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authorJiri Olsa <jolsa@kernel.org>2015-11-05 15:40:49 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-17 15:15:21 -0300
commit2af4646d1041ee590b0032d2b0103fa81aa43174 (patch)
tree5de6fa55bab67a1f88e89bd2628f16b13e8fc0fe /tools
parent1c59612de0264790698e32eb0368daf3fcba4c65 (diff)
perf stat record: Store events IDs in perf data file
Store event IDs in evlist object so it get stored into perf.data file. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Kan Liang <kan.liang@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1446734469-11352-6-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-stat.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 45bf4d2caebe..39d0c30f0f59 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -346,6 +346,38 @@ static int perf_stat_synthesize_config(void)
return 0;
}
+#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+
+static int __store_counter_ids(struct perf_evsel *counter,
+ struct cpu_map *cpus,
+ struct thread_map *threads)
+{
+ int cpu, thread;
+
+ for (cpu = 0; cpu < cpus->nr; cpu++) {
+ for (thread = 0; thread < threads->nr; thread++) {
+ int fd = FD(counter, cpu, thread);
+
+ if (perf_evlist__id_add_fd(evsel_list, counter,
+ cpu, thread, fd) < 0)
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int store_counter_ids(struct perf_evsel *counter)
+{
+ struct cpu_map *cpus = counter->cpus;
+ struct thread_map *threads = counter->threads;
+
+ if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr))
+ return -ENOMEM;
+
+ return __store_counter_ids(counter, cpus, threads);
+}
+
static int __run_perf_stat(int argc, const char **argv)
{
int interval = stat_config.interval;
@@ -410,6 +442,9 @@ static int __run_perf_stat(int argc, const char **argv)
l = strlen(counter->unit);
if (l > unit_width)
unit_width = l;
+
+ if (STAT_RECORD && store_counter_ids(counter))
+ return -1;
}
if (perf_evlist__apply_filters(evsel_list, &counter)) {