2 %parse-param {void *_parse_state}
3 %parse-param {void *scanner}
4 %lex-param {void* scanner}
12 #include <linux/compiler.h>
13 #include <linux/list.h>
14 #include <linux/types.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 #define ALLOC_LIST(list) \
31 list = malloc(sizeof(*list)); \
33 INIT_LIST_HEAD(list); \
36 static void inc_group_count(struct list_head *list,
37 struct parse_events_state *parse_state)
39 /* Count groups only have more than 1 members */
40 if (!list_is_last(list->next, list))
41 parse_state->nr_groups++;
46 %token PE_START_EVENTS PE_START_TERMS
47 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
50 %token PE_BPF_OBJECT PE_BPF_SOURCE
51 %token PE_MODIFIER_EVENT PE_MODIFIER_BP
52 %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
53 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
55 %token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
56 %token PE_ARRAY_ALL PE_ARRAY_RANGE
57 %token PE_DRV_CFG_TERM
59 %type <num> PE_VALUE_SYM_HW
60 %type <num> PE_VALUE_SYM_SW
64 %type <str> PE_BPF_OBJECT
65 %type <str> PE_BPF_SOURCE
66 %type <str> PE_NAME_CACHE_TYPE
67 %type <str> PE_NAME_CACHE_OP_RESULT
68 %type <str> PE_MODIFIER_EVENT
69 %type <str> PE_MODIFIER_BP
70 %type <str> PE_EVENT_NAME
71 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
72 %type <str> PE_DRV_CFG_TERM
74 %type <head> event_config
75 %type <head> opt_event_config
76 %type <head> opt_pmu_config
77 %type <term> event_term
78 %type <head> event_pmu
79 %type <head> event_legacy_symbol
80 %type <head> event_legacy_cache
81 %type <head> event_legacy_mem
82 %type <head> event_legacy_tracepoint
83 %type <tracepoint_name> tracepoint_name
84 %type <head> event_legacy_numeric
85 %type <head> event_legacy_raw
86 %type <head> event_bpf_file
87 %type <head> event_def
88 %type <head> event_mod
89 %type <head> event_name
92 %type <head> group_def
96 %type <array> array_term
97 %type <array> array_terms
103 struct list_head *head;
104 struct parse_events_term *term;
105 struct tracepoint_name {
109 struct parse_events_array array;
114 PE_START_EVENTS start_events
116 PE_START_TERMS start_terms
120 struct parse_events_state *parse_state = _parse_state;
122 parse_events_update_lists($1, &parse_state->list);
128 struct list_head *list = $1;
129 struct list_head *group = $3;
131 parse_events_update_lists(group, list);
137 struct list_head *list = $1;
138 struct list_head *event = $3;
140 parse_events_update_lists(event, list);
149 group_def ':' PE_MODIFIER_EVENT
151 struct list_head *list = $1;
153 ABORT_ON(parse_events__modifier_group(list, $3));
160 PE_NAME '{' events '}'
162 struct list_head *list = $3;
164 inc_group_count(list, _parse_state);
165 parse_events__set_leader($1, list, _parse_state);
171 struct list_head *list = $2;
173 inc_group_count(list, _parse_state);
174 parse_events__set_leader(NULL, list, _parse_state);
181 struct list_head *event = $3;
182 struct list_head *list = $1;
184 parse_events_update_lists(event, list);
193 event_name PE_MODIFIER_EVENT
195 struct list_head *list = $1;
198 * Apply modifier on all events added by single event definition
199 * (there could be more events added for multiple tracepoint
200 * definitions via '*?'.
202 ABORT_ON(parse_events__modifier_event(list, $2, false));
209 PE_EVENT_NAME event_def
211 ABORT_ON(parse_events_name($2, $1));
218 event_def: event_pmu |
219 event_legacy_symbol |
220 event_legacy_cache sep_dc |
222 event_legacy_tracepoint sep_dc |
223 event_legacy_numeric sep_dc |
224 event_legacy_raw sep_dc |
228 PE_NAME opt_pmu_config
230 struct list_head *list, *orig_terms, *terms;
232 if (parse_events_copy_term_list($2, &orig_terms))
236 if (parse_events_add_pmu(_parse_state, list, $1, $2, false, false)) {
237 struct perf_pmu *pmu = NULL;
241 if (asprintf(&pattern, "%s*", $1) < 0)
244 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
245 char *name = pmu->name;
247 if (!strncmp(name, "uncore_", 7) &&
248 strncmp($1, "uncore_", 7))
250 if (!fnmatch(pattern, name, 0)) {
251 if (parse_events_copy_term_list(orig_terms, &terms)) {
255 if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true, false))
257 parse_events_terms__delete(terms);
266 parse_events_terms__delete($2);
267 parse_events_terms__delete(orig_terms);
271 PE_KERNEL_PMU_EVENT sep_dc
273 struct list_head *list;
275 if (parse_events_multi_pmu_add(_parse_state, $1, &list) < 0)
280 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
282 struct list_head *list;
285 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
286 if (parse_events_multi_pmu_add(_parse_state, pmu_name, &list) < 0)
297 value_sym '/' event_config '/'
299 struct list_head *list;
301 int config = $1 & 255;
304 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, $3));
305 parse_events_terms__delete($3);
309 value_sym sep_slash_dc
311 struct list_head *list;
313 int config = $1 & 255;
316 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL));
321 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
323 struct parse_events_state *parse_state = _parse_state;
324 struct parse_events_error *error = parse_state->error;
325 struct list_head *list;
328 ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6));
329 parse_events_terms__delete($6);
333 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
335 struct parse_events_state *parse_state = _parse_state;
336 struct parse_events_error *error = parse_state->error;
337 struct list_head *list;
340 ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4));
341 parse_events_terms__delete($4);
345 PE_NAME_CACHE_TYPE opt_event_config
347 struct parse_events_state *parse_state = _parse_state;
348 struct parse_events_error *error = parse_state->error;
349 struct list_head *list;
352 ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2));
353 parse_events_terms__delete($2);
358 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
360 struct parse_events_state *parse_state = _parse_state;
361 struct list_head *list;
364 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
365 (void *) $2, $6, $4));
369 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
371 struct parse_events_state *parse_state = _parse_state;
372 struct list_head *list;
375 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
376 (void *) $2, NULL, $4));
380 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
382 struct parse_events_state *parse_state = _parse_state;
383 struct list_head *list;
386 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
387 (void *) $2, $4, 0));
391 PE_PREFIX_MEM PE_VALUE sep_dc
393 struct parse_events_state *parse_state = _parse_state;
394 struct list_head *list;
397 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
398 (void *) $2, NULL, 0));
402 event_legacy_tracepoint:
403 tracepoint_name opt_event_config
405 struct parse_events_state *parse_state = _parse_state;
406 struct parse_events_error *error = parse_state->error;
407 struct list_head *list;
411 error->idx = @1.first_column;
413 if (parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
421 PE_NAME '-' PE_NAME ':' PE_NAME
424 struct tracepoint_name tracepoint;
426 snprintf(&sys_name, 128, "%s-%s", $1, $3);
427 tracepoint.sys = &sys_name;
428 tracepoint.event = $5;
435 struct tracepoint_name tracepoint = {$1, $3};
440 event_legacy_numeric:
441 PE_VALUE ':' PE_VALUE opt_event_config
443 struct list_head *list;
446 ABORT_ON(parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4));
447 parse_events_terms__delete($4);
452 PE_RAW opt_event_config
454 struct list_head *list;
457 ABORT_ON(parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2));
458 parse_events_terms__delete($2);
463 PE_BPF_OBJECT opt_event_config
465 struct parse_events_state *parse_state = _parse_state;
466 struct parse_events_error *error = parse_state->error;
467 struct list_head *list;
470 ABORT_ON(parse_events_load_bpf(parse_state, list, $1, false, $2));
471 parse_events_terms__delete($2);
475 PE_BPF_SOURCE opt_event_config
477 struct list_head *list;
480 ABORT_ON(parse_events_load_bpf(_parse_state, list, $1, true, $2));
481 parse_events_terms__delete($2);
511 start_terms: event_config
513 struct parse_events_state *parse_state = _parse_state;
514 parse_state->terms = $1;
518 event_config ',' event_term
520 struct list_head *head = $1;
521 struct parse_events_term *term = $3;
524 list_add_tail(&term->list, head);
530 struct list_head *head = malloc(sizeof(*head));
531 struct parse_events_term *term = $1;
534 INIT_LIST_HEAD(head);
535 list_add_tail(&term->list, head);
542 struct parse_events_term *term;
544 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
551 struct parse_events_term *term;
553 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
554 $1, $3, false, &@1, &@3));
558 PE_NAME '=' PE_VALUE_SYM_HW
560 struct parse_events_term *term;
561 int config = $3 & 255;
563 ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
569 struct parse_events_term *term;
571 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
572 $1, 1, true, &@1, NULL));
578 struct parse_events_term *term;
579 int config = $1 & 255;
581 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
587 struct parse_events_term *term;
589 ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
595 struct parse_events_term *term;
597 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
603 struct parse_events_term *term;
605 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
609 PE_NAME array '=' PE_NAME
611 struct parse_events_term *term;
614 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
621 PE_NAME array '=' PE_VALUE
623 struct parse_events_term *term;
625 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
626 $1, $4, false, &@1, &@4));
633 struct parse_events_term *term;
635 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
653 array_terms ',' array_term
655 struct parse_events_array new_array;
657 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
658 new_array.ranges = malloc(sizeof(new_array.ranges[0]) *
659 new_array.nr_ranges);
660 ABORT_ON(!new_array.ranges);
661 memcpy(&new_array.ranges[0], $1.ranges,
662 $1.nr_ranges * sizeof(new_array.ranges[0]));
663 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
664 $3.nr_ranges * sizeof(new_array.ranges[0]));
675 struct parse_events_array array;
678 array.ranges = malloc(sizeof(array.ranges[0]));
679 ABORT_ON(!array.ranges);
680 array.ranges[0].start = $1;
681 array.ranges[0].length = 1;
685 PE_VALUE PE_ARRAY_RANGE PE_VALUE
687 struct parse_events_array array;
691 array.ranges = malloc(sizeof(array.ranges[0]));
692 ABORT_ON(!array.ranges);
693 array.ranges[0].start = $1;
694 array.ranges[0].length = $3 - $1 + 1;
700 sep_slash_dc: '/' | ':' |
704 void parse_events_error(YYLTYPE *loc, void *parse_state,
705 void *scanner __maybe_unused,
706 char const *msg __maybe_unused)
708 parse_events_evlist_error(parse_state, loc->last_column, "parser error");