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@linux.vnet.ibm.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 ' qemu_log("%%d@%%zu.%%06zu:%(name)s " %(fmt)s "\\n",', 41 ' qemu_get_thread_id(),', 42 ' (size_t)_now.tv_sec, (size_t)_now.tv_usec', 43 ' %(argnames)s);', 44 ' }', 45 cond=cond, 46 name=event.name, 47 fmt=event.fmt.rstrip("\n"), 48 argnames=argnames) 49 50 51def generate_h_backend_dstate(event, group): 52 out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\', 53 event_id="TRACE_" + event.name.upper()) 54