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Diffstat (limited to 'tools/perf/util/parse-events.y')
-rw-r--r--tools/perf/util/parse-events.y298
1 files changed, 239 insertions, 59 deletions
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 362cc59332a..0bc87ba46bf 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -1,7 +1,7 @@
-
-%name-prefix "parse_events_"
-%parse-param {struct list_head *list_all}
-%parse-param {int *idx}
+%pure-parser
+%parse-param {void *_data}
+%parse-param {void *scanner}
+%lex-param {void* scanner}
%{
@@ -9,11 +9,12 @@
#include <linux/compiler.h>
#include <linux/list.h>
-#include "types.h"
+#include <linux/types.h>
#include "util.h"
#include "parse-events.h"
+#include "parse-events-bison.h"
-extern int parse_events_lex (void);
+extern int parse_events_lex (YYSTYPE* lvalp, void* scanner);
#define ABORT_ON(val) \
do { \
@@ -21,16 +22,34 @@ do { \
YYABORT; \
} while (0)
+#define ALLOC_LIST(list) \
+do { \
+ list = malloc(sizeof(*list)); \
+ ABORT_ON(!list); \
+ INIT_LIST_HEAD(list); \
+} while (0)
+
+static 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_VALUE PE_VALUE_SYM PE_RAW PE_TERM
+%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_MODIFIER_EVENT PE_MODIFIER_BP
%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
-%token PE_PREFIX_MEM PE_PREFIX_RAW
+%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
%token PE_ERROR
%type <num> PE_VALUE
-%type <num> PE_VALUE_SYM
+%type <num> PE_VALUE_SYM_HW
+%type <num> PE_VALUE_SYM_SW
%type <num> PE_RAW
%type <num> PE_TERM
%type <str> PE_NAME
@@ -38,6 +57,8 @@ do { \
%type <str> PE_NAME_CACHE_OP_RESULT
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
+%type <str> PE_EVENT_NAME
+%type <num> value_sym
%type <head> event_config
%type <term> event_term
%type <head> event_pmu
@@ -48,35 +69,127 @@ do { \
%type <head> event_legacy_numeric
%type <head> event_legacy_raw
%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
%union
{
char *str;
- unsigned long num;
+ u64 num;
struct list_head *head;
- struct parse_events__term *term;
+ struct parse_events_term *term;
}
%%
+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);
+ $$ = list;
+}
+
events:
-events ',' event | event
+events ',' event
+{
+ struct list_head *event = $3;
+ struct list_head *list = $1;
+
+ parse_events_update_lists(event, list);
+ $$ = list;
+}
+|
+event
+
+event: event_mod
-event:
-event_def PE_MODIFIER_EVENT
+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($1, $2));
- parse_events_update_lists($1, list_all);
+ ABORT_ON(parse_events__modifier_event(list, $2, false));
+ $$ = list;
}
|
-event_def
+event_name
+
+event_name:
+PE_EVENT_NAME event_def
{
- parse_events_update_lists($1, list_all);
+ ABORT_ON(parse_events_name($2, $1));
+ free($1);
+ $$ = $2;
}
+|
+event_def
event_def: event_pmu |
event_legacy_symbol |
@@ -89,109 +202,159 @@ event_def: event_pmu |
event_pmu:
PE_NAME '/' event_config '/'
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_pmu(&list, idx, $1, $3));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_pmu(list, &data->idx, $1, $3));
parse_events__free_terms($3);
$$ = list;
}
+value_sym:
+PE_VALUE_SYM_HW
+|
+PE_VALUE_SYM_SW
+
event_legacy_symbol:
-PE_VALUE_SYM '/' event_config '/'
+value_sym '/' event_config '/'
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
int type = $1 >> 16;
int config = $1 & 255;
- ABORT_ON(parse_events_add_numeric(&list, idx, type, config, $3));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_numeric(list, &data->idx,
+ type, config, $3));
parse_events__free_terms($3);
$$ = list;
}
|
-PE_VALUE_SYM sep_slash_dc
+value_sym sep_slash_dc
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
int type = $1 >> 16;
int config = $1 & 255;
- ABORT_ON(parse_events_add_numeric(&list, idx, type, config, NULL));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_numeric(list, &data->idx,
+ type, config, NULL));
$$ = list;
}
event_legacy_cache:
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, $5));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, $5));
$$ = list;
}
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, NULL));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_cache(list, &data->idx, $1, $3, NULL));
$$ = list;
}
|
PE_NAME_CACHE_TYPE
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_cache(&list, idx, $1, NULL, NULL));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_cache(list, &data->idx, $1, NULL, NULL));
$$ = list;
}
event_legacy_mem:
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, $4));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
+ (void *) $2, $4));
$$ = list;
}
|
PE_PREFIX_MEM PE_VALUE sep_dc
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, NULL));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
+ (void *) $2, NULL));
$$ = list;
}
event_legacy_tracepoint:
+PE_NAME '-' PE_NAME ':' PE_NAME
+{
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
+ char sys_name[128];
+ snprintf(&sys_name, 128, "%s-%s", $1, $3);
+
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_tracepoint(list, &data->idx, &sys_name, $5));
+ $$ = list;
+}
+|
PE_NAME ':' PE_NAME
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_tracepoint(&list, idx, $1, $3));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_tracepoint(list, &data->idx, $1, $3));
$$ = list;
}
event_legacy_numeric:
PE_VALUE ':' PE_VALUE
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_numeric(&list, idx, $1, $3, NULL));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_numeric(list, &data->idx, (u32)$1, $3, NULL));
$$ = list;
}
event_legacy_raw:
PE_RAW
{
- struct list_head *list = NULL;
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
- ABORT_ON(parse_events_add_numeric(&list, idx, PERF_TYPE_RAW, $1, NULL));
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_numeric(list, &data->idx,
+ PERF_TYPE_RAW, $1, NULL));
$$ = list;
}
+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;
+ struct parse_events_term *term = $3;
ABORT_ON(!head);
list_add_tail(&term->list, head);
@@ -201,7 +364,7 @@ event_config ',' event_term
event_term
{
struct list_head *head = malloc(sizeof(*head));
- struct parse_events__term *term = $1;
+ struct parse_events_term *term = $1;
ABORT_ON(!head);
INIT_LIST_HEAD(head);
@@ -212,52 +375,70 @@ event_term
event_term:
PE_NAME '=' PE_NAME
{
- struct parse_events__term *term;
+ struct parse_events_term *term;
- ABORT_ON(parse_events__term_str(&term, PARSE_EVENTS__TERM_TYPE_USER,
+ ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
$1, $3));
$$ = term;
}
|
PE_NAME '=' PE_VALUE
{
- struct parse_events__term *term;
+ struct parse_events_term *term;
- ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
+ ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
$1, $3));
$$ = 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));
+ $$ = term;
+}
+|
PE_NAME
{
- struct parse_events__term *term;
+ struct parse_events_term *term;
- ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
+ ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
$1, 1));
$$ = term;
}
|
+PE_VALUE_SYM_HW
+{
+ struct parse_events_term *term;
+ int config = $1 & 255;
+
+ ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
+ $$ = term;
+}
+|
PE_TERM '=' PE_NAME
{
- struct parse_events__term *term;
+ struct parse_events_term *term;
- ABORT_ON(parse_events__term_str(&term, $1, NULL, $3));
+ ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3));
$$ = term;
}
|
PE_TERM '=' PE_VALUE
{
- struct parse_events__term *term;
+ struct parse_events_term *term;
- ABORT_ON(parse_events__term_num(&term, $1, NULL, $3));
+ ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3));
$$ = term;
}
|
PE_TERM
{
- struct parse_events__term *term;
+ struct parse_events_term *term;
- ABORT_ON(parse_events__term_num(&term, $1, NULL, 1));
+ ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1));
$$ = term;
}
@@ -267,8 +448,7 @@ sep_slash_dc: '/' | ':' |
%%
-void parse_events_error(struct list_head *list_all __used,
- int *idx __used,
- char const *msg __used)
+void parse_events_error(void *data __maybe_unused, void *scanner __maybe_unused,
+ char const *msg __maybe_unused)
{
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 13:31:22 +0000