lkml.org 
[lkml]   [2008]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH O/4] Block I/O tracking
    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






    \
     
     \ /
      Last update: 2008-03-18 11:15    [W:5.494 / U:0.080 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site