From: Mike Galbraith <efault@gmx.de>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
Tony Lindgren <tony@atomide.com>
Subject: Re: [RFC PATCH] sched: START_NICE feature (temporarily niced forks) (v4)
Date: Wed, 22 Sep 2010 13:51:04 +0200 [thread overview]
Message-ID: <1285156264.7428.18.camel@marge.simson.net> (raw)
In-Reply-To: <1285077844.24680.176.camel@marge.simson.net>
On Tue, 2010-09-21 at 16:04 +0200, Mike Galbraith wrote:
> Perhaps take that vslice penalty, apply it to parent and child, and if
> present, deduct sleep time from their debt, and only credit sleep time
> if there's anything left over? In any case, seems to me that sleep time
> has to be included in the equation while the penalty is in effect.
>
> Guess I'll try that, see what happens.
Nothing good. Several flavors thereof.
> (but that will likely negate much of the benefit for your testcase,
> where parent and child sleep)
(yup, it did)
BTTODB.
-Mike
next prev parent reply other threads:[~2010-09-22 11:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-20 19:19 [RFC PATCH] sched: START_NICE feature (temporarily niced forks) (v4) Mathieu Desnoyers
2010-09-21 12:01 ` Mike Galbraith
2010-09-21 14:04 ` Mike Galbraith
2010-09-22 11:51 ` Mike Galbraith [this message]
2010-09-21 22:01 ` Jake Edge
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