getrusage: RUSAGE_THREAD should return ru_utime and ru_stime
Impact: task stats regression fix
Original getrusage(RUSAGE_THREAD) implementation can return ru_utime and
ru_stime. But commit "f06febc: timers: fix itimer/many thread hang" broke it.
this patch restores it.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/sys.c b/kernel/sys.c
index d356d79..61dbfd4 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1627,6 +1627,8 @@
utime = stime = cputime_zero;
if (who == RUSAGE_THREAD) {
+ utime = task_utime(current);
+ stime = task_stime(current);
accumulate_thread_rusage(p, r);
goto out;
}
