.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.36.
.TH STRESS "1" "March 2010" "stress 1.0.4" "User Commands"
.SH NAME
stress \- tool to impose load on and stress test systems
.SH SYNOPSIS
.B stress
[\fIOPTION \fR[\fIARG\fR]] ...
.SH DESCRIPTION
`stress' imposes certain types of compute stress on your system
.TP
\-?, \fB\-\-help\fR
show this help statement
.TP
\fB\-\-version\fR
show version statement
.TP
\fB\-v\fR, \fB\-\-verbose\fR
be verbose
.TP
\fB\-q\fR, \fB\-\-quiet\fR
be quiet
.TP
\fB\-n\fR, \fB\-\-dry\-run\fR
show what would have been done
.TP
\fB\-t\fR, \fB\-\-timeout\fR N
timeout after N seconds
.TP
\fB\-\-backoff\fR N
wait factor of N microseconds before work starts
.TP
\fB\-c\fR, \fB\-\-cpu\fR N
spawn N workers spinning on sqrt()
.TP
\fB\-i\fR, \fB\-\-io\fR N
spawn N workers spinning on sync()
.TP
\fB\-m\fR, \fB\-\-vm\fR N
spawn N workers spinning on malloc()/free()
.TP
\fB\-\-vm\-bytes\fR B
malloc B bytes per vm worker (default is 256MB)
.TP
\fB\-\-vm\-stride\fR B
touch a byte every B bytes (default is 4096)
.TP
\fB\-\-vm\-hang\fR N
sleep N secs before free (default none, 0 is inf)
.TP
\fB\-\-vm\-keep\fR
redirty memory instead of freeing and reallocating
.TP
\fB\-d\fR, \fB\-\-hdd\fR N
spawn N workers spinning on write()/unlink()
.TP
\fB\-\-hdd\-bytes\fR B
write B bytes per hdd worker (default is 1GB)
.PP
Example: stress \fB\-\-cpu\fR 8 \fB\-\-io\fR 4 \fB\-\-vm\fR 2 \fB\-\-vm\-bytes\fR 128M \fB\-\-timeout\fR 10s
.PP
Note: Numbers may be suffixed with s,m,h,d,y (time) or B,K,M,G (size).
.SH "SEE ALSO"
The full documentation for
.B stress
is maintained as a Texinfo manual.  If the
.B info
and
.B stress
programs are properly installed at your site, the command
.IP
.B info stress
.PP
should give you access to the complete manual.