From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1CEuGZ-0008Dw-Kr for user-mode-linux-devel@lists.sourceforge.net; Tue, 05 Oct 2004 11:42:27 -0700 Received: from bay22-f9.bay22.hotmail.com ([64.4.16.59] helo=hotmail.com) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1CEuGN-0002C9-47 for user-mode-linux-devel@lists.sourceforge.net; Tue, 05 Oct 2004 11:42:27 -0700 From: "Young K" Subject: Re: [uml-devel] slow execution in uml? Mime-Version: 1.0 Content-Type: text/plain; format=flowed Message-ID: Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Tue, 05 Oct 2004 14:41:34 -0400 To: blaisorblade_spam@yahoo.it, user-mode-linux-devel@lists.sourceforge.net Hi, > >What is slower in UML (a lot slower) is (at least): >- syscall execution >- page fault > >At a first glance, I wouldn't be surprised if the syscall itself took >26,000 >cycles (they are rdtsc units, right?). Thanks for the reply. But, i measured the time after sys_sendto() is called. i mean, timestamp was made inside sys_sendto() kernel routine. so, syscall overhead wouldn't be included. what do you think? _________________________________________________________________ Check out Election 2004 for up-to-date election news, plus voter tools and more! http://special.msn.com/msn/election2004.armx ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel