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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Laurent Vivier <Laurent.Vivier@bull.net>
Cc: John Stoffel <john@stoffel.org>,
	kvm-devel <kvm-devel@lists.sourceforge.net>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	virtualization <virtualization@lists.linux-foundation.org>
Subject: Re: [PATCH 0/4] Virtual Machine Time Accounting
Date: Mon, 20 Aug 2007 09:13:03 -0700	[thread overview]
Message-ID: <46C9BD8F.4070807@goop.org> (raw)
In-Reply-To: <46C9A7AB.1030003@bull.net>

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)?

    J

  reply	other threads:[~2007-08-20 16:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-20 13:13 [PATCH 0/4] Virtual Machine Time Accounting Laurent Vivier
2007-08-20 13:41 ` [kvm-devel] " Avi Kivity
2007-08-20 13:43 ` John Stoffel
2007-08-20 14:39   ` Laurent Vivier
2007-08-20 16:13     ` Jeremy Fitzhardinge [this message]
2007-08-20 23:30       ` Rusty Russell
2007-08-21 12:54       ` [kvm-devel] " Avi Kivity
2009-08-04 14:16 ` Peter Zijlstra
2009-08-04 15:07   ` Martin Schwidefsky
2009-08-04 16:26     ` Peter Zijlstra
2009-08-04 17:29       ` Martin Schwidefsky
2009-08-04 17:33         ` Peter Zijlstra
2009-08-04 18:12           ` Martin Schwidefsky
2009-08-04 22:23           ` Jeremy Fitzhardinge

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