On Fri, 22 Oct 2010 16:12:25 +0800 Li Zefan <lizf@xxxxxxxxxxxxxx> wrote: > Provide a usage example, and update the bind() callback API. > > Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx> > --- > Documentation/cgroups/cgroups.txt | 26 +++++++++++++++++--------- > 1 files changed, 17 insertions(+), 9 deletions(-) > > diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt > index 190018b..5b5382a 100644 > --- a/Documentation/cgroups/cgroups.txt > +++ b/Documentation/cgroups/cgroups.txt > @@ -363,17 +363,23 @@ Note this will add ns to the hierarchy but won't remove memory or > cpuset, because the new options are appended to the old ones: > # mount -o remount,ns /dev/cgroup > > +For some subsystems you can bind them to a mounted hierarchy or > +remove them from it, even if there're sub-cgroups in it: > +# mount -t cgroup -o freezer hier1 /dev/cgroup > +# echo $$ > /dev/cgroup/my_cgroup > +# mount -o freezer,cpuset hier1 /dev/cgroup > +(failed) > +# mount -o freezer,cpuacct hier1 /dev/cgroup > +# mount -o cpuacct hier1 /dev/cgroup > + > +Note cpuacct should be sit in the default hierarchy before remount. > + Can this operation be used with noop cgroup ? (IOW, perf cgroup can be attached to noop cgroup ?) Thanks, -Kame _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
