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
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