svn commit: r193810 - head/lib/libpmc
Joseph Koshy
jkoshy at FreeBSD.org
Tue Jun 9 06:36:30 UTC 2009
Author: jkoshy
Date: Tue Jun 9 06:36:29 2009
New Revision: 193810
URL: http://svn.freebsd.org/changeset/base/193810
Log:
Document the fact that some Core2 family CPUs lack fixed-function counters.
Modified:
head/lib/libpmc/pmc.core2.3
Modified: head/lib/libpmc/pmc.core2.3
==============================================================================
--- head/lib/libpmc/pmc.core2.3 Tue Jun 9 06:34:48 2009 (r193809)
+++ head/lib/libpmc/pmc.core2.3 Tue Jun 9 06:36:29 2009 (r193810)
@@ -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"
More information about the svn-src-head
mailing list