From: Peter Zijlstra <peterz@infradead.org>
To: Rohit Jain <rohit.k.jain@oracle.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
vincent.guittot@linaro.org, morten.rasmussen@arm.com,
dietmar.eggemann@arm.com
Subject: Re: [PATCH] sched: Introduce scaled capacity awareness in enqueue
Date: Thu, 1 Jun 2017 14:28:27 +0200 [thread overview]
Message-ID: <20170601122827.5ptc3n47vvk2y7k7@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <63736e6f-37e6-e287-a920-56ab0d0586b7@oracle.com>
On Wed, May 31, 2017 at 03:19:46PM -0700, Rohit Jain wrote:
> > > 2) This scaled capacity is normalized and mapped into buckets.
> > Why?
>
> This is done to deterministically define the CPUs which are low on
> capacities. By mapping it into buckets it becomes easier to do a
> percentile calculation.
*sigh*, you're really going to make me read and reverse engineer your
horrible code.. :/
next prev parent reply other threads:[~2017-06-01 12:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 20:48 Rohit Jain
2017-05-30 12:28 ` Peter Zijlstra
2017-05-31 22:19 ` Rohit Jain
2017-06-01 12:28 ` Peter Zijlstra [this message]
2017-06-01 12:37 ` Peter Zijlstra
2017-06-02 18:20 ` Rohit Jain
2017-06-02 18:26 ` Peter Zijlstra
2017-06-05 18:08 ` Rohit Jain
2017-06-12 15:36 ` Peter Zijlstra
2017-06-13 0:31 ` Rohit Jain
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