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List: linux-cifs-client
Subject: [linux-cifs-client] cifs performance on linux 2.4 ?
From: Steven Scholz <steven.scholz () imc-berlin ! de>
Date: 2006-08-23 11:53:07
Message-ID: 44EC41A3.6090502 () imc-berlin ! de
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Hi,
I just tried the very, very old cifs-1.20c-2.4.tar.gz on an embedded ppc_8xx
board with linux-2.4.20 running at 80MHz. After mounting a Windows XP share
using
mount -t cifs //10.0.2.10/test /mnt/cifs -o user=scholz,unc=//10.0.2.10/test
the famous Bonnie benchmark showed:
~ # bonnie -d /mnt/cifs -s 100
Bonnie 1.4: File '/mnt/cifs/Bonnie.173', size: 104857600, Chunck: 4096
Writing with putc()... done: 40 kB/s 6.7 %CPU
Rewriting... done: 41 kB/s 3.0 %CPU
Writing intelligently... done: 42 kB/s 1.5 %CPU
Reading with getc()... done: 74 kB/s 13.1 %CPU
Reading intelligently... done: 82 kB/s 3.3 %CPU
I would expect it to be slow (compared with big x86 computers). But 40kB/s
seems to be ridiculous! The ethernet of the MPC8xx cpu should be capable of
30Mbps.
For comparison the results of an ARM9 based board run linux-2.6.14 at 160MHz:
Writing with putc()... done: 746 kB/s 80.1 %CPU
Rewriting... done: 2264 kB/s 19.6 %CPU
Writing intelligently... done: 2505 kB/s 21.4 %CPU
Reading with getc()... done: 873 kB/s 86.6 %CPU
Reading intelligently... done: 4852 kB/s 25.3 %CPU
Any idea what could be the problem? Is there any improvement possible with
using the new backported stuff from SVN?
Thanks!
--
Steven
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