[PATCH 0/4] CGroup: Support for named and empty hierarchies

KAMEZAWA Hiroyuki kamezawa.hiroyu at jp.fujitsu.com
Wed Jul 22 22:13:01 PDT 2009


On Wed, 22 Jul 2009 12:50:24 -0700
Paul Menage <menage at google.com> wrote:

> The following series implements support for named cgroup hierarchies,
> and for cgroup hierarchies that have no bound subsystems.
> 
> This is a subset of the patch series that I sent out as an RFC earlier
> in the month; I'm not pushing the additional support for
> multiply-bound hierarchies at this point.
> 
> Signed-off-by: Paul Menage <menage at google.com>
> 

Thank you. I'd like to look into procps package to allow

 #ps -lf -cgroup=/xxxx/yyy
or
 #top -cgroup=/xxx/yyy

I think this can reduce scanning cost of ps/top/pgrep/pkill etc...
(ps can take 1ms if there are lots of processes.)
If rejected, I'll find some other way ;) ../add cgps to libcgroup.

Thanks,
-Kame



> ---
> 
> Paul Menage (4):
>       Support named cgroups hierarchies
>       Move the cgroup debug subsys into cgroup.c to access internal state
>       Add a back-pointer from struct cg_cgroup_link to struct cgroup
>       Allow cgroup hierarchies to be created with no bound subsystems
> 
> 
>  Documentation/cgroups/cgroups.txt |   19 +
>  kernel/Makefile                   |    1 
>  kernel/cgroup.c                   |  660 +++++++++++++++++++++++++++++--------
>  kernel/cgroup_debug.c             |  105 ------
>  4 files changed, 533 insertions(+), 252 deletions(-)
>  delete mode 100644 kernel/cgroup_debug.c
> 
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