scripts/tracetool/format/events_c.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 trace/generated-events.c
   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         '#include "qemu/osdep.h"',
  23         '#include "trace.h"',
  24         '#include "trace/generated-events.h"',
  25         '#include "trace/control.h"',
  26         '')
  27
  28     for e in events:
  29         out('uint16_t %s;' % e.api(e.QEMU_DSTATE))
  30
  31     out('TraceEvent trace_events[TRACE_EVENT_COUNT] = {')
  32
  33     for e in events:
  34         if "vcpu" in e.properties:
  35             vcpu_id = "TRACE_VCPU_" + e.name.upper()
  36         else:
  37             vcpu_id = "TRACE_VCPU_EVENT_COUNT"
  38         out('    { .id = %(id)s, .vcpu_id = %(vcpu_id)s,'
  39             ' .name = \"%(name)s\",'
  40             ' .sstate = %(sstate)s,',
  41             ' .dstate = &%(dstate)s, }, ',
  42             id = "TRACE_" + e.name.upper(),
  43             vcpu_id = vcpu_id,
  44             name = e.name,
  45             sstate = "TRACE_%s_ENABLED" % e.name.upper(),
  46             dstate = e.api(e.QEMU_DSTATE))
  47
  48     out('};',
  49         '')