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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
trace/generated-ust-provider.h
"""
__author__ = "Mohamad Gebai <mohamad.gebai@polymtl.ca>"
__copyright__ = "Copyright 2012, Mohamad Gebai <mohamad.gebai@polymtl.ca>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@redhat.com"
from tracetool import out
def generate(events, backend):
events = [e for e in events
if "disabled" not in e.properties]
out('/* This file is autogenerated by tracetool, do not edit. */',
'',
'#undef TRACEPOINT_PROVIDER',
'#define TRACEPOINT_PROVIDER qemu',
'',
'#undef TRACEPOINT_INCLUDE_FILE',
'#define TRACEPOINT_INCLUDE_FILE ./generated-ust-provider.h',
'',
'#if !defined (TRACE__GENERATED_UST_H) || defined(TRACEPOINT_HEADER_MULTI_READ)',
'#define TRACE__GENERATED_UST_H',
'',
'#include "qemu-common.h"',
'#include <lttng/tracepoint.h>',
'',
'/*',
' * LTTng ust 2.0 does not allow you to use TP_ARGS(void) for tracepoints',
' * requiring no arguments. We define these macros introduced in more recent'
' * versions of LTTng ust as a workaround',
' */',
'#ifndef _TP_EXPROTO1',
'#define _TP_EXPROTO1(a) void',
'#endif',
'#ifndef _TP_EXDATA_PROTO1',
'#define _TP_EXDATA_PROTO1(a) void *__tp_data',
'#endif',
'#ifndef _TP_EXDATA_VAR1',
'#define _TP_EXDATA_VAR1(a) __tp_data',
'#endif',
'#ifndef _TP_EXVAR1',
'#define _TP_EXVAR1(a)',
'#endif',
'')
for e in events:
if len(e.args) > 0:
out('TRACEPOINT_EVENT(',
' qemu,',
' %(name)s,',
' TP_ARGS(%(args)s),',
' TP_FIELDS(',
name=e.name,
args=", ".join(", ".join(i) for i in e.args))
types = e.args.types()
names = e.args.names()
fmts = e.arg_fmts
for t,n,f in zip(types, names, fmts):
if ('char *' in t) or ('char*' in t):
out(' ctf_string(' + n + ', ' + n + ')')
elif ("%p" in f) or ("x" in f) or ("PRIx" in f):
out(' ctf_integer_hex('+ t + ', ' + n + ', ' + n + ')')
elif ("ptr" in t) or ("*" in t):
out(' ctf_integer_hex('+ t + ', ' + n + ', ' + n + ')')
elif ('int' in t) or ('long' in t) or ('unsigned' in t) or ('size_t' in t):
out(' ctf_integer(' + t + ', ' + n + ', ' + n + ')')
elif ('double' in t) or ('float' in t):
out(' ctf_float(' + t + ', ' + n + ', ' + n + ')')
elif ('void *' in t) or ('void*' in t):
out(' ctf_integer_hex(unsigned long, ' + n + ', ' + n + ')')
out(' )',
')',
'')
else:
out('TRACEPOINT_EVENT(',
' qemu,',
' %(name)s,',
' TP_ARGS(void),',
' TP_FIELDS()',
')',
'',
name=e.name)
out('#endif /* TRACE__GENERATED_UST_H */',
'',
'/* This part must be outside ifdef protection */',
'#include <lttng/tracepoint-event.h>')
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