From: Jeremy Fitzhardinge <jeremy@xensource.com>
Date: Wed, 18 Jul 2007 01:37:05 +0000 (-0700)
Subject: xen: Account for stolen time
X-Git-Tag: v2.6.23-rc1~498^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f91a8b447b9af64f589f6e13fec7f09b5927563d;p=pandora-kernel.git

xen: Account for stolen time

This patch accounts for the time stolen from our VCPUs.  Stolen time is
time where a vcpu is runnable and could be running, but all available
physical CPUs are being used for something else.

This accounting gets run on each timer interrupt, just as a way to get
it run relatively often, and when interesting things are going on.
Stolen time is not really used by much in the kernel; it is reported
in /proc/stats, and that's about it.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Rik van Riel <riel@redhat.com>
---

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