log.py (2023B)
1 # -*- coding: utf-8 -*- 2 3 """ 4 Stderr 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 15 from tracetool import out 16 17 18 PUBLIC = True 19 20 21 def generate_h_begin(events, group): 22 out('#include "qemu/log-for-trace.h"', 23 '#include "qemu/error-report.h"', 24 '') 25 26 27 def generate_h(event, group): 28 argnames = ", ".join(event.args.names()) 29 if len(event.args) > 0: 30 argnames = ", " + argnames 31 32 if "vcpu" in event.properties: 33 # already checked on the generic format code 34 cond = "true" 35 else: 36 cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper()) 37 38 out(' if (%(cond)s && qemu_loglevel_mask(LOG_TRACE)) {', 39 ' if (message_with_timestamp) {', 40 ' struct timeval _now;', 41 ' gettimeofday(&_now, NULL);', 42 '#line %(event_lineno)d "%(event_filename)s"', 43 ' qemu_log("%%d@%%zu.%%06zu:%(name)s " %(fmt)s "\\n",', 44 ' qemu_get_thread_id(),', 45 ' (size_t)_now.tv_sec, (size_t)_now.tv_usec', 46 ' %(argnames)s);', 47 '#line %(out_next_lineno)d "%(out_filename)s"', 48 ' } else {', 49 '#line %(event_lineno)d "%(event_filename)s"', 50 ' qemu_log("%(name)s " %(fmt)s "\\n"%(argnames)s);', 51 '#line %(out_next_lineno)d "%(out_filename)s"', 52 ' }', 53 ' }', 54 cond=cond, 55 event_lineno=event.lineno, 56 event_filename=event.filename, 57 name=event.name, 58 fmt=event.fmt.rstrip("\n"), 59 argnames=argnames) 60 61 62 def generate_h_backend_dstate(event, group): 63 out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\', 64 event_id="TRACE_" + event.name.upper())