f5b1135bf7
Adding support to update already defined event's attribute with event modifier. This change will allow to use group modifier as an update to the existing event modifiers. Adding 'add' parameter to the parse_events__modifier_event function. Calling it with 'add' = false/true, the event modifier is initialized/updated respectively. Added exclude_GH flag to evsel struct, because we need to remember if one of 'GH' modifiers was used for event. The reason is that the default settings for exclude_guest is 1 and during the group modifier processing we have no other way of knowing if it was set by default or by event modifier. Keeping the current behaviour, that any event/group modifier reset the defaults for exclude_host (0) and exclude_guest (1). Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ulrich Drepper <drepper@gmail.com> Link: http://lkml.kernel.org/n/tip-8peaey3e2qc9dwtkvzbi4wmx@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
381 lines
6.9 KiB
Text
381 lines
6.9 KiB
Text
%pure-parser
|
|
%name-prefix "parse_events_"
|
|
%parse-param {void *_data}
|
|
%parse-param {void *scanner}
|
|
%lex-param {void* scanner}
|
|
|
|
%{
|
|
|
|
#define YYDEBUG 1
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/list.h>
|
|
#include "types.h"
|
|
#include "util.h"
|
|
#include "parse-events.h"
|
|
#include "parse-events-bison.h"
|
|
|
|
extern int parse_events_lex (YYSTYPE* lvalp, void* scanner);
|
|
|
|
#define ABORT_ON(val) \
|
|
do { \
|
|
if (val) \
|
|
YYABORT; \
|
|
} while (0)
|
|
|
|
%}
|
|
|
|
%token PE_START_EVENTS PE_START_TERMS
|
|
%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
|
|
%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 PE_PREFIX_GROUP
|
|
%token PE_ERROR
|
|
%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_NAME_CACHE_TYPE
|
|
%type <str> PE_NAME_CACHE_OP_RESULT
|
|
%type <str> PE_MODIFIER_EVENT
|
|
%type <str> PE_MODIFIER_BP
|
|
%type <num> value_sym
|
|
%type <head> 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 <head> event_legacy_numeric
|
|
%type <head> event_legacy_raw
|
|
%type <head> event_def
|
|
%type <head> event
|
|
%type <head> events
|
|
%type <head> group_def
|
|
%type <head> group
|
|
%type <head> groups
|
|
|
|
%union
|
|
{
|
|
char *str;
|
|
u64 num;
|
|
struct list_head *head;
|
|
struct parse_events__term *term;
|
|
}
|
|
%%
|
|
|
|
start:
|
|
PE_START_EVENTS start_events
|
|
|
|
|
PE_START_TERMS start_terms
|
|
|
|
start_events: groups
|
|
{
|
|
struct parse_events_data__events *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));
|
|
$$ = list;
|
|
}
|
|
|
|
|
group_def
|
|
|
|
group_def:
|
|
PE_NAME '{' events '}'
|
|
{
|
|
struct list_head *list = $3;
|
|
|
|
parse_events__group($1, list);
|
|
$$ = list;
|
|
}
|
|
|
|
|
'{' events '}'
|
|
{
|
|
struct list_head *list = $2;
|
|
|
|
parse_events__group(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_def 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));
|
|
$$ = list;
|
|
}
|
|
|
|
|
event_def
|
|
|
|
event_def: event_pmu |
|
|
event_legacy_symbol |
|
|
event_legacy_cache sep_dc |
|
|
event_legacy_mem |
|
|
event_legacy_tracepoint sep_dc |
|
|
event_legacy_numeric sep_dc |
|
|
event_legacy_raw sep_dc
|
|
|
|
event_pmu:
|
|
PE_NAME '/' event_config '/'
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_pmu(&list, &data->idx, $1, $3));
|
|
parse_events__free_terms($3);
|
|
$$ = list;
|
|
}
|
|
|
|
value_sym:
|
|
PE_VALUE_SYM_HW
|
|
|
|
|
PE_VALUE_SYM_SW
|
|
|
|
event_legacy_symbol:
|
|
value_sym '/' event_config '/'
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
int type = $1 >> 16;
|
|
int config = $1 & 255;
|
|
|
|
ABORT_ON(parse_events_add_numeric(&list, &data->idx,
|
|
type, config, $3));
|
|
parse_events__free_terms($3);
|
|
$$ = list;
|
|
}
|
|
|
|
|
value_sym sep_slash_dc
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
int type = $1 >> 16;
|
|
int config = $1 & 255;
|
|
|
|
ABORT_ON(parse_events_add_numeric(&list, &data->idx,
|
|
type, config, NULL));
|
|
$$ = list;
|
|
}
|
|
|
|
event_legacy_cache:
|
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, $5));
|
|
$$ = list;
|
|
}
|
|
|
|
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, NULL));
|
|
$$ = list;
|
|
}
|
|
|
|
|
PE_NAME_CACHE_TYPE
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, NULL, NULL));
|
|
$$ = list;
|
|
}
|
|
|
|
event_legacy_mem:
|
|
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
|
|
(void *) $2, $4));
|
|
$$ = list;
|
|
}
|
|
|
|
|
PE_PREFIX_MEM PE_VALUE sep_dc
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
|
|
(void *) $2, NULL));
|
|
$$ = list;
|
|
}
|
|
|
|
event_legacy_tracepoint:
|
|
PE_NAME ':' PE_NAME
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_tracepoint(&list, &data->idx, $1, $3));
|
|
$$ = list;
|
|
}
|
|
|
|
event_legacy_numeric:
|
|
PE_VALUE ':' PE_VALUE
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_numeric(&list, &data->idx, (u32)$1, $3, NULL));
|
|
$$ = list;
|
|
}
|
|
|
|
event_legacy_raw:
|
|
PE_RAW
|
|
{
|
|
struct parse_events_data__events *data = _data;
|
|
struct list_head *list = NULL;
|
|
|
|
ABORT_ON(parse_events_add_numeric(&list, &data->idx,
|
|
PERF_TYPE_RAW, $1, NULL));
|
|
$$ = list;
|
|
}
|
|
|
|
start_terms: event_config
|
|
{
|
|
struct parse_events_data__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));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME '=' PE_VALUE
|
|
{
|
|
struct parse_events__term *term;
|
|
|
|
ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, $3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_NAME
|
|
{
|
|
struct parse_events__term *term;
|
|
|
|
ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
|
|
$1, 1));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM '=' PE_NAME
|
|
{
|
|
struct parse_events__term *term;
|
|
|
|
ABORT_ON(parse_events__term_str(&term, (int)$1, NULL, $3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM '=' PE_VALUE
|
|
{
|
|
struct parse_events__term *term;
|
|
|
|
ABORT_ON(parse_events__term_num(&term, (int)$1, NULL, $3));
|
|
$$ = term;
|
|
}
|
|
|
|
|
PE_TERM
|
|
{
|
|
struct parse_events__term *term;
|
|
|
|
ABORT_ON(parse_events__term_num(&term, (int)$1, NULL, 1));
|
|
$$ = term;
|
|
}
|
|
|
|
sep_dc: ':' |
|
|
|
|
sep_slash_dc: '/' | ':' |
|
|
|
|
%%
|
|
|
|
void parse_events_error(void *data __used, void *scanner __used,
|
|
char const *msg __used)
|
|
{
|
|
}
|