perf stat report: Process stat config event

Adding processing of stat config event and initialize stat_config
object.

Reported-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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/1446734469-11352-14-git-send-email-jolsa@kernel.org
[ Renamed 'stat' parameter to 'st' to fix 'already defined' build error with older distros (e.g. RHEL6.7) ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 0a1cfdd..1e5db50 100644 (file)
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1533,6 +1533,15 @@ static int __cmd_record(int argc, const char **argv)
        return argc;
 }
 
+static
+int process_stat_config_event(struct perf_tool *tool __maybe_unused,
+                             union perf_event *event,
+                             struct perf_session *session __maybe_unused)
+{
+       perf_event__read_stat_config(&stat_config, &event->stat_config);
+       return 0;
+}
+
 static int set_maps(struct perf_stat *st)
 {
        if (!st->cpus || !st->threads)
@@ -1600,6 +1609,7 @@ static struct perf_stat perf_stat = {
                .attr           = perf_event__process_attr,
                .thread_map     = process_thread_map_event,
                .cpu_map        = process_cpu_map_event,
+               .stat_config    = process_stat_config_event,
        },
 };