aboutsummaryrefslogtreecommitdiff
path: root/tools/perf
diff options
context:
space:
mode:
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
parent0de233b9c4f8c83b2cb655bfdbec306c8da81199 (diff)
downloadvexpress-lsk-97f63e4a2cf88e9d7bc086a1c3f10fa41c9174df.tar.gz
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')
-rw-r--r--tools/perf/util/evlist.c7
-rw-r--r--tools/perf/util/evlist.h1
-rw-r--r--tools/perf/util/evsel.h6
-rw-r--r--tools/perf/util/parse-events.c1
-rw-r--r--tools/perf/util/parse-events.h1
-rw-r--r--tools/perf/util/parse-events.y10
6 files changed, 25 insertions, 1 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index dc8aee97a48..eddd5ebcd69 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -117,6 +117,9 @@ void __perf_evlist__set_leader(struct list_head *list)
struct perf_evsel *evsel, *leader;
leader = list_entry(list->next, struct perf_evsel, node);
+ evsel = list_entry(list->prev, struct perf_evsel, node);
+
+ leader->nr_members = evsel->idx - leader->idx + 1;
list_for_each_entry(evsel, list, node) {
if (evsel != leader)
@@ -126,8 +129,10 @@ void __perf_evlist__set_leader(struct list_head *list)
void perf_evlist__set_leader(struct perf_evlist *evlist)
{
- if (evlist->nr_entries)
+ if (evlist->nr_entries) {
+ evlist->nr_groups = evlist->nr_entries > 1 ? 1 : 0;
__perf_evlist__set_leader(&evlist->entries);
+ }
}
int perf_evlist__add_default(struct perf_evlist *evlist)
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 457e2350d21..73579a25a93 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -21,6 +21,7 @@ struct perf_evlist {
struct list_head entries;
struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
int nr_entries;
+ int nr_groups;
int nr_fds;
int nr_mmaps;
int mmap_len;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index cbf42322a27..c9031ebf196 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -74,6 +74,7 @@ struct perf_evsel {
bool needs_swap;
/* parse modifier helper */
int exclude_GH;
+ int nr_members;
struct perf_evsel *leader;
char *group_name;
};
@@ -259,4 +260,9 @@ bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
int perf_evsel__open_strerror(struct perf_evsel *evsel,
struct perf_target *target,
int err, char *msg, size_t size);
+
+static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
+{
+ return evsel->idx - evsel->leader->idx;
+}
#endif /* __PERF_EVSEL_H */
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 02f6421f03a..4e0f5c2a9fd 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -884,6 +884,7 @@ int parse_events(struct perf_evlist *evlist, const char *str)
if (!ret) {
int entries = data.idx - evlist->nr_entries;
perf_evlist__splice_list_tail(evlist, &data.list, entries);
+ evlist->nr_groups += data.nr_groups;
return 0;
}
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 2cd2c42a69c..8a4859315fd 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -64,6 +64,7 @@ struct parse_events_term {
struct parse_events_evlist {
struct list_head list;
int idx;
+ int nr_groups;
};
struct parse_events_terms {
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 9d43c86176f..4de2fdca98c 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;
}