1#!/usr/bin/env python 2# -*- coding: utf-8 -*- 3 4""" 5Stderr built-in backend. 6""" 7 8__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" 9__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>" 10__license__ = "GPL version 2 or (at your option) any later version" 11 12__maintainer__ = "Stefan Hajnoczi" 13__email__ = "stefanha@linux.vnet.ibm.com" 14 15 16from tracetool import out 17 18 19PUBLIC = True 20 21 22def generate_h_begin(events): 23 out('#include "trace/control.h"', 24 '#include "qemu/log.h"', 25 '') 26 27 28def generate_h(event): 29 argnames = ", ".join(event.args.names()) 30 if len(event.args) > 0: 31 argnames = ", " + argnames 32 33 if "vcpu" in event.properties: 34 # already checked on the generic format code 35 cond = "true" 36 else: 37 cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper()) 38 39 out(' if (%(cond)s) {', 40 ' struct timeval _now;', 41 ' gettimeofday(&_now, NULL);', 42 ' qemu_log_mask(LOG_TRACE, "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",', 43 ' getpid(),', 44 ' (size_t)_now.tv_sec, (size_t)_now.tv_usec', 45 ' %(argnames)s);', 46 ' }', 47 cond=cond, 48 name=event.name, 49 fmt=event.fmt.rstrip("\n"), 50 argnames=argnames) 51