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authorMike Galbraith <efault@gmx.de>2010-03-30 11:09:53 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:06:40 +0200
commit269484a492d9177072ee11ec8c9bff71d256837a (patch)
tree4910c802ac71e70a6e722d7f0bd5119962304f80 /kernel
parent42be79e37e264557f12860fa4cc84b4de3685954 (diff)
downloadlinux-269484a492d9177072ee11ec8c9bff71d256837a.tar.gz
sched: Fix proc_sched_set_task()
Latencytop clearing sum_exec_runtime via proc_sched_set_task() breaks
task_times().  Other places in kernel use nvcsw and nivcsw, which are
being cleared as well,  Clear task statistics only.

Reported-by: Török Edwin <edwintorok@gmail.com>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1269940193.19286.14.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched_debug.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 67f95aada4b9..9b49db144037 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -518,8 +518,4 @@ void proc_sched_set_task(struct task_struct *p)
 	p->se.nr_wakeups_idle			= 0;
 	p->sched_info.bkl_count			= 0;
 #endif
-	p->se.sum_exec_runtime			= 0;
-	p->se.prev_sum_exec_runtime		= 0;
-	p->nvcsw				= 0;
-	p->nivcsw				= 0;
 }