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Siege 2.68b4 (Beta branch)
12-29-2008
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STRESS(1) User Commands STRESS(1) NAME
stress - tool to impose load on and stress test systems SYNOPSIS
stress [OPTION [ARG]] ... DESCRIPTION
`stress' imposes certain types of compute stress on your system -?, --help show this help statement --version show version statement -v, --verbose be verbose -q, --quiet be quiet -n, --dry-run show what would have been done -t, --timeout N timeout after N seconds --backoff N wait factor of N microseconds before work starts -c, --cpu N spawn N workers spinning on sqrt() -i, --io N spawn N workers spinning on sync() -m, --vm N spawn N workers spinning on malloc()/free() --vm-bytes B malloc B bytes per vm worker (default is 256MB) --vm-stride B touch a byte every B bytes (default is 4096) --vm-hang N sleep N secs before free (default is none, 0 is inf) --vm-keep redirty memory instead of freeing and reallocating -d, --hdd N spawn N workers spinning on write()/unlink() --hdd-bytes B write B bytes per hdd worker (default is 1GB) --hdd-noclean do not unlink files created by hdd workers Example: stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M --timeout 10s Note: Numbers may be suffixed with s,m,h,d,y (time) or B,K,M,G (size). SEE ALSO
The full documentation for stress is maintained as a Texinfo manual. If the info and stress programs are properly installed at your site, the command info stress should give you access to the complete manual. stress 1.0.1 August 2009 STRESS(1)