1dad2ce973
Backends now only contain the essential backend-specific code, and most of the work is moved to frontend code. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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trace/generated-ust-provider.h
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"""
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__author__ = "Mohamad Gebai <mohamad.gebai@polymtl.ca>"
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__copyright__ = "Copyright 2012, Mohamad Gebai <mohamad.gebai@polymtl.ca>"
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__license__ = "GPL version 2 or (at your option) any later version"
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__maintainer__ = "Stefan Hajnoczi"
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__email__ = "stefanha@redhat.com"
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from tracetool import out
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def generate(events, backend):
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events = [e for e in events
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if "disabled" not in e.properties]
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out('/* This file is autogenerated by tracetool, do not edit. */',
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'',
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'#undef TRACEPOINT_PROVIDER',
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'#define TRACEPOINT_PROVIDER qemu',
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'',
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'#undef TRACEPOINT_INCLUDE_FILE',
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'#define TRACEPOINT_INCLUDE_FILE ./generated-ust-provider.h',
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'',
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'#if !defined (TRACE__GENERATED_UST_H) || defined(TRACEPOINT_HEADER_MULTI_READ)',
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'#define TRACE__GENERATED_UST_H',
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'',
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'#include "qemu-common.h"',
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'#include <lttng/tracepoint.h>',
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'',
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'/*',
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' * LTTng ust 2.0 does not allow you to use TP_ARGS(void) for tracepoints',
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' * requiring no arguments. We define these macros introduced in more recent'
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' * versions of LTTng ust as a workaround',
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' */',
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'#ifndef _TP_EXPROTO1',
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'#define _TP_EXPROTO1(a) void',
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'#endif',
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'#ifndef _TP_EXDATA_PROTO1',
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'#define _TP_EXDATA_PROTO1(a) void *__tp_data',
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'#endif',
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'#ifndef _TP_EXDATA_VAR1',
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'#define _TP_EXDATA_VAR1(a) __tp_data',
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'#endif',
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'#ifndef _TP_EXVAR1',
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'#define _TP_EXVAR1(a)',
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'#endif',
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'')
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for e in events:
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if len(e.args) > 0:
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out('TRACEPOINT_EVENT(',
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' qemu,',
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' %(name)s,',
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' TP_ARGS(%(args)s),',
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' TP_FIELDS(',
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name=e.name,
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args=", ".join(", ".join(i) for i in e.args))
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for t, n in e.args:
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if ('int' in t) or ('long' in t) or ('unsigned' in t) or ('size_t' in t):
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out(' ctf_integer(' + t + ', ' + n + ', ' + n + ')')
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elif ('double' in t) or ('float' in t):
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out(' ctf_float(' + t + ', ' + n + ', ' + n + ')')
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elif ('char *' in t) or ('char*' in t):
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out(' ctf_string(' + n + ', ' + n + ')')
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elif ('void *' in t) or ('void*' in t):
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out(' ctf_integer_hex(unsigned long, ' + n + ', ' + n + ')')
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out(' )',
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')',
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'')
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else:
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out('TRACEPOINT_EVENT(',
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' qemu,',
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' %(name)s,',
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' TP_ARGS(void),',
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' TP_FIELDS()',
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')',
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'',
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name=e.name)
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out('#endif /* TRACE__GENERATED_UST_H */',
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'',
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'/* This part must be outside ifdef protection */',
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'#include <lttng/tracepoint-event.h>')
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