STRESS

Section: User Commands (1)
Updated: March 2010
Page Index
 

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 command
info stress

should give you access to the complete manual.


 

Index

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
LinuxReviews : manual page archive : man1