Messages in this thread | | | Date | Mon, 17 Jun 2013 10:16:51 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 11/11] cgroup: use percpu refcnt for cgroup_subsys_states |
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Hello, Michal.
On Mon, Jun 17, 2013 at 03:27:44PM +0200, Michal Hocko wrote: > Thanks for your results! Yes the boost can be really high. I will try to > measure some memcg workloads as soon as I have some spare cycles. I do > not expect a big win but I also do not think this would regress.
With the just committed RCU-sched conversion, the slowdown even on single CPU configuration w/ CONFIG_PREEMPT should be in the range of a few percent points in the worst cases and will mostly be in the noise in any realistic scenarios. So, yeah, looks pretty good to me. :)
Thanks.
-- tejun
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