linux-kernel - [tip:perf/core] perf stat: Introduce reset_shadow

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Date:	Tue, 9 Jun 2015 02:50:16 -0700
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	hpa@...or.com, acme@...hat.com, tglx@...utronix.de,
	dsahern@...il.com, jolsa@...nel.org, ak@...ux.intel.com,
	a.p.zijlstra@...llo.nl, namhyung@...nel.org, mingo@...nel.org,
	eranian@...gle.com, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf stat: Introduce reset_shadow_stats function

Commit-ID:  1eda3b2144391e1ec9e1870bb32d5216ac7b384c
Gitweb:     http://git.kernel.org/tip/1eda3b2144391e1ec9e1870bb32d5216ac7b384c
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Wed, 3 Jun 2015 16:25:55 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 8 Jun 2015 10:30:30 -0300

perf stat: Introduce reset_shadow_stats function

Move shadow counters reset code into separate function
as preparation for moving it into its own object.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1433341559-31848-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-stat.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b3e08ce..fc85e6b 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -279,15 +279,8 @@ static int evsel_context(struct perf_evsel *evsel)
 	return ctx;
 }
 
-static void perf_stat__reset_stats(struct perf_evlist *evlist)
+static void reset_shadow_stats(void)
 {
-	struct perf_evsel *evsel;
-
-	evlist__for_each(evlist, evsel) {
-		perf_evsel__reset_stat_priv(evsel);
-		perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
-	}
-
 	memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
 	memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
 	memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
@@ -307,6 +300,18 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist)
 	memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
 }
 
+static void perf_stat__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, perf_evsel__nr_cpus(evsel));
+	}
+
+	reset_shadow_stats();
+}
+
 static int create_perf_stat_counter(struct perf_evsel *evsel)
 {
 	struct perf_event_attr *attr = &evsel->attr;
--
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