Re: [BISECTED] Lots of "rescheduling IPIs" in powertop
From: Andi Kleen
Date: Tue May 13 2008 - 16:54:54 EST
Vegard Nossum <vegard.nossum@xxxxxxxxx> writes:
>
> This initially showed up on my 2.6.24.5-85.fc8 (Fedora) kernel.
>
> I have two different systems (one laptop, one desktop) which both show the
> same symptoms, please do tell me if you need any more info.
What CPUs do they have? And does the problem really go away when
you boot with idle=mwait ? And what does the following program
output?
#include <asm/msr.h>
main()
{
printf("%x\n", cpuid_edx(5));
}
-Andi
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