[PATCHSET] perf, cgroup: implement hierarchy support for perf_event controller
lizefan at huawei.com
Tue Apr 9 07:07:56 UTC 2013
On 2013/4/9 10:23, Tejun Heo wrote:
> perf_event cgroup controller is one of the remaining few with broken
> hierarchy support. It turns out it's pretty easy to implement - the
> only thing necessary is making perf_cgroup_match() return %true also
> when the cgroup of the current task is a descendant of the event's
> cgroup. This patchset implements cgroup_is_descendant() and uses it
> to implement hierarchy support in perf_event controller.
> This patchset contains the following three patches.
> The patches are also available in the following git branch, which is
> based on top of cgroup/for-3.10. It's currently based on top of
> cgroup/for-3.10 as the first patch causes non-trivial conflict with it
> otherwise, which is not difficult to resolve but still nice to avoid
> Li, Michal, I picked the first two patches from Li's memcg patchset.
> Can we push the first two through cgroup/for-3.10 and put the rest in
Sure. Andrew asked me to resend the memcg patchset when we are at 3.10-rc1,
because 3.9-rc6 is a bit too late and he's too busy.
> Ingo, how should these be routed?
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