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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 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)

     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  com-
     mand

	    info stress

     should give you access to the complete manual.

stress 1.0.4			   March 2010			       STRESS(1)

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