From: Mike Galbraith <efault@gmx.de>
To: Michael Wang <wangyun@linux.vnet.ibm.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Alex Shi <alex.shi@intel.com>, Namhyung Kim <namhyung@kernel.org>,
Paul Turner <pjt@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Nikunj A. Dadhania" <nikunj@linux.vnet.ibm.com>,
Ram Pai <linuxram@us.ibm.com>
Subject: Re: [PATCH] sched: smart wake-affine
Date: Tue, 02 Jul 2013 08:29:15 +0200 [thread overview]
Message-ID: <1372746555.7363.147.camel@marge.simpson.net> (raw)
In-Reply-To: <51D2708C.1050901@linux.vnet.ibm.com>
On Tue, 2013-07-02 at 14:17 +0800, Michael Wang wrote:
> As Peter mentioned before, we currently need some solution like the
> buddy-idea, and when folks report regression (I suppose they won't...),
> we will have more data then.
>
> So we could firstly try to regain the lost performance of pgbench, if it
> strip the benefit of other benchmarks, let's fix it, and at last we will
> have a real smart wake-affine and no one will complain ;-)
The idea is plenty simple (and the fastpath has a deep and abiding love
of simple) so the idea itself flies in my book. It doesn't add as much
knowledge as may be nice to have, but if it adds enough to help pgbench
and ilk without harming others, cool.
-Mike
next prev parent reply other threads:[~2013-07-02 6:29 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-28 5:05 [RFC PATCH] " Michael Wang
2013-06-03 2:28 ` Michael Wang
2013-06-03 3:09 ` Mike Galbraith
2013-06-03 3:26 ` Michael Wang
2013-06-03 3:53 ` Mike Galbraith
2013-06-03 4:52 ` Michael Wang
2013-06-03 5:22 ` Mike Galbraith
2013-06-03 5:50 ` Michael Wang
2013-06-03 6:05 ` Mike Galbraith
2013-06-03 6:31 ` Michael Wang
2013-06-13 3:09 ` Michael Wang
2013-07-02 4:43 ` [PATCH] " Michael Wang
2013-07-02 5:38 ` Mike Galbraith
2013-07-02 5:50 ` Michael Wang
2013-07-02 5:54 ` Mike Galbraith
2013-07-02 6:17 ` Michael Wang
2013-07-02 6:29 ` Mike Galbraith [this message]
2013-07-02 6:45 ` Michael Wang
2013-07-02 8:52 ` Peter Zijlstra
2013-07-02 9:35 ` Michael Wang
2013-07-02 9:44 ` Michael Wang
2013-07-04 9:13 ` Peter Zijlstra
2013-07-04 9:38 ` Michael Wang
2013-07-04 10:33 ` Mike Galbraith
2013-07-05 2:47 ` Michael Wang
2013-07-05 4:08 ` Mike Galbraith
2013-07-05 4:33 ` Michael Wang
2013-07-05 5:41 ` Mike Galbraith
2013-07-05 6:16 ` Michael Wang
2013-07-07 6:43 ` Mike Galbraith
2013-07-08 2:49 ` Michael Wang
2013-07-08 3:12 ` Mike Galbraith
2013-07-08 8:21 ` Peter Zijlstra
2013-07-08 8:49 ` Mike Galbraith
2013-07-08 9:08 ` Michael Wang
2013-07-08 8:58 ` Michael Wang
2013-07-08 18:59 ` Davidlohr Bueso
2013-07-09 2:30 ` Michael Wang
2013-07-09 2:36 ` Davidlohr Bueso
2013-07-09 2:52 ` Michael Wang
2013-07-15 5:13 ` Michael Wang
2013-07-15 5:57 ` Davidlohr Bueso
2013-07-15 6:01 ` Michael Wang
2013-07-18 2:15 ` Michael Wang
2013-07-03 6:10 ` [PATCH v2] " Michael Wang
2013-07-03 8:50 ` Peter Zijlstra
2013-07-03 9:11 ` 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=1372746555.7363.147.camel@marge.simpson.net \
--to=efault@gmx.de \
--cc=akpm@linux-foundation.org \
--cc=alex.shi@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxram@us.ibm.com \
--cc=mingo@kernel.org \
--cc=namhyung@kernel.org \
--cc=nikunj@linux.vnet.ibm.com \
--cc=peterz@infradead.org \
--cc=pjt@google.com \
--cc=wangyun@linux.vnet.ibm.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
all inboxes | Powered by JetHome®