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| author | Ryota Ozaki <ozaki.ryota@gmail.com> | 2009-10-24 01:20:10 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-25 17:31:30 +0100 |
| commit | ce0e7b28fb75cb003cfc8d0238613aaf1c55e797 (patch) | |
| tree | e70bec2040045b68876d85036756bc046b5d2742 /Documentation | |
| parent | 0b9e31e9264f1bad89856afb96da1688292f13b4 (diff) | |
| download | linux-ce0e7b28fb75cb003cfc8d0238613aaf1c55e797.tar.gz linux-ce0e7b28fb75cb003cfc8d0238613aaf1c55e797.tar.bz2 linux-ce0e7b28fb75cb003cfc8d0238613aaf1c55e797.zip | |
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')
| -rw-r--r-- | Documentation/filesystems/proc.txt | 3 |
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 |