scripts/tracetool/format/events_h.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 trace/generated-events.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
  16 from tracetool import out
  17
  18
  19 def generate(events, backend):
  20     out('/* This file is autogenerated by tracetool, do not edit. */',
  21         '',
  22         '#ifndef TRACE__GENERATED_EVENTS_H',
  23         '#define TRACE__GENERATED_EVENTS_H',
  24         '',
  25         '#include "trace/event-internal.h"',
  26         )
  27
  28     for e in events:
  29         out('extern TraceEvent %(event)s;',
  30             event = e.api(e.QEMU_EVENT))
  31
  32     for e in events:
  33         out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
  34
  35     numvcpu = len([e for e in events if "vcpu" in e.properties])
  36
  37     out("#define TRACE_VCPU_EVENT_COUNT %d" % numvcpu)
  38
  39     # static state
  40     for e in events:
  41         if 'disable' in e.properties:
  42             enabled = 0
  43         else:
  44             enabled = 1
  45         if "tcg-exec" in e.properties:
  46             # a single define for the two "sub-events"
  47             out('#define TRACE_%(name)s_ENABLED %(enabled)d',
  48                 name=e.original.name.upper(),
  49                 enabled=enabled)
  50         out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
  51
  52     out('',
  53         '#endif  /* TRACE__GENERATED_EVENTS_H */')