netdev - Re: Netperf TCP_RR(loopback) 10% regression in 2.6.24-rc6, comparing with 2.6.22

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Message-ID: <478B9FE0.3040801@hp.com>
Date:	Mon, 14 Jan 2008 09:46:08 -0800
From:	Rick Jones <rick.jones2@...com>
To:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
CC:	LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org
Subject: Re: Netperf TCP_RR(loopback) 10% regression in	2.6.24-rc6,	comparing
 with 2.6.22

>>*) netperf/netserver support CPU affinity within themselves with the 
>>global -T option to netperf.  Is the result with taskset much different? 
>>   The equivalent to the above would be to run netperf with:
>>
>>./netperf -T 0,7 ..
> 
> I checked the source codes and didn't find this option.
> I use netperf V2.3 (I found the number in the makefile).

Indeed, that version pre-dates the -T option.  If you weren't already 
chasing a regression I'd suggest an upgrade to 2.4.mumble.  Once you are 
at a point where changing another variable won't muddle things you may 
want to consider upgrading.

happy benchmarking,

rick jones
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