All of lore.kernel.org
 help / color / mirror / Atom feed
From: Paul Turner <pjt@google.com>
To: Alex Shi <lkml.alex@gmail.com>
Cc: Alex Shi <alex.shi@intel.com>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Arjan van de Ven <arjan@linux.intel.com>,
	Borislav Petkov <bp@alien8.de>,
	Namhyung Kim <namhyung@kernel.org>,
	Mike Galbraith <efault@gmx.de>,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Preeti U Murthy <preeti@linux.vnet.ibm.com>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Len Brown <len.brown@intel.com>,
	rafael.j.wysocki@intel.com, jkosina@suse.cz,
	Clark Williams <clark.williams@gmail.com>,
	"tony.luck@intel.com" <tony.luck@intel.com>,
	keescook@chromium.org, Mel Gorman <mgorman@suse.de>,
	Rik van Riel <riel@redhat.com>
Subject: Re: [Resend patch v8 0/13] use runnable load in schedule balance
Date: Fri, 28 Jun 2013 09:00:39 -0700	[thread overview]
Message-ID: <CAPM31R+DrqbK3bRwBBSFL3U+HgYHie4KaARqkYnxt0FOpLxrKQ@mail.gmail.com> (raw)
In-Reply-To: <CAGjg+kGUo8vqv6hzobuyNoQjipLBXXofZ5q1rUyEehbD3cba9A@mail.gmail.com>

On Fri, Jun 28, 2013 at 6:20 AM, Alex Shi <lkml.alex@gmail.com> wrote:
>
>> So this is actually an interesting idea, but don't think of it as
>> overweight.  What "cfs_rq->blocked_load_avg / 2" means is actually
>> blocked_load_avg one period from now.  This is interesting because it
>> makes the (reasonable) supposition that blocked load is not about to
>> immediately wake, but will continue to decay.
>>
>> Could you try testing the gvr_lb_tip branch at
>> git://git.kernel.org/pub/scm/linux/kernel/git/pjt/sched-tip.git ?
>>
>
> Could you rebase the patch on latest tip/sched/core?

I suspect it's more direct to just check out and test the branch
directly (e.g. you should not need to apply it on top of any other
branch).  It should be based on round-about where you previously
tested.

>
>>
>> It's an extension to your series that tries to improve some of the
>> cpu_load interactions in an alternate way to the above.
>>
>> It seems a little better on one and two-socket machines; but we
>> couldn't reproduce/compare to your best performance results since they
>> were taken on larger machines.
>>
>>
>
> --
> Thanks
>     Alex

  parent reply	other threads:[~2013-06-28 16:01 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-20  2:18 [Resend patch v8 0/13] use runnable load in schedule balance Alex Shi
2013-06-20  2:18 ` [Resend patch v8 01/13] Revert "sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking" Alex Shi
2013-06-26  5:05   ` Alex Shi
2013-06-26 20:30     ` Ingo Molnar
2013-06-27  1:07       ` Alex Shi
2013-06-27  9:01     ` [tip:sched/core] " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 02/13] sched: move few runnable tg variables into CONFIG_SMP Alex Shi
2013-06-27  9:01   ` [tip:sched/core] sched: Move a " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 03/13] sched: set initial value of runnable avg for new forked task Alex Shi
2013-06-27  9:01   ` [tip:sched/core] sched: Set an " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 04/13] sched: fix slept time double counting in enqueue entity Alex Shi
2013-06-27  9:01   ` [tip:sched/core] sched: Fix sleep time double accounting " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 05/13] sched: update cpu load after task_tick Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched: Update " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 06/13] sched: compute runnable load avg in cpu_load and cpu_avg_load_per_task Alex Shi
2013-06-20 13:29   ` Vincent Guittot
2013-06-24  9:06   ` Alex Shi
2013-06-24 10:54     ` Paul Turner
2013-06-24 11:04     ` Vincent Guittot
2013-06-24 11:06       ` Paul Turner
2013-06-24 14:56         ` Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched: Compute " tip-bot for Alex Shi
2013-06-27 13:30   ` [Resend patch v8 06/13] sched: compute " Alex Shi
2013-06-20  2:18 ` [Resend patch v8 07/13] sched: consider runnable load average in move_tasks Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched: Consider runnable load average in move_tasks() tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 08/13] sched/tg: remove blocked_load_avg in balance Alex Shi
2013-06-20  2:18 ` [Resend patch v8 09/13] sched: change cfs_rq load avg to unsigned long Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched: Change " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 10/13] sched/tg: use 'unsigned long' for load variable in task group Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched/tg: Use " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 11/13] sched/cfs_rq: change atomic64_t removed_load to atomic_long_t Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched/cfs_rq: Change " tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 12/13] sched/tg: remove tg.load_weight Alex Shi
2013-06-27  9:02   ` [tip:sched/core] sched/tg: Remove tg.load_weight tip-bot for Alex Shi
2013-06-20  2:18 ` [Resend patch v8 13/13] sched: get_rq_runnable_load() can be static and inline Alex Shi
2013-06-27  9:03   ` [tip:sched/core] sched: Change get_rq_runnable_load() to " tip-bot for Alex Shi
2013-06-24  3:15 ` [Resend patch v8 0/13] use runnable load in schedule balance Alex Shi
2013-06-24 10:40   ` Paul Turner
2013-06-24 15:37     ` Alex Shi
2013-06-25 13:13       ` Alex Shi
2013-06-28 10:56       ` Paul Turner
2013-06-28 11:07         ` Peter Zijlstra
2013-06-28 11:12           ` Alex Shi
2013-10-28 10:25           ` Frederic Weisbecker
2013-10-28 12:22             ` Peter Zijlstra
     [not found]         ` <CAGjg+kGUo8vqv6hzobuyNoQjipLBXXofZ5q1rUyEehbD3cba9A@mail.gmail.com>
2013-06-28 16:00           ` Paul Turner [this message]
2013-07-09  8:53             ` Alex Shi
2013-06-26 14:27 ` Peter Zijlstra
2013-06-26 15:23   ` Alex Shi

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=CAPM31R+DrqbK3bRwBBSFL3U+HgYHie4KaARqkYnxt0FOpLxrKQ@mail.gmail.com \
    --to=pjt@google.com \
    --cc=akpm@linux-foundation.org \
    --cc=alex.shi@intel.com \
    --cc=arjan@linux.intel.com \
    --cc=bp@alien8.de \
    --cc=clark.williams@gmail.com \
    --cc=efault@gmx.de \
    --cc=gregkh@linuxfoundation.org \
    --cc=jkosina@suse.cz \
    --cc=keescook@chromium.org \
    --cc=len.brown@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lkml.alex@gmail.com \
    --cc=mgorman@suse.de \
    --cc=mingo@redhat.com \
    --cc=morten.rasmussen@arm.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=preeti@linux.vnet.ibm.com \
    --cc=rafael.j.wysocki@intel.com \
    --cc=riel@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=vincent.guittot@linaro.org \
    --cc=viresh.kumar@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.