From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 18 Mar 2008 19:16:24 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH O/4] Block I/O tracking Message-Id: <20080318191624.85ca135f.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20080318.182251.93858044.taka@valinux.co.jp> References: <20080318.182251.93858044.taka@valinux.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Hirokazu Takahashi Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org List-ID: On Tue, 18 Mar 2008 18:22:51 +0900 (JST) Hirokazu Takahashi 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org