From: Peter Zijlstra <peterz@infradead.org>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org, Mike Galbraith <efault@gmx.de>,
Paul Turner <pjt@google.com>, Alex Shi <alex.shi@intel.com>,
Preeti U Murthy <preeti@linux.vnet.ibm.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Namhyung Kim <namhyung@kernel.org>
Subject: Re: [PATCH 2/5] sched: factor out code to should_we_balance()
Date: Tue, 02 Apr 2013 12:00:13 +0200 [thread overview]
Message-ID: <1364896813.18374.0.camel@laptop> (raw)
In-Reply-To: <20130402095034.GG16699@lge.com>
On Tue, 2013-04-02 at 18:50 +0900, Joonsoo Kim wrote:
>
> It seems that there is some misunderstanding about this patch.
> In this patch, we don't iterate all groups. Instead, we iterate on
> cpus of local sched_group only. So there is no penalty you mentioned.
OK, I'll go stare at it again..
next prev parent reply other threads:[~2013-04-02 10:00 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-28 7:58 [PATCH 0/5] optimization, clean-up, correctness about fair.c Joonsoo Kim
2013-03-28 7:58 ` [PATCH 1/5] sched: remove one division operation in find_buiest_queue() Joonsoo Kim
2013-03-28 7:58 ` [PATCH 2/5] sched: factor out code to should_we_balance() Joonsoo Kim
2013-03-29 11:45 ` Peter Zijlstra
2013-04-01 5:10 ` Joonsoo Kim
2013-03-29 11:58 ` Peter Zijlstra
2013-04-01 5:16 ` Joonsoo Kim
2013-04-02 8:10 ` Peter Zijlstra
2013-04-02 9:50 ` Joonsoo Kim
2013-04-02 10:00 ` Peter Zijlstra [this message]
2013-04-02 10:29 ` Peter Zijlstra
2013-04-04 0:55 ` Joonsoo Kim
2013-03-28 7:58 ` [PATCH 3/5] sched: clean-up struct sd_lb_stat Joonsoo Kim
2013-03-28 7:58 ` [PATCH 4/5] sched: don't consider upper se in sched_slice() Joonsoo Kim
2013-03-29 7:12 ` Preeti U Murthy
2013-04-01 4:08 ` Joonsoo Kim
2013-04-01 7:06 ` Preeti U Murthy
2013-04-02 2:25 ` Joonsoo Kim
2013-04-02 2:35 ` Mike Galbraith
2013-04-02 9:35 ` Joonsoo Kim
2013-04-02 4:55 ` Preeti U Murthy
2013-04-02 9:26 ` Joonsoo Kim
2013-04-02 17:32 ` Preeti U Murthy
2013-04-04 0:42 ` Joonsoo Kim
2013-04-04 6:48 ` Preeti U Murthy
2013-04-05 2:06 ` Joonsoo Kim
2013-03-28 7:58 ` [PATCH 5/5] sched: limit sched_slice if it is more than sysctl_sched_latency Joonsoo Kim
2013-03-29 11:35 ` Preeti U Murthy
2013-04-01 5:09 ` Joonsoo Kim
2013-04-01 6:45 ` Preeti U Murthy
2013-04-02 2:02 ` Joonsoo Kim
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