21 lines
486 B
Text
21 lines
486 B
Text
# Test job that demonstrates how to use the latency target
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# profiling. Fio will find the queue depth between 1..128
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# that fits within the latency constraints of this 4k random
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# read workload.
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[global]
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bs=4k
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rw=randread
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random_generator=lfsr
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direct=1
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ioengine=libaio
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iodepth=128
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# Set max acceptable latency to 500msec
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latency_target=500000
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# profile over a 5s window
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latency_window=5000000
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# 99.9% of IOs must be below the target
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latency_percentile=99.9
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[device]
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filename=/dev/sda
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