Commit-ID: e614b3332a4f3f264a26da28e5a1f4cc3aea3974 Gitweb: http://git.kernel.org/tip/e614b3332a4f3f264a26da28e5a1f4cc3aea3974 Author: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> AuthorDate: Thu, 4 Apr 2013 10:57:48 +0200 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Mon, 8 Apr 2013 17:40:52 +0200 sched/cputime: Fix accounting on multi-threaded processes Recent commit 6fac4829 ("cputime: Use accessors to read task cputime stats") introduced a bug, where we account many times the cputime of the first thread, instead of cputimes of all the different threads. Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/20130404085740.GA2495@xxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- kernel/sched/cputime.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index ed12cbb..e93cca9 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -310,7 +310,7 @@ void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times) t = tsk; do { - task_cputime(tsk, &utime, &stime); + task_cputime(t, &utime, &stime); times->utime += utime; times->stime += stime; times->sum_exec_runtime += task_sched_runtime(t); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html