1# Test job that demonstrates how to use the latency target 2# profiling. Fio will find the queue depth between 1..128 3# that fits within the latency constraints of this 4k random 4# read workload. 5 6[global] 7bs=4k 8rw=randread 9random_generator=lfsr 10direct=1 11ioengine=libaio 12iodepth=128 13# Set max acceptable latency to 500msec 14latency_target=500000 15# profile over a 5s window 16latency_window=5000000 17# 99.9% of IOs must be below the target 18latency_percentile=99.9 19 20[device] 21filename=/dev/sda 22