Re: RFC on io-stalls patch

Jens Axboe (
Tue, 15 Jul 2003 11:18:38 +0200

On Tue, Jul 15 2003, Jens Axboe wrote:
> > BTW, the contest run times vary pretty wildy. My 3 compiles with
> > io_load running on 2.4.21 were 603s, 443s and 515s. This doesn't make
> > the average of the 3 numbers invalid, but we need a more stable metric.
> Mine are pretty consistent [1], I'd suspect that it isn't contest but your
> drive tcq skewing things. But it would be nice to test with other things
> as well, I just used contest because it was at hand.

Oh and in the same spirit, I'll do the complete runs on an IDE drive as
well. Sometimes IDE vs SCSI shows the funniest things.

Jens Axboe

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