[mirror_ubuntu-bionic-kernel.git] / tools / perf / util / parse-events.y

%pure-parser
%parse-param {void *_data}
%parse-param {void *scanner}
%lex-param {void* scanner}
%locations

%{

#define YYDEBUG 1

#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/types.h>
#include "util.h"
#include "pmu.h"
#include "debug.h"
#include "parse-events.h"
#include "parse-events-bison.h"

#define ABORT_ON(val) \
do { \
	if (val) \
		YYABORT; \
} while (0)

#define ALLOC_LIST(list) \
do { \
	list = malloc(sizeof(*list)); \
	ABORT_ON(!list);              \
	INIT_LIST_HEAD(list);         \
} while (0)

static void inc_group_count(struct list_head *list,
		       struct parse_events_evlist *data)
{
	/* Count groups only have more than 1 members */
	if (!list_is_last(list->next, list))
		data->nr_groups++;
}

%}

%token PE_START_EVENTS PE_START_TERMS
%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
%token PE_EVENT_NAME
%token PE_NAME
%token PE_BPF_OBJECT PE_BPF_SOURCE
%token PE_MODIFIER_EVENT PE_MODIFIER_BP
%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
%token PE_ERROR
%token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
%token PE_ARRAY_ALL PE_ARRAY_RANGE
%token PE_DRV_CFG_TERM
%type <num> PE_VALUE
%type <num> PE_VALUE_SYM_HW
%type <num> PE_VALUE_SYM_SW
%type <num> PE_RAW
%type <num> PE_TERM
%type <str> PE_NAME
%type <str> PE_BPF_OBJECT
%type <str> PE_BPF_SOURCE
%type <str> PE_NAME_CACHE_TYPE
%type <str> PE_NAME_CACHE_OP_RESULT
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
%type <str> PE_EVENT_NAME
%type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
%type <str> PE_DRV_CFG_TERM
%type <num> value_sym
%type <head> event_config
%type <head> opt_event_config
%type <term> event_term
%type <head> event_pmu
%type <head> event_legacy_symbol
%type <head> event_legacy_cache
%type <head> event_legacy_mem
%type <head> event_legacy_tracepoint
%type <tracepoint_name> tracepoint_name
%type <head> event_legacy_numeric
%type <head> event_legacy_raw
%type <head> event_bpf_file
%type <head> event_def
%type <head> event_mod
%type <head> event_name
%type <head> event
%type <head> events
%type <head> group_def
%type <head> group
%type <head> groups
%type <array> array
%type <array> array_term
%type <array> array_terms

%union
{
	char *str;
	u64 num;
	struct list_head *head;
	struct parse_events_term *term;
	struct tracepoint_name {
		char *sys;
		char *event;
	} tracepoint_name;
	struct parse_events_array array;
}
%%

start:
PE_START_EVENTS start_events
|
PE_START_TERMS  start_terms

start_events: groups
{
	struct parse_events_evlist *data = _data;

	parse_events_update_lists($1, &data->list);
}

groups:
groups ',' group
{
	struct list_head *list  = $1;
	struct list_head *group = $3;

	parse_events_update_lists(group, list);
	$$ = list;
}
|
groups ',' event
{
	struct list_head *list  = $1;
	struct list_head *event = $3;

	parse_events_update_lists(event, list);
	$$ = list;
}
|
group
|
event

group:
group_def ':' PE_MODIFIER_EVENT
{
	struct list_head *list = $1;

	ABORT_ON(parse_events__modifier_group(list, $3));
	$$ = list;
}
|
group_def

group_def:
PE_NAME '{' events '}'
{
	struct list_head *list = $3;

	inc_group_count(list, _data);
	parse_events__set_leader($1, list);
	$$ = list;
}
|
'{' events '}'
{
	struct list_head *list = $2;

	inc_group_count(list, _data);
	parse_events__set_leader(NULL, list);
	$$ = list;
}

events:
events ',' event
{
	struct list_head *event = $3;
	struct list_head *list  = $1;

	parse_events_update_lists(event, list);
	$$ = list;
}
|
event

event: event_mod

event_mod:
event_name PE_MODIFIER_EVENT
{
	struct list_head *list = $1;

	/*
	 * Apply modifier on all events added by single event definition
	 * (there could be more events added for multiple tracepoint
	 * definitions via '*?'.
	 */
	ABORT_ON(parse_events__modifier_event(list, $2, false));
	$$ = list;
}
|
event_name

event_name:
PE_EVENT_NAME event_def
{
	ABORT_ON(parse_events_name($2, $1));
	free($1);
	$$ = $2;
}
|
event_def

event_def: event_pmu |
	   event_legacy_symbol |
	   event_legacy_cache sep_dc |
	   event_legacy_mem |
	   event_legacy_tracepoint sep_dc |
	   event_legacy_numeric sep_dc |
	   event_legacy_raw sep_dc |
	   event_bpf_file

event_pmu:
PE_NAME opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_pmu(data, list, $1, $2));
	parse_events_terms__delete($2);
	$$ = list;
}
|
PE_KERNEL_PMU_EVENT sep_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *head;
	struct parse_events_term *term;
	struct list_head *list;
	struct perf_pmu *pmu = NULL;
	int ok = 0;

	/* Add it for all PMUs that support the alias */
	ALLOC_LIST(list);
	while ((pmu = perf_pmu__scan(pmu)) != NULL) {
		struct perf_pmu_alias *alias;

		list_for_each_entry(alias, &pmu->aliases, list) {
			if (!strcasecmp(alias->name, $1)) {
				ALLOC_LIST(head);
				ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, 1, &@1, NULL));
				list_add_tail(&term->list, head);

				if (!parse_events_add_pmu(data, list,
						  pmu->name, head)) {
					pr_debug("%s -> %s/%s/\n", $1,
						 pmu->name, alias->str);
					ok++;
				}

				parse_events_terms__delete(head);
			}
		}
	}
	if (!ok)
		YYABORT;
	$$ = list;
}
|
PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *head;
	struct parse_events_term *term;
	struct list_head *list;
	char pmu_name[128];
	snprintf(&pmu_name, 128, "%s-%s", $1, $3);

	ALLOC_LIST(head);
	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					&pmu_name, 1, &@1, NULL));
	list_add_tail(&term->list, head);

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
	parse_events_terms__delete(head);
	$$ = list;
}

value_sym:
PE_VALUE_SYM_HW
|
PE_VALUE_SYM_SW

event_legacy_symbol:
value_sym '/' event_config '/'
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;
	int type = $1 >> 16;
	int config = $1 & 255;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
	parse_events_terms__delete($3);
	$$ = list;
}
|
value_sym sep_slash_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;
	int type = $1 >> 16;
	int config = $1 & 255;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
	$$ = list;
}

event_legacy_cache:
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct parse_events_error *error = data->error;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5, error, $6));
	parse_events_terms__delete($6);
	$$ = list;
}
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct parse_events_error *error = data->error;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL, error, $4));
	parse_events_terms__delete($4);
	$$ = list;
}
|
PE_NAME_CACHE_TYPE opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct parse_events_error *error = data->error;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL, error, $2));
	parse_events_terms__delete($2);
	$$ = list;
}

event_legacy_mem:
PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
					     (void *) $2, $6, $4));
	$$ = list;
}
|
PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
					     (void *) $2, NULL, $4));
	$$ = list;
}
|
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
					     (void *) $2, $4, 0));
	$$ = list;
}
|
PE_PREFIX_MEM PE_VALUE sep_dc
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
					     (void *) $2, NULL, 0));
	$$ = list;
}

event_legacy_tracepoint:
tracepoint_name opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct parse_events_error *error = data->error;
	struct list_head *list;

	ALLOC_LIST(list);
	if (error)
		error->idx = @1.first_column;

	if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
					error, $2))
		return -1;

	$$ = list;
}

tracepoint_name:
PE_NAME '-' PE_NAME ':' PE_NAME
{
	char sys_name[128];
	struct tracepoint_name tracepoint;

	snprintf(&sys_name, 128, "%s-%s", $1, $3);
	tracepoint.sys = &sys_name;
	tracepoint.event = $5;

	$$ = tracepoint;
}
|
PE_NAME ':' PE_NAME
{
	struct tracepoint_name tracepoint = {$1, $3};

	$$ = tracepoint;
}

event_legacy_numeric:
PE_VALUE ':' PE_VALUE opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, $4));
	parse_events_terms__delete($4);
	$$ = list;
}

event_legacy_raw:
PE_RAW opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, $2));
	parse_events_terms__delete($2);
	$$ = list;
}

event_bpf_file:
PE_BPF_OBJECT opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct parse_events_error *error = data->error;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_load_bpf(data, list, $1, false, $2));
	parse_events_terms__delete($2);
	$$ = list;
}
|
PE_BPF_SOURCE opt_event_config
{
	struct parse_events_evlist *data = _data;
	struct list_head *list;

	ALLOC_LIST(list);
	ABORT_ON(parse_events_load_bpf(data, list, $1, true, $2));
	parse_events_terms__delete($2);
	$$ = list;
}

opt_event_config:
'/' event_config '/'
{
	$$ = $2;
}
|
'/' '/'
{
	$$ = NULL;
}
|
{
	$$ = NULL;
}

start_terms: event_config
{
	struct parse_events_terms *data = _data;
	data->terms = $1;
}

event_config:
event_config ',' event_term
{
	struct list_head *head = $1;
	struct parse_events_term *term = $3;

	ABORT_ON(!head);
	list_add_tail(&term->list, head);
	$$ = $1;
}
|
event_term
{
	struct list_head *head = malloc(sizeof(*head));
	struct parse_events_term *term = $1;

	ABORT_ON(!head);
	INIT_LIST_HEAD(head);
	list_add_tail(&term->list, head);
	$$ = head;
}

event_term:
PE_NAME '=' PE_NAME
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, $3, &@1, &@3));
	$$ = term;
}
|
PE_NAME '=' PE_VALUE
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, $3, &@1, &@3));
	$$ = term;
}
|
PE_NAME '=' PE_VALUE_SYM_HW
{
	struct parse_events_term *term;
	int config = $3 & 255;

	ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
	$$ = term;
}
|
PE_NAME
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, 1, &@1, NULL));
	$$ = term;
}
|
PE_VALUE_SYM_HW
{
	struct parse_events_term *term;
	int config = $1 & 255;

	ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
	$$ = term;
}
|
PE_TERM '=' PE_NAME
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
	$$ = term;
}
|
PE_TERM '=' PE_VALUE
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
	$$ = term;
}
|
PE_TERM
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
	$$ = term;
}
|
PE_NAME array '=' PE_NAME
{
	struct parse_events_term *term;
	int i;

	ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, $4, &@1, &@4));

	term->array = $2;
	$$ = term;
}
|
PE_NAME array '=' PE_VALUE
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
					$1, $4, &@1, &@4));
	term->array = $2;
	$$ = term;
}
|
PE_DRV_CFG_TERM
{
	struct parse_events_term *term;

	ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
					$1, $1, &@1, NULL));
	$$ = term;
}

array:
'[' array_terms ']'
{
	$$ = $2;
}
|
PE_ARRAY_ALL
{
	$$.nr_ranges = 0;
	$$.ranges = NULL;
}

array_terms:
array_terms ',' array_term
{
	struct parse_events_array new_array;

	new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
	new_array.ranges = malloc(sizeof(new_array.ranges[0]) *
				  new_array.nr_ranges);
	ABORT_ON(!new_array.ranges);
	memcpy(&new_array.ranges[0], $1.ranges,
	       $1.nr_ranges * sizeof(new_array.ranges[0]));
	memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
	       $3.nr_ranges * sizeof(new_array.ranges[0]));
	free($1.ranges);
	free($3.ranges);
	$$ = new_array;
}
|
array_term

array_term:
PE_VALUE
{
	struct parse_events_array array;

	array.nr_ranges = 1;
	array.ranges = malloc(sizeof(array.ranges[0]));
	ABORT_ON(!array.ranges);
	array.ranges[0].start = $1;
	array.ranges[0].length = 1;
	$$ = array;
}
|
PE_VALUE PE_ARRAY_RANGE PE_VALUE
{
	struct parse_events_array array;

	ABORT_ON($3 < $1);
	array.nr_ranges = 1;
	array.ranges = malloc(sizeof(array.ranges[0]));
	ABORT_ON(!array.ranges);
	array.ranges[0].start = $1;
	array.ranges[0].length = $3 - $1 + 1;
	$$ = array;
}

sep_dc: ':' |

sep_slash_dc: '/' | ':' |

%%

void parse_events_error(YYLTYPE *loc, void *data,
			void *scanner __maybe_unused,
			char const *msg __maybe_unused)
{
	parse_events_evlist_error(data, loc->last_column, "parser error");
}
Commit	Line	Data
ac20de6f	1	%pure-parser
46010ab2	2	%parse-param {void *_data}
ac20de6f ZY	3	%parse-param {void *scanner}
ac20de6f ZY	4	%lex-param {void* scanner}
6297d423	5	%locations
89812fc8 JO	6
	7	%{
	8
	9	#define YYDEBUG 1
	10
	11	#include <linux/compiler.h>
	12	#include <linux/list.h>
d944c4ee	13	#include <linux/types.h>
89812fc8	14	#include "util.h"
231bb2aa	15	#include "pmu.h"
f2361024	16	#include "debug.h"
89812fc8	17	#include "parse-events.h"
ac20de6f	18	#include "parse-events-bison.h"
89812fc8	19
89812fc8 JO	20	#define ABORT_ON(val) \
	21	do { \
	22	if (val) \
	23	YYABORT; \
	24	} while (0)
	25
c5cd8ac0 DA	26	#define ALLOC_LIST(list) \
	27	do { \
	28	list = malloc(sizeof(*list)); \
	29	ABORT_ON(!list); \
	30	INIT_LIST_HEAD(list); \
	31	} while (0)
	32
07ef7574	33	static void inc_group_count(struct list_head *list,
97f63e4a NK	34	struct parse_events_evlist *data)
	35	{
	36	/* Count groups only have more than 1 members */
	37	if (!list_is_last(list->next, list))
	38	data->nr_groups++;
	39	}
	40
89812fc8 JO	41	%}
89812fc8 JO	42
90e2b22d	43	%token PE_START_EVENTS PE_START_TERMS
cf3506dc	44	%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
ac2ba9f3	45	%token PE_EVENT_NAME
89812fc8	46	%token PE_NAME
d509db04	47	%token PE_BPF_OBJECT PE_BPF_SOURCE
89812fc8 JO	48	%token PE_MODIFIER_EVENT PE_MODIFIER_BP
89812fc8 JO	49	%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
89efb029	50	%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
89812fc8	51	%token PE_ERROR
ba32a451	52	%token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
e571e029	53	%token PE_ARRAY_ALL PE_ARRAY_RANGE
dd60fba7	54	%token PE_DRV_CFG_TERM
89812fc8	55	%type <num> PE_VALUE
cf3506dc JO	56	%type <num> PE_VALUE_SYM_HW
cf3506dc JO	57	%type <num> PE_VALUE_SYM_SW
89812fc8	58	%type <num> PE_RAW
8f707d84	59	%type <num> PE_TERM
89812fc8	60	%type <str> PE_NAME
84c86ca1	61	%type <str> PE_BPF_OBJECT
d509db04	62	%type <str> PE_BPF_SOURCE
89812fc8 JO	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
ac2ba9f3	67	%type <str> PE_EVENT_NAME
ba32a451	68	%type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_KERNEL_PMU_EVENT
dd60fba7	69	%type <str> PE_DRV_CFG_TERM
cf3506dc	70	%type <num> value_sym
8f707d84	71	%type <head> event_config
1d55e8ef	72	%type <head> opt_event_config
8f707d84	73	%type <term> event_term
b847cbdc JO	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
865582c3	79	%type <tracepoint_name> tracepoint_name
b847cbdc JO	80	%type <head> event_legacy_numeric
b847cbdc JO	81	%type <head> event_legacy_raw
84c86ca1	82	%type <head> event_bpf_file
b847cbdc	83	%type <head> event_def
ac2ba9f3 RR	84	%type <head> event_mod
ac2ba9f3 RR	85	%type <head> event_name
89efb029 JO	86	%type <head> event
	87	%type <head> events
	88	%type <head> group_def
	89	%type <head> group
	90	%type <head> groups
e571e029 WN	91	%type <array> array
	92	%type <array> array_term
	93	%type <array> array_terms
89812fc8 JO	94
	95	%union
	96	{
	97	char *str;
b527bab5	98	u64 num;
8f707d84	99	struct list_head *head;
6cee6cd3	100	struct parse_events_term *term;
865582c3 HK	101	struct tracepoint_name {
	102	char *sys;
	103	char *event;
	104	} tracepoint_name;
e571e029	105	struct parse_events_array array;
89812fc8 JO	106	}
	107	%%
	108
90e2b22d	109	start:
89efb029	110	PE_START_EVENTS start_events
90e2b22d	111	\|
89efb029 JO	112	PE_START_TERMS start_terms
	113
	114	start_events: groups
	115	{
23b6339b	116	struct parse_events_evlist *data = _data;
89efb029 JO	117
	118	parse_events_update_lists($1, &data->list);
	119	}
	120
	121	groups:
	122	groups ',' group
	123	{
	124	struct list_head *list = $1;
	125	struct list_head *group = $3;
	126
	127	parse_events_update_lists(group, list);
	128	$$ = list;
	129	}
	130	\|
	131	groups ',' event
	132	{
	133	struct list_head *list = $1;
	134	struct list_head *event = $3;
	135
	136	parse_events_update_lists(event, list);
	137	$$ = list;
	138	}
	139	\|
	140	group
	141	\|
	142	event
	143
	144	group:
	145	group_def ':' PE_MODIFIER_EVENT
	146	{
	147	struct list_head *list = $1;
	148
	149	ABORT_ON(parse_events__modifier_group(list, $3));
	150	$$ = list;
	151	}
	152	\|
	153	group_def
	154
	155	group_def:
	156	PE_NAME '{' events '}'
	157	{
	158	struct list_head *list = $3;
	159
97f63e4a	160	inc_group_count(list, _data);
63dab225	161	parse_events__set_leader($1, list);
89efb029 JO	162	$$ = list;
	163	}
	164	\|
	165	'{' events '}'
	166	{
	167	struct list_head *list = $2;
	168
97f63e4a	169	inc_group_count(list, _data);
63dab225	170	parse_events__set_leader(NULL, list);
89efb029 JO	171	$$ = list;
89efb029 JO	172	}
90e2b22d	173
89812fc8	174	events:
89efb029 JO	175	events ',' event
	176	{
	177	struct list_head *event = $3;
	178	struct list_head *list = $1;
	179
	180	parse_events_update_lists(event, list);
	181	$$ = list;
	182	}
	183	\|
	184	event
89812fc8	185
ac2ba9f3 RR	186	event: event_mod
	187
	188	event_mod:
	189	event_name PE_MODIFIER_EVENT
89812fc8	190	{
89efb029	191	struct list_head *list = $1;
46010ab2	192
5d7be90e JO	193	/*
	194	* Apply modifier on all events added by single event definition
	195	* (there could be more events added for multiple tracepoint
	196	* definitions via '*?'.
	197	*/
f5b1135b	198	ABORT_ON(parse_events__modifier_event(list, $2, false));
89efb029	199	$$ = list;
89812fc8 JO	200	}
89812fc8 JO	201	\|
ac2ba9f3 RR	202	event_name
	203
	204	event_name:
	205	PE_EVENT_NAME event_def
	206	{
	207	ABORT_ON(parse_events_name($2, $1));
	208	free($1);
	209	$$ = $2;
	210	}
	211	\|
89812fc8 JO	212	event_def
89812fc8 JO	213
5f537a26 JO	214	event_def: event_pmu \|
5f537a26 JO	215	event_legacy_symbol \|
89812fc8 JO	216	event_legacy_cache sep_dc \|
	217	event_legacy_mem \|
	218	event_legacy_tracepoint sep_dc \|
	219	event_legacy_numeric sep_dc \|
84c86ca1 WN	220	event_legacy_raw sep_dc \|
84c86ca1 WN	221	event_bpf_file
89812fc8	222
5f537a26	223	event_pmu:
bb109acc	224	PE_NAME opt_event_config
5f537a26	225	{
23b6339b	226	struct parse_events_evlist *data = _data;
c5cd8ac0	227	struct list_head *list;
b847cbdc	228
c5cd8ac0	229	ALLOC_LIST(list);
bb109acc ACM	230	ABORT_ON(parse_events_add_pmu(data, list, $1, $2));
bb109acc ACM	231	parse_events_terms__delete($2);
b847cbdc	232	$$ = list;
5f537a26	233	}
ad962273	234	\|
ba32a451 KL	235	PE_KERNEL_PMU_EVENT sep_dc
	236	{
	237	struct parse_events_evlist *data = _data;
	238	struct list_head *head;
	239	struct parse_events_term *term;
	240	struct list_head *list;
231bb2aa AK	241	struct perf_pmu *pmu = NULL;
231bb2aa AK	242	int ok = 0;
ba32a451	243
231bb2aa	244	/* Add it for all PMUs that support the alias */
ba32a451	245	ALLOC_LIST(list);
231bb2aa AK	246	while ((pmu = perf_pmu__scan(pmu)) != NULL) {
	247	struct perf_pmu_alias *alias;
	248
	249	list_for_each_entry(alias, &pmu->aliases, list) {
	250	if (!strcasecmp(alias->name, $1)) {
	251	ALLOC_LIST(head);
	252	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
	253	$1, 1, &@1, NULL));
	254	list_add_tail(&term->list, head);
	255
	256	if (!parse_events_add_pmu(data, list,
	257	pmu->name, head)) {
f2361024 AK	258	pr_debug("%s -> %s/%s/\n", $1,
f2361024 AK	259	pmu->name, alias->str);
231bb2aa AK	260	ok++;
	261	}
	262
	263	parse_events_terms__delete(head);
	264	}
	265	}
	266	}
	267	if (!ok)
	268	YYABORT;
ba32a451 KL	269	$$ = list;
	270	}
	271	\|
	272	PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
	273	{
	274	struct parse_events_evlist *data = _data;
	275	struct list_head *head;
	276	struct parse_events_term *term;
	277	struct list_head *list;
	278	char pmu_name[128];
	279	snprintf(&pmu_name, 128, "%s-%s", $1, $3);
	280
	281	ALLOC_LIST(head);
	282	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
cecf3a2e	283	&pmu_name, 1, &@1, NULL));
ba32a451 KL	284	list_add_tail(&term->list, head);
	285
	286	ALLOC_LIST(list);
5ad4da43	287	ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
2146afc6	288	parse_events_terms__delete(head);
ba32a451 KL	289	$$ = list;
ba32a451 KL	290	}
5f537a26	291
cf3506dc JO	292	value_sym:
	293	PE_VALUE_SYM_HW
	294	\|
	295	PE_VALUE_SYM_SW
	296
89812fc8	297	event_legacy_symbol:
cf3506dc	298	value_sym '/' event_config '/'
89812fc8	299	{
23b6339b	300	struct parse_events_evlist *data = _data;
c5cd8ac0	301	struct list_head *list;
89812fc8 JO	302	int type = $1 >> 16;
	303	int config = $1 & 255;
	304
c5cd8ac0	305	ALLOC_LIST(list);
87d650be	306	ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
2146afc6	307	parse_events_terms__delete($3);
b847cbdc	308	$$ = list;
8f707d84 JO	309	}
8f707d84 JO	310	\|
cf3506dc	311	value_sym sep_slash_dc
8f707d84	312	{
23b6339b	313	struct parse_events_evlist *data = _data;
c5cd8ac0	314	struct list_head *list;
8f707d84 JO	315	int type = $1 >> 16;
	316	int config = $1 & 255;
	317
c5cd8ac0	318	ALLOC_LIST(list);
87d650be	319	ABORT_ON(parse_events_add_numeric(data, list, type, config, NULL));
b847cbdc	320	$$ = list;
89812fc8 JO	321	}
	322
	323	event_legacy_cache:
43d0b978	324	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config
89812fc8	325	{
23b6339b	326	struct parse_events_evlist *data = _data;
43d0b978	327	struct parse_events_error *error = data->error;
c5cd8ac0	328	struct list_head *list;
b847cbdc	329
c5cd8ac0	330	ALLOC_LIST(list);
43d0b978 WN	331	ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5, error, $6));
43d0b978 WN	332	parse_events_terms__delete($6);
b847cbdc	333	$$ = list;
89812fc8 JO	334	}
89812fc8 JO	335	\|
43d0b978	336	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
89812fc8	337	{
23b6339b	338	struct parse_events_evlist *data = _data;
43d0b978	339	struct parse_events_error *error = data->error;
c5cd8ac0	340	struct list_head *list;
b847cbdc	341
c5cd8ac0	342	ALLOC_LIST(list);
43d0b978 WN	343	ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL, error, $4));
43d0b978 WN	344	parse_events_terms__delete($4);
b847cbdc	345	$$ = list;
89812fc8 JO	346	}
89812fc8 JO	347	\|
43d0b978	348	PE_NAME_CACHE_TYPE opt_event_config
89812fc8	349	{
23b6339b	350	struct parse_events_evlist *data = _data;
43d0b978	351	struct parse_events_error *error = data->error;
c5cd8ac0	352	struct list_head *list;
b847cbdc	353
c5cd8ac0	354	ALLOC_LIST(list);
43d0b978 WN	355	ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL, error, $2));
43d0b978 WN	356	parse_events_terms__delete($2);
b847cbdc	357	$$ = list;
89812fc8 JO	358	}
	359
	360	event_legacy_mem:
3741eb9f JS	361	PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
	362	{
	363	struct parse_events_evlist *data = _data;
	364	struct list_head *list;
	365
	366	ALLOC_LIST(list);
	367	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
	368	(void *) $2, $6, $4));
	369	$$ = list;
	370	}
	371	\|
	372	PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
	373	{
	374	struct parse_events_evlist *data = _data;
	375	struct list_head *list;
	376
	377	ALLOC_LIST(list);
	378	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
	379	(void *) $2, NULL, $4));
	380	$$ = list;
	381	}
	382	\|
89812fc8 JO	383	PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
89812fc8 JO	384	{
23b6339b	385	struct parse_events_evlist *data = _data;
c5cd8ac0	386	struct list_head *list;
b847cbdc	387
c5cd8ac0 DA	388	ALLOC_LIST(list);
c5cd8ac0 DA	389	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
3741eb9f	390	(void *) $2, $4, 0));
b847cbdc	391	$$ = list;
89812fc8 JO	392	}
	393	\|
	394	PE_PREFIX_MEM PE_VALUE sep_dc
	395	{
23b6339b	396	struct parse_events_evlist *data = _data;
c5cd8ac0	397	struct list_head *list;
b847cbdc	398
c5cd8ac0 DA	399	ALLOC_LIST(list);
c5cd8ac0 DA	400	ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
3741eb9f	401	(void *) $2, NULL, 0));
b847cbdc	402	$$ = list;
89812fc8 JO	403	}
	404
	405	event_legacy_tracepoint:
1d55e8ef	406	tracepoint_name opt_event_config
2b9032e0 AY	407	{
2b9032e0 AY	408	struct parse_events_evlist *data = _data;
19658171	409	struct parse_events_error *error = data->error;
2b9032e0	410	struct list_head *list;
2b9032e0 AY	411
2b9032e0 AY	412	ALLOC_LIST(list);
e637d177 HK	413	if (error)
	414	error->idx = @1.first_column;
	415
865582c3	416	if (parse_events_add_tracepoint(list, &data->idx, $1.sys, $1.event,
1d55e8ef	417	error, $2))
e637d177 HK	418	return -1;
e637d177 HK	419
2b9032e0 AY	420	$$ = list;
2b9032e0 AY	421	}
865582c3 HK	422
	423	tracepoint_name:
	424	PE_NAME '-' PE_NAME ':' PE_NAME
	425	{
	426	char sys_name[128];
	427	struct tracepoint_name tracepoint;
	428
	429	snprintf(&sys_name, 128, "%s-%s", $1, $3);
	430	tracepoint.sys = &sys_name;
	431	tracepoint.event = $5;
	432
	433	$$ = tracepoint;
	434	}
2b9032e0	435	\|
89812fc8 JO	436	PE_NAME ':' PE_NAME
89812fc8 JO	437	{
865582c3	438	struct tracepoint_name tracepoint = {$1, $3};
b847cbdc	439
865582c3	440	$$ = tracepoint;
89812fc8 JO	441	}
	442
	443	event_legacy_numeric:
10bf358a	444	PE_VALUE ':' PE_VALUE opt_event_config
89812fc8	445	{
23b6339b	446	struct parse_events_evlist *data = _data;
c5cd8ac0	447	struct list_head *list;
b847cbdc	448
c5cd8ac0	449	ALLOC_LIST(list);
10bf358a WN	450	ABORT_ON(parse_events_add_numeric(data, list, (u32)$1, $3, $4));
10bf358a WN	451	parse_events_terms__delete($4);
b847cbdc	452	$$ = list;
89812fc8 JO	453	}
	454
	455	event_legacy_raw:
10bf358a	456	PE_RAW opt_event_config
89812fc8	457	{
23b6339b	458	struct parse_events_evlist *data = _data;
c5cd8ac0	459	struct list_head *list;
b847cbdc	460
c5cd8ac0	461	ALLOC_LIST(list);
10bf358a WN	462	ABORT_ON(parse_events_add_numeric(data, list, PERF_TYPE_RAW, $1, $2));
10bf358a WN	463	parse_events_terms__delete($2);
b847cbdc	464	$$ = list;
8f707d84 JO	465	}
8f707d84 JO	466
84c86ca1	467	event_bpf_file:
a34f3be7	468	PE_BPF_OBJECT opt_event_config
84c86ca1 WN	469	{
	470	struct parse_events_evlist *data = _data;
	471	struct parse_events_error *error = data->error;
	472	struct list_head *list;
	473
	474	ALLOC_LIST(list);
a34f3be7 WN	475	ABORT_ON(parse_events_load_bpf(data, list, $1, false, $2));
a34f3be7 WN	476	parse_events_terms__delete($2);
d509db04 WN	477	$$ = list;
	478	}
	479	\|
a34f3be7	480	PE_BPF_SOURCE opt_event_config
d509db04 WN	481	{
	482	struct parse_events_evlist *data = _data;
	483	struct list_head *list;
	484
	485	ALLOC_LIST(list);
a34f3be7 WN	486	ABORT_ON(parse_events_load_bpf(data, list, $1, true, $2));
a34f3be7 WN	487	parse_events_terms__delete($2);
84c86ca1 WN	488	$$ = list;
	489	}
	490
1d55e8ef ACM	491	opt_event_config:
	492	'/' event_config '/'
	493	{
	494	$$ = $2;
	495	}
	496	\|
	497	'/' '/'
	498	{
	499	$$ = NULL;
	500	}
	501	\|
	502	{
	503	$$ = NULL;
	504	}
	505
89efb029	506	start_terms: event_config
90e2b22d	507	{
23b6339b	508	struct parse_events_terms *data = _data;
90e2b22d JO	509	data->terms = $1;
	510	}
	511
8f707d84 JO	512	event_config:
	513	event_config ',' event_term
	514	{
	515	struct list_head *head = $1;
6cee6cd3	516	struct parse_events_term *term = $3;
8f707d84 JO	517
	518	ABORT_ON(!head);
	519	list_add_tail(&term->list, head);
	520	$$ = $1;
	521	}
	522	\|
	523	event_term
	524	{
	525	struct list_head head = malloc(sizeof(head));
6cee6cd3	526	struct parse_events_term *term = $1;
8f707d84 JO	527
	528	ABORT_ON(!head);
	529	INIT_LIST_HEAD(head);
	530	list_add_tail(&term->list, head);
	531	$$ = head;
	532	}
	533
	534	event_term:
	535	PE_NAME '=' PE_NAME
	536	{
6cee6cd3	537	struct parse_events_term *term;
8f707d84	538
6cee6cd3	539	ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
cecf3a2e	540	$1, $3, &@1, &@3));
8f707d84 JO	541	$$ = term;
	542	}
	543	\|
	544	PE_NAME '=' PE_VALUE
	545	{
6cee6cd3	546	struct parse_events_term *term;
8f707d84	547
6cee6cd3	548	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
cecf3a2e	549	$1, $3, &@1, &@3));
8f707d84 JO	550	$$ = term;
	551	}
	552	\|
1d33d6dc JO	553	PE_NAME '=' PE_VALUE_SYM_HW
1d33d6dc JO	554	{
6cee6cd3	555	struct parse_events_term *term;
1d33d6dc JO	556	int config = $3 & 255;
1d33d6dc JO	557
6cee6cd3	558	ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
1d33d6dc JO	559	$$ = term;
	560	}
	561	\|
8f707d84 JO	562	PE_NAME
8f707d84 JO	563	{
6cee6cd3	564	struct parse_events_term *term;
8f707d84	565
6cee6cd3	566	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
cecf3a2e	567	$1, 1, &@1, NULL));
8f707d84 JO	568	$$ = term;
	569	}
	570	\|
1d33d6dc JO	571	PE_VALUE_SYM_HW
1d33d6dc JO	572	{
6cee6cd3	573	struct parse_events_term *term;
1d33d6dc JO	574	int config = $1 & 255;
1d33d6dc JO	575
6cee6cd3	576	ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
1d33d6dc JO	577	$$ = term;
	578	}
	579	\|
6b5fc39b JO	580	PE_TERM '=' PE_NAME
6b5fc39b JO	581	{
6cee6cd3	582	struct parse_events_term *term;
6b5fc39b	583
cecf3a2e	584	ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3));
6b5fc39b JO	585	$$ = term;
	586	}
	587	\|
8f707d84 JO	588	PE_TERM '=' PE_VALUE
8f707d84 JO	589	{
6cee6cd3	590	struct parse_events_term *term;
8f707d84	591
cecf3a2e	592	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
8f707d84 JO	593	$$ = term;
	594	}
	595	\|
	596	PE_TERM
	597	{
6cee6cd3	598	struct parse_events_term *term;
8f707d84	599
cecf3a2e	600	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
8f707d84	601	$$ = term;
89812fc8	602	}
e571e029 WN	603	\|
	604	PE_NAME array '=' PE_NAME
	605	{
	606	struct parse_events_term *term;
	607	int i;
	608
	609	ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
	610	$1, $4, &@1, &@4));
	611
	612	term->array = $2;
	613	$$ = term;
	614	}
	615	\|
	616	PE_NAME array '=' PE_VALUE
	617	{
	618	struct parse_events_term *term;
	619
	620	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
	621	$1, $4, &@1, &@4));
	622	term->array = $2;
	623	$$ = term;
	624	}
dd60fba7 MP	625	\|
	626	PE_DRV_CFG_TERM
	627	{
	628	struct parse_events_term *term;
	629
	630	ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
	631	$1, $1, &@1, NULL));
	632	$$ = term;
	633	}
e571e029 WN	634
	635	array:
	636	'[' array_terms ']'
	637	{
	638	$$ = $2;
	639	}
	640	\|
	641	PE_ARRAY_ALL
	642	{
	643	$$.nr_ranges = 0;
	644	$$.ranges = NULL;
	645	}
	646
	647	array_terms:
	648	array_terms ',' array_term
	649	{
	650	struct parse_events_array new_array;
	651
	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]));
	660	free($1.ranges);
	661	free($3.ranges);
	662	$$ = new_array;
	663	}
	664	\|
	665	array_term
	666
	667	array_term:
	668	PE_VALUE
	669	{
	670	struct parse_events_array array;
	671
	672	array.nr_ranges = 1;
	673	array.ranges = malloc(sizeof(array.ranges[0]));
	674	ABORT_ON(!array.ranges);
	675	array.ranges[0].start = $1;
	676	array.ranges[0].length = 1;
	677	$$ = array;
	678	}
	679	\|
	680	PE_VALUE PE_ARRAY_RANGE PE_VALUE
	681	{
	682	struct parse_events_array array;
	683
	684	ABORT_ON($3 < $1);
	685	array.nr_ranges = 1;
	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;
	690	$$ = array;
	691	}
89812fc8 JO	692
	693	sep_dc: ':' \|
	694
8f707d84 JO	695	sep_slash_dc: '/' \| ':' \|
8f707d84 JO	696
89812fc8 JO	697	%%
89812fc8 JO	698
6297d423 JO	699	void parse_events_error(YYLTYPE loc, void data,
6297d423 JO	700	void *scanner __maybe_unused,
1d037ca1	701	char const *msg __maybe_unused)
89812fc8	702	{
6297d423	703	parse_events_evlist_error(data, loc->last_column, "parser error");
89812fc8	704	}