netdev - Re: [tbench regression fixes]: digging out smelly deadmen.

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Message-Id: <1225134690.4942.11.camel@marge.simson.net>
Date:	Mon, 27 Oct 2008 20:11:30 +0100
From:	Mike Galbraith <efault@....de>
To:	Rick Jones <rick.jones2@...com>
Cc:	David Miller <davem@...emloft.net>, rjw@...k.pl, mingo@...e.hu,
	s0mbre@...rvice.net.ru, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [tbench regression fixes]: digging out smelly deadmen.

On Mon, 2008-10-27 at 10:26 -0700, Rick Jones wrote:
> Mike Galbraith wrote:
> > That's exactly what I've been trying to look into, but combined with
> > netperf.  The thing is an incredibly twisted maze of _this_ affects
> > _that_... sometimes involving magic and/or mythical creatures.
> 
> I cannot guarantee it will help, but the global -T option to pin netperf 
> or netserver to a specific CPU might help cut-down the variables.

Yup, and how.  Early on, the other variables drove me bat-shit frigging
_nuts_.  I eventually selected a UP config to test _because_ those other
variables combined with SMP overhead and config options drove crazy ;-) 

> FWIW netperf top of trunk omni tests can now also determine and report 
> the state of SELinux.  They also have code to accept or generate their 
> own RFC4122-esque UUID.  Define some connical tests and then ever closer 
> to just needing some database-fu and automagic testing I suppose... 
> things I do not presently posess but am curious enough to follow some 
> pointers.

Hrm. I'm going to have to save that, and parse a few times. (usual)

> happy benchmarking,

Not really, but I can't seem to give up ;-)

	-Mike

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