perf sched: Cleanup, remove unused variables in map_switch_event()
In map_switch_event(), we don't care the previous process currently,
this patch remove the infomation we get but not used.
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Link: http://lkml.kernel.org/r/1400218625-14613-1-git-send-email-yangds.fnst@cn.fujitsu.com
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 0b4fe53..d717683 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1266,9 +1266,8 @@
static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel,
struct perf_sample *sample, struct machine *machine)
{
- const u32 prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"),
- next_pid = perf_evsel__intval(evsel, sample, "next_pid");
- struct thread *sched_out __maybe_unused, *sched_in;
+ const u32 next_pid = perf_evsel__intval(evsel, sample, "next_pid");
+ struct thread *sched_in;
int new_shortname;
u64 timestamp0, timestamp = sample->time;
s64 delta;
@@ -1291,7 +1290,6 @@
return -1;
}
- sched_out = machine__findnew_thread(machine, 0, prev_pid);
sched_in = machine__findnew_thread(machine, 0, next_pid);
sched->curr_thread[this_cpu] = sched_in;