On Tue, Feb 27 2007, Evgeniy Polyakov wrote: > My two coins: > # cat job > [global] > bs=8k > size=1g > direct=0 > ioengine=sync > iodepth=32 > rw=read > > [file] > filename=/home/user/test > > sync: > READ: io=1,024MiB, aggrb=39,329KiB/s, minb=39,329KiB/s, > maxb=39,329KiB/s, mint=27301msec, maxt=27301msec > > libaio: > READ: io=1,024MiB, aggrb=39,435KiB/s, minb=39,435KiB/s, > maxb=39,435KiB/s, mint=27228msec, maxt=27228msec > > syslet-rw: > READ: io=1,024MiB, aggrb=29,567KiB/s, minb=29,567KiB/s, > maxb=29,567KiB/s, mint=36315msec, maxt=36315msec > > During syslet-rw test about 9500 async schduledes happend. > I use fio-git-20070226150114.tar.gz
That looks pretty pathetic :-). What IO scheduler did you use? syslets will confuse CFQ currently, so you want to compare with using eg deadline or as. That is one of the downsides of this approach. I'll try your test as soon as this bisect series is done. > P.S. Jens, fio_latest.tar.gz has wrong permissions, it can not be > opened. Oh thanks, indeed. It was disabled symlinks that broke it. Fixed now. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/