[PATCH 16/27] perf stat: Move perf_evlist__(alloc|free|reset)_stats into stat object

From: Jiri Olsa
Date: Mon Jun 22 2015 - 18:41:59 EST


Moving perf_evlist__(alloc|free|reset)_stats into stat object,
so it could be used in following patches.

Link: http://lkml.kernel.org/n/tip-8dwmf838kipxabe0vay8h0zn@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/builtin-stat.c | 42 ------------------------------------------
tools/perf/util/evlist.h | 1 -
tools/perf/util/stat.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
tools/perf/util/stat.h | 6 ++++++
4 files changed, 50 insertions(+), 43 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 0ccba5c6b61d..3e385f9f12ee 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -141,48 +141,6 @@ static inline void diff_timespec(struct timespec *r, struct timespec *a,
}
}

-static void perf_evlist__free_stats(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel;
-
- evlist__for_each(evlist, evsel) {
- perf_evsel__free_stat_priv(evsel);
- perf_evsel__free_counts(evsel);
- perf_evsel__free_prev_raw_counts(evsel);
- }
-}
-
-static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
-{
- struct perf_evsel *evsel;
- int nthreads = thread_map__nr(evsel_list->threads);
-
- evlist__for_each(evlist, evsel) {
- int ncpus = perf_evsel__nr_cpus(evsel);
-
- if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
- perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 ||
- (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))
- goto out_free;
- }
-
- return 0;
-
-out_free:
- perf_evlist__free_stats(evlist);
- return -1;
-}
-
-static void perf_evlist__reset_stats(struct perf_evlist *evlist)
-{
- struct perf_evsel *evsel;
-
- evlist__for_each(evlist, evsel) {
- perf_evsel__reset_stat_priv(evsel);
- perf_evsel__reset_counts(evsel);
- }
-}
-
static void perf_stat__reset_stats(void)
{
perf_evlist__reset_stats(evsel_list);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index a8489b9d2812..037633c1da9d 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -289,5 +289,4 @@ void perf_evlist__to_front(struct perf_evlist *evlist,

void perf_evlist__set_tracking_event(struct perf_evlist *evlist,
struct perf_evsel *tracking_evsel);
-
#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 6221c3898397..818cb022fcb6 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -1,6 +1,8 @@
#include <math.h>
#include "stat.h"
+#include "evlist.h"
#include "evsel.h"
+#include "thread_map.h"

void update_stats(struct stats *stats, u64 val)
{
@@ -186,3 +188,45 @@ void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
perf_counts__delete(evsel->prev_raw_counts);
evsel->prev_raw_counts = NULL;
}
+
+int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
+{
+ struct perf_evsel *evsel;
+ int nthreads = thread_map__nr(evlist->threads);
+
+ evlist__for_each(evlist, evsel) {
+ int ncpus = perf_evsel__nr_cpus(evsel);
+
+ if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
+ perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 ||
+ (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+ perf_evlist__free_stats(evlist);
+ return -1;
+}
+
+void perf_evlist__free_stats(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ evlist__for_each(evlist, evsel) {
+ perf_evsel__free_stat_priv(evsel);
+ perf_evsel__free_counts(evsel);
+ perf_evsel__free_prev_raw_counts(evsel);
+ }
+}
+
+void perf_evlist__reset_stats(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ evlist__for_each(evlist, evsel) {
+ perf_evsel__reset_stat_priv(evsel);
+ perf_evsel__reset_counts(evsel);
+ }
+}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 454b26875aef..5f62db2472c7 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -70,6 +70,8 @@ static inline void init_stats(struct stats *stats)
}

struct perf_evsel;
+struct perf_evlist;
+
bool __perf_evsel_stat__is(struct perf_evsel *evsel,
enum perf_stat_evsel_id id);

@@ -100,4 +102,8 @@ void perf_evsel__free_stat_priv(struct perf_evsel *evsel);
int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
int ncpus, int nthreads);
void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel);
+
+int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
+void perf_evlist__free_stats(struct perf_evlist *evlist);
+void perf_evlist__reset_stats(struct perf_evlist *evlist);
#endif
--
1.9.3

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