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sched: remove stat_gran

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remove the stat_gran code - it was disabled by default and it causes
unnecessary overhead.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar
2007-10-15 17:00:03 +02:00
parent 2bd8e6d422
commit 8ebc91d936
4 changed files with 15 additions and 50 deletions
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5
kernel/sched.c
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@@ -829,7 +829,7 @@ static void update_curr_load(struct rq *rq)
* Stagger updates to ls->delta_fair. Very frequent updates
* can be expensive.
*/
if (ls->delta_stat >= sysctl_sched_stat_granularity)
if (ls->delta_stat)
__update_curr_load(rq, ls);
}
@@ -1588,9 +1588,6 @@ static void __sched_fork(struct task_struct *p)
p->se.exec_start = 0;
p->se.sum_exec_runtime = 0;
p->se.prev_sum_exec_runtime = 0;
p->se.delta_exec = 0;
p->se.delta_fair_run = 0;
p->se.delta_fair_sleep = 0;
p->se.wait_runtime = 0;
p->se.sleep_start_fair = 0;