1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#undef TRACE_SYSTEM
#define TRACE_SYSTEM context_tracking
#if !defined(_TRACE_CONTEXT_TRACKING_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_CONTEXT_TRACKING_H
#include <linux/tracepoint.h>
DECLARE_EVENT_CLASS(context_tracking_user,
TP_PROTO(int dummy),
TP_ARGS(dummy),
TP_STRUCT__entry(
__field( int, dummy )
),
TP_fast_assign(
__entry->dummy = dummy;
),
TP_printk("%s", "")
);
/**
* user_enter - called when the kernel resumes to userspace
* @dummy: dummy arg to make trace event macro happy
*
* This event occurs when the kernel resumes to userspace after
* an exception or a syscall.
*/
DEFINE_EVENT(context_tracking_user, user_enter,
TP_PROTO(int dummy),
TP_ARGS(dummy)
);
/**
* user_exit - called when userspace enters the kernel
* @dummy: dummy arg to make trace event macro happy
*
* This event occurs when userspace enters the kernel through
* an exception or a syscall.
*/
DEFINE_EVENT(context_tracking_user, user_exit,
TP_PROTO(int dummy),
TP_ARGS(dummy)
);
#endif /* _TRACE_CONTEXT_TRACKING_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
