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From: Jeremy Fitzhardinge <jeremy-TSDbQ3PG+2Y@public.gmane.org>
To: Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
Cc: kvm-devel
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	John Stoffel <john-HgN6juyGXH5AfugRpC6u6w@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	virtualization
	<virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.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.1030003-6ktuUTfB/bM@public.gmane.org>

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

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  parent reply	other threads:[~2007-08-20 16:13 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 [this message]
2007-08-20 23:30             ` Rusty Russell
2007-08-21 12:54             ` [kvm-devel] " Avi Kivity

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