From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IgFr2-0004Fz-Lp for qemu-devel@nongnu.org; Fri, 12 Oct 2007 04:26:44 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IgFqz-0004CU-Dj for qemu-devel@nongnu.org; Fri, 12 Oct 2007 04:26:42 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IgFqz-0004CL-7X for qemu-devel@nongnu.org; Fri, 12 Oct 2007 04:26:41 -0400 Received: from bangui.magic.fr ([195.154.194.245]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1IgFqy-0005zP-Jk for qemu-devel@nongnu.org; Fri, 12 Oct 2007 04:26:40 -0400 Subject: Re: [Qemu-devel] Unable to Run Gprof Successfully on QEMU From: "J. Mayer" In-Reply-To: References: Content-Type: text/plain Date: Fri, 12 Oct 2007 10:26:37 +0200 Message-Id: <1192177597.9976.250.camel@rapid> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit 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 Cc: Atoosaah S On Fri, 2007-10-12 at 01:00 -0700, Atoosaah S wrote: > I'd appreciate any input on how to run gprof successfully on qemu. I'm > new to gprof and am probably missing some steps. I successfully ran > gprof on a sorting program available online, then I attempted to run > gprof on qemu. > > Here are the steps I take: > > I'm trying to run gprof on qemu, but am unsuccessful. my os is linux, > my qemu version is 0.8.2. I configure qemu with the options "configure > --prefix=/install_path --enable-gprof. Then I make and make install. I > run qemu successfully using the options /install_path/qemu -hda > diskimage.img -m 256 which results in the gmon.out file. My run of > qemu involved starting the image (virtual linux OS), running a few > simple commands and shutting the image down. > > Finally, I run gprof /intsall_path/qemu gmon.out > result.txt which > gives the error: gprof: file 'qemu' has no symbols' > > Are there any other configuration options required? Should the image > be run with differently? You need a qemu executable with debugging symbols. Distributed versions are usually stripped, which means the debug symbols are not present anymore. A way to get the debug symbol is to fetch the source and recompile it... -- J. Mayer Never organized