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 #define ABORT_ON(val) \
26 #define ALLOC_LIST(list) \
28 list = malloc(sizeof(*list)); \
30 INIT_LIST_HEAD(list); \
33 static void inc_group_count(struct list_head *list,
34 struct parse_events_evlist *data)
36 /* Count groups only have more than 1 members */
37 if (!list_is_last(list->next, list))
43 %token PE_START_EVENTS PE_START_TERMS
44 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
47 %token PE_BPF_OBJECT PE_BPF_SOURCE
48 %token PE_MODIFIER_EVENT PE_MODIFIER_BP
49 %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
50 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
52 %token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
53 %token PE_ARRAY_ALL PE_ARRAY_RANGE
54 %token PE_DRV_CFG_TERM
56 %type <num> PE_VALUE_SYM_HW
57 %type <num> PE_VALUE_SYM_SW
61 %type <str> PE_BPF_OBJECT
62 %type <str> PE_BPF_SOURCE
63 %type <str> PE_NAME_CACHE_TYPE
64 %type <str> PE_NAME_CACHE_OP_RESULT
65 %type <str> PE_MODIFIER_EVENT
66 %type <str> PE_MODIFIER_BP
67 %type <str> PE_EVENT_NAME
68 %type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
69 %type <str> PE_DRV_CFG_TERM
71 %type <head> event_config
72 %type <head> opt_event_config
73 %type <term> event_term
74 %type <head> event_pmu
75 %type <head> event_legacy_symbol
76 %type <head> event_legacy_cache
77 %type <head> event_legacy_mem
78 %type <head> event_legacy_tracepoint
79 %type <tracepoint_name> tracepoint_name
80 %type <head> event_legacy_numeric
81 %type <head> event_legacy_raw
82 %type <head> event_bpf_file
83 %type <head> event_def
84 %type <head> event_mod
85 %type <head> event_name
88 %type <head> group_def
92 %type <array> array_term
93 %type <array> array_terms
99 struct list_head *head;
100 struct parse_events_term *term;
101 struct tracepoint_name {
105 struct parse_events_array array;
110 PE_START_EVENTS start_events
112 PE_START_TERMS start_terms
116 struct parse_events_evlist *data = _data;
118 parse_events_update_lists($1, &data->list);
124 struct list_head *list = $1;
125 struct list_head *group = $3;
127 parse_events_update_lists(group, list);
133 struct list_head *list = $1;
134 struct list_head *event = $3;
136 parse_events_update_lists(event, list);
145 group_def ':' PE_MODIFIER_EVENT
147 struct list_head *list = $1;
149 ABORT_ON(parse_events__modifier_group(list, $3));
156 PE_NAME '{' events '}'
158 struct list_head *list = $3;
160 inc_group_count(list, _data);
161 parse_events__set_leader($1, list);
167 struct list_head *list = $2;
169 inc_group_count(list, _data);
170 parse_events__set_leader(NULL, list);
177 struct list_head *event = $3;
178 struct list_head *list = $1;
180 parse_events_update_lists(event, list);
189 event_name PE_MODIFIER_EVENT
191 struct list_head *list = $1;
194 * Apply modifier on all events added by single event definition
195 * (there could be more events added for multiple tracepoint
196 * definitions via '*?'.
198 ABORT_ON(parse_events__modifier_event(list, $2, false));
205 PE_EVENT_NAME event_def
207 ABORT_ON(parse_events_name($2, $1));
214 event_def: event_pmu |
215 event_legacy_symbol |
216 event_legacy_cache sep_dc |
218 event_legacy_tracepoint sep_dc |
219 event_legacy_numeric sep_dc |
220 event_legacy_raw sep_dc |
224 PE_NAME opt_event_config
226 struct parse_events_evlist *data = _data;
227 struct list_head *list;
230 ABORT_ON(parse_events_add_pmu(data, list, $1, $2));
231 parse_events_terms__delete($2);
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;
241 struct perf_pmu *pmu = NULL;
244 /* Add it for all PMUs that support the alias */
246 while ((pmu = perf_pmu__scan(pmu)) != NULL) {
247 struct perf_pmu_alias *alias;
249 list_for_each_entry(alias, &pmu->aliases, list) {
250 if (!strcasecmp(alias->name, $1)) {
252 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
254 list_add_tail(&term->list, head);
256 if (!parse_events_add_pmu(data, list,
258 pr_debug("%s -> %s/%s/\n", $1,
259 pmu->name, alias->str);
263 parse_events_terms__delete(head);
272 PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
274 struct parse_events_evlist *data = _data;
275 struct list_head *head;
276 struct parse_events_term *term;
277 struct list_head *list;
279 snprintf(&pmu_name, 128, "%s-%s", $1, $3);
282 ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
283 &pmu_name, 1, &@1, NULL));
284 list_add_tail(&term->list, head);
287 ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
288 parse_events_terms__delete(head);
298 value_sym '/' event_config '/'
300 struct parse_events_evlist *data = _data;
301 struct list_head *list;
303 int config = $1 & 255;
306 ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
307 parse_events_terms__delete($3);
311 value_sym sep_slash_dc
313 struct parse_events_evlist *data = _data;
314 struct list_head *list;
316 int config = $1 & 255;
319 ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
324 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
326 struct parse_events_evlist *data = _data;
327 struct parse_events_error *error = data->error;
328 struct list_head *list;
331 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5, error, $6));
332 parse_events_terms__delete($6);
336 PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
338 struct parse_events_evlist *data = _data;
339 struct parse_events_error *error = data->error;
340 struct list_head *list;
343 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL, error, $4));
344 parse_events_terms__delete($4);
348 PE_NAME_CACHE_TYPE opt_event_config
350 struct parse_events_evlist *data = _data;
351 struct parse_events_error *error = data->error;
352 struct list_head *list;
355 ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL, error, $2));
356 parse_events_terms__delete($2);
361 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
363 struct parse_events_evlist *data = _data;
364 struct list_head *list;
367 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
368 (void *) $2, $6, $4));
372 PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
374 struct parse_events_evlist *data = _data;
375 struct list_head *list;
378 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
379 (void *) $2, NULL, $4));
383 PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
385 struct parse_events_evlist *data = _data;
386 struct list_head *list;
389 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
390 (void *) $2, $4, 0));
394 PE_PREFIX_MEM PE_VALUE sep_dc
396 struct parse_events_evlist *data = _data;
397 struct list_head *list;
400 ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
401 (void *) $2, NULL, 0));
405 event_legacy_tracepoint:
406 tracepoint_name opt_event_config
408 struct parse_events_evlist *data = _data;
409 struct parse_events_error *error = data->error;
410 struct list_head *list;
414 error->idx = @1.first_column;
416 if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
424 PE_NAME '-' PE_NAME ':' PE_NAME
427 struct tracepoint_name tracepoint;
429 snprintf(&sys_name, 128, "%s-%s", $1, $3);
430 tracepoint.sys = &sys_name;
431 tracepoint.event = $5;
438 struct tracepoint_name tracepoint = {$1, $3};
443 event_legacy_numeric:
444 PE_VALUE ':' PE_VALUE opt_event_config
446 struct parse_events_evlist *data = _data;
447 struct list_head *list;
450 ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, $4));
451 parse_events_terms__delete($4);
456 PE_RAW opt_event_config
458 struct parse_events_evlist *data = _data;
459 struct list_head *list;
462 ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, $2));
463 parse_events_terms__delete($2);
468 PE_BPF_OBJECT opt_event_config
470 struct parse_events_evlist *data = _data;
471 struct parse_events_error *error = data->error;
472 struct list_head *list;
475 ABORT_ON(parse_events_load_bpf(data, list, $1, false, $2));
476 parse_events_terms__delete($2);
480 PE_BPF_SOURCE opt_event_config
482 struct parse_events_evlist *data = _data;
483 struct list_head *list;
486 ABORT_ON(parse_events_load_bpf(data, list, $1, true, $2));
487 parse_events_terms__delete($2);
506 start_terms: event_config
508 struct parse_events_terms *data = _data;
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,
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,
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, &@1, &@3));
598 struct parse_events_term *term;
600 ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@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,
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 *data,
700 void *scanner __maybe_unused,
701 char const *msg __maybe_unused)
703 parse_events_evlist_error(data, loc->last_column, "parser error");