jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3
4"""
5trace/generated-tracers.dtrace (DTrace only).
6"""
7
8__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
9__copyright__ = "Copyright 2012-2014, 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
16from tracetool import out
17
18
19# Reserved keywords from
20# https://wikis.oracle.com/display/DTrace/Types,+Operators+and+Expressions
21RESERVED_WORDS = (
22 'auto', 'goto', 'sizeof', 'break', 'if', 'static', 'case', 'import',
23 'string', 'char', 'inline', 'stringof', 'const', 'int', 'struct',
24 'continue', 'long', 'switch', 'counter', 'offsetof', 'this',
25 'default', 'probe', 'translator', 'do', 'provider', 'typedef',
26 'double', 'register', 'union', 'else', 'restrict', 'unsigned',
27 'enum', 'return', 'void', 'extern', 'self', 'volatile', 'float',
28 'short', 'while', 'for', 'signed', 'xlate',
29)
30
31
32def generate(events, backend, group):
33 events = [e for e in events
34 if "disable" not in e.properties]
35
36 out('/* This file is autogenerated by tracetool, do not edit. */'
37 '',
38 'provider qemu {')
39
40 for e in events:
41 args = []
42 for type_, name in e.args:
43 if name in RESERVED_WORDS:
44 name += '_'
45 args.append(type_ + ' ' + name)
46
47 # Define prototype for probe arguments
48 out('',
49 'probe %(name)s(%(args)s);',
50 name=e.name,
51 args=','.join(args))
52
53 out('',
54 '};')