From patchwork Mon Apr 2 21:44:47 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [v7,5/8] tracetool: Add support for the 'simple' backend From: =?utf-8?q?Llu=C3=ADs_Vilanova?= X-Patchwork-Id: 150267 Message-Id: <20120402214446.775.67160.stgit@ginnungagap.bsc.es> To: qemu-devel@nongnu.org Cc: stefanha@gmail.com Date: Mon, 2 Apr 2012 23:44:47 +0200 Signed-off-by: Lluís Vilanova --- scripts/tracetool/backend/simple.py | 55 +++++++++++++++++++++++++++++++++++ 1 files changed, 55 insertions(+), 0 deletions(-) create mode 100644 scripts/tracetool/backend/simple.py diff --git a/scripts/tracetool/backend/simple.py b/scripts/tracetool/backend/simple.py new file mode 100644 index 0000000..fbb5717 --- /dev/null +++ b/scripts/tracetool/backend/simple.py @@ -0,0 +1,55 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Simple built-in 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 "trace.h"', + '', + 'TraceEvent trace_list[] = {') + + for e in events: + out('{.tp_name = "%(name)s", .state=0},', + name = e.name, + ) + + out('};') + +def h(events): + out('#include "trace/simple.h"', + '') + + for num, e in enumerate(events): + if len(e.args): + argstr = e.args.names() + arg_prefix = ', (uint64_t)(uintptr_t)' + cast_args = arg_prefix + arg_prefix.join(argstr) + simple_args = (str(num) + cast_args) + else: + simple_args = str(num) + + out('static inline void trace_%(name)s(%(args)s)', + '{', + ' trace%(argc)d(%(trace_args)s);', + '}', + name = e.name, + args = e.args, + argc = len(e.args), + trace_args = simple_args, + ) + + out('#define NR_TRACE_EVENTS %d' % len(events)) + out('extern TraceEvent trace_list[NR_TRACE_EVENTS];')