From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhai, Edwin" Subject: [PATCH] [VMX] Change the default PLE_Gap Date: Wed, 12 May 2010 08:46:12 +0800 Message-ID: <4BE9FA54.4060802@intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------060506080508050200040208" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: Xen Developers , "Zhai, Edwin" List-Id: xen-devel@lists.xenproject.org This is a multi-part message in MIME format. --------------060506080508050200040208 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Changed the default PLE_Gap to 128 for 1. not using odd number like 41 2. getting a little bit more PLE vmexits to improve performance Signed-off-by: Zhai Edwin -- best rgds, edwin --------------060506080508050200040208 Content-Type: text/plain; name="change_def_ple_gap.patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="change_def_ple_gap.patch" Changed the default PLE_Gap to 128 for 1. not using odd number like 41 2. getting a little bit more PLE vmexits to improve performance Signed-off-by: Zhai Edwin diff -r d77a88f938c6 xen/arch/x86/hvm/vmx/vmcs.c --- a/xen/arch/x86/hvm/vmx/vmcs.c Tue May 11 14:05:28 2010 +0100 +++ b/xen/arch/x86/hvm/vmx/vmcs.c Wed May 12 08:27:00 2010 +0800 @@ -53,7 +53,7 @@ boolean_param("unrestricted_guest", opt_ * Time is measured based on a counter that runs at the same rate as the TSC, * refer SDM volume 3b section 21.6.13 & 22.1.3. */ -static unsigned int __read_mostly ple_gap = 41; +static unsigned int __read_mostly ple_gap = 128; integer_param("ple_gap", ple_gap); static unsigned int __read_mostly ple_window = 4096; integer_param("ple_window", ple_window); --------------060506080508050200040208 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --------------060506080508050200040208--