From: Yuyang Du <yuyang.du@intel.com>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
LAK <linux-arm-kernel@lists.infradead.org>,
Preeti U Murthy <preeti@linux.vnet.ibm.com>,
Morten Rasmussen <Morten.Rasmussen@arm.com>,
Mike Galbraith <efault@gmx.de>,
Nicolas Pitre <nicolas.pitre@linaro.org>,
"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>
Subject: Re: [PATCH v3 09/12] Revert "sched: Put rq's sched_avg under CONFIG_FAIR_GROUP_SCHED"
Date: Fri, 18 Jul 2014 09:27:52 +0800 [thread overview]
Message-ID: <20140718012752.GE2901@intel.com> (raw)
In-Reply-To: <53C41943.2000601@arm.com>
On Mon, Jul 14, 2014 at 06:54:11PM +0100, Dietmar Eggemann wrote:
> __update_entity_runnable_avg() has an additional parameter 'running' so
> that it can be called for
>
> a) sched_entities in update_entity_load_avg():
>
> __update_entity_runnable_avg(..., se->on_rq, cfs_rq->curr == se))
>
>
> b) rq's in update_rq_runnable_avg():
>
> __update_entity_runnable_avg(..., runnable, runnable);
>
> I can see how it gives us two different signals for a sched_entity but
> for a rq?
>
For rq,
__update_entity_runnable_avg(..., runnable, runnable > 0)
Then, first one would be effectively CPU ConCurrency (fair and !fair) and
second one would be CPU (has task) running (or about CPU utilization for
fair and !fair), :)
Thanks,
Yuyang
next prev parent reply other threads:[~2014-07-18 9:30 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-30 16:05 [PATCH v3 00/12] sched: consolidation of cpu_power Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 01/12] sched: fix imbalance flag reset Vincent Guittot
2014-07-08 3:13 ` Preeti U Murthy
2014-07-08 10:12 ` Vincent Guittot
2014-07-09 3:54 ` Preeti U Murthy
2014-07-09 8:27 ` Vincent Guittot
2014-07-09 10:43 ` Peter Zijlstra
2014-07-09 11:41 ` Preeti U Murthy
2014-07-09 14:44 ` Peter Zijlstra
2014-07-10 9:14 ` Vincent Guittot
2014-07-10 9:30 ` [PATCH v4 ] " Vincent Guittot
2014-07-10 10:57 ` Preeti U Murthy
2014-07-10 11:04 ` [PATCH v3 01/12] " Preeti U Murthy
2014-07-09 3:05 ` Rik van Riel
2014-07-09 3:36 ` Rik van Riel
2014-07-09 10:14 ` Peter Zijlstra
2014-07-09 10:30 ` Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 02/12] sched: remove a wake_affine condition Vincent Guittot
2014-07-09 3:06 ` Rik van Riel
2014-06-30 16:05 ` [PATCH v3 03/12] sched: fix avg_load computation Vincent Guittot
2014-07-09 3:10 ` Rik van Riel
2014-06-30 16:05 ` [PATCH v3 04/12] sched: Allow all archs to set the power_orig Vincent Guittot
2014-07-09 3:11 ` Rik van Riel
2014-07-09 10:57 ` Peter Zijlstra
2014-07-10 13:42 ` Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 05/12] ARM: topology: use new cpu_power interface Vincent Guittot
2014-07-09 3:11 ` Rik van Riel
2014-07-09 7:49 ` Amit Kucheria
2014-07-09 10:09 ` Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 06/12] sched: add per rq cpu_power_orig Vincent Guittot
2014-07-09 3:11 ` Rik van Riel
2014-07-09 7:50 ` Amit Kucheria
2014-06-30 16:05 ` [PATCH v3 07/12] sched: test the cpu's capacity in wake affine Vincent Guittot
2014-07-09 3:12 ` Rik van Riel
2014-07-10 11:06 ` Peter Zijlstra
2014-07-10 13:58 ` Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 08/12] sched: move cfs task on a CPU with higher capacity Vincent Guittot
2014-07-10 11:18 ` Peter Zijlstra
2014-07-10 14:03 ` Vincent Guittot
2014-07-11 14:51 ` Peter Zijlstra
2014-07-11 15:17 ` Vincent Guittot
2014-07-14 13:51 ` Peter Zijlstra
2014-07-15 9:21 ` Vincent Guittot
2014-07-10 11:24 ` Peter Zijlstra
2014-07-10 13:59 ` Vincent Guittot
2014-07-10 11:31 ` Peter Zijlstra
2014-06-30 16:05 ` [PATCH v3 09/12] Revert "sched: Put rq's sched_avg under CONFIG_FAIR_GROUP_SCHED" Vincent Guittot
2014-07-10 13:16 ` Peter Zijlstra
2014-07-11 7:51 ` Vincent Guittot
2014-07-11 15:13 ` Peter Zijlstra
2014-07-11 17:39 ` Vincent Guittot
2014-07-11 20:12 ` Peter Zijlstra
2014-07-14 12:55 ` Morten Rasmussen
2014-07-14 13:20 ` Peter Zijlstra
2014-07-14 14:04 ` Morten Rasmussen
2014-07-14 16:22 ` Peter Zijlstra
2014-07-15 9:20 ` Vincent Guittot
2014-07-14 17:54 ` Dietmar Eggemann
2014-07-18 1:27 ` Yuyang Du [this message]
2014-07-11 16:13 ` Morten Rasmussen
2014-07-15 9:27 ` Vincent Guittot
2014-07-15 9:32 ` Morten Rasmussen
2014-07-15 9:53 ` Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 10/12] sched: get CPU's utilization statistic Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 11/12] sched: replace capacity_factor by utilization Vincent Guittot
2014-06-30 16:05 ` [PATCH v3 12/12] sched: add SD_PREFER_SIBLING for SMT level Vincent Guittot
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=20140718012752.GE2901@intel.com \
--to=yuyang.du@intel.com \
--cc=Morten.Rasmussen@arm.com \
--cc=daniel.lezcano@linaro.org \
--cc=dietmar.eggemann@arm.com \
--cc=efault@gmx.de \
--cc=linaro-kernel@lists.linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=mingo@kernel.org \
--cc=nicolas.pitre@linaro.org \
--cc=peterz@infradead.org \
--cc=preeti@linux.vnet.ibm.com \
--cc=vincent.guittot@linaro.org \
/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