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#!/bin/bash

dd if=/dev/zero of=test bs=16M count=1024 oflag=direct 2>/dev/null

#perf record -a -F max -o /root/perf.data --		\

fio --group_reporting					\
    --runtime=210					\
    --size=16G						\
    --name=dio-read					\
    --ioengine=libaio					\
    --direct=1						\
    --iodepth=64					\
    --rw=read						\
    --blocksize=128k					\
    --cpus_allowed=0					\
    --filename=test