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(void)
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);
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 PE_PMU_EVENT_FAKE
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 PE_PMU_EVENT_FAKE
91 %type <str> PE_DRV_CFG_TERM
92 %type <str> event_pmu_name
93 %destructor { free ($$); } <str>
94 %type <term> event_term
95 %destructor { parse_events_term__delete ($$); } <term>
96 %type <list_terms> event_config
97 %type <list_terms> opt_event_config
98 %type <list_terms> opt_pmu_config
99 %destructor { parse_events_terms__delete ($$); } <list_terms>
100 %type <list_evsel> event_pmu
101 %type <list_evsel> event_legacy_symbol
102 %type <list_evsel> event_legacy_cache
103 %type <list_evsel> event_legacy_mem
104 %type <list_evsel> event_legacy_tracepoint
105 %type <list_evsel> event_legacy_numeric
106 %type <list_evsel> event_legacy_raw
107 %type <list_evsel> event_bpf_file
108 %type <list_evsel> event_def
109 %type <list_evsel> event_mod
110 %type <list_evsel> event_name
111 %type <list_evsel> event
112 %type <list_evsel> events
113 %type <list_evsel> group_def
114 %type <list_evsel> group
115 %type <list_evsel> groups
116 %destructor { free_list_evsel ($$); } <list_evsel>
117 %type <tracepoint_name> tracepoint_name
118 %destructor { free ($$.sys); free ($$.event); } <tracepoint_name>
120 %type <array> array_term
121 %type <array> array_terms
122 %destructor { free ($$.ranges); } <array>
128 struct list_head *list_evsel;
129 struct list_head *list_terms;
130 struct parse_events_term *term;
131 struct tracepoint_name {
135 struct parse_events_array array;
140 PE_START_EVENTS start_events
142 PE_START_TERMS start_terms
146 struct parse_events_state *parse_state = _parse_state;
149 parse_events_update_lists($1, &parse_state->list);
155 struct list_head *list = $1;
156 struct list_head *group = $3;
159 parse_events_update_lists(group, list);
165 struct list_head *list = $1;
166 struct list_head *event = $3;
169 parse_events_update_lists(event, list);
178 group_def ':' PE_MODIFIER_EVENT
180 struct list_head *list = $1;
183 err = parse_events__modifier_group(list, $3);
186 free_list_evsel(list);
195 PE_NAME '{' events '}'
197 struct list_head *list = $3;
199 inc_group_count(list, _parse_state);
200 parse_events__set_leader($1, list, _parse_state);
207 struct list_head *list = $2;
209 inc_group_count(list, _parse_state);
210 parse_events__set_leader(NULL, list, _parse_state);
217 struct list_head *event = $3;
218 struct list_head *list = $1;
221 parse_events_update_lists(event, list);
230 event_name PE_MODIFIER_EVENT
232 struct list_head *list = $1;
236 * Apply modifier on all events added by single event definition
237 * (there could be more events added for multiple tracepoint
238 * definitions via '*?'.
240 err = parse_events__modifier_event(list, $2, false);
243 free_list_evsel(list);
252 PE_EVENT_NAME event_def
256 err = parse_events_name($2, $1);
267 event_def: event_pmu |
268 event_legacy_symbol |
269 event_legacy_cache sep_dc |
271 event_legacy_tracepoint sep_dc |
272 event_legacy_numeric sep_dc |
273 event_legacy_raw sep_dc |
277 PE_NAME | PE_PMU_EVENT_PRE
280 event_pmu_name opt_pmu_config
282 struct parse_events_state *parse_state = _parse_state;
283 struct parse_events_error *error = parse_state->error;
284 struct list_head *list = NULL, *orig_terms = NULL, *terms= NULL;
285 char *pattern = NULL;
287 #define CLEANUP_YYABORT \
289 parse_events_terms__delete($2); \
290 parse_events_terms__delete(orig_terms); \
297 if (parse_events_copy_term_list($2, &orig_terms))
301 error->idx = @1.first_column;
306 if (parse_events_add_pmu(_parse_state, list, $1, $2, false, false)) {
307 struct perf_pmu *pmu = NULL;
310 if (asprintf(&pattern, "%s*", $1) < 0)
313 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
314 char *name = pmu->name;
316 if (!strncmp(name, "uncore_", 7) &&
317 strncmp($1, "uncore_", 7))
319 if (!fnmatch(pattern, name, 0)) {
320 if (parse_events_copy_term_list(orig_terms, &terms))
322 if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true, false))
324 parse_events_terms__delete(terms);
331 parse_events_terms__delete($2);
332 parse_events_terms__delete(orig_terms);
336 #undef CLEANUP_YYABORT
339 PE_KERNEL_PMU_EVENT sep_dc
341 struct list_head *list;
344 err = parse_events_multi_pmu_add(_parse_state, $1, &list);
351 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
353 struct list_head *list;
356 snprintf(pmu_name, sizeof(pmu_name), "%s-%s", $1, $3);
359 if (parse_events_multi_pmu_add(_parse_state, pmu_name, &list) < 0)
364 PE_PMU_EVENT_FAKE sep_dc
366 struct list_head *list;
373 err = parse_events_add_pmu(_parse_state, list, $1, NULL, false, false);
382 PE_PMU_EVENT_FAKE opt_pmu_config
384 struct list_head *list;
391 err = parse_events_add_pmu(_parse_state, list, $1, $2, false, false);
393 parse_events_terms__delete($2);
407 value_sym '/' event_config '/'
409 struct list_head *list;
411 int config = $1 & 255;
416 err = parse_events_add_numeric(_parse_state, list, type, config, $3);
417 parse_events_terms__delete($3);
419 free_list_evsel(list);
425 value_sym sep_slash_slash_dc
427 struct list_head *list;
429 int config = $1 & 255;
433 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL));
437 PE_VALUE_SYM_TOOL sep_slash_slash_dc
439 struct list_head *list;
443 ABORT_ON(parse_events_add_tool(_parse_state, list, $1));
448 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
450 struct parse_events_state *parse_state = _parse_state;
451 struct parse_events_error *error = parse_state->error;
452 struct list_head *list;
457 err = parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6,
459 parse_events_terms__delete($6);
464 free_list_evsel(list);
470 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
472 struct parse_events_state *parse_state = _parse_state;
473 struct parse_events_error *error = parse_state->error;
474 struct list_head *list;
479 err = parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4,
481 parse_events_terms__delete($4);
485 free_list_evsel(list);
491 PE_NAME_CACHE_TYPE opt_event_config
493 struct parse_events_state *parse_state = _parse_state;
494 struct parse_events_error *error = parse_state->error;
495 struct list_head *list;
500 err = parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2,
502 parse_events_terms__delete($2);
505 free_list_evsel(list);
512 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
514 struct parse_events_state *parse_state = _parse_state;
515 struct list_head *list;
520 err = parse_events_add_breakpoint(list, &parse_state->idx,
530 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
532 struct parse_events_state *parse_state = _parse_state;
533 struct list_head *list;
537 if (parse_events_add_breakpoint(list, &parse_state->idx,
545 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
547 struct parse_events_state *parse_state = _parse_state;
548 struct list_head *list;
553 err = parse_events_add_breakpoint(list, &parse_state->idx,
563 PE_PREFIX_MEM PE_VALUE sep_dc
565 struct parse_events_state *parse_state = _parse_state;
566 struct list_head *list;
570 if (parse_events_add_breakpoint(list, &parse_state->idx,
578 event_legacy_tracepoint:
579 tracepoint_name opt_event_config
581 struct parse_events_state *parse_state = _parse_state;
582 struct parse_events_error *error = parse_state->error;
583 struct list_head *list;
589 error->idx = @1.first_column;
591 err = parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
594 parse_events_terms__delete($2);
605 PE_NAME '-' PE_NAME ':' PE_NAME
607 struct tracepoint_name tracepoint;
609 ABORT_ON(asprintf(&tracepoint.sys, "%s-%s", $1, $3) < 0);
610 tracepoint.event = $5;
618 struct tracepoint_name tracepoint = {$1, $3};
623 event_legacy_numeric:
624 PE_VALUE ':' PE_VALUE opt_event_config
626 struct list_head *list;
631 err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4);
632 parse_events_terms__delete($4);
641 PE_RAW opt_event_config
643 struct list_head *list;
648 err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2);
649 parse_events_terms__delete($2);
658 PE_BPF_OBJECT opt_event_config
660 struct parse_events_state *parse_state = _parse_state;
661 struct list_head *list;
666 err = parse_events_load_bpf(parse_state, list, $1, false, $2);
667 parse_events_terms__delete($2);
676 PE_BPF_SOURCE opt_event_config
678 struct list_head *list;
683 err = parse_events_load_bpf(_parse_state, list, $1, true, $2);
684 parse_events_terms__delete($2);
718 start_terms: event_config
720 struct parse_events_state *parse_state = _parse_state;
721 if (parse_state->terms) {
722 parse_events_terms__delete ($1);
725 parse_state->terms = $1;
729 event_config ',' event_term
731 struct list_head *head = $1;
732 struct parse_events_term *term = $3;
735 parse_events_term__delete(term);
738 list_add_tail(&term->list, head);
744 struct list_head *head = malloc(sizeof(*head));
745 struct parse_events_term *term = $1;
748 INIT_LIST_HEAD(head);
749 list_add_tail(&term->list, head);
756 struct parse_events_term *term;
758 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_CONFIG,
759 NULL, $1, false, &@1, NULL));
765 struct parse_events_term *term;
767 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
778 struct parse_events_term *term;
780 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
781 $1, $3, false, &@1, &@3)) {
788 PE_NAME '=' PE_VALUE_SYM_HW
790 struct parse_events_term *term;
791 int config = $3 & 255;
793 if (parse_events_term__sym_hw(&term, $1, config)) {
802 struct parse_events_term *term;
804 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
805 $1, 1, true, &@1, NULL)) {
814 struct parse_events_term *term;
815 int config = $1 & 255;
817 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
823 struct parse_events_term *term;
825 if (parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3)) {
834 struct parse_events_term *term;
836 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
842 struct parse_events_term *term;
844 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
848 PE_NAME array '=' PE_NAME
850 struct parse_events_term *term;
852 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
863 PE_NAME array '=' PE_VALUE
865 struct parse_events_term *term;
867 if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
868 $1, $4, false, &@1, &@4)) {
879 struct parse_events_term *term;
880 char *config = strdup($1);
883 if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
884 config, $1, &@1, NULL)) {
905 array_terms ',' array_term
907 struct parse_events_array new_array;
909 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
910 new_array.ranges = realloc($1.ranges,
911 sizeof(new_array.ranges[0]) *
912 new_array.nr_ranges);
913 ABORT_ON(!new_array.ranges);
914 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
915 $3.nr_ranges * sizeof(new_array.ranges[0]));
925 struct parse_events_array array;
928 array.ranges = malloc(sizeof(array.ranges[0]));
929 ABORT_ON(!array.ranges);
930 array.ranges[0].start = $1;
931 array.ranges[0].length = 1;
935 PE_VALUE PE_ARRAY_RANGE PE_VALUE
937 struct parse_events_array array;
941 array.ranges = malloc(sizeof(array.ranges[0]));
942 ABORT_ON(!array.ranges);
943 array.ranges[0].start = $1;
944 array.ranges[0].length = $3 - $1 + 1;
950 sep_slash_slash_dc: '/' '/' | ':' |
954 void parse_events_error(YYLTYPE *loc, void *parse_state,
955 void *scanner __maybe_unused,
956 char const *msg __maybe_unused)
958 parse_events_evlist_error(parse_state, loc->last_column, "parser error");