Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: Performance regression in IO scheduler still there | Date | Thu, 12 Nov 2009 16:05:17 -0500 |
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Jens Axboe <jens.axboe@oracle.com> writes:
> On Thu, Nov 12 2009, Jeff Moyer wrote: >> Good question. ;-) I grep for NCQ in dmesg output and make sure it's >> greater than 0/32. There may be a better way, though. > > cat /sys/block/<dev>/device/queue_depth > > :-)
OK, your comment about only working for SCSI disks threw me off. Perhaps you meant only works for devices that use the sd driver?
Cheers, Jeff
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