From: Rusty Russell <rusty@rustcorp.com.au>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Laurent Vivier <Laurent.Vivier@bull.net>,
kvm-devel <kvm-devel@lists.sourceforge.net>,
Ingo Molnar <mingo@elte.hu>, John Stoffel <john@stoffel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
virtualization <virtualization@lists.linux-foundation.org>
Subject: Re: [PATCH 0/4] Virtual Machine Time Accounting
Date: Tue, 21 Aug 2007 09:30:56 +1000 [thread overview]
Message-ID: <1187652656.19435.143.camel@localhost.localdomain> (raw)
In-Reply-To: <46C9BD8F.4070807@goop.org>
On Mon, 2007-08-20 at 09:13 -0700, Jeremy Fitzhardinge wrote:
> Laurent Vivier wrote:
> > functionnalities:
> >
> > - allow to measure time spent by a CPU in a virtual CPU.
> > - allow to display in /proc/state this value by CPU
> > - allow to display in /proc/<pid>/state this value by process
> > - allow KVM to use these 3 previous functionnalities
> >
>
> So, currently time spent in a kvm guest is accumulated as qemu-kvm
> usertime, right? Given that qemu knows when its running in qemu vs
> guest context, couldn't it provide the breakdown between user and guest
> time (ditto lguest)?
No, unfortunately it's accumulated as system time.
Rusty.
next prev parent reply other threads:[~2007-08-20 23:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-20 13:13 [PATCH 0/4] Virtual Machine Time Accounting Laurent Vivier
[not found] ` <46C99371.7070705-6ktuUTfB/bM@public.gmane.org>
2007-08-20 13:41 ` Avi Kivity
2007-08-20 13:43 ` John Stoffel
[not found] ` <18121.39541.790665.686081-HgN6juyGXH5AfugRpC6u6w@public.gmane.org>
2007-08-20 14:39 ` Laurent Vivier
[not found] ` <46C9A7AB.1030003-6ktuUTfB/bM@public.gmane.org>
2007-08-20 16:13 ` Jeremy Fitzhardinge
2007-08-20 23:30 ` Rusty Russell [this message]
2007-08-21 12:54 ` [kvm-devel] " Avi Kivity
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