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
51 %token PE_DRV_CFG_TERM
53 %type <num> PE_VALUE_SYM_HW
54 %type <num> PE_VALUE_SYM_SW
58 %type <str> PE_BPF_OBJECT
59 %type <str> PE_BPF_SOURCE
60 %type <str> PE_NAME_CACHE_TYPE
61 %type <str> PE_NAME_CACHE_OP_RESULT
62 %type <str> PE_MODIFIER_EVENT
63 %type <str> PE_MODIFIER_BP
64 %type <str> PE_EVENT_NAME
65 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
66 %type <str> PE_DRV_CFG_TERM
68 %type <head> event_config
69 %type <term> event_term
70 %type <head> event_pmu
71 %type <head> event_legacy_symbol
72 %type <head> event_legacy_cache
73 %type <head> event_legacy_mem
74 %type <head> event_legacy_tracepoint
75 %type <tracepoint_name> tracepoint_name
76 %type <head> event_legacy_numeric
77 %type <head> event_legacy_raw
78 %type <head> event_bpf_file
79 %type <head> event_def
80 %type <head> event_mod
81 %type <head> event_name
84 %type <head> group_def
92 struct list_head *head;
93 struct parse_events_term *term;
94 struct tracepoint_name {
102 PE_START_EVENTS start_events
104 PE_START_TERMS start_terms
108 struct parse_events_evlist *data = _data;
110 parse_events_update_lists($1, &data->list);
116 struct list_head *list = $1;
117 struct list_head *group = $3;
119 parse_events_update_lists(group, list);
125 struct list_head *list = $1;
126 struct list_head *event = $3;
128 parse_events_update_lists(event, list);
137 group_def ':' PE_MODIFIER_EVENT
139 struct list_head *list = $1;
141 ABORT_ON(parse_events__modifier_group(list, $3));
148 PE_NAME '{' events '}'
150 struct list_head *list = $3;
152 inc_group_count(list, _data);
153 parse_events__set_leader($1, list);
159 struct list_head *list = $2;
161 inc_group_count(list, _data);
162 parse_events__set_leader(NULL, list);
169 struct list_head *event = $3;
170 struct list_head *list = $1;
172 parse_events_update_lists(event, list);
181 event_name PE_MODIFIER_EVENT
183 struct list_head *list = $1;
186 * Apply modifier on all events added by single event definition
187 * (there could be more events added for multiple tracepoint
188 * definitions via '*?'.
190 ABORT_ON(parse_events__modifier_event(list, $2, false));
197 PE_EVENT_NAME event_def
199 ABORT_ON(parse_events_name($2, $1));
206 event_def: event_pmu |
207 event_legacy_symbol |
208 event_legacy_cache sep_dc |
210 event_legacy_tracepoint sep_dc |
211 event_legacy_numeric sep_dc |
212 event_legacy_raw sep_dc |
216 PE_NAME '/' event_config '/'
218 struct parse_events_evlist *data = _data;
219 struct list_head *list;
222 ABORT_ON(parse_events_add_pmu(data, list, $1, $3));
223 parse_events__free_terms($3);
229 struct parse_events_evlist *data = _data;
230 struct list_head *list;
233 ABORT_ON(parse_events_add_pmu(data, list, $1, NULL));
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;
245 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
247 list_add_tail(&term->list, head);
250 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
251 parse_events__free_terms(head);
255 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
257 struct parse_events_evlist *data = _data;
258 struct list_head *head;
259 struct parse_events_term *term;
260 struct list_head *list;
262 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
265 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
266 &pmu_name, 1, &@1, NULL));
267 list_add_tail(&term->list, head);
270 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
271 parse_events__free_terms(head);
281 value_sym '/' event_config '/'
283 struct parse_events_evlist *data = _data;
284 struct list_head *list;
286 int config = $1 & 255;
289 ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
290 parse_events__free_terms($3);
294 value_sym sep_slash_dc
296 struct parse_events_evlist *data = _data;
297 struct list_head *list;
299 int config = $1 & 255;
302 ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
307 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
309 struct parse_events_evlist *data = _data;
310 struct list_head *list;
313 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5));
317 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
319 struct parse_events_evlist *data = _data;
320 struct list_head *list;
323 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL));
329 struct parse_events_evlist *data = _data;
330 struct list_head *list;
333 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL));
338 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
340 struct parse_events_evlist *data = _data;
341 struct list_head *list;
344 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
345 (void *) $2, $6, $4));
349 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
351 struct parse_events_evlist *data = _data;
352 struct list_head *list;
355 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
356 (void *) $2, NULL, $4));
360 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
362 struct parse_events_evlist *data = _data;
363 struct list_head *list;
366 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
367 (void *) $2, $4, 0));
371 PE_PREFIX_MEM PE_VALUE sep_dc
373 struct parse_events_evlist *data = _data;
374 struct list_head *list;
377 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
378 (void *) $2, NULL, 0));
382 event_legacy_tracepoint:
385 struct parse_events_evlist *data = _data;
386 struct parse_events_error *error = data->error;
387 struct list_head *list;
391 error->idx = @1.first_column;
393 if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
400 tracepoint_name '/' event_config '/'
402 struct parse_events_evlist *data = _data;
403 struct parse_events_error *error = data->error;
404 struct list_head *list;
408 error->idx = @1.first_column;
410 if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
418 PE_NAME '-' PE_NAME ':' PE_NAME
421 struct tracepoint_name tracepoint;
423 snprintf(&sys_name, 128, "%s-%s", $1, $3);
424 tracepoint.sys = &sys_name;
425 tracepoint.event = $5;
432 struct tracepoint_name tracepoint = {$1, $3};
437 event_legacy_numeric:
438 PE_VALUE ':' PE_VALUE
440 struct parse_events_evlist *data = _data;
441 struct list_head *list;
444 ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, NULL));
451 struct parse_events_evlist *data = _data;
452 struct list_head *list;
455 ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, NULL));
462 struct parse_events_evlist *data = _data;
463 struct parse_events_error *error = data->error;
464 struct list_head *list;
467 ABORT_ON(parse_events_load_bpf(data, list, $1, false));
473 struct parse_events_evlist *data = _data;
474 struct list_head *list;
477 ABORT_ON(parse_events_load_bpf(data, list, $1, true));
481 start_terms: event_config
483 struct parse_events_terms *data = _data;
488 event_config ',' event_term
490 struct list_head *head = $1;
491 struct parse_events_term *term = $3;
494 list_add_tail(&term->list, head);
500 struct list_head *head = malloc(sizeof(*head));
501 struct parse_events_term *term = $1;
504 INIT_LIST_HEAD(head);
505 list_add_tail(&term->list, head);
512 struct parse_events_term *term;
514 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
521 struct parse_events_term *term;
523 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
528 PE_NAME '=' PE_VALUE_SYM_HW
530 struct parse_events_term *term;
531 int config = $3 & 255;
533 ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
539 struct parse_events_term *term;
541 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
548 struct parse_events_term *term;
549 int config = $1 & 255;
551 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
557 struct parse_events_term *term;
559 ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
565 struct parse_events_term *term;
567 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
573 struct parse_events_term *term;
575 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
581 struct parse_events_term *term;
583 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
590 sep_slash_dc: '/' | ':' |
594 void parse_events_error(YYLTYPE *loc, void *data,
595 void *scanner __maybe_unused,
596 char const *msg __maybe_unused)
598 parse_events_evlist_error(data, loc->last_column, "parser error");