From: Daniel Bristot de Oliveira <bristot@redhat.com>
To: Juri Lelli <juri.lelli@arm.com>, Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Juri Lelli <juri.lelli@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Clark Williams <williams@redhat.com>,
John Kacur <jkacur@redhat.com>
Subject: Re: [PATCH] sched/deadline: Always calculate end of period on sched_yield()
Date: Mon, 15 Feb 2016 10:37:25 -0200 [thread overview]
Message-ID: <56C1C685.6030601@redhat.com> (raw)
In-Reply-To: <20160215101824.GD22643@pablo>
On 02/15/2016 08:18 AM, Juri Lelli wrote:
> Do you think we could also skip some of the
> following updates/accounting in this case? Not sure we win anything by
> doing that, though.
I reviewed rostedt's patch and the following updates/accounting
operations. I agree with rostedt's patch, and also agree that
if (delta_exec == 0) it is a good idea to skip some += 0 and
function calls of the next updates/accounting operations,
before the if (dl_runtime_exeeded...).
next prev parent reply other threads:[~2016-02-15 12:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-12 23:10 [PATCH] sched/deadline: Always calculate end of period on sched_yield() Steven Rostedt
2016-02-15 10:18 ` Juri Lelli
2016-02-15 12:37 ` Daniel Bristot de Oliveira [this message]
2016-02-15 16:22 ` Steven Rostedt
2016-02-23 12:28 ` Peter Zijlstra
2016-02-23 13:12 ` Steven Rostedt
2016-02-23 15:04 ` Steven Rostedt
2016-02-29 11:14 ` [tip:sched/core] " tip-bot for Peter Zijlstra
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