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 void 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_ARRAY_ALL PE_ARRAY_RANGE
52 %token PE_DRV_CFG_TERM
54 %type <num> PE_VALUE_SYM_HW
55 %type <num> PE_VALUE_SYM_SW
59 %type <str> PE_BPF_OBJECT
60 %type <str> PE_BPF_SOURCE
61 %type <str> PE_NAME_CACHE_TYPE
62 %type <str> PE_NAME_CACHE_OP_RESULT
63 %type <str> PE_MODIFIER_EVENT
64 %type <str> PE_MODIFIER_BP
65 %type <str> PE_EVENT_NAME
66 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
67 %type <str> PE_DRV_CFG_TERM
69 %type <head> event_config
70 %type <head> opt_event_config
71 %type <term> event_term
72 %type <head> event_pmu
73 %type <head> event_legacy_symbol
74 %type <head> event_legacy_cache
75 %type <head> event_legacy_mem
76 %type <head> event_legacy_tracepoint
77 %type <tracepoint_name> tracepoint_name
78 %type <head> event_legacy_numeric
79 %type <head> event_legacy_raw
80 %type <head> event_bpf_file
81 %type <head> event_def
82 %type <head> event_mod
83 %type <head> event_name
86 %type <head> group_def
90 %type <array> array_term
91 %type <array> array_terms
97 struct list_head *head;
98 struct parse_events_term *term;
99 struct tracepoint_name {
103 struct parse_events_array array;
108 PE_START_EVENTS start_events
110 PE_START_TERMS start_terms
114 struct parse_events_evlist *data = _data;
116 parse_events_update_lists($1, &data->list);
122 struct list_head *list = $1;
123 struct list_head *group = $3;
125 parse_events_update_lists(group, list);
131 struct list_head *list = $1;
132 struct list_head *event = $3;
134 parse_events_update_lists(event, list);
143 group_def ':' PE_MODIFIER_EVENT
145 struct list_head *list = $1;
147 ABORT_ON(parse_events__modifier_group(list, $3));
154 PE_NAME '{' events '}'
156 struct list_head *list = $3;
158 inc_group_count(list, _data);
159 parse_events__set_leader($1, list);
165 struct list_head *list = $2;
167 inc_group_count(list, _data);
168 parse_events__set_leader(NULL, list);
175 struct list_head *event = $3;
176 struct list_head *list = $1;
178 parse_events_update_lists(event, list);
187 event_name PE_MODIFIER_EVENT
189 struct list_head *list = $1;
192 * Apply modifier on all events added by single event definition
193 * (there could be more events added for multiple tracepoint
194 * definitions via '*?'.
196 ABORT_ON(parse_events__modifier_event(list, $2, false));
203 PE_EVENT_NAME event_def
205 ABORT_ON(parse_events_name($2, $1));
212 event_def: event_pmu |
213 event_legacy_symbol |
214 event_legacy_cache sep_dc |
216 event_legacy_tracepoint sep_dc |
217 event_legacy_numeric sep_dc |
218 event_legacy_raw sep_dc |
222 PE_NAME opt_event_config
224 struct parse_events_evlist *data = _data;
225 struct list_head *list;
228 ABORT_ON(parse_events_add_pmu(data, list, $1, $2));
229 parse_events_terms__delete($2);
233 PE_KERNEL_PMU_EVENT sep_dc
235 struct parse_events_evlist *data = _data;
236 struct list_head *head;
237 struct parse_events_term *term;
238 struct list_head *list;
241 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
243 list_add_tail(&term->list, head);
246 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
247 parse_events_terms__delete(head);
251 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
253 struct parse_events_evlist *data = _data;
254 struct list_head *head;
255 struct parse_events_term *term;
256 struct list_head *list;
258 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
261 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
262 &pmu_name, 1, &@1, NULL));
263 list_add_tail(&term->list, head);
266 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
267 parse_events_terms__delete(head);
277 value_sym '/' event_config '/'
279 struct parse_events_evlist *data = _data;
280 struct list_head *list;
282 int config = $1 & 255;
285 ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
286 parse_events_terms__delete($3);
290 value_sym sep_slash_dc
292 struct parse_events_evlist *data = _data;
293 struct list_head *list;
295 int config = $1 & 255;
298 ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
303 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
305 struct parse_events_evlist *data = _data;
306 struct parse_events_error *error = data->error;
307 struct list_head *list;
310 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5, error, $6));
311 parse_events_terms__delete($6);
315 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
317 struct parse_events_evlist *data = _data;
318 struct parse_events_error *error = data->error;
319 struct list_head *list;
322 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL, error, $4));
323 parse_events_terms__delete($4);
327 PE_NAME_CACHE_TYPE opt_event_config
329 struct parse_events_evlist *data = _data;
330 struct parse_events_error *error = data->error;
331 struct list_head *list;
334 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL, error, $2));
335 parse_events_terms__delete($2);
340 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
342 struct parse_events_evlist *data = _data;
343 struct list_head *list;
346 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
347 (void *) $2, $6, $4));
351 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
353 struct parse_events_evlist *data = _data;
354 struct list_head *list;
357 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
358 (void *) $2, NULL, $4));
362 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
364 struct parse_events_evlist *data = _data;
365 struct list_head *list;
368 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
369 (void *) $2, $4, 0));
373 PE_PREFIX_MEM PE_VALUE sep_dc
375 struct parse_events_evlist *data = _data;
376 struct list_head *list;
379 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
380 (void *) $2, NULL, 0));
384 event_legacy_tracepoint:
385 tracepoint_name opt_event_config
387 struct parse_events_evlist *data = _data;
388 struct parse_events_error *error = data->error;
389 struct list_head *list;
393 error->idx = @1.first_column;
395 if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
403 PE_NAME '-' PE_NAME ':' PE_NAME
406 struct tracepoint_name tracepoint;
408 snprintf(&sys_name, 128, "%s-%s", $1, $3);
409 tracepoint.sys = &sys_name;
410 tracepoint.event = $5;
417 struct tracepoint_name tracepoint = {$1, $3};
422 event_legacy_numeric:
423 PE_VALUE ':' PE_VALUE opt_event_config
425 struct parse_events_evlist *data = _data;
426 struct list_head *list;
429 ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, $4));
430 parse_events_terms__delete($4);
435 PE_RAW opt_event_config
437 struct parse_events_evlist *data = _data;
438 struct list_head *list;
441 ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, $2));
442 parse_events_terms__delete($2);
447 PE_BPF_OBJECT opt_event_config
449 struct parse_events_evlist *data = _data;
450 struct parse_events_error *error = data->error;
451 struct list_head *list;
454 ABORT_ON(parse_events_load_bpf(data, list, $1, false, $2));
455 parse_events_terms__delete($2);
459 PE_BPF_SOURCE opt_event_config
461 struct parse_events_evlist *data = _data;
462 struct list_head *list;
465 ABORT_ON(parse_events_load_bpf(data, list, $1, true, $2));
466 parse_events_terms__delete($2);
485 start_terms: event_config
487 struct parse_events_terms *data = _data;
492 event_config ',' event_term
494 struct list_head *head = $1;
495 struct parse_events_term *term = $3;
498 list_add_tail(&term->list, head);
504 struct list_head *head = malloc(sizeof(*head));
505 struct parse_events_term *term = $1;
508 INIT_LIST_HEAD(head);
509 list_add_tail(&term->list, head);
516 struct parse_events_term *term;
518 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
525 struct parse_events_term *term;
527 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
532 PE_NAME '=' PE_VALUE_SYM_HW
534 struct parse_events_term *term;
535 int config = $3 & 255;
537 ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
543 struct parse_events_term *term;
545 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
552 struct parse_events_term *term;
553 int config = $1 & 255;
555 ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
561 struct parse_events_term *term;
563 ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
569 struct parse_events_term *term;
571 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
577 struct parse_events_term *term;
579 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
583 PE_NAME array '=' PE_NAME
585 struct parse_events_term *term;
588 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
595 PE_NAME array '=' PE_VALUE
597 struct parse_events_term *term;
599 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
607 struct parse_events_term *term;
609 ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
627 array_terms ',' array_term
629 struct parse_events_array new_array;
631 new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
632 new_array.ranges = malloc(sizeof(new_array.ranges[0]) *
633 new_array.nr_ranges);
634 ABORT_ON(!new_array.ranges);
635 memcpy(&new_array.ranges[0], $1.ranges,
636 $1.nr_ranges * sizeof(new_array.ranges[0]));
637 memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
638 $3.nr_ranges * sizeof(new_array.ranges[0]));
649 struct parse_events_array array;
652 array.ranges = malloc(sizeof(array.ranges[0]));
653 ABORT_ON(!array.ranges);
654 array.ranges[0].start = $1;
655 array.ranges[0].length = 1;
659 PE_VALUE PE_ARRAY_RANGE PE_VALUE
661 struct parse_events_array array;
665 array.ranges = malloc(sizeof(array.ranges[0]));
666 ABORT_ON(!array.ranges);
667 array.ranges[0].start = $1;
668 array.ranges[0].length = $3 - $1 + 1;
674 sep_slash_dc: '/' | ':' |
678 void parse_events_error(YYLTYPE *loc, void *data,
679 void *scanner __maybe_unused,
680 char const *msg __maybe_unused)
682 parse_events_evlist_error(data, loc->last_column, "parser error");