Thanks, but now it seems to convert the blktrace replay into all reads and increase the run time to 20minutes (from 60seconds). fio-2.2.7-24-g7c30 is the latest right? On Fri, Apr 24, 2015 at 9:04 AM, Jens Axboe <axboe@xxxxxxxxx> wrote: > On 04/23/2015 01:55 PM, Brandon Schwartz wrote: >> >> Using FIO 2.2.7, I'm trying to replay the following workload >> (capturing it with blktrace and replaying with FIO on the same device) >> >> sudo fio --name=rwmix --filename=/dev/sdd --blocksize=128k >> --readwrite=randrw --rwmixread=75 --rwmixwrite=25 --runtime=60 >> >> And I get the following error: >> >> fio: pid=21428, err=12/file:memory.c:242, func=iomem allocation, >> error=Cannot allocate memory >> >> Older versions of FIO (2.1.*) seem to be able to replay the blktrace >> without that error, but those versions of FIO don't always seem to >> respect the timing of IOs (if there is idle time for example). >> >> Any idea what could be causing the problem? > > > There were a few bugs in there. Can you try current -git? Just committed a > change that should improve things for you. > > -- > 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
