1#!/usr/bin/env python 2# -*- coding: utf-8 -*- 3 4""" 5trace/generated-tracers.h 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 19def generate(events, backend, group): 20 out('/* This file is autogenerated by tracetool, do not edit. */', 21 '', 22 '#ifndef TRACE_%s_GENERATED_TRACERS_H' % group.upper(), 23 '#define TRACE_%s_GENERATED_TRACERS_H' % group.upper(), 24 '', 25 '#include "qemu-common.h"', 26 '#include "trace/control.h"', 27 '') 28 29 for e in events: 30 out('extern TraceEvent %(event)s;', 31 event = e.api(e.QEMU_EVENT)) 32 33 for e in events: 34 out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE)) 35 36 # static state 37 for e in events: 38 if 'disable' in e.properties: 39 enabled = 0 40 else: 41 enabled = 1 42 if "tcg-exec" in e.properties: 43 # a single define for the two "sub-events" 44 out('#define TRACE_%(name)s_ENABLED %(enabled)d', 45 name=e.original.name.upper(), 46 enabled=enabled) 47 out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled)) 48 49 backend.generate_begin(events, group) 50 51 for e in events: 52 if "vcpu" in e.properties: 53 trace_cpu = next(iter(e.args))[1] 54 cond = "trace_event_get_vcpu_state(%(cpu)s,"\ 55 " TRACE_%(id)s)"\ 56 % dict( 57 cpu=trace_cpu, 58 id=e.name.upper()) 59 else: 60 cond = "true" 61 62 out('', 63 'static inline void %(api)s(%(args)s)', 64 '{', 65 ' if (%(cond)s) {', 66 api=e.api(), 67 args=e.args, 68 cond=cond) 69 70 if "disable" not in e.properties: 71 backend.generate(e, group) 72 73 out(' }', 74 '}') 75 76 backend.generate_end(events, group) 77 78 out('#endif /* TRACE_%s_GENERATED_TRACERS_H */' % group.upper()) 79