From mboxrd@z Thu Jan 1 00:00:00 1970 From: veerasena reddy Subject: Are there any tools to calculate the cost of a VM exit Date: Tue, 7 Jun 2011 12:03:33 +0530 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1700538425==" 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: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org --===============1700538425== Content-Type: multipart/alternative; boundary=0016368e21e9277da204a51966a3 --0016368e21e9277da204a51966a3 Content-Type: text/plain; charset=ISO-8859-1 Hi, I am looking to add a new hypercall to XEN-3.4.3 and invoke this new hypercall very often (may be 50 to 500 thousands of times a sec) from a HVM guest. I would like to see the cost of this to tradeoff with performance. Could you please advice if there are tools for this or any other method that i can use? Thanks in advance. Regards, VSR. --0016368e21e9277da204a51966a3 Content-Type: text/html; charset=ISO-8859-1 Hi,

I am looking to add a new hypercall to XEN-3.4.3 and invoke this new hypercall very often (may be 50 to 500 thousands of times a sec) from a HVM guest.
I would like to see the cost of this to tradeoff with performance.

Could you please advice if there are tools for this or any other method that i can use?

Thanks in advance.

Regards,
VSR.
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