Re: [PATCH -tip] cpuacct: per-cgroup utime/stime statistics - v4

From: KAMEZAWA Hiroyuki
Date: Mon Mar 23 2009 - 03:50:28 EST


On Mon, 23 Mar 2009 13:17:50 +0530
Bharata B Rao <bharata@xxxxxxxxxxxxxxxxxx> wrote:

> On Mon, Mar 23, 2009 at 04:01:12PM +0900, KAMEZAWA Hiroyuki wrote:
> >
> > Removet this.
> >
> > +- It is possible to see slightly outdated values for stime and utime
> > + due to the batch processing nature of percpu_counter.
>
> This will explain why the stime and utime values for the top cgroup is
> different from the ones seen from /proc/stat. Hence I would prefer to have a
> mention of it in the documentation.
>
i see.

Thanks,
-Kame
> [root@llm11 cgroups]# cat cpuacct.stat ; cat /proc/stat | grep cpu
> utime 3110
> stime 8410
> cpu 3151 2 8336 4051594 2189 0 133 0 0
> ...
>
> Regards,
> Bharata.
>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/