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authorRyota Ozaki <ozaki.ryota@gmail.com>2009-10-23 20:20:10 +0400
committerIngo Molnar <mingo@elte.hu>2009-10-25 19:31:30 +0300
commitce0e7b28fb75cb003cfc8d0238613aaf1c55e797 (patch)
treee70bec2040045b68876d85036756bc046b5d2742 /Documentation/filesystems
parent0b9e31e9264f1bad89856afb96da1688292f13b4 (diff)
downloadlinux-ce0e7b28fb75cb003cfc8d0238613aaf1c55e797.tar.xz
sched, cpuacct: Fix niced guest time accounting
CPU time of a guest is always accounted in 'user' time without concern for the nice value of its counterpart process although the guest is scheduled under the nice value. This patch fixes the defect and accounts cpu time of a niced guest in 'nice' time as same as a niced process. And also the patch adds 'guest_nice' to cpuacct. The value provides niced guest cpu time which is like 'nice' to 'user'. The original discussions can be found here: http://www.mail-archive.com/kvm@vger.kernel.org/msg23982.html http://www.mail-archive.com/kvm@vger.kernel.org/msg23860.html Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com> Acked-by: Avi Kivity <avi@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1256314810-7897-1-git-send-email-ozaki.ryota@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/proc.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 2c48f945546b..4af0018533f2 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1072,7 +1072,8 @@ second). The meanings of the columns are as follows, from left to right:
- irq: servicing interrupts
- softirq: servicing softirqs
- steal: involuntary wait
-- guest: running a guest
+- guest: running a normal guest
+- guest_nice: running a niced guest
The "intr" line gives counts of interrupts serviced since boot time, for each
of the possible system interrupts. The first column is the total of all