Messages in this thread | | | Subject | Re: RFC on io-stalls patch | From | Chris Mason <> | Date | 15 Jul 2003 05:30:39 -0400 |
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On Tue, 2003-07-15 at 05:18, Jens Axboe wrote: > 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. >
tcq is at 32, the controller is aic7xxx, the drive is an older wdc.
> 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.
Thanks.
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