Command-line tool

stress

brew/stress

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

Tool to impose load on and stress test a computer system

Website Source

At a glance

Type

Command-line tool

Install on

macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

macOS

brew install stress

Linux

brew install stress

Spawn 4 workers to stress test CPU

stress -c 4

Spawn 2 workers to stress test IO and timeout after 5 seconds

stress -i 2 -t 5

Spawn 2 workers to stress test memory (each worker allocates 256M bytes)

stress -m 2 --vm-bytes 256M

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