From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <559203A1.7000202@kernel.dk> Date: Mon, 29 Jun 2015 20:49:05 -0600 From: Jens Axboe MIME-Version: 1.0 Subject: Re: Percentage/ETA progress indicator faulty with examples/tiobench-example.fio References: <5591D2EB.8050309@cran.org.uk> In-Reply-To: <5591D2EB.8050309@cran.org.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit To: Bruce Cran , "fio@vger.kernel.org" List-ID: On 06/29/2015 05:21 PM, Bruce Cran wrote: > On Linux, using the latest fio sources, "fio > examples/tiobench-example.fio" results in the progress indicator > (percentage and ETA) displaying odd values. Percentage rises to about > 70% before dropping to 20%, getting to 25% and then the test finishes. > The ETA starts out about 4 minutes, falls to 1m and then jumps to 12. > > $ ./fio examples/tiobench-example.fio > [snip] > f4: Laying out IO file(s) (1 file(s) / 512MB) > Jobs: 4 (f=4): [_(12),r(4)] [25.1% done] [887KB/0KB/0KB /s] [221/0/0 > iops] [eta 12m:00s] > f1: (groupid=0, jobs=1): err= 0: pid=9730: Mon Jun 29 17:17:01 2015 > write: io=388340KB, bw=6453.7KB/s, iops=1613, runt= 60174msec > clat (usec): min=144, max=704183, avg=616.69, stdev=7110.74 > lat (usec): min=145, max=704184, avg=617.10, stdev=7110.74 > clat percentiles (usec): > | 1.00th=[ 354], 5.00th=[ 378], 10.00th=[ 394], 20.00th=[ 410], > | 30.00th=[ 422], 40.00th=[ 434], 50.00th=[ 442], 60.00th=[ 450], > | 70.00th=[ 466], 80.00th=[ 478], 90.00th=[ 506], 95.00th=[ 564], > | 99.00th=[ 1416], 99.50th=[ 1448], 99.90th=[24960], 99.95th=[56576], > | 99.99th=[544768] > bw (KB /s): min= 2067, max= 9432, per=26.50%, avg=6839.64, > stdev=1755.81 > lat (usec) : 250=0.01%, 500=88.36%, 750=7.53%, 1000=0.02% > lat (msec) : 2=3.91%, 4=0.03%, 10=0.01%, 20=0.01%, 50=0.06% > lat (msec) : 100=0.03%, 250=0.01%, 750=0.01% I'll take a look at this. Is this a regression? -- Jens Axboe