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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
trace/generated-tracers.dtrace (DTrace only).
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
__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 generate(events, backend):
events = [e for e in events
if "disable" not in e.properties]
out('/* This file is autogenerated by tracetool, do not edit. */'
'',
'provider qemu {')
for e in events:
args = str(e.args)
# DTrace provider syntax expects foo() for empty
# params, not foo(void)
if args == 'void':
args = ''
# Define prototype for probe arguments
out('',
'probe %(name)s(%(args)s);',
name=e.name,
args=args)
out('',
'};')
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