Excellent. My test job is working great, and I created a few more job variations that also work great. Thanks for the help. Regards, Jeff -----Original Message----- From: Jens Axboe [mailto:axboe@xxxxxxxxx] Sent: Friday, July 22, 2016 12:21 PM To: Jeff Furlong <jeff.furlong@xxxxxxxx> Cc: Karl Cronburg <kcronbur@xxxxxxxxxx>; Matthew Eaton <m.eaton82@xxxxxxxxx>; fio@xxxxxxxxxxxxxxx Subject: Re: what is the sample logger doing when the buffer fills up? On 07/22/2016 12:55 PM, Jens Axboe wrote: > > > On 07/22/2016 12:52 PM, Jeff Furlong wrote: >> Too late, I already put v2 patch through the process. Some good, >> some bad. The good is that no more dropped entries appear in the middle! >> So for the iops and bw logs, I get results such as: >> >> 999, 293814, 0, 0 >> 2000, 354857, 0, 0 >> 3000, 383081, 0, 0 >> ... >> 57000, 321946, 0, 0 >> 58000, 321566, 0, 0 >> 59000, 321596, 0, 0 >> >> The first sample is slightly off, but well within a reasonable >> tolerance. The last sample is always missing (runtime=60s). >> >> The bad is that the slat/clat/lat log is not doing averages any more, >> such as log_avg_msec=1000, but it's logging every value. >> >> # fio --name=test_job --ioengine=libaio --direct=1 --rw=randread >> --iodepth=256 --size=100% --numjobs=4 --bs=4k --filename=/dev/nvme0n1 >> --group_reporting --write_bw_log=test_job --write_iops_log=test_job >> --write_lat_log=test_job --log_avg_msec=1000 --disable_lat=0 >> --disable_clat=0 --disable_slat=0 --runtime=60s --time_based >> --output=test_job > > OK, I guess it's not perfect! I'll tackle that one. Try current -git, this should fix that: http://git.kernel.dk/cgit/fio/commit/?id=b392f36daf7a6c2895d899320fa89d35722567c2 -- Jens Axboe Western Digital Corporation (and its subsidiaries) E-mail Confidentiality Notice & Disclaimer: This e-mail and any files transmitted with it may contain confidential or legally privileged information of WDC and/or its affiliates, and are intended solely for the use of the individual or entity to which they are addressed. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited. If you have received this e-mail in error, please notify the sender immediately and delete the e-mail in its entirety from your system. ��.n��������+%������w��{.n�������^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
