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From: Peter Zijlstra <peterz@infradead.org>
To: vatsa@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	Mike Galbraith <efault@gmx.de>,
	Dmitry Adamushko <dmitry.adamushko@gmail.com>
Subject: Re: [PATCH 2/6] sched: make sched_slice() group scheduling savvy
Date: Thu, 01 Nov 2007 13:03:18 +0100	[thread overview]
Message-ID: <1193918598.27652.262.camel@twins> (raw)
In-Reply-To: <1193918299.27652.260.camel@twins>

On Thu, 2007-11-01 at 12:58 +0100, Peter Zijlstra wrote:

> > sched_slice() is about lantecy, its intended purpose is to ensure each
> > task is ran exactly once during sched_period() - which is
> > sysctl_sched_latency when nr_running <= sysctl_sched_nr_latency, and
> > otherwise linearly scales latency.

The thing that got my brain in a twist is what to do about the non-leaf
nodes, for those it seems I'm not doing the right thing - I think.


  reply	other threads:[~2007-11-01 12:03 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-31 21:10 [PATCH 0/6] various scheduler patches Peter Zijlstra
2007-10-31 21:10 ` [PATCH 1/6] sched: move the group scheduling primitives around Peter Zijlstra
2007-10-31 21:10 ` [PATCH 2/6] sched: make sched_slice() group scheduling savvy Peter Zijlstra
2007-11-01 11:31   ` Srivatsa Vaddagiri
2007-11-01 11:51     ` Peter Zijlstra
2007-11-01 11:58       ` Peter Zijlstra
2007-11-01 12:03         ` Peter Zijlstra [this message]
2007-11-01 12:20           ` Peter Zijlstra
2007-11-01 16:31             ` Srivatsa Vaddagiri
2007-11-01 16:55               ` Peter Zijlstra
2007-10-31 21:10 ` [PATCH 3/6] sched: high-res preemption tick Peter Zijlstra
2007-10-31 21:53   ` Andi Kleen
2007-10-31 22:04     ` Peter Zijlstra
2007-11-01 10:12     ` Peter Zijlstra
2007-10-31 21:10 ` [PATCH 4/6] sched: sched_rt_entity Peter Zijlstra
2007-10-31 21:10 ` [PATCH 5/6] sched: SCHED_FIFO/SCHED_RR watchdog timer Peter Zijlstra
2007-10-31 21:49   ` Andi Kleen
2007-10-31 22:03     ` Peter Zijlstra
2007-11-03 18:16       ` Andi Kleen
2007-10-31 21:10 ` [PATCH 6/6] sched: place_entity() comments Peter Zijlstra
2007-11-01  8:29 ` [PATCH 0/6] various scheduler patches Ingo Molnar
2007-11-01 10:08   ` Peter Zijlstra

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