Command-line tool

fio

brew/fio

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

I/O benchmark and stress test

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

winget install --id fio.fio -e
scoop install fio

macOS

brew install fio

Linux

brew install fio

Test random reads

fio --filename=path/to/file --direct=1 --rw=randread --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=job_name --eta-newline=1 --readonly

Test sequential reads

fio --filename=path/to/file --direct=1 --rw=read --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=job_name --eta-newline=1 --readonly

Test random read/write

fio --filename=path/to/file --direct=1 --rw=randrw --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=job_name --eta-newline=1

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