[Xen-devel] [PATCH]x86: document tsc_native configuration option

To:	"Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>
Subject:	[Xen-devel] [PATCH]x86: document tsc_native configuration option in xmexample.hvm.
From:	"Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>
Date:	Fri, 16 Oct 2009 09:50:01 +0800
Accept-language:	en-US
Acceptlanguage:	en-US
Cc:
Delivery-date:	Thu, 15 Oct 2009 18:51:35 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index:	AcpOAvmnk3qbvV1gT/a+hUvZZ+RA8Q==
Thread-topic:	[PATCH]x86: document tsc_native configuration option in xmexample.hvm.

x86: document tsc_native configuration option in xmexample.hvm.
 
Set the default value to 1
 
Signed-off-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>
 
diff -r 18758847bf31 tools/examples/xmexample.hvm
--- a/tools/examples/xmexample.hvm Wed Oct 14 09:09:23 2009 +0100
+++ b/tools/examples/xmexample.hvm Fri Oct 16 09:42:14 2009 +0800
@@ -177,6 +177,12 @@ stdvga=0
 #   then xm console or minicom can connect
 serial='pty'
 
+#----------------------------------------------------------------------------
+#   tsc_native : TSC mode (0=emulate TSC, 1=native TSC)
+#   emulate TSC provides synced TSC for all vcpus, but lose perfomrance.
+#   native TSC leverages hardware's TSC(no perf loss), but vcpu's TSC may lose
+#   sync due to hardware's unreliable/unsynced TSC between CPUs.
+tsc_native=1
 
 #-----------------------------------------------------------------------------
 #   Qemu Monitor, default is disable

doc-tsc-native.patch
Description: doc-tsc-native.patch

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

[Xen-devel] [PATCH]x86: document tsc_native configuration option in xmex