On 09/16/2013 02:19 PM, Brian L. wrote: > it's running normal directly on the machine. > > i thought maybe clat and lat might be the same as slat and that is why there is only slat being output but i not sure. (please don't top post) I need the full invocations of what you are running. If you are not running async IO, then you only get lat. If you are running async IO, you get slat and clat as well. I can't completely tell, since you didn't not push what each of them ran exactly and the full output. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html