linux-kernel - Re: [PATCH v7 00/11] per-cgroup cpu-stat

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 5 Jun 2013 18:49:29 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Glauber Costa <glommer@...nvz.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Turner <pjt@...gle.com>, linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org, Frederic Weisbecker <fweisbec@...il.com>,
	devel@...nvz.org
Subject: Re: [PATCH v7 00/11] per-cgroup cpu-stat

Hello, Glauber.

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
eventually.

> 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
> statistics.
> 
> 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
series properly?

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/