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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Stderr built-in backend.
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012, 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
PUBLIC = True
def c(events):
pass
def h(events):
out('#include <stdio.h>',
'#include "trace/control.h"',
'',
)
for e in events:
argnames = ", ".join(e.args.names())
if len(e.args) > 0:
argnames = ", " + argnames
out('static inline void trace_%(name)s(%(args)s)',
'{',
' bool _state = trace_event_get_state(%(event_id)s);',
' if (_state) {',
' fprintf(stderr, "%(name)s " %(fmt)s "\\n" %(argnames)s);',
' }',
'}',
name = e.name,
args = e.args,
event_id = "TRACE_" + e.name.upper(),
fmt = e.fmt.rstrip("\n"),
argnames = argnames,
)
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