.SH SYNOPSIS
.B critical
[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-delay \fIseconds\fP] [\-random \fIboolean\fP] [\-ncolors \fIint\fP] [\-offset \fIint\fP]
+[\-fps]
.SH DESCRIPTION
The \fIcritical\fP program displays a self-organizing critical system
that gradually emerges from chaos.
.TP 8
.B \-trail \fIinteger\fP
Length of the trail: between 5 and 100 is nice.
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8