acme at infradead
Jul 5, 2012, 8:45 AM
Post #1 of 1
(29 views)
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[PATCH 19/20] perf tools: Split out PE_VALUE_SYM parsing token to SW and HW tokens
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From: Jiri Olsa <jolsa [at] redhat>
Spliting PE_VALUE_SYM token to PE_VALUE_SYM_HW and PE_VALUE_SYM_SW
tokens to separate hardware and software symbols.
This will be useful in upcomming patch where we want to be able to parse
out only hardware events.
Signed-off-by: Jiri Olsa <jolsa [at] redhat>
Cc: Corey Ashford <cjashfor [at] linux>
Cc: Frederic Weisbecker <fweisbec [at] gmail>
Cc: Ingo Molnar <mingo [at] elte>
Cc: Paul Mackerras <paulus [at] samba>
Cc: Peter Zijlstra <a.p.zijlstra [at] chello>
Cc: Stephane Eranian <eranian [at] google>
Link: http://lkml.kernel.org/r/1341352848-11833-6-git-send-email-jolsa [at] redhat
Signed-off-by: Arnaldo Carvalho de Melo <acme [at] redhat>
---
tools/perf/util/parse-events.l | 2 +-
tools/perf/util/parse-events.y | 15 +++++++++++----
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 6cbe092..384ca74 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -56,7 +56,7 @@ static int sym(yyscan_t scanner, int type, int config)
YYSTYPE *yylval = parse_events_get_lval(scanner);
yylval->num = (type << 16) + config;
- return PE_VALUE_SYM;
+ return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW;
}
static int term(yyscan_t scanner, int type)
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 9525c45..2bc5fbf 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -26,14 +26,15 @@ do { \
%}
%token PE_START_EVENTS PE_START_TERMS
-%token PE_VALUE PE_VALUE_SYM PE_RAW PE_TERM
+%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
%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
@@ -41,6 +42,7 @@ do { \
%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
@@ -109,8 +111,13 @@ PE_NAME '/' event_config '/'
$$ = list;
}
+value_sym:
+PE_VALUE_SYM_HW
+|
+PE_VALUE_SYM_SW
+
event_legacy_symbol:
-PE_VALUE_SYM '/' event_config '/'
+value_sym '/' event_config '/'
{
struct parse_events_data__events *data = _data;
struct list_head *list = NULL;
@@ -123,7 +130,7 @@ PE_VALUE_SYM '/' event_config '/'
$$ = list;
}
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-PE_VALUE_SYM sep_slash_dc
+value_sym sep_slash_dc
{
struct parse_events_data__events *data = _data;
struct list_head *list = NULL;
--
1.7.9.2.358.g22243
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