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more .Nm fixes

.\"	$OpenBSD: pctr.1,v 1.3 1998/12/16 02:38:50 aaron Exp $
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.\" Copyright (c) 1998, Jason Downs.  All rights reserved.
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.Dd August 30, 1998
.Dt PCTR 1
.Os
.Sh NAME
.Nm pctr
.Nd display CPU performance counters
.Sh SYNOPSIS
.Nm pctr
.Op Fl l Ar 5 | 6
.Sh DESCRIPTION
The
.Nm
program is a sample implementation of how to access the
.Xr pctr 4
pseudo device available on many i386 compatible machines.
.Pp
By default, the
.Nm
command displays the current values of the TSC and any vendor specific
counter registers.
.Sh OPTIONS
.Bl -tag -width indent
There is one available option:
.It Fl l Ar 5 | 6
List all possible vendor specific counters.  The argument specifies which
.Dq family
to display; it defaults to the
.Dq family
designation of the current processor.
.El
.Sh RETURN VALUES
The
.Nm
program exits with a value of 0 on success or 1 on failure.
.Sh BUGS
The
.Nm
program is still orientated towards Intel brand microprocessors.
.Sh SEE ALSO
.Xr pctr 4
.Sh HISTORY
The
.Nm
program appeared in
.Ox 2.0 .