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# -*- coding: utf-8 -*-
"""
Stderr built-in backend.
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2017, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@redhat.com"
import os.path
from tracetool import out
PUBLIC = True
def generate_h_begin(events, group):
out('#include "qemu/log-for-trace.h"',
'#include "qemu/error-report.h"',
'')
def generate_h(event, group):
argnames = ", ".join(event.args.names())
if len(event.args) > 0:
argnames = ", " + argnames
if "vcpu" in event.properties:
# already checked on the generic format code
cond = "true"
else:
cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper())
out(' if (%(cond)s && qemu_loglevel_mask(LOG_TRACE)) {',
' if (message_with_timestamp) {',
' struct timeval _now;',
' gettimeofday(&_now, NULL);',
'#line %(event_lineno)d "%(event_filename)s"',
' qemu_log("%%d@%%zu.%%06zu:%(name)s " %(fmt)s "\\n",',
' qemu_get_thread_id(),',
' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
' %(argnames)s);',
'#line %(out_next_lineno)d "%(out_filename)s"',
' } else {',
'#line %(event_lineno)d "%(event_filename)s"',
' qemu_log("%(name)s " %(fmt)s "\\n"%(argnames)s);',
'#line %(out_next_lineno)d "%(out_filename)s"',
' }',
' }',
cond=cond,
event_lineno=event.lineno,
event_filename=os.path.relpath(event.filename),
name=event.name,
fmt=event.fmt.rstrip("\n"),
argnames=argnames)
def generate_h_backend_dstate(event, group):
out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\',
event_id="TRACE_" + event.name.upper())
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