Date: Tue, 9 Jun 2009 06:36:29 +0000 (UTC) From: Joseph Koshy <jkoshy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r193810 - head/lib/libpmc Message-ID: <200906090636.n596aT61059147@svn.freebsd.org>
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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"
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