From patchwork Tue Mar 27 19:49:46 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Llu=C3=ADs_Vilanova?= X-Patchwork-Id: 149024 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 51A2AB6EEA for ; Wed, 28 Mar 2012 07:14:35 +1100 (EST) Received: from localhost ([::1]:50389 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SCcPS-0007I2-FF for incoming@patchwork.ozlabs.org; Tue, 27 Mar 2012 15:50:26 -0400 Received: from eggs.gnu.org ([208.118.235.92]:49329) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SCcOt-00060j-6J for qemu-devel@nongnu.org; Tue, 27 Mar 2012 15:49:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SCcOp-0007gn-TL for qemu-devel@nongnu.org; Tue, 27 Mar 2012 15:49:50 -0400 Received: from roura.ac.upc.edu ([147.83.33.10]:45268 helo=roura.ac.upc.es) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SCcOp-0007gL-JT for qemu-devel@nongnu.org; Tue, 27 Mar 2012 15:49:47 -0400 Received: from gw.ac.upc.edu (gw.ac.upc.es [147.83.30.3]) by roura.ac.upc.es (8.13.8/8.13.8) with ESMTP id q2RJnjWe018341; Tue, 27 Mar 2012 21:49:45 +0200 Received: from localhost (unknown [84.88.53.92]) by gw.ac.upc.edu (Postfix) with ESMTP id DFF182D0018; Tue, 27 Mar 2012 21:49:44 +0200 (CEST) From: =?utf-8?b?TGx1w61z?= Vilanova To: qemu-devel@nongnu.org Date: Tue, 27 Mar 2012 21:49:46 +0200 Message-Id: <20120327194945.7241.9287.stgit@ginnungagap.bsc.es> X-Mailer: git-send-email 1.7.9.1 In-Reply-To: <20120327194910.7241.47693.stgit@ginnungagap.bsc.es> References: <20120327194910.7241.47693.stgit@ginnungagap.bsc.es> User-Agent: StGit/0.16 MIME-Version: 1.0 X-MIME-Autoconverted: from 8bit to quoted-printable by roura.ac.upc.es id q2RJnjWe018341 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 147.83.33.10 Cc: stefanha@gmail.com Subject: [Qemu-devel] [RFC PATCH v3 6/8] tracetool: Add support for the 'ust' backend X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Lluís Vilanova --- scripts/tracetool/backend/ust.py | 102 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 102 insertions(+), 0 deletions(-) create mode 100644 scripts/tracetool/backend/ust.py diff --git a/scripts/tracetool/backend/ust.py b/scripts/tracetool/backend/ust.py new file mode 100644 index 0000000..6871373 --- /dev/null +++ b/scripts/tracetool/backend/ust.py @@ -0,0 +1,102 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +LTTng User Space Tracing backend. +""" + +__author__ = "Lluís Vilanova " +__copyright__ = "Copyright 2012, Lluís Vilanova " +__license__ = "GPL version 2 or (at your option) any later version" + +__maintainer__ = "Stefan Hajnoczi" +__email__ = "stefanha@linux.vnet.ibm.com" + + +from tracetool import out + + +PUBLIC = True + + +def c(events): + out('#include ', + '#undef mutex_lock', + '#undef mutex_unlock', + '#undef inline', + '#undef wmb', + '#include "trace.h"') + + for e in events: + argnames = ", ".join(e.args.names()) + if len(e.args) > 0: + argnames = ', ' + argnames + + out(''' +DEFINE_TRACE(ust_%(name)s); + +static void ust_%(name)s_probe(%(args)s) +{ + trace_mark(ust, %(name)s, %(fmt)s%(argnames)s); +}''' % + { + 'name': e.name, + 'args': e.args, + 'fmt': e.fmt, + 'argnames': argnames, + }) + + else: + out(''' +DEFINE_TRACE(ust_%(name)s); + +static void ust_%(name)s_probe(%(args)s) +{ + trace_mark(ust, %(name)s, UST_MARKER_NOARGS); +}''' % + { + 'name': e.name, + 'args': e.args, + }) + + # register probes + out('', + 'static void __attribute__((constructor)) trace_init(void)', + '{') + + for e in events: + out(' register_trace_ust_%(name)s(ust_%(name)s_probe);' % + { + 'name': e.name, + }) + + out('}') + + +def h(events): + out('#include ', + '#undef mutex_lock', + '#undef mutex_unlock', + '#undef inline', + '#undef wmb') + + for e in events: + if len(e.args) > 0: + out(''' +DECLARE_TRACE(ust_%(name)s, TP_PROTO(%(args)s), TP_ARGS(%(argnames)s)); +#define trace_%(name)s trace_ust_%(name)s''' % + { + 'name': e.name, + 'args': e.args, + 'argnames': ", ".join(e.args.names()) + }) + + else: + out(''' +_DECLARE_TRACEPOINT_NOARGS(ust_%(name)s); +#define trace_%(name)s trace_ust_%(name)s''' % + { + 'name': e.name, + }) + + out()