From: Peter Zijlstra <peterz@infradead.org>
To: pang.xunlei@zte.com.cn
Cc: Steven Rostedt <rostedt@goodmis.org>,
Juri Lelli <juri.lelli@gmail.com>,
linux-kernel@vger.kernel.org,
Xunlei Pang <pang.xunlei@linaro.org>
Subject: Re: Re: [PATCH v6 2/3] sched/rt: Fix wrong SMP scheduler behavior for equal prio cases
Date: Fri, 24 Apr 2015 20:32:55 +0200 [thread overview]
Message-ID: <20150424183255.GO23123@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <OFE3B71874.C9D81693-ON48257E30.0024F69F-48257E30.0025E2D3@zte.com.cn>
On Thu, Apr 23, 2015 at 02:53:27PM +0800, pang.xunlei@zte.com.cn wrote:
> But for yield() or RR scheduling when running out of time slice,
> I think this would be still inappropriate, am I missing something?
Those two have explicit hooks you can use to do the right queueing with.
Look at yield_task_rt() and task_tick_rt() both end up doing
requeue_task_rt(), which is exactly what you want, no?
next prev parent reply other threads:[~2015-04-24 18:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-20 8:22 [PATCH v6 1/3] lib/plist: Provide plist_add_head() for nodes with the same prio Xunlei Pang
2015-04-20 8:22 ` [PATCH v6 2/3] sched/rt: Fix wrong SMP scheduler behavior for equal prio cases Xunlei Pang
2015-04-20 14:52 ` Steven Rostedt
2015-04-20 17:20 ` Peter Zijlstra
2015-04-20 17:48 ` Steven Rostedt
2015-04-20 23:45 ` Peter Zijlstra
2015-04-21 13:10 ` Steven Rostedt
[not found] ` <OFB1503F16.1E65406F-ON48257E2E.002B562D-48257E30.0008BFEB@zte.com.cn>
2015-04-23 3:01 ` Steven Rostedt
[not found] ` <OFE3B71874.C9D81693-ON48257E30.0024F69F-48257E30.0025E2D3@zte.com.cn>
2015-04-23 13:10 ` Steven Rostedt
2015-04-24 18:32 ` Peter Zijlstra [this message]
[not found] ` <OF0B05B4FE.F40C0BE3-ON48257E32.004EF485-48257E32.00513DB3@zte.com.cn>
2015-04-25 18:23 ` Re: " Peter Zijlstra
[not found] ` <OFD410EB1E.5A02675A-ON48257E33.00309252-48257E33.003641FF@zte.com.cn>
2015-04-26 15:58 ` Steven Rostedt
2015-04-28 10:19 ` Peter Zijlstra
2015-04-28 12:48 ` Mike Galbraith
2015-04-20 8:22 ` [PATCH v6 3/3] sched/rt: Check to push the task when changing its affinity Xunlei Pang
2015-04-20 16:06 ` Steven Rostedt
2015-04-20 14:42 ` [PATCH v6 1/3] lib/plist: Provide plist_add_head() for nodes with the same prio Steven Rostedt
2015-04-20 14:48 ` Steven Rostedt
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