Re: kvm tools: clock sources for hrtimer

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On Wed, 2011-11-09 at 17:42 +0200, Richard Weinberger wrote:
> On Wed, 09 Nov 2011 16:49:51 +0200, Sasha Levin
> <levinsasha928@xxxxxxxxx> wrote:
> > We'll do kvm_clock as well if you compile it in the kernel.
> 
> CONFIG_HIGH_RES_TIMERS is on both host and guest kernels enabled.
> BTW: Why adds the kvm tool "notsc" to the guest's kernel command line?

You'll need CONFIG_KVM_CLOCK.

I'm not actually sure how close our implementation is to having tsc
working so far, Cyrill knows more about that than me.

> > I don't think that using a non-pv clocksource in a guest will do you
> > much good either.
> 
> Using qemu-kvm I get pretty good results...
> 
> Thanks,
> //richard

-- 

Sasha.

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