Module Name: src
Committed By: jruoho
Date: Sat Mar 5 07:47:54 UTC 2011
Modified Files:
src/share/man/man4: acpicpu.4
Log Message:
Add one bug to the list. (Neither acpicpu(4) nor est(4) or powernow(4)
handle possible skew in timers and counters such as TSC.)
To generate a diff of this commit:
cvs rdiff -u -r1.27 -r1.28 src/share/man/man4/acpicpu.4
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man4/acpicpu.4
diff -u src/share/man/man4/acpicpu.4:1.27 src/share/man/man4/acpicpu.4:1.28
--- src/share/man/man4/acpicpu.4:1.27 Fri Mar 4 06:01:25 2011
+++ src/share/man/man4/acpicpu.4 Sat Mar 5 07:47:54 2011
@@ -1,4 +1,4 @@
-.\" $NetBSD: acpicpu.4,v 1.27 2011/03/04 06:01:25 jruoho Exp $
+.\" $NetBSD: acpicpu.4,v 1.28 2011/03/05 07:47:54 jruoho Exp $
.\"
.\" Copyright (c) 2010 Jukka Ruohonen <[email protected]>
.\" All rights reserved.
@@ -24,7 +24,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd March 4, 2011
+.Dd March 5, 2011
.Dt ACPICPU 4
.Os
.Sh NAME
@@ -317,6 +317,16 @@
.Xr acpitz 4 )
is not yet supported.
.It
+Depending on the processor, changes in C-, P-,
+and T-states may all skew timers and counters such as
+.Tn TSC .
+This is neither handled by
+.Nm
+nor by
+.Xr est 4
+and
+.Xr powernow 4 .
+.It
There is currently neither a well-defined, machine-independent
.Tn API
for processor performance management nor a
