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
  26     # event identifiers
  27     out('typedef enum {')
  28
  29     for e in events:
  30         out('    TRACE_%s,' % e.name.upper())
  31
  32     out('    TRACE_EVENT_COUNT',
  33         '} TraceEventID;')
  34
  35     for e in events:
  36         out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
  37
  38     # per-vCPU event identifiers
  39     out('typedef enum {')
  40
  41     for e in events:
  42         if "vcpu" in e.properties:
  43             out('    TRACE_VCPU_%s,' % e.name.upper())
  44
  45     out('    TRACE_VCPU_EVENT_COUNT',
  46         '} TraceEventVCPUID;')
  47
  48     # static state
  49     for e in events:
  50         if 'disable' in e.properties:
  51             enabled = 0
  52         else:
  53             enabled = 1
  54         if "tcg-exec" in e.properties:
  55             # a single define for the two "sub-events"
  56             out('#define TRACE_%(name)s_ENABLED %(enabled)d',
  57                 name=e.original.name.upper(),
  58                 enabled=enabled)
  59         out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
  60
  61     out('#include "trace/event-internal.h"',
  62         '',
  63         '#endif  /* TRACE__GENERATED_EVENTS_H */')