linux-kernel - RE: Mainline kernel OLTP performance update

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Date:	Wed, 6 May 2009 11:19:28 -0700
From:	"Styner, Douglas W" <douglas.w.styner@...el.com>
To:	Anirban Chakraborty <anirban.chakraborty@...gic.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"Tripathi, Sharad C" <sharad.c.tripathi@...el.com>,
	"arjan@...ux.intel.com" <arjan@...ux.intel.com>,
	"Wilcox, Matthew R" <matthew.r.wilcox@...el.com>,
	"Kleen, Andi" <andi.kleen@...el.com>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	"Ma, Chinang" <chinang.ma@...el.com>,
	"Wang, Peter Xihong" <peter.xihong.wang@...el.com>,
	"Nueckel, Hubert" <hubert.nueckel@...el.com>,
	"Recalde, Luis F" <luis.f.recalde@...el.com>,
	"Nelson, Doug" <doug.nelson@...el.com>,
	"Cheng, Wu-sun" <wu-sun.cheng@...el.com>,
	"Prickett, Terry O" <terry.o.prickett@...el.com>,
	"Shunmuganathan, Rajalakshmi" <rajalakshmi.shunmuganathan@...el.com>,
	"Garg, Anil K" <anil.k.garg@...el.com>,
	"Chilukuri, Harita" <harita.chilukuri@...el.com>,
	"chris.mason@...cle.com" <chris.mason@...cle.com>
Subject: RE: Mainline kernel OLTP performance update

Anirban Chakraborty <anirban.chakraborty@...gic.com> writes:
>However, I do notice that profiling report generated is not consistent all
>the time. Not sure, if I am missing something in my setup. Sometimes, I do
>see following type of error messages popping up while running opreport.
>warning: [vdso] (tgid:30873 range:0x7fff6a9fe000-0x7fff6a9ff000) could not
>be found.

I am not seeing this error in our setup.

>I was wondering if your kernel config is quite different from mine. I have
>attached my kernel config file.

I noticed a number of differences; I am attaching our config.  We move our config file from one kernel to the next, updating it with changes from each kernel.

Download attachment "2.6.30-rc4.config" of type "application/octet-stream" (81684 bytes)