Man1 - stress.1

Table of Contents

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.

Author: dt

Created: 2022-02-22 Tue 15:55