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Date: Mon, 23 Apr 2007 03:25:09 +0200
From: Nick Piggin <npiggin@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Con Kolivas <kernel@kolivas.org>, Mike Galbraith <efault@gmx.de>,
       Arjan van de Ven <arjan@infradead.org>,
       Peter Williams <pwil3058@bigpond.net.au>,
       Thomas Gleixner <tglx@linutronix.de>, caglar@pardus.org.tr,
       Willy Tarreau <w@1wt.eu>, Gene Heskett <gene.heskett@gmail.com>,
       Mark Lord <lkml@rtr.ca>, Ulrich Drepper <drepper@redhat.com>
Subject: Re: [patch] CFS scheduler, -v5
Message-ID: <20070423012509.GA25162@wotan.suse.de>
References: <20070420140457.GA14017@elte.hu> <20070423011229.GA20367@elte.hu>
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On Mon, Apr 23, 2007 at 03:12:29AM +0200, Ingo Molnar wrote:
> 
> i'm pleased to announce release -v5 of the CFS scheduler patchset. The 
> patch against v2.6.21-rc7 and v2.6.20.7 can be downloaded from:
> 
>     http://redhat.com/~mingo/cfs-scheduler/
> 
> this CFS release mainly fixes regressions and improves interactivity:
> 
>     13 files changed, 211 insertions(+), 199 deletions(-)
> 
> the biggest user-visible change in -v5 are various interactivity 
> improvements (especially under higher load) to fix reported regressions, 
> and an improved way of handling nice levels. There's also a new 
> sys_sched_yield_to() syscall implementation for i686 and x86_64.
> 
> All known regressions have been fixed. (knock on wood)

I think the granularity is still much too low. Why not increase it to
something more reasonable as a default?