From 5c9306fd41ee3c75c333395b32379e640343e811 Mon Sep 17 00:00:00 2001
From: Joseph Koshy <jkoshy@FreeBSD.org>
Date: Tue, 9 Jun 2009 06:36:29 +0000
Subject: [PATCH] Document the fact that some Core2 family CPUs lack
 fixed-function counters.

---
 lib/libpmc/pmc.core2.3 | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/libpmc/pmc.core2.3 b/lib/libpmc/pmc.core2.3
index b04fa9361dee..6d86c3042763 100644
--- a/lib/libpmc/pmc.core2.3
+++ b/lib/libpmc/pmc.core2.3
@@ -1,4 +1,4 @@
-.\" Copyright (c) 2008 Joseph Koshy.  All rights reserved.
+.\" Copyright (c) 2008,2009 Joseph Koshy.  All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
@@ -23,7 +23,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 12, 2008
+.Dd June 8, 2009
 .Os
 .Dt PMC.CORE2 3
 .Sh NAME
@@ -42,7 +42,7 @@ family CPUs
 CPUs contain PMCs conforming to version 2 of the
 .Tn Intel
 performance measurement architecture.
-These CPUs contains two classes of PMCs:
+These CPUs may contain upto two classes of PMCs:
 .Bl -tag -width "Li PMC_CLASS_IAP"
 .It Li PMC_CLASS_IAF
 Fixed-function counters that count only one hardware event per counter.
@@ -66,6 +66,7 @@ Intel Core2 PMCs are documented in
 .Ss CORE2 FIXED FUNCTION PMCS
 These PMCs and their supported events are documented in
 .Xr pmc.iaf 3 .
+Not all CPUs in this family implement fixed-function counters.
 .Ss CORE2 PROGRAMMABLE PMCS
 The programmable PMCs support the following capabilities:
 .Bl -column "PMC_CAP_INTERRUPT" "Support"