Andi,
On Fri, Aug 25, 2006 at 04:53:52PM +0200, Andi Kleen wrote:
> On Friday 25 August 2006 16:27, Stephane Eranian wrote:
>
> > I think I will drop the EXCL_IDLE feature given that most PMU stop
> > counting when you go low-power. The feature does not quite do what
> > we want because it totally exclude the idle from monitoring, yet
> > the idle may be doing useful kernel work, such as fielding interrupts.
>
> Ok fine. Anything that makes the code less complex is good.
> Currently it is very big and hard to understand.
>
> (actually at least one newer Intel system I saw seemed to continue counting
> in idle, but that might have been a specific quirk)
>
How is this affecting your RDTSC "emulation" with perfctr0?
--
-Stephane
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