Commit 269484a4 authored Mar 30, 2010 by Mike Galbraith Committed by Ingo Molnar Apr 02, 2010

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>

parent 42be79e3

kernel/sched_debug.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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;
		}

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