From: Jens Axboe <axboe@suse.de>
To: Con Kolivas <ckolivas@yahoo.com.au>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] 2.5.60-cfq with contest
Date: Tue, 11 Feb 2003 11:59:44 +0100 [thread overview]
Message-ID: <20030211105944.GB930@suse.de> (raw)
In-Reply-To: <200302112155.17048.ckolivas@yahoo.com.au>
On Tue, Feb 11 2003, Con Kolivas wrote:
> Here's a quick set of the relevant results with the untuned CFQ by Jens:
Thanks!
> ctar_load:
> Kernel [runs] Time CPU% Loads LCPU% Ratio
> 2.5.60 2 99 78.8 1.0 4.0 1.25
> 2.5.60-cfq 1 101 78.2 1.0 4.0 1.28
> xtar_load:
> Kernel [runs] Time CPU% Loads LCPU% Ratio
> 2.5.60 2 101 76.2 1.0 5.0 1.28
> 2.5.60-cfq 1 115 66.1 1.0 4.3 1.46
> io_load:
> Kernel [runs] Time CPU% Loads LCPU% Ratio
> 2.5.60 2 139 54.7 29.0 12.1 1.76
> 2.5.60-cfq 1 606 12.7 212.0 21.6 7.67
> io_other:
> Kernel [runs] Time CPU% Loads LCPU% Ratio
> 2.5.60 2 90 83.3 10.8 5.5 1.14
> 2.5.60-cfq 1 89 84.3 10.8 5.6 1.13
> read_load:
> Kernel [runs] Time CPU% Loads LCPU% Ratio
> 2.5.60 2 103 74.8 6.2 6.8 1.30
> 2.5.60-cfq 1 103 76.7 6.9 5.8 1.30
> list_load:
> Kernel [runs] Time CPU% Loads LCPU% Ratio
> 2.5.60 2 95 80.0 0.0 6.3 1.20
> 2.5.60-cfq 1 95 81.1 0.0 6.3 1.20
>
> Write based loads hurt. No breakages, but needs tuning.
That's not even as bad as I had feared. I'll try to do some tuning with
contest locally.
--
Jens Axboe
next prev parent reply other threads:[~2003-02-11 10:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-11 10:55 [BENCHMARK] 2.5.60-cfq with contest Con Kolivas
2003-02-11 10:59 ` Jens Axboe [this message]
2003-02-11 13:37 ` Jens Axboe
2003-02-11 14:49 ` Jens Axboe
2003-02-12 10:47 ` Con Kolivas
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