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From: Andrew Morton <akpm@osdl.org>
To: Gautam H Thaker <gthaker@atl.lmco.com>
Cc: mingo@elte.hu, gautam.h.thaker@lmco.com, linux-kernel@vger.kernel.org
Subject: Re: ~5x greater CPU load for a networked application when using 2.6.15-rt15-smp vs. 2.6.12-1.1390_FC4
Date: Fri, 24 Feb 2006 12:31:29 -0800	[thread overview]
Message-ID: <20060224123129.4ec024d4.akpm@osdl.org> (raw)
In-Reply-To: <43FF675A.6080305@atl.lmco.com>

Gautam H Thaker <gthaker@atl.lmco.com> wrote:
>
> > http://www.zip.com.au/~akpm/linux/#zc  <- better ;)
> 
>  Andrew,
> 
>  I read the README for the "zc" tests. I wish Ingo can opine on which may be a
>  better test. Also, i assume that I can run "zcs" and "zcc" on the same
>  machine. I would do the tests with "send" instead of "sendfile".

Oh.  I don't actually remember what zc does.  I was actually referring to
`cyclesoak', which has proven to be a pretty accurate (or at least,
sensitive and repeatable) way of determining overall per-CPU system load.

  reply	other threads:[~2006-02-24 20:32 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-23 19:55 ~5x greater CPU load for a networked application when using 2.6.15-rt15-smp vs. 2.6.12-1.1390_FC4 Gautam H Thaker
2006-02-23 20:15 ` Benjamin LaHaise
2006-02-23 20:58 ` Ingo Molnar
2006-02-23 21:06   ` Nish Aravamudan
2006-02-23 21:08     ` Ingo Molnar
2006-02-23 21:14       ` Nish Aravamudan
2006-02-23 22:07         ` Esben Nielsen
2006-02-24  8:03       ` Jan Engelhardt
2006-02-24 12:11   ` Andrew Morton
2006-02-24 20:06     ` Gautam H Thaker
2006-02-24 20:31       ` Andrew Morton [this message]
2006-02-24 20:44         ` Gautam H Thaker
2006-02-24 16:52 ` Theodore Ts'o
2006-02-24 19:25   ` Gautam H Thaker
2006-02-28 19:27 ` Matt Mackall
2006-02-28 22:19   ` Gautam H Thaker
  -- strict thread matches above, loose matches on Subject: below --
2006-07-11 18:08 Jonathan Walsh

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