On 06/04/2015 05:09 PM, Reed Crowe wrote:
Using this version of FIO: * io-threads master rcrowe@rcrowe-desktop:~/fio_iothreads/fio$ ./fio --version fio-2.2.7-14-g00b2 I have a job file which looks like this: [global] ioengine=libaio direct=1 numjobs=1 bs=4k iodepth=300 rw=randwrite randrepeat=0 io_submit_mode=offload rate_iops=8070 time_based=1 runtime=1m [slow_write] filename=/mnt/test1/testfile.io write_lat_log=/tmp/fio_lat And it produces empty files: -rw-r--r-- 1 root root 0 Jun 4 14:34 fio_lat_clat.1.log -rw-r--r-- 1 root root 0 Jun 4 14:34 fio_lat_lat.1.log -rw-r--r-- 1 root root 0 Jun 4 14:34 fio_lat_slat.1.log What am I missing?
Nothing, it was a bug in the io_submit_mode=offload code. Try updating to current -git, this should fix it:
http://git.kernel.dk/cgit/fio/commit/?id=75dc383e9d05369c830559496afa382178905e39 -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in