Re: [PATCH v7 00/11] per-cgroup cpu-stat
From: Tejun Heo
Date: Wed Jun 05 2013 - 21:49:42 EST
On Wed, May 29, 2013 at 03:03:11PM +0400, Glauber Costa wrote:
> I am *not* going as far as marking cpuacct deprecated, because I think it
> deserves a special discussion (even though my position in this matter is widely
> known), but all the infrastructure to make it happen is here. But after this,
> it should be a matter of setting a flag (or not).
I'll ensure that cpuacct can't be used with sane_behavior from cgroup
core side, so that it can be deprecated with multiple hierarchies
> Through this patchset I am making cpu cgroup provide the same functionality of
> cpuacct, and now with a more clear semantics, I attempt to provide userspace
> with enough information to reconstruct per-container version of files like
> "/proc/stat". In particular, we are interested in knowing the per-cgroup slices
> of user time, system time, wait time, number of processes, and a variety of
> To make sure we can count nr of switches correctly, I am ressurecting one of
> Peter's patches that apparently got nowhere in the past.
I generally agree with the approach but which tree is it based on?
Can you please let me know the base commit so that I can review the
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