694 lines
13 KiB
Plaintext
694 lines
13 KiB
Plaintext
%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"
|
|
|
|
void parse_events_error(YYLTYPE *loc, void *data, void *scanner, char const *msg);
|
|
|
|
#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, *orig_terms, *terms;
|
|
|
|
if (parse_events_copy_term_list($2, &orig_terms))
|
|
YYABORT;
|
|
|
|
ALLOC_LIST(list);
|
|
if (parse_events_add_pmu(data, list, $1, $2)) {
|
|
struct perf_pmu *pmu = NULL;
|
|
int ok = 0;
|
|
|
|
while ((pmu = perf_pmu__scan(pmu)) != NULL) {
|
|
char *name = pmu->name;
|
|
|
|
if (!strncmp(name, "uncore_", 7) &&
|
|
strncmp($1, "uncore_", 7))
|
|
name += 7;
|
|
if (!strncmp($1, name, strlen($1))) {
|
|
if (parse_events_copy_term_list(orig_terms, &terms))
|
|
YYABORT;
|
|
if (!parse_events_add_pmu(data, list, pmu->name, terms))
|
|
ok++;
|
|
parse_events_terms__delete(terms);
|
|
}
|
|
}
|
|
if (!ok)
|
|
YYABORT;
|
|
}
|
|
parse_events_terms__delete($2);
|
|
parse_events_terms__delete(orig_terms);
|
|
$$ = list;
|
|
}
|
|
|
|
|
PE_KERNEL_PMU_EVENT sep_dc
|
|
{
|
|
struct list_head *list;
|
|
|
|
if (parse_events_multi_pmu_add(_data, $1, &list) < 0)
|
|
YYABORT;
|
|
$$ = list;
|
|
}
|
|
|
|
|
PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
|
|
{
|
|
struct list_head *list;
|
|
char pmu_name[128];
|
|
|
|
snprintf(&pmu_name, 128, "%s-%s", $1, $3);
|
|
if (parse_events_multi_pmu_add(_data, pmu_name, &list) < 0)
|
|
YYABORT;
|
|
$$ = list;
|
|
}
|
|
|
|
value_sym:
|
|
PE_VALUE_SYM_HW
|
|
|
|
|
PE_VALUE_SYM_SW
|
|
|
|
event_legacy_symbol:
|
|
value_sym '/' event_config '/'
|
|
{
|
|
struct parse_events_evlist *data = _data;
|
|
struct list_head *list;
|
|
int type = $1 >> 16;
|
|
int config = $1 & 255;
|
|
|
|
ALLOC_LIST(list);
|
|
ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
|
|
parse_events_terms__delete($3);
|
|
$$ = 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));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME '=' PE_VALUE
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $3, false, &@1, &@3));
|
|
$$ = 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));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, 1, true, &@1, NULL));
|
|
$$ = 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, false, &@1, &@3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
|
|
$$ = 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;
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME array '=' PE_VALUE
|
|
{
|
|
struct parse_events_term *term;
|
|
|
|
ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $4, false, &@1, &@4));
|
|
term->array = $2;
|
|
$$ = 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");
|
|
}
|