scripts/tracetool/format/h.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 trace/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
  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_TRACERS_H',
  23         '#define TRACE__GENERATED_TRACERS_H',
  24         '',
  25         '#include "qemu-common.h"',
  26         '#include "trace/control.h"',
  27         '')
  28
  29     backend.generate_begin(events)
  30
  31     for e in events:
  32         if "vcpu" in e.properties:
  33             trace_cpu = next(iter(e.args))[1]
  34             cond = "trace_event_get_vcpu_state(%(cpu)s,"\
  35                    " TRACE_%(id)s,"\
  36                    " TRACE_VCPU_%(id)s)"\
  37                    % dict(
  38                        cpu=trace_cpu,
  39                        id=e.name.upper())
  40         else:
  41             cond = "true"
  42
  43         out('',
  44             'static inline void %(api)s(%(args)s)',
  45             '{',
  46             '    if (%(cond)s) {',
  47             api=e.api(),
  48             args=e.args,
  49             cond=cond)
  50
  51         if "disable" not in e.properties:
  52             backend.generate(e)
  53
  54         out('    }',
  55             '}')
  56
  57     backend.generate_end(events)
  58
  59     out('#endif /* TRACE__GENERATED_TRACERS_H */')