Commit-ID:  e614b3332a4f3f264a26da28e5a1f4cc3aea3974
Gitweb:     http://git.kernel.org/tip/e614b3332a4f3f264a26da28e5a1f4cc3aea3974
Author:     Stanislaw Gruszka <[email protected]>
AuthorDate: Thu, 4 Apr 2013 10:57:48 +0200
Committer:  Ingo Molnar <[email protected]>
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 <[email protected]>
Acked-by: Frederic Weisbecker <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
 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);
--
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