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DateSun, 8 Jan 2006 07:58:09 +0100
FromMarkus Rechberger <>
SubjectRe: Why is 2.4.32 four times faster than 2.6.14.6??
Hi,

what does hdparm show up?
Were there any other processes running during the test?
what does "vmstat 1" show up during the test?

Markus

On 1/8/06, Grant Coady <gcoady@gmail.com> wrote:
> Hi there,
>
> Recently I started testing 2.6 stable on my firewall box here, I
> work via ssh terminals to firewall and have a good feel for the
> CLI responsiveness.
>
> The test?  Just a simple display the apache access log, but it is
> very slow with 2.6 kernels (2.6.14.5, 2.6.14.6, 2.6.15):
>
> 2.4.32-hf32.1:
> grant@deltree:~$ time grep -v 192\.168\. /var/log/apache/access_log |cut -c-96
> [...]
> 2006-01-08 14:38:52 +1100: bugsplatter.mine.nu 207.46.98.39 "GET /test/linux-2.6/sempro/ HTTP/1.
>
> real    0m1.562s
> user    0m0.600s
> sys     0m0.310s
>
> 2.6.14.6:
> grant@deltree:~$ time grep -v 192\.168\. /var/log/apache/access_log |cut -c-96
> [...]
> 2006-01-08 14:38:52 +1100: bugsplatter.mine.nu 207.46.98.39 "GET /test/linux-2.6/sempro/ HTTP/1.
>
> real    0m6.318s
> user    0m0.690s
> sys     0m1.140s
>
> grant@deltree:~$ /sbin/lspci
> 00:00.0 Host bridge: Intel Corporation 430FX - 82437FX TSC [Triton I] (rev 02)
> 00:07.0 ISA bridge: Intel Corporation 82371FB PIIX ISA [Triton I] (rev 02)
> 00:07.1 IDE interface: Intel Corporation 82371FB PIIX IDE [Triton I] (rev 02)
> 00:0d.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08)
> 00:0e.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08)
> 00:10.0 VGA compatible controller: S3 Inc. 86c764/765 [Trio32/64/64V+] (rev 44)
>
> dmesg + .config on: http://bugsplatter.mine.nu/test/boxen/deltree/
>
> --
> Thanks,
> Grant.
> http://bugsplatter.mine.nu/
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--
Markus Rechberger
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