[libvirt] [PATCHv6 0/6] Add virNodeGetCPUStats() API
Minoru Usui
usui at mxm.nes.nec.co.jp
Mon May 30 02:03:35 UTC 2011
On Mon, 30 May 2011 09:36:50 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com> wrote:
> On Wed, 25 May 2011 15:01:29 +0900
> Minoru Usui <usui at mxm.nes.nec.co.jp> wrote:
>
> > Hi,
> >
> > This is v6 of virNodeGetCPUTimeParameters() API.
> > (This time, I rename it to virNodeGetCPUStats())
> > It returns cpu utilization or
> > cumulative cpu time of the node from /proc/stat since node boots up.
> > This patch only supports linux host.
> >
>
> Can I make a question ?
>
> What "CPU' means here ?
>
> CPU usage statistics from the Guest OS's point of view ?
>
> Do we get the information by asking an daemon or module on the guest
> to gather statistics on the guest ?
No.
This API gets host cpu statistics, not guest.
It's just read statistics from /proc/stat of the host.
> Thanks,
> -Kame
>
--
Minoru Usui <usui at mxm.nes.nec.co.jp>
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