I am also seeing this bug but with numjobs = 1. fio --numjobs=1 --iodepth=32 --ramp_time=1800 --runtime=1810 --time_based --rw=randwrite --bs=4k --ioengine=libaio --direct=1 --refill_buffers --norandommap --randrepeat=0 --log_avg_msec=1000 --write_iops_log=write --name=write-iops --filename=/dev/sdb fio-2.12-12-g45213 3000, 23033, 1, 0 4000, 23035, 1, 0 5001, 25463, 1, 0 <<< 7000, 24649, 1, 0 <<< 8000, 27103, 1, 0 9000, 23004, 1, 0 10000, 23064, 1, 0 11000, 26199, 1, 0 12000, 23107, 1, 0 13000, 28734, 1, 0 14000, 23853, 1, 0 15000, 28739, 1, 0 16000, 27061, 1, 0 17000, 25504, 1, 0 18000, 29550, 1, 0 19000, 23842, 1, 0 20000, 23056, 1, 0 21001, 23010, 1, 0 <<< 23000, 24236, 1, 0 <<< 24000, 23867, 1, 0 25000, 25459, 1, 0 On Thu, Jul 7, 2016 at 2:50 PM, Jens Axboe <axboe@xxxxxxxxx> wrote: > On 07/07/2016 03:47 PM, Jeff Furlong wrote: >> >> There are more. In a 60s test, logging every 1s, I see 6 to 7 samples >> get dropped. But I only see it when numjobs > 1. > > > OK, I'll take a look. > > > -- > 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 -- 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
