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.f...@cn.fujitsu.com> --- tools/perf/builtin-sched.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 2579215..1eb2369 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1266,9 +1266,8 @@ static int process_sched_wakeup_event(struct perf_tool *tool, 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 @@ static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel, 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; -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/