From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman) Subject: Re: the performance of cgroup regarding resource isolation Date: Tue, 04 Feb 2014 10:59:55 -0800 Message-ID: <87ha8ek8k4.fsf@xmission.com> References: Mime-Version: 1.0 Return-path: In-Reply-To: (ricky l.'s message of "Tue, 4 Feb 2014 11:28:47 -0500") Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ricky l Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org ricky l writes: > Can anyone help me to find documents/blog that describes the > performance of cgroup mainly for CPU resource isolation? I am curious > how well (or accurately) it isolates different groups with different > cfs_quota or cpu.shares. I am also curious how instantaneous the > change of the values take effect. Can someone enlighten me? thx. Write a micro benchmark to test the case you care about. If you really care that is the only way to know. Eric