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8
9#ifdef CREATE_TRACE_POINTS
10#undef TRACE_SYSTEM
11#define TRACE_SYSTEM module
12#endif
13
14#if !defined(_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ)
15#define _TRACE_MODULE_H
16
17#include <linux/tracepoint.h>
18
19#ifdef CONFIG_MODULES
20
21struct module;
22
23#define show_module_flags(flags) __print_flags(flags, "", \
24 { (1UL << TAINT_PROPRIETARY_MODULE), "P" }, \
25 { (1UL << TAINT_OOT_MODULE), "O" }, \
26 { (1UL << TAINT_FORCED_MODULE), "F" }, \
27 { (1UL << TAINT_CRAP), "C" }, \
28 { (1UL << TAINT_UNSIGNED_MODULE), "E" })
29
30TRACE_EVENT(module_load,
31
32 TP_PROTO(struct module *mod),
33
34 TP_ARGS(mod),
35
36 TP_STRUCT__entry(
37 __field( unsigned int, taints )
38 __string( name, mod->name )
39 ),
40
41 TP_fast_assign(
42 __entry->taints = mod->taints;
43 __assign_str(name, mod->name);
44 ),
45
46 TP_printk("%s %s", __get_str(name), show_module_flags(__entry->taints))
47);
48
49TRACE_EVENT(module_free,
50
51 TP_PROTO(struct module *mod),
52
53 TP_ARGS(mod),
54
55 TP_STRUCT__entry(
56 __string( name, mod->name )
57 ),
58
59 TP_fast_assign(
60 __assign_str(name, mod->name);
61 ),
62
63 TP_printk("%s", __get_str(name))
64);
65
66#ifdef CONFIG_MODULE_UNLOAD
67
68
69DECLARE_EVENT_CLASS(module_refcnt,
70
71 TP_PROTO(struct module *mod, unsigned long ip),
72
73 TP_ARGS(mod, ip),
74
75 TP_STRUCT__entry(
76 __field( unsigned long, ip )
77 __field( int, refcnt )
78 __string( name, mod->name )
79 ),
80
81 TP_fast_assign(
82 __entry->ip = ip;
83 __entry->refcnt = atomic_read(&mod->refcnt);
84 __assign_str(name, mod->name);
85 ),
86
87 TP_printk("%s call_site=%ps refcnt=%d",
88 __get_str(name), (void *)__entry->ip, __entry->refcnt)
89);
90
91DEFINE_EVENT(module_refcnt, module_get,
92
93 TP_PROTO(struct module *mod, unsigned long ip),
94
95 TP_ARGS(mod, ip)
96);
97
98DEFINE_EVENT(module_refcnt, module_put,
99
100 TP_PROTO(struct module *mod, unsigned long ip),
101
102 TP_ARGS(mod, ip)
103);
104#endif
105
106TRACE_EVENT(module_request,
107
108 TP_PROTO(char *name, bool wait, unsigned long ip),
109
110 TP_ARGS(name, wait, ip),
111
112 TP_STRUCT__entry(
113 __field( unsigned long, ip )
114 __field( bool, wait )
115 __string( name, name )
116 ),
117
118 TP_fast_assign(
119 __entry->ip = ip;
120 __entry->wait = wait;
121 __assign_str(name, name);
122 ),
123
124 TP_printk("%s wait=%d call_site=%ps",
125 __get_str(name), (int)__entry->wait, (void *)__entry->ip)
126);
127
128#endif
129
130#endif
131
132
133#include <trace/define_trace.h>
134