Re: [patch 2/2] sched: allow cpuacct stats to be reset

[Paul Menage]

On Thu, Feb 28, 2008 at 10:04 PM, Dhaval Giani
<dhaval@xxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Feb 28, 2008 at 09:48:51PM -0800, Paul Menage wrote:
>
> > On Thu, Feb 28, 2008 at 8:32 PM, Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx> wrote:
>  >
>
> > Can I suggest, in order to be more generic, that this patch instead
>  > set each CPU's counter to the written value divided by the number of
>  > CPUs? (Either forgetting the remainder, or spreading it among the
>  > first few CPUs).
>  >
>
>  This patch is only allowing a reset of the stats. In what sort of a
>  situation would one be looking for changing the usage value?

How about Checkpoint/Restart?

It seems that if you're going to the effort to notice a non-zero value
and return an error, it wouldn't be much more effort to do something
useful with that non-zero value instead.

Paul
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