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Subject[PATCH 3.9 repost] cputime: Fix accounting on multi-threaded processes
Recent commit 6fac4829 "cputime: Use accessors to read task cputime
stats" introduced a bug, that make we account many times cputime of
the first thread, instead of cputimes of all threads.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
---
This patch fixes 3.8 -> 3.9 regression, please apply.

kernel/sched/cputime.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

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);
--
1.7.1


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