From patchwork Mon Apr 2 21:44:52 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: 150273 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 69143B6ED0 for ; Tue, 3 Apr 2012 08:26:43 +1000 (EST) Received: from localhost ([::1]:46558 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SEp3t-0001Ad-9g for incoming@patchwork.ozlabs.org; Mon, 02 Apr 2012 17:45:17 -0400 Received: from eggs.gnu.org ([208.118.235.92]:54652) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SEp3X-0000Qg-C9 for qemu-devel@nongnu.org; Mon, 02 Apr 2012 17:44:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SEp3R-00029F-Gz for qemu-devel@nongnu.org; Mon, 02 Apr 2012 17:44:53 -0400 Received: from roura.ac.upc.es ([147.83.33.10]:57580) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SEp3R-00024V-5s for qemu-devel@nongnu.org; Mon, 02 Apr 2012 17:44:49 -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 q32LiiKX029095; Mon, 2 Apr 2012 23:44:44 +0200 Received: from localhost (unknown [84.88.53.92]) by gw.ac.upc.edu (Postfix) with ESMTP id B888E2D0017; Mon, 2 Apr 2012 23:44:43 +0200 (CEST) From: =?utf-8?b?TGx1w61z?= Vilanova To: qemu-devel@nongnu.org Date: Mon, 2 Apr 2012 23:44:52 +0200 Message-Id: <20120402214452.775.53647.stgit@ginnungagap.bsc.es> X-Mailer: git-send-email 1.7.9.1 In-Reply-To: <20120402214417.775.35250.stgit@ginnungagap.bsc.es> References: <20120402214417.775.35250.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 q32LiiKX029095 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] [PATCH v7 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 | 90 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 90 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..31a2ff0 --- /dev/null +++ b/scripts/tracetool/backend/ust.py @@ -0,0 +1,90 @@ +#!/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 + + +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()