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[dm-devel] Re: [PATCH 01/20] io-controller: Documentation
- From: Vivek Goyal <vgoyal redhat com>
- To: Balbir Singh <balbir linux vnet ibm com>
- Cc: dhaval linux vnet ibm com, snitzer redhat com, peterz infradead org, dm-devel redhat com, dpshah google com, jens axboe oracle com, agk redhat com, paolo valente unimore it, guijianfeng cn fujitsu com, fernando oss ntt co jp, mikew google com, jmoyer redhat com, nauman google com, m-ikeda ds jp nec com, lizf cn fujitsu com, fchecconi gmail com, akpm linux-foundation org, containers lists linux-foundation org, linux-kernel vger kernel org, s-uchida ap jp nec com, righi andrea gmail com, jbaron redhat com
- Subject: [dm-devel] Re: [PATCH 01/20] io-controller: Documentation
- Date: Fri, 29 May 2009 11:53:48 -0400
On Fri, May 29, 2009 at 11:42:52PM +0800, Balbir Singh wrote:
> * Vivek Goyal <vgoyal redhat com> [2009-05-26 18:41:50]:
>
> > + mount -t cgroup -o io,blkio none /cgroup
> > +
> > +- Create two cgroups
> > + mkdir -p /cgroup/test1/ /cgroup/test2
> > +
> > +- Set weights of group test1 and test2
> > + echo 1000 > /cgroup/test1/io.ioprio
> > + echo 500 > /cgroup/test2/io.ioprio
> > +
>
> I am not sure if anyone has asked this before, but are the numbers
> arbitrary like shares or are they time units?
>
They are arbitrary like shares.
This documentation file is still little wrong. "io.ioprio" should be replaced
with "io.weight". Gui pointed it out last time. Will fix it right away..
Thanks
Vivek
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