1# -*- coding: utf-8 -*- 2 3""" 4Stderr built-in backend. 5""" 6 7__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" 8__copyright__ = "Copyright 2012-2017, Lluís Vilanova <vilanova@ac.upc.edu>" 9__license__ = "GPL version 2 or (at your option) any later version" 10 11__maintainer__ = "Stefan Hajnoczi" 12__email__ = "stefanha@redhat.com" 13 14 15from tracetool import out 16 17 18PUBLIC = True 19 20 21def generate_h_begin(events, group): 22 out('#include "qemu/log-for-trace.h"', 23 '') 24 25 26def generate_h(event, group): 27 argnames = ", ".join(event.args.names()) 28 if len(event.args) > 0: 29 argnames = ", " + argnames 30 31 if "vcpu" in event.properties: 32 # already checked on the generic format code 33 cond = "true" 34 else: 35 cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper()) 36 37 out(' if (%(cond)s && qemu_loglevel_mask(LOG_TRACE)) {', 38 ' struct timeval _now;', 39 ' gettimeofday(&_now, NULL);', 40 '#line %(event_lineno)d "%(event_filename)s"', 41 ' qemu_log("%%d@%%zu.%%06zu:%(name)s " %(fmt)s "\\n",', 42 ' qemu_get_thread_id(),', 43 ' (size_t)_now.tv_sec, (size_t)_now.tv_usec', 44 ' %(argnames)s);', 45 '#line %(out_next_lineno)d "%(out_filename)s"', 46 ' }', 47 cond=cond, 48 event_lineno=event.lineno, 49 event_filename=event.filename, 50 name=event.name, 51 fmt=event.fmt.rstrip("\n"), 52 argnames=argnames) 53 54 55def generate_h_backend_dstate(event, group): 56 out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\', 57 event_id="TRACE_" + event.name.upper()) 58