linux-kernel - Re: Mainline kernel OLTP performance update

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Date:	Fri, 16 Jan 2009 14:59:28 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	Matthew Wilcox <matthew@....cx>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Wilcox, Matthew R" <matthew.r.wilcox@...el.com>,
	chinang.ma@...el.com, linux-kernel@...r.kernel.org,
	sharad.c.tripathi@...el.com, arjan@...ux.intel.com,
	andi.kleen@...el.com, suresh.b.siddha@...el.com,
	harita.chilukuri@...el.com, douglas.w.styner@...el.com,
	peter.xihong.wang@...el.com, hubert.nueckel@...el.com,
	chris.mason@...cle.com, srostedt@...hat.com,
	linux-scsi@...r.kernel.org,
	Andrew Vasquez <andrew.vasquez@...gic.com>,
	Anirban Chakraborty <anirban.chakraborty@...gic.com>
Subject: Re: Mainline kernel OLTP performance update

On Fri, 16 Jan 2009, Pekka Enberg wrote:

> aren't I? There's some scheduler related options such as
> CONFIG_GROUP_SCHED and CONFIG_FAIR_GROUP_SCHED enabled in defconfig
> that I didn't have in the original tests. I can try without them if
> you want but I'm not sure it's relevant for SLAB vs SLUB tests.

I have seen CONFIG_GROUP_SCHED to affect latency tests in significant
ways.

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