qemu-patch-raspberry4/scripts/tracetool/backend/stderr.py
Lluís Vilanova 1dad2ce973 trace: [tracetool] Minimize the amount of per-backend code
Backends now only contain the essential backend-specific code, and most of the work is moved to frontend code.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-07 19:07:18 +02:00

40 lines
947 B
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Stderr built-in backend.
"""
__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
PUBLIC = True
def generate_h_begin(events):
out('#include <stdio.h>',
'#include "trace/control.h"',
'')
def generate_h(event):
argnames = ", ".join(event.args.names())
if len(event.args) > 0:
argnames = ", " + argnames
out(' if (trace_event_get_state(%(event_id)s)) {',
' fprintf(stderr, "%(name)s " %(fmt)s "\\n" %(argnames)s);',
' }',
event_id="TRACE_" + event.name.upper(),
name=event.name,
fmt=event.fmt.rstrip("\n"),
argnames=argnames)