From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:38332) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sr9d2-0006y6-Af for qemu-devel@nongnu.org; Tue, 17 Jul 2012 11:24:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Sr9cx-0002Vf-KE for qemu-devel@nongnu.org; Tue, 17 Jul 2012 11:24:00 -0400 Received: from mail-lb0-f173.google.com ([209.85.217.173]:45426) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sr9cx-0002Va-Cp for qemu-devel@nongnu.org; Tue, 17 Jul 2012 11:23:55 -0400 Received: by lbok6 with SMTP id k6so858528lbo.4 for ; Tue, 17 Jul 2012 08:23:54 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1341307259-27262-1-git-send-email-harsh@linux.vnet.ibm.com> References: <1341307259-27262-1-git-send-email-harsh@linux.vnet.ibm.com> Date: Tue, 17 Jul 2012 16:23:54 +0100 Message-ID: From: Stefan Hajnoczi Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Qemu-devel] [PATCH v7 0/3] Simpletrace v2: Support multiple args, strings. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Harsh Prateek Bora Cc: qemu-devel@nongnu.org, stefanha@linux.vnet.ibm.com On Tue, Jul 3, 2012 at 10:20 AM, Harsh Prateek Bora wrote: > Existing simpletrace backend allows to trace at max 6 args and does not > support strings. This newer tracelog format gets rid of fixed size records > and therefore allows to trace variable number of args including strings. > > Sample trace: > v9fs_version 0.000 tag=0xffff id=0x64 msize=0x2000 version=9P2000.L > v9fs_version_return 6.705 tag=0xffff id=0x64 msize=0x2000 version=9P2000.L > v9fs_attach 174.467 tag=0x1 id=0x68 fid=0x0 afid=0xffffffffffffffff > uname=nobody aname= > v9fs_attach_return 4720.454 tag=0x1 id=0x68 type=0xffffffffffffff80 > version=0x4f2a4dd0 path=0x220ea6 I have successfully tested it with the fix that I posted. Writing simpletrace.Analyzer Python scripts still works - now with string arguments too :). Besides the last few comments on Patch 2, this looks okay now. Stefan