qemu/scripts/tracetool/backend/ust.py

36 lines
800 B
Python
Raw Normal View History

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
LTTng User Space Tracing 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 <lttng/tracepoint.h>',
'#include "trace/generated-ust-provider.h"',
'')
def generate_h(event):
argnames = ", ".join(event.args.names())
if len(event.args) > 0:
argnames = ", " + argnames
out(' tracepoint(qemu, %(name)s%(tp_args)s);',
name=event.name,
tp_args=argnames)