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>
15 #include "parse-events.h"
16 #include "parse-events-bison.h"
18 #define ABORT_ON(val) \
24 #define ALLOC_LIST(list) \
26 list = malloc(sizeof(*list)); \
28 INIT_LIST_HEAD(list); \
31 static inc_group_count(struct list_head *list,
32 struct parse_events_evlist *data)
34 /* Count groups only have more than 1 members */
35 if (!list_is_last(list->next, list))
41 %token PE_START_EVENTS PE_START_TERMS
42 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
45 %token PE_BPF_OBJECT PE_BPF_SOURCE
46 %token PE_MODIFIER_EVENT PE_MODIFIER_BP
47 %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
48 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
50 %token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
52 %type <num> PE_VALUE_SYM_HW
53 %type <num> PE_VALUE_SYM_SW
57 %type <str> PE_BPF_OBJECT
58 %type <str> PE_BPF_SOURCE
59 %type <str> PE_NAME_CACHE_TYPE
60 %type <str> PE_NAME_CACHE_OP_RESULT
61 %type <str> PE_MODIFIER_EVENT
62 %type <str> PE_MODIFIER_BP
63 %type <str> PE_EVENT_NAME
64 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
66 %type <head> event_config
67 %type <term> event_term
68 %type <head> event_pmu
69 %type <head> event_legacy_symbol
70 %type <head> event_legacy_cache
71 %type <head> event_legacy_mem
72 %type <head> event_legacy_tracepoint
73 %type <tracepoint_name> tracepoint_name
74 %type <head> event_legacy_numeric
75 %type <head> event_legacy_raw
76 %type <head> event_bpf_file
77 %type <head> event_def
78 %type <head> event_mod
79 %type <head> event_name
82 %type <head> group_def
90 struct list_head *head;
91 struct parse_events_term *term;
92 struct tracepoint_name {
100 PE_START_EVENTS start_events
102 PE_START_TERMS start_terms
106 struct parse_events_evlist *data = _data;
108 parse_events_update_lists($1, &data->list);
114 struct list_head *list = $1;
115 struct list_head *group = $3;
117 parse_events_update_lists(group, list);
123 struct list_head *list = $1;
124 struct list_head *event = $3;
126 parse_events_update_lists(event, list);
135 group_def ':' PE_MODIFIER_EVENT
137 struct list_head *list = $1;
139 ABORT_ON(parse_events__modifier_group(list, $3));
146 PE_NAME '{' events '}'
148 struct list_head *list = $3;
150 inc_group_count(list, _data);
151 parse_events__set_leader($1, list);
157 struct list_head *list = $2;
159 inc_group_count(list, _data);
160 parse_events__set_leader(NULL, list);
167 struct list_head *event = $3;
168 struct list_head *list = $1;
170 parse_events_update_lists(event, list);
179 event_name PE_MODIFIER_EVENT
181 struct list_head *list = $1;
184 * Apply modifier on all events added by single event definition
185 * (there could be more events added for multiple tracepoint
186 * definitions via '*?'.
188 ABORT_ON(parse_events__modifier_event(list, $2, false));
195 PE_EVENT_NAME event_def
197 ABORT_ON(parse_events_name($2, $1));
204 event_def: event_pmu |
205 event_legacy_symbol |
206 event_legacy_cache sep_dc |
208 event_legacy_tracepoint sep_dc |
209 event_legacy_numeric sep_dc |
210 event_legacy_raw sep_dc |
214 PE_NAME '/' event_config '/'
216 struct parse_events_evlist *data = _data;
217 struct list_head *list;
220 ABORT_ON(parse_events_add_pmu(data, list, $1, $3));
221 parse_events__free_terms($3);
227 struct parse_events_evlist *data = _data;
228 struct list_head *list;
231 ABORT_ON(parse_events_add_pmu(data, list, $1, NULL));
235 PE_KERNEL_PMU_EVENT sep_dc
237 struct parse_events_evlist *data = _data;
238 struct list_head *head;
239 struct parse_events_term *term;
240 struct list_head *list;
243 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
245 list_add_tail(&term->list, head);
248 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
249 parse_events__free_terms(head);
253 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
255 struct parse_events_evlist *data = _data;
256 struct list_head *head;
257 struct parse_events_term *term;
258 struct list_head *list;
260 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
263 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
264 &pmu_name, 1, &@1, NULL));
265 list_add_tail(&term->list, head);
268 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
269 parse_events__free_terms(head);
279 value_sym '/' event_config '/'
281 struct parse_events_evlist *data = _data;
282 struct list_head *list;
284 int config = $1 & 255;
287 ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
288 parse_events__free_terms($3);
292 value_sym sep_slash_dc
294 struct parse_events_evlist *data = _data;
295 struct list_head *list;
297 int config = $1 & 255;
300 ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
305 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
307 struct parse_events_evlist *data = _data;
308 struct list_head *list;
311 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5));
315 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
317 struct parse_events_evlist *data = _data;
318 struct list_head *list;
321 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL));
327 struct parse_events_evlist *data = _data;
328 struct list_head *list;
331 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL));
336 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
338 struct parse_events_evlist *data = _data;
339 struct list_head *list;
342 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
343 (void *) $2, $6, $4));
347 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
349 struct parse_events_evlist *data = _data;
350 struct list_head *list;
353 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
354 (void *) $2, NULL, $4));
358 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
360 struct parse_events_evlist *data = _data;
361 struct list_head *list;
364 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
365 (void *) $2, $4, 0));
369 PE_PREFIX_MEM PE_VALUE sep_dc
371 struct parse_events_evlist *data = _data;
372 struct list_head *list;
375 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
376 (void *) $2, NULL, 0));
380 event_legacy_tracepoint:
383 struct parse_events_evlist *data = _data;
384 struct parse_events_error *error = data->error;
385 struct list_head *list;
389 error->idx = @1.first_column;
391 if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
398 tracepoint_name '/' event_config '/'
400 struct parse_events_evlist *data = _data;
401 struct parse_events_error *error = data->error;
402 struct list_head *list;
406 error->idx = @1.first_column;
408 if (parse_events_add_tracepoint(list, &data->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
438 struct parse_events_evlist *data = _data;
439 struct list_head *list;
442 ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, NULL));
449 struct parse_events_evlist *data = _data;
450 struct list_head *list;
453 ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, NULL));
460 struct parse_events_evlist *data = _data;
461 struct parse_events_error *error = data->error;
462 struct list_head *list;
465 ABORT_ON(parse_events_load_bpf(data, list, $1, false));
471 struct parse_events_evlist *data = _data;
472 struct list_head *list;
475 ABORT_ON(parse_events_load_bpf(data, list, $1, true));
479 start_terms: event_config
481 struct parse_events_terms *data = _data;
486 event_config ',' event_term
488 struct list_head *head = $1;
489 struct parse_events_term *term = $3;
492 list_add_tail(&term->list, head);
498 struct list_head *head = malloc(sizeof(*head));
499 struct parse_events_term *term = $1;
502 INIT_LIST_HEAD(head);
503 list_add_tail(&term->list, head);
510 struct parse_events_term *term;
512 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
519 struct parse_events_term *term;
521 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
526 PE_NAME '=' PE_VALUE_SYM_HW
528 struct parse_events_term *term;
529 int config = $3 & 255;
531 ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
537 struct parse_events_term *term;
539 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
546 struct parse_events_term *term;
547 int config = $1 & 255;
549 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
555 struct parse_events_term *term;
557 ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
563 struct parse_events_term *term;
565 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
571 struct parse_events_term *term;
573 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
579 sep_slash_dc: '/' | ':' |
583 void parse_events_error(YYLTYPE *loc, void *data,
584 void *scanner __maybe_unused,
585 char const *msg __maybe_unused)
587 parse_events_evlist_error(data, loc->last_column, "parser error");