Messages in this thread | | | Date | Sun, 04 Apr 2004 10:24:01 +0200 | From | Andreas Hartmann <> | Subject | Re: 2.6.4 : 100% CPU use on EIDE disk operarion, VIA chipset |
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Mikhail Ramendik wrote: > Hello, > > Andreas Hartmann wrote: > >> > It turned out that on disk-intensive operation, the "system" CPU usage >> > skyrockets. With a mere "cp" of a large file to the same direstory >> > (tested with ext3fs and FAT32 file systems), it is 100% practically all >> > of the time ! >> But you're right, 2.6.4 is slower than 2.4.25. See the thread "Very poor >> performance with 2.6.4" here in the list. > > As recommended there, I have tried 2.6.5-rc3-mm4. > > No change. Still 100% CPU usage; the performance seems teh same.
Yes. But it's curious: Take a tar-file, e.g. tar the compiled 2.6 kernel directory. Than, untar it again - the machine behaves total normaly. And the 2.6-kernel is about 23% faster than the 2.4-kernel.
> Yours, Mikhail Ramendik > > P.S. Sorry for making all comments into answers to your letter. I just > don't want to break the thread.
No problem - it's easier to read with comment directly in the text.
Regards, Andreas Hartmann - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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