From: Sasha Levin <levinsasha928@gmail.com>
To: Richard Weinberger <richard@nod.at>
Cc: penberg@cs.helsinki.fi, kvm@vger.kernel.org, mingo@elte.hu,
asias.hejun@gmail.com, gorcunov@gmail.com
Subject: Re: kvm tools: clock sources for hrtimer
Date: Wed, 09 Nov 2011 16:49:51 +0200 [thread overview]
Message-ID: <1320850191.31056.64.camel@lappy> (raw)
In-Reply-To: <737697ff491a47a25b620f0fca60bb07@radon2.swed.at>
On Wed, 2011-11-09 at 16:27 +0200, Richard Weinberger wrote:
> Hi!
>
> Is there any way to have high resolution clock sources?
> Currently the native kvm tool seems to support only jiffies:
> $ cat
> /sys/devices/system/clocksource/clocksource0/available_clocksource
> jiffies
>
> Using qemu-kvm with the same kernel/host I can use tsc, hpet, acpi_pm.
>
> Thanks,
> //richard
>
We'll do kvm_clock as well if you compile it in the kernel.
I don't think that using a non-pv clocksource in a guest will do you
much good either.
--
Sasha.
next prev parent reply other threads:[~2011-11-09 14:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-09 14:27 kvm tools: clock sources for hrtimer Richard Weinberger
2011-11-09 14:49 ` Sasha Levin [this message]
2011-11-09 15:42 ` Richard Weinberger
2011-11-09 15:49 ` Sasha Levin
2011-11-09 16:00 ` Cyrill Gorcunov
2011-11-09 16:14 ` Cyrill Gorcunov
2011-11-09 18:56 ` Richard Weinberger
2011-11-09 19:13 ` Pekka Enberg
2011-11-09 19:25 ` Cyrill Gorcunov
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