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authorNamhyung Kim <namhyung.kim@lge.com>2013-01-22 18:09:29 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-01-31 13:07:43 -0300
commit97f63e4a2cf88e9d7bc086a1c3f10fa41c9174df (patch)
treec143cd0b6758fbfe59eb80ba346ccc943c7e589c /tools/perf/util/parse-events.y
parent0de233b9c4f8c83b2cb655bfdbec306c8da81199 (diff)
perf tools: Keep group information
Add a few of group-related field in struct perf_{evlist,evsel} so that the group information in a evlist can be known easily. It only counts groups which have more than 1 members since leader-only groups are treated as non-group events. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1358845787-1350-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/parse-events.y')
-rw-r--r--tools/perf/util/parse-events.y10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 9d43c86176ff..4de2fdca98c8 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -23,6 +23,14 @@ do { \
YYABORT; \
} 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_START_EVENTS PE_START_TERMS
@@ -123,6 +131,7 @@ PE_NAME '{' events '}'
{
struct list_head *list = $3;
+ inc_group_count(list, _data);
parse_events__set_leader($1, list);
$$ = list;
}
@@ -131,6 +140,7 @@ PE_NAME '{' events '}'
{
struct list_head *list = $2;
+ inc_group_count(list, _data);
parse_events__set_leader(NULL, list);
$$ = list;
}