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Date:	Sat, 07 Jun 2008 18:12:00 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mike Galbraith <efault@....de>
Cc:	Greg Smith <gsmith@...gsmith.com>, Ingo Molnar <mingo@...e.hu>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Subject: Re: [patch part 2] Re: [patch] Re: PostgreSQL pgbench performance
	regression in 2.6.23+

On Sat, 2008-06-07 at 16:54 +0200, Mike Galbraith wrote:
> On Sat, 2008-06-07 at 15:08 +0200, Peter Zijlstra wrote:
> > On Sat, 2008-06-07 at 13:38 +0200, Mike Galbraith wrote:
> > 
> > Interesting.. Looks good.
> 
> In that case it _might_ fly, so needs changelog and blame line.

Just wondering, how much effect does the last_preempter stuff have?, it
seems to me the minimum runtime check ought to throttle these wakeups
quite a bit as well.



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