On Wed, 11 Apr 2007 12:39:05 +0200
Andi Kleen <[email protected]> wrote:
> > The next kernel patch for Perfmon will not make use of the idle notification
> > anymore on any platform.
>
> What do you use instead?
>
> I've been actually thinking to add idle notifier support to oprofile to correct
> for the "perfctr doesn't tick in idle" issue which makes numbers not add up to 100%.
> A lot of people are currently running idle=poll to work around this and that is very
> wasteful.
There was some plan to be able to switch idle handlers at runtime, so one can select
idle=poll just during oprofile operation. I'm not sure what happened to that idea.
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