linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Michael wang <wangyun@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <umgwanakikbuti@gmail.com>,
	Rik van Riel <riel@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Alex Shi <alex.shi@linaro.org>,
	Paul Turner <pjt@google.com>, Mel Gorman <mgorman@suse.de>,
	Daniel Lezcano <daniel.lezcano@linaro.org>
Subject: Re: [ISSUE] sched/cgroup: Does cpu-cgroup still works fine nowadays?
Date: Fri, 16 May 2014 16:15:03 +0800	[thread overview]
Message-ID: <5375C907.7060601@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140516075421.GL11096@twins.programming.kicks-ass.net>

On 05/16/2014 03:54 PM, Peter Zijlstra wrote:
[snip]
>>> Right.  I played a little (sane groups), saw load balancing as well.
>>
>> Yeah, now we found that even l2 groups will face the same issue, allow
>> me to re-list the details here:
> 
> Hmm, that _should_ more or less work and does indeed suggest there's
> something iffy.

Yeah, sane group topology also issued... besides the sleeper bonus, it
seems like the root cause is tasks starting to gather, I plan to check
the difference on task load between two cases, see if there is a good
way to solve this problem :)

Regards,
Michael Wang

> 


  reply	other threads:[~2014-05-16  8:15 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13  3:34 [ISSUE] sched/cgroup: Does cpu-cgroup still works fine nowadays? Michael wang
2014-05-13  9:47 ` Peter Zijlstra
2014-05-13 13:36   ` Rik van Riel
2014-05-13 14:23     ` Peter Zijlstra
2014-05-14  3:27       ` Michael wang
2014-05-14  7:36       ` Michael wang
2014-05-14  9:44         ` Peter Zijlstra
2014-05-15  3:46           ` Michael wang
2014-05-15  8:35             ` Peter Zijlstra
2014-05-15  8:46               ` Michael wang
2014-05-15  9:06                 ` Peter Zijlstra
2014-05-15  9:35                   ` Michael wang
2014-05-15 11:57                     ` Peter Zijlstra
2014-05-16  2:23                       ` Michael wang
2014-05-16  2:51                         ` Mike Galbraith
2014-05-16  4:24                           ` Michael wang
2014-05-16  7:54                             ` Peter Zijlstra
2014-05-16  8:15                               ` Michael wang [this message]
2014-06-10  8:56                               ` Michael wang
2014-06-10 12:12                                 ` Peter Zijlstra
2014-06-11  6:13                                   ` Michael wang
2014-06-11  8:24                                     ` Peter Zijlstra
2014-06-11  9:18                                       ` Michael wang
2014-06-23  9:42                                         ` Peter Zijlstra
2014-06-24  3:10                                           ` Michael wang
2014-05-16  7:48                         ` Peter Zijlstra
2014-05-14  3:21     ` Michael wang
2014-05-14  3:16   ` Michael wang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5375C907.7060601@linux.vnet.ibm.com \
    --to=wangyun@linux.vnet.ibm.com \
    --cc=alex.shi@linaro.org \
    --cc=daniel.lezcano@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mgorman@suse.de \
    --cc=mingo@kernel.org \
    --cc=peterz@infradead.org \
    --cc=pjt@google.com \
    --cc=riel@redhat.com \
    --cc=umgwanakikbuti@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).