}
3 %parse-param {void *scanner}
4 %lex-param {void* scanner}
13 #include <linux/compiler.h>
14 #include <linux/types.h>
15 #include <linux/zalloc.h>
18 #include "parse-events.h"
19 #include "parse-events-bison.h"
21 void parse_events_error(YYLTYPE *loc, void *parse_state, void *scanner, char const *msg);
23 #define ABORT_ON(val) \
29 static struct list_head* alloc_list()
31 struct list_head *list;
33 list = malloc(sizeof(*list));
41 static void free_list_evsel(struct list_head* list_evsel)
43 struct evsel *evsel, *tmp;
45 list_for_each_entry_safe(evsel, tmp, list_evsel, core.node) {
46 list_del_init(&evsel->core.node);
47 perf_evsel__delete(evsel);
52 static void inc_group_count(struct list_head *list,
53 struct parse_events_state *parse_state)
55 /* Count groups only have more than 1 members */
56 if (!list_is_last(list->next, list))
57 parse_state->nr_groups++;
62 %token PE_START_EVENTS PE_START_TERMS
63 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
64 %token PE_VALUE_SYM_TOOL
67 %token PE_BPF_OBJECT PE_BPF_SOURCE
68 %token PE_MODIFIER_EVENT PE_MODIFIER_BP
69 %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
70 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
72 %token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
73 %token PE_ARRAY_ALL PE_ARRAY_RANGE
74 %token PE_DRV_CFG_TERM
76 %type <num> PE_VALUE_SYM_HW
77 %type <num> PE_VALUE_SYM_SW
78 %type <num> PE_VALUE_SYM_TOOL
83 %type <str> PE_BPF_OBJECT
84 %type <str> PE_BPF_SOURCE
85 %type <str> PE_NAME_CACHE_TYPE
86 %type <str> PE_NAME_CACHE_OP_RESULT
87 %type <str> PE_MODIFIER_EVENT
88 %type <str> PE_MODIFIER_BP
89 %type <str> PE_EVENT_NAME
90 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
91 %type <str> PE_DRV_CFG_TERM
92 %destructor { free ($$); } <str>
93 %type <term> event_term
94 %destructor { parse_events_term__delete ($$); } <term>
95 %type <list_terms> event_config
96 %type <list_terms> opt_event_config
97 %type <list_terms> opt_pmu_config
98 %destructor { parse_events_terms__delete ($$); } <list_terms>
99 %type <list_evsel> event_pmu
100 %type <list_evsel> event_legacy_symbol
101 %type <list_evsel> event_legacy_cache
102 %type <list_evsel> event_legacy_mem
103 %type <list_evsel> event_legacy_tracepoint
104 %type <list_evsel> event_legacy_numeric
105 %type <list_evsel> event_legacy_raw
106 %type <list_evsel> event_bpf_file
107 %type <list_evsel> event_def
108 %type <list_evsel> event_mod
109 %type <list_evsel> event_name
110 %type <list_evsel> event
111 %type <list_evsel> events
112 %type <list_evsel> group_def
113 %type <list_evsel> group
114 %type <list_evsel> groups
115 %destructor { free_list_evsel ($$); } <list_evsel>
116 %type <tracepoint_name> tracepoint_name
117 %destructor { free ($$.sys); free ($$.event); } <tracepoint_name>
119 %type <array> array_term
120 %type <array> array_terms
121 %destructor { free ($$.ranges); } <array>
127 struct list_head *list_evsel;
128 struct list_head *list_terms;
129 struct parse_events_term *term;
130 struct tracepoint_name {
134 struct parse_events_array array;
139 PE_START_EVENTS start_events
141 PE_START_TERMS start_terms
145 struct parse_events_state *parse_state = _parse_state;
148 parse_events_update_lists($1, &parse_state->list);
154 struct list_head *list = $1;
155 struct list_head *group = $3;
158 parse_events_update_lists(group, list);
164 struct list_head *list = $1;
165 struct list_head *event = $3;
168 parse_events_update_lists(event, list);
177 group_def ':' PE_MODIFIER_EVENT
179 struct list_head *list = $1;
182 err = parse_events__modifier_group(list, $3);
185 free_list_evsel(list);
194 PE_NAME '{' events '}'
196 struct list_head *list = $3;
198 inc_group_count(list, _parse_state);
199 parse_events__set_leader($1, list, _parse_state);
206 struct list_head *list = $2;
208 inc_group_count(list, _parse_state);
209 parse_events__set_leader(NULL, list, _parse_state);
216 struct list_head *event = $3;
217 struct list_head *list = $1;
220 parse_events_update_lists(event, list);
229 event_name PE_MODIFIER_EVENT
231 struct list_head *list = $1;
235 * Apply modifier on all events added by single event definition
236 * (there could be more events added for multiple tracepoint
237 * definitions via '*?'.
239 err = parse_events__modifier_event(list, $2, false);
242 free_list_evsel(list);
251 PE_EVENT_NAME event_def
255 err = parse_events_name($2, $1);
266 event_def: event_pmu |
267 event_legacy_symbol |
268 event_legacy_cache sep_dc |
270 event_legacy_tracepoint sep_dc |
271 event_legacy_numeric sep_dc |
272 event_legacy_raw sep_dc |
276 PE_NAME opt_pmu_config
278 struct parse_events_state *parse_state = _parse_state;
279 struct parse_events_error *error = parse_state->error;
280 struct list_head *list = NULL, *orig_terms = NULL, *terms= NULL;
281 char *pattern = NULL;
283 #define CLEANUP_YYABORT \
285 parse_events_terms__delete($2); \
286 parse_events_terms__delete(orig_terms); \
293 if (parse_events_copy_term_list($2, &orig_terms))
297 error->idx = @1.first_column;
302 if (parse_events_add_pmu(_parse_state, list, $1, $2, false, false)) {
303 struct perf_pmu *pmu = NULL;
306 if (asprintf(&pattern, "%s*", $1) < 0)
309 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
310 char *name = pmu->name;
312 if (!strncmp(name, "uncore_", 7) &&
313 strncmp($1, "uncore_", 7))
315 if (!fnmatch(pattern, name, 0)) {
316 if (parse_events_copy_term_list(orig_terms, &terms))
318 if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true, false))
320 parse_events_terms__delete(terms);
327 parse_events_terms__delete($2);
328 parse_events_terms__delete(orig_terms);
331 #undef CLEANUP_YYABORT
334 PE_KERNEL_PMU_EVENT sep_dc
336 struct list_head *list;
339 err = parse_events_multi_pmu_add(_parse_state, $1, &list);
346 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
348 struct list_head *list;
351 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
354 if (parse_events_multi_pmu_add(_parse_state, pmu_name, &list) < 0)
365 value_sym '/' event_config '/'
367 struct list_head *list;
369 int config = $1 & 255;
374 err = parse_events_add_numeric(_parse_state, list, type, config, $3);
375 parse_events_terms__delete($3);
377 free_list_evsel(list);
383 value_sym sep_slash_slash_dc
385 struct list_head *list;
387 int config = $1 & 255;
391 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL));
395 PE_VALUE_SYM_TOOL sep_slash_slash_dc
397 struct list_head *list;
401 ABORT_ON(parse_events_add_tool(_parse_state, list, $1));
406 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
408 struct parse_events_state *parse_state = _parse_state;
409 struct parse_events_error *error = parse_state->error;
410 struct list_head *list;
415 err = parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6);
416 parse_events_terms__delete($6);
421 free_list_evsel(list);
427 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
429 struct parse_events_state *parse_state = _parse_state;
430 struct parse_events_error *error = parse_state->error;
431 struct list_head *list;
436 err = parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4);
437 parse_events_terms__delete($4);
441 free_list_evsel(list);
447 PE_NAME_CACHE_TYPE opt_event_config
449 struct parse_events_state *parse_state = _parse_state;
450 struct parse_events_error *error = parse_state->error;
451 struct list_head *list;
456 err = parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2);
457 parse_events_terms__delete($2);
460 free_list_evsel(list);
467 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
469 struct parse_events_state *parse_state = _parse_state;
470 struct list_head *list;
475 err = parse_events_add_breakpoint(list, &parse_state->idx,
476 (void *) $2, $6, $4);
485 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
487 struct parse_events_state *parse_state = _parse_state;
488 struct list_head *list;
492 if (parse_events_add_breakpoint(list, &parse_state->idx,
493 (void *) $2, NULL, $4)) {
500 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
502 struct parse_events_state *parse_state = _parse_state;
503 struct list_head *list;
508 err = parse_events_add_breakpoint(list, &parse_state->idx,
518 PE_PREFIX_MEM PE_VALUE sep_dc
520 struct parse_events_state *parse_state = _parse_state;
521 struct list_head *list;
525 if (parse_events_add_breakpoint(list, &parse_state->idx,
526 (void *) $2, NULL, 0)) {
533 event_legacy_tracepoint:
534 tracepoint_name opt_event_config
536 struct parse_events_state *parse_state = _parse_state;
537 struct parse_events_error *error = parse_state->error;
538 struct list_head *list;
544 error->idx = @1.first_column;
546 err = parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
549 parse_events_terms__delete($2);
560 PE_NAME '-' PE_NAME ':' PE_NAME
562 struct tracepoint_name tracepoint;
564 ABORT_ON(asprintf(&tracepoint.sys, "%s-%s", $1, $3) < 0);
565 tracepoint.event = $5;
573 struct tracepoint_name tracepoint = {$1, $3};
578 event_legacy_numeric:
579 PE_VALUE ':' PE_VALUE opt_event_config
581 struct list_head *list;
586 err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4);
587 parse_events_terms__delete($4);
596 PE_RAW opt_event_config
598 struct list_head *list;
603 err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2);
604 parse_events_terms__delete($2);
613 PE_BPF_OBJECT opt_event_config
615 struct parse_events_state *parse_state = _parse_state;
616 struct list_head *list;
621 err = parse_events_load_bpf(parse_state, list, $1, false, $2);
622 parse_events_terms__delete($2);
631 PE_BPF_SOURCE opt_event_config
633 struct list_head *list;
638 err = parse_events_load_bpf(_parse_state, list, $1, true, $2);
639 parse_events_terms__delete($2);
673 start_terms: event_config
675 struct parse_events_state *parse_state = _parse_state;
676 if (parse_state->terms) {
677 parse_events_terms__delete ($1);
680 parse_state->terms = $1;
684 event_config ',' event_term
686 struct list_head *head = $1;
687 struct parse_events_term *term = $3;
690 parse_events_term__delete(term);
693 list_add_tail(&term->list, head);
699 struct list_head *head = malloc(sizeof(*head));
700 struct parse_events_term *term = $1;
703 INIT_LIST_HEAD(head);
704 list_add_tail(&term->list, head);
711 struct parse_events_term *term;
713 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
724 struct parse_events_term *term;
726 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
727 $1, $3, false, &@1, &@3)) {
734 PE_NAME '=' PE_VALUE_SYM_HW
736 struct parse_events_term *term;
737 int config = $3 & 255;
739 if (parse_events_term__sym_hw(&term, $1, config)) {
748 struct parse_events_term *term;
750 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
751 $1, 1, true, &@1, NULL)) {
760 struct parse_events_term *term;
761 int config = $1 & 255;
763 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
769 struct parse_events_term *term;
771 if (parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3)) {
780 struct parse_events_term *term;
782 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
788 struct parse_events_term *term;
790 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
794 PE_NAME array '=' PE_NAME
796 struct parse_events_term *term;
798 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
809 PE_NAME array '=' PE_VALUE
811 struct parse_events_term *term;
813 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
814 $1, $4, false, &@1, &@4)) {
825 struct parse_events_term *term;
826 char *config = strdup($1);
829 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
830 config, $1, &@1, NULL)) {
851 array_terms ',' array_term
853 struct parse_events_array new_array;
855 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
856 new_array.ranges = realloc($1.ranges,
857 sizeof(new_array.ranges[0]) *
858 new_array.nr_ranges);
859 ABORT_ON(!new_array.ranges);
860 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
861 $3.nr_ranges * sizeof(new_array.ranges[0]));
871 struct parse_events_array array;
874 array.ranges = malloc(sizeof(array.ranges[0]));
875 ABORT_ON(!array.ranges);
876 array.ranges[0].start = $1;
877 array.ranges[0].length = 1;
881 PE_VALUE PE_ARRAY_RANGE PE_VALUE
883 struct parse_events_array array;
887 array.ranges = malloc(sizeof(array.ranges[0]));
888 ABORT_ON(!array.ranges);
889 array.ranges[0].start = $1;
890 array.ranges[0].length = $3 - $1 + 1;
896 sep_slash_slash_dc: '/' '/' | ':' |
900 void parse_events_error(YYLTYPE *loc, void *parse_state,
901 void *scanner __maybe_unused,
902 char const *msg __maybe_unused)
904 parse_events_evlist_error(parse_state, loc->last_column, "parser error");