2 %parse-param {void *_data}
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 *data, 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_evlist *data)
38 /* Count groups only have more than 1 members */
39 if (!list_is_last(list->next, list))
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 <term> event_term
76 %type <head> event_pmu
77 %type <head> event_legacy_symbol
78 %type <head> event_legacy_cache
79 %type <head> event_legacy_mem
80 %type <head> event_legacy_tracepoint
81 %type <tracepoint_name> tracepoint_name
82 %type <head> event_legacy_numeric
83 %type <head> event_legacy_raw
84 %type <head> event_bpf_file
85 %type <head> event_def
86 %type <head> event_mod
87 %type <head> event_name
90 %type <head> group_def
94 %type <array> array_term
95 %type <array> array_terms
101 struct list_head *head;
102 struct parse_events_term *term;
103 struct tracepoint_name {
107 struct parse_events_array array;
112 PE_START_EVENTS start_events
114 PE_START_TERMS start_terms
118 struct parse_events_evlist *data = _data;
120 parse_events_update_lists($1, &data->list);
126 struct list_head *list = $1;
127 struct list_head *group = $3;
129 parse_events_update_lists(group, list);
135 struct list_head *list = $1;
136 struct list_head *event = $3;
138 parse_events_update_lists(event, list);
147 group_def ':' PE_MODIFIER_EVENT
149 struct list_head *list = $1;
151 ABORT_ON(parse_events__modifier_group(list, $3));
158 PE_NAME '{' events '}'
160 struct list_head *list = $3;
162 inc_group_count(list, _data);
163 parse_events__set_leader($1, list);
169 struct list_head *list = $2;
171 inc_group_count(list, _data);
172 parse_events__set_leader(NULL, list);
179 struct list_head *event = $3;
180 struct list_head *list = $1;
182 parse_events_update_lists(event, list);
191 event_name PE_MODIFIER_EVENT
193 struct list_head *list = $1;
196 * Apply modifier on all events added by single event definition
197 * (there could be more events added for multiple tracepoint
198 * definitions via '*?'.
200 ABORT_ON(parse_events__modifier_event(list, $2, false));
207 PE_EVENT_NAME event_def
209 ABORT_ON(parse_events_name($2, $1));
216 event_def: event_pmu |
217 event_legacy_symbol |
218 event_legacy_cache sep_dc |
220 event_legacy_tracepoint sep_dc |
221 event_legacy_numeric sep_dc |
222 event_legacy_raw sep_dc |
226 PE_NAME opt_event_config
228 struct parse_events_evlist *data = _data;
229 struct list_head *list;
232 ABORT_ON(parse_events_add_pmu(data, list, $1, $2));
233 parse_events_terms__delete($2);
237 PE_KERNEL_PMU_EVENT sep_dc
239 struct parse_events_evlist *data = _data;
240 struct list_head *head;
241 struct parse_events_term *term;
242 struct list_head *list;
243 struct perf_pmu *pmu = NULL;
246 /* Add it for all PMUs that support the alias */
248 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
249 struct perf_pmu_alias *alias;
251 list_for_each_entry(alias, &pmu->aliases, list) {
252 if (!strcasecmp(alias->name, $1)) {
254 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
256 list_add_tail(&term->list, head);
258 if (!parse_events_add_pmu(data, list,
260 pr_debug("%s -> %s/%s/\n", $1,
261 pmu->name, alias->str);
265 parse_events_terms__delete(head);
274 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
276 struct parse_events_evlist *data = _data;
277 struct list_head *head;
278 struct parse_events_term *term;
279 struct list_head *list;
281 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
284 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
285 &pmu_name, 1, &@1, NULL));
286 list_add_tail(&term->list, head);
289 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
290 parse_events_terms__delete(head);
300 value_sym '/' event_config '/'
302 struct parse_events_evlist *data = _data;
303 struct list_head *list;
305 int config = $1 & 255;
308 ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
309 parse_events_terms__delete($3);
313 value_sym sep_slash_dc
315 struct parse_events_evlist *data = _data;
316 struct list_head *list;
318 int config = $1 & 255;
321 ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
326 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
328 struct parse_events_evlist *data = _data;
329 struct parse_events_error *error = data->error;
330 struct list_head *list;
333 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5, error, $6));
334 parse_events_terms__delete($6);
338 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
340 struct parse_events_evlist *data = _data;
341 struct parse_events_error *error = data->error;
342 struct list_head *list;
345 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL, error, $4));
346 parse_events_terms__delete($4);
350 PE_NAME_CACHE_TYPE opt_event_config
352 struct parse_events_evlist *data = _data;
353 struct parse_events_error *error = data->error;
354 struct list_head *list;
357 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL, error, $2));
358 parse_events_terms__delete($2);
363 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
365 struct parse_events_evlist *data = _data;
366 struct list_head *list;
369 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
370 (void *) $2, $6, $4));
374 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
376 struct parse_events_evlist *data = _data;
377 struct list_head *list;
380 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
381 (void *) $2, NULL, $4));
385 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
387 struct parse_events_evlist *data = _data;
388 struct list_head *list;
391 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
392 (void *) $2, $4, 0));
396 PE_PREFIX_MEM PE_VALUE sep_dc
398 struct parse_events_evlist *data = _data;
399 struct list_head *list;
402 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
403 (void *) $2, NULL, 0));
407 event_legacy_tracepoint:
408 tracepoint_name opt_event_config
410 struct parse_events_evlist *data = _data;
411 struct parse_events_error *error = data->error;
412 struct list_head *list;
416 error->idx = @1.first_column;
418 if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
426 PE_NAME '-' PE_NAME ':' PE_NAME
429 struct tracepoint_name tracepoint;
431 snprintf(&sys_name, 128, "%s-%s", $1, $3);
432 tracepoint.sys = &sys_name;
433 tracepoint.event = $5;
440 struct tracepoint_name tracepoint = {$1, $3};
445 event_legacy_numeric:
446 PE_VALUE ':' PE_VALUE opt_event_config
448 struct parse_events_evlist *data = _data;
449 struct list_head *list;
452 ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, $4));
453 parse_events_terms__delete($4);
458 PE_RAW opt_event_config
460 struct parse_events_evlist *data = _data;
461 struct list_head *list;
464 ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, $2));
465 parse_events_terms__delete($2);
470 PE_BPF_OBJECT opt_event_config
472 struct parse_events_evlist *data = _data;
473 struct parse_events_error *error = data->error;
474 struct list_head *list;
477 ABORT_ON(parse_events_load_bpf(data, list, $1, false, $2));
478 parse_events_terms__delete($2);
482 PE_BPF_SOURCE opt_event_config
484 struct parse_events_evlist *data = _data;
485 struct list_head *list;
488 ABORT_ON(parse_events_load_bpf(data, list, $1, true, $2));
489 parse_events_terms__delete($2);
508 start_terms: event_config
510 struct parse_events_terms *data = _data;
515 event_config ',' event_term
517 struct list_head *head = $1;
518 struct parse_events_term *term = $3;
521 list_add_tail(&term->list, head);
527 struct list_head *head = malloc(sizeof(*head));
528 struct parse_events_term *term = $1;
531 INIT_LIST_HEAD(head);
532 list_add_tail(&term->list, head);
539 struct parse_events_term *term;
541 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
548 struct parse_events_term *term;
550 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
555 PE_NAME '=' PE_VALUE_SYM_HW
557 struct parse_events_term *term;
558 int config = $3 & 255;
560 ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
566 struct parse_events_term *term;
568 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
575 struct parse_events_term *term;
576 int config = $1 & 255;
578 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
584 struct parse_events_term *term;
586 ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
592 struct parse_events_term *term;
594 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
600 struct parse_events_term *term;
602 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
606 PE_NAME array '=' PE_NAME
608 struct parse_events_term *term;
611 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
618 PE_NAME array '=' PE_VALUE
620 struct parse_events_term *term;
622 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
630 struct parse_events_term *term;
632 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
650 array_terms ',' array_term
652 struct parse_events_array new_array;
654 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
655 new_array.ranges = malloc(sizeof(new_array.ranges[0]) *
656 new_array.nr_ranges);
657 ABORT_ON(!new_array.ranges);
658 memcpy(&new_array.ranges[0], $1.ranges,
659 $1.nr_ranges * sizeof(new_array.ranges[0]));
660 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
661 $3.nr_ranges * sizeof(new_array.ranges[0]));
672 struct parse_events_array array;
675 array.ranges = malloc(sizeof(array.ranges[0]));
676 ABORT_ON(!array.ranges);
677 array.ranges[0].start = $1;
678 array.ranges[0].length = 1;
682 PE_VALUE PE_ARRAY_RANGE PE_VALUE
684 struct parse_events_array array;
688 array.ranges = malloc(sizeof(array.ranges[0]));
689 ABORT_ON(!array.ranges);
690 array.ranges[0].start = $1;
691 array.ranges[0].length = $3 - $1 + 1;
697 sep_slash_dc: '/' | ':' |
701 void parse_events_error(YYLTYPE *loc, void *data,
702 void *scanner __maybe_unused,
703 char const *msg __maybe_unused)
705 parse_events_evlist_error(data, loc->last_column, "parser error");