apt install fio

#examples:
sync; fio -filename=testfio.file -direct=1 -rw=read  -bs=4k -size=10G  -name=seqread  -runtime=60 |tee 10g-seqread.txt
sync; fio -filename=testfio.file -direct=1 -rw=write  -bs=4k -size=10G  -name=seqwrite  -runtime=60 |tee 10g-seqwrite.txt
sync; fio -filename=testfio.file -direct=1 -rw=randread  -bs=4k -size=10G  -name=randread  -runtime=60 |tee 10g-randread.txt
sync; fio -filename=testfio.file -direct=1 -rw=randwrite  -bs=4k -size=10G  -name=randwrite  -runtime=60 |tee 10g-randwrite.txt