Add support for latency probing over an interval of load
[fio.git] / examples / iodepth_mode_stepped.fio
1 # Job demonstrating how to use the iodepth_mode=stepped feature
2 #
3 [step]
4 ioengine=libaio
5 # iodepth / step_high (130% here) must be high enough to saturate performance
6 iodepth=64
7 numjobs=1
8 direct=1
9 # Step from 10% to 130%, in 5% intervals. For each step, use a ramp time
10 # of 5s, then 30 seconds of runtime
11 iodepth_mode=stepped:10-130/5,5/30
12 rw=randread
13 norandommap
14 filename=/dev/nvme0n1p9
15 runtime=1h
16 time_based=1
17 numjobs=2
18 group_reporting=1
19 cpus_allowed=0,2