2 %parse-param {void *_parse_state}
3 %parse-param {void *scanner}
4 %lex-param {void* scanner}
11 #include <linux/compiler.h>
12 #include <linux/list.h>
13 #include <linux/types.h>
17 #include "parse-events.h"
18 #include "parse-events-bison.h"
20 void parse_events_error(YYLTYPE *loc, void *parse_state, void *scanner, char const *msg);
22 #define ABORT_ON(val) \
28 #define ALLOC_LIST(list) \
30 list = malloc(sizeof(*list)); \
32 INIT_LIST_HEAD(list); \
35 static void inc_group_count(struct list_head *list,
36 struct parse_events_state *parse_state)
38 /* Count groups only have more than 1 members */
39 if (!list_is_last(list->next, list))
40 parse_state->nr_groups++;
45 %token PE_START_EVENTS PE_START_TERMS
46 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
49 %token PE_BPF_OBJECT PE_BPF_SOURCE
50 %token PE_MODIFIER_EVENT PE_MODIFIER_BP
51 %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
52 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
54 %token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
55 %token PE_ARRAY_ALL PE_ARRAY_RANGE
56 %token PE_DRV_CFG_TERM
58 %type <num> PE_VALUE_SYM_HW
59 %type <num> PE_VALUE_SYM_SW
63 %type <str> PE_BPF_OBJECT
64 %type <str> PE_BPF_SOURCE
65 %type <str> PE_NAME_CACHE_TYPE
66 %type <str> PE_NAME_CACHE_OP_RESULT
67 %type <str> PE_MODIFIER_EVENT
68 %type <str> PE_MODIFIER_BP
69 %type <str> PE_EVENT_NAME
70 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
71 %type <str> PE_DRV_CFG_TERM
73 %type <head> event_config
74 %type <head> opt_event_config
75 %type <head> opt_pmu_config
76 %type <term> event_term
77 %type <head> event_pmu
78 %type <head> event_legacy_symbol
79 %type <head> event_legacy_cache
80 %type <head> event_legacy_mem
81 %type <head> event_legacy_tracepoint
82 %type <tracepoint_name> tracepoint_name
83 %type <head> event_legacy_numeric
84 %type <head> event_legacy_raw
85 %type <head> event_bpf_file
86 %type <head> event_def
87 %type <head> event_mod
88 %type <head> event_name
91 %type <head> group_def
95 %type <array> array_term
96 %type <array> array_terms
102 struct list_head *head;
103 struct parse_events_term *term;
104 struct tracepoint_name {
108 struct parse_events_array array;
113 PE_START_EVENTS start_events
115 PE_START_TERMS start_terms
119 struct parse_events_state *parse_state = _parse_state;
121 parse_events_update_lists($1, &parse_state->list);
127 struct list_head *list = $1;
128 struct list_head *group = $3;
130 parse_events_update_lists(group, list);
136 struct list_head *list = $1;
137 struct list_head *event = $3;
139 parse_events_update_lists(event, list);
148 group_def ':' PE_MODIFIER_EVENT
150 struct list_head *list = $1;
152 ABORT_ON(parse_events__modifier_group(list, $3));
159 PE_NAME '{' events '}'
161 struct list_head *list = $3;
163 inc_group_count(list, _parse_state);
164 parse_events__set_leader($1, list);
170 struct list_head *list = $2;
172 inc_group_count(list, _parse_state);
173 parse_events__set_leader(NULL, list);
180 struct list_head *event = $3;
181 struct list_head *list = $1;
183 parse_events_update_lists(event, list);
192 event_name PE_MODIFIER_EVENT
194 struct list_head *list = $1;
197 * Apply modifier on all events added by single event definition
198 * (there could be more events added for multiple tracepoint
199 * definitions via '*?'.
201 ABORT_ON(parse_events__modifier_event(list, $2, false));
208 PE_EVENT_NAME event_def
210 ABORT_ON(parse_events_name($2, $1));
217 event_def: event_pmu |
218 event_legacy_symbol |
219 event_legacy_cache sep_dc |
221 event_legacy_tracepoint sep_dc |
222 event_legacy_numeric sep_dc |
223 event_legacy_raw sep_dc |
227 PE_NAME opt_pmu_config
229 struct parse_events_state *parse_state = _parse_state;
230 struct parse_events_error *error = parse_state->error;
231 struct list_head *list, *orig_terms, *terms;
233 if (parse_events_copy_term_list($2, &orig_terms))
237 error->idx = @1.first_column;
240 if (parse_events_add_pmu(_parse_state, list, $1, $2)) {
241 struct perf_pmu *pmu = NULL;
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 (!strncmp($1, name, strlen($1))) {
251 if (parse_events_copy_term_list(orig_terms, &terms))
253 if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms))
255 parse_events_terms__delete(terms);
261 parse_events_terms__delete($2);
262 parse_events_terms__delete(orig_terms);
266 PE_KERNEL_PMU_EVENT sep_dc
268 struct list_head *list;
270 if (parse_events_multi_pmu_add(_parse_state, $1, &list) < 0)
275 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
277 struct list_head *list;
280 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
281 if (parse_events_multi_pmu_add(_parse_state, pmu_name, &list) < 0)
292 value_sym '/' event_config '/'
294 struct list_head *list;
296 int config = $1 & 255;
299 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, $3));
300 parse_events_terms__delete($3);
304 value_sym sep_slash_dc
306 struct list_head *list;
308 int config = $1 & 255;
311 ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL));
316 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
318 struct parse_events_state *parse_state = _parse_state;
319 struct parse_events_error *error = parse_state->error;
320 struct list_head *list;
323 ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6));
324 parse_events_terms__delete($6);
328 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
330 struct parse_events_state *parse_state = _parse_state;
331 struct parse_events_error *error = parse_state->error;
332 struct list_head *list;
335 ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4));
336 parse_events_terms__delete($4);
340 PE_NAME_CACHE_TYPE opt_event_config
342 struct parse_events_state *parse_state = _parse_state;
343 struct parse_events_error *error = parse_state->error;
344 struct list_head *list;
347 ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2));
348 parse_events_terms__delete($2);
353 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
355 struct parse_events_state *parse_state = _parse_state;
356 struct list_head *list;
359 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
360 (void *) $2, $6, $4));
364 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
366 struct parse_events_state *parse_state = _parse_state;
367 struct list_head *list;
370 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
371 (void *) $2, NULL, $4));
375 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
377 struct parse_events_state *parse_state = _parse_state;
378 struct list_head *list;
381 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
382 (void *) $2, $4, 0));
386 PE_PREFIX_MEM PE_VALUE sep_dc
388 struct parse_events_state *parse_state = _parse_state;
389 struct list_head *list;
392 ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
393 (void *) $2, NULL, 0));
397 event_legacy_tracepoint:
398 tracepoint_name opt_event_config
400 struct parse_events_state *parse_state = _parse_state;
401 struct parse_events_error *error = parse_state->error;
402 struct list_head *list;
406 error->idx = @1.first_column;
408 if (parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
416 PE_NAME '-' PE_NAME ':' PE_NAME
419 struct tracepoint_name tracepoint;
421 snprintf(&sys_name, 128, "%s-%s", $1, $3);
422 tracepoint.sys = &sys_name;
423 tracepoint.event = $5;
430 struct tracepoint_name tracepoint = {$1, $3};
435 event_legacy_numeric:
436 PE_VALUE ':' PE_VALUE opt_event_config
438 struct list_head *list;
441 ABORT_ON(parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4));
442 parse_events_terms__delete($4);
447 PE_RAW opt_event_config
449 struct list_head *list;
452 ABORT_ON(parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2));
453 parse_events_terms__delete($2);
458 PE_BPF_OBJECT opt_event_config
460 struct parse_events_state *parse_state = _parse_state;
461 struct parse_events_error *error = parse_state->error;
462 struct list_head *list;
465 ABORT_ON(parse_events_load_bpf(parse_state, list, $1, false, $2));
466 parse_events_terms__delete($2);
470 PE_BPF_SOURCE opt_event_config
472 struct list_head *list;
475 ABORT_ON(parse_events_load_bpf(_parse_state, list, $1, true, $2));
476 parse_events_terms__delete($2);
506 start_terms: event_config
508 struct parse_events_state *parse_state = _parse_state;
509 parse_state->terms = $1;
513 event_config ',' event_term
515 struct list_head *head = $1;
516 struct parse_events_term *term = $3;
519 list_add_tail(&term->list, head);
525 struct list_head *head = malloc(sizeof(*head));
526 struct parse_events_term *term = $1;
529 INIT_LIST_HEAD(head);
530 list_add_tail(&term->list, head);
537 struct parse_events_term *term;
539 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
546 struct parse_events_term *term;
548 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
549 $1, $3, false, &@1, &@3));
553 PE_NAME '=' PE_VALUE_SYM_HW
555 struct parse_events_term *term;
556 int config = $3 & 255;
558 ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
564 struct parse_events_term *term;
566 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
567 $1, 1, true, &@1, NULL));
573 struct parse_events_term *term;
574 int config = $1 & 255;
576 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
582 struct parse_events_term *term;
584 ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
590 struct parse_events_term *term;
592 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
598 struct parse_events_term *term;
600 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
604 PE_NAME array '=' PE_NAME
606 struct parse_events_term *term;
609 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
616 PE_NAME array '=' PE_VALUE
618 struct parse_events_term *term;
620 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
621 $1, $4, false, &@1, &@4));
628 struct parse_events_term *term;
630 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
648 array_terms ',' array_term
650 struct parse_events_array new_array;
652 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
653 new_array.ranges = malloc(sizeof(new_array.ranges[0]) *
654 new_array.nr_ranges);
655 ABORT_ON(!new_array.ranges);
656 memcpy(&new_array.ranges[0], $1.ranges,
657 $1.nr_ranges * sizeof(new_array.ranges[0]));
658 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
659 $3.nr_ranges * sizeof(new_array.ranges[0]));
670 struct parse_events_array array;
673 array.ranges = malloc(sizeof(array.ranges[0]));
674 ABORT_ON(!array.ranges);
675 array.ranges[0].start = $1;
676 array.ranges[0].length = 1;
680 PE_VALUE PE_ARRAY_RANGE PE_VALUE
682 struct parse_events_array array;
686 array.ranges = malloc(sizeof(array.ranges[0]));
687 ABORT_ON(!array.ranges);
688 array.ranges[0].start = $1;
689 array.ranges[0].length = $3 - $1 + 1;
695 sep_slash_dc: '/' | ':' |
699 void parse_events_error(YYLTYPE *loc, void *parse_state,
700 void *scanner __maybe_unused,
701 char const *msg __maybe_unused)
703 parse_events_evlist_error(parse_state, loc->last_column, "parser error");