Messages in this thread | | | Date | Tue, 18 Mar 2008 19:16:24 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH O/4] Block I/O tracking |
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On Tue, 18 Mar 2008 18:22:51 +0900 (JST) Hirokazu Takahashi <taka@valinux.co.jp> wrote:
> # mount -t cgroup -o bio none /cgroup/bio > > Then, you make new bio cgroups and put some processes in them. > > # mkdir /cgroup/bio/bgroup1 > # mkdir /cgroup/bio/bgroup2 > # echo 1234 /cgroup/bio/bgroup1/tasks > # echo 5678 /cgroup/bio/bgroup1/tasks > > Now you check the ids of the bio cgroups which you just created. > > # cat /cgroup/bio/bgroup1/bio.id > 1 > # cat /cgroup/bio/bgroup2/bio.id > 2 > > Finally, you can attach the cgroups to "ioband1" and assign them weights. > > # dmsetup message ioband1 0 type cgroup > # dmsetup message ioband1 0 attach 1 > # dmsetup message ioband1 0 attach 2 > # dmsetup message ioband1 0 weight 1:30 > # dmsetup message ioband1 0 weight 2:60 > > You can find the manual of dm-ioband at > http://people.valinux.co.jp/~ryov/dm-ioband/manual/index.html. > But the user interface for the bio cgroup is temporal and it will be > changed after the io_context support. > I'm grad if these some kinds of params rather than 'id' are also shown under cgroup.
Thanks, -Kame
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