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author | jkoshy <jkoshy@FreeBSD.org> | 2009-06-09 06:36:29 +0000 |
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committer | jkoshy <jkoshy@FreeBSD.org> | 2009-06-09 06:36:29 +0000 |
commit | be8827c9efd74f759b0fb2f96fb3198dacf3856c (patch) | |
tree | 47832ec8efe82e8cadefd6fd1e0302074b1a340e /lib | |
parent | 39e03aaa267318cfd82e623f72796848153ef0bb (diff) | |
download | FreeBSD-src-be8827c9efd74f759b0fb2f96fb3198dacf3856c.zip FreeBSD-src-be8827c9efd74f759b0fb2f96fb3198dacf3856c.tar.gz |
Document the fact that some Core2 family CPUs lack fixed-function counters.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libpmc/pmc.core2.3 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/libpmc/pmc.core2.3 b/lib/libpmc/pmc.core2.3 index b04fa93..6d86c30 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" |