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STRESS(1)			 User Commands			     STRESS(1)

       stress -	tool to	impose load on and stress test systems

       stress [OPTION [ARG]] ...

       `stress'	imposes	certain	types of compute stress	on your	system

       -?, --help
	      show this	help statement

	      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)

	      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).

       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 1.0.4			  March	2010			     STRESS(1)


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