From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IUYPp-0004ux-2o for qemu-devel@nongnu.org; Sun, 09 Sep 2007 21:50:17 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IUYPn-0004tQ-Do for qemu-devel@nongnu.org; Sun, 09 Sep 2007 21:50:15 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IUYPn-0004tN-7J for qemu-devel@nongnu.org; Sun, 09 Sep 2007 21:50:15 -0400 Received: from mailguard-send.adelaide.edu.au ([192.43.227.21] helo=columbo.services.adelaide.edu.au) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1IUYPm-0004FX-Mt for qemu-devel@nongnu.org; Sun, 09 Sep 2007 21:50:15 -0400 From: Peter Nguyen Content-Type: text/plain Date: Mon, 10 Sep 2007 11:19:58 +0930 Message-Id: <1189388998.21397.6.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Performance counter Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hi, I'm using qemu at the moment to run a system for debugging purposes. I was wondering whether qemu does actually emulate the performance counters on IA32. Every time i try to read the value out, it consistently gives me zero even though i have written to the given model specific register. Thanks Peter Nguyen