Re: [patch] sched: Keep total / count stats in addition to the maxfor wait time

[Ingo Molnar]

* Arjan van de Ven <arjan@xxxxxxxxxxxxx> wrote:

> From: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
> Subject: sched: Keep total / count stats in addition to the max for wait time
> 
> Right now, the linux kernel (with scheduler statistics enabled) keeps 
> track of the maximum time a process is waiting to be scheduled. While 
> the maximum is a very useful metric, tracking average and total is 
> equally useful (at least for latencytop) to figure out the accumulated 
> effect of scheduler delays. The accumulated effect is important to 
> judge the performance impact of scheduler tuning/behavior.

thanks, applied to sched-devel.git.

	Ingo
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