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1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM mmap_lock
4
5#if !defined(_TRACE_MMAP_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_MMAP_LOCK_H
7
8#include <linux/tracepoint.h>
9#include <linux/types.h>
10
11struct mm_struct;
12
13extern int trace_mmap_lock_reg(void);
14extern void trace_mmap_lock_unreg(void);
15
16DECLARE_EVENT_CLASS(mmap_lock,
17
18 TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
19
20 TP_ARGS(mm, memcg_path, write),
21
22 TP_STRUCT__entry(
23 __field(struct mm_struct *, mm)
24 __string(memcg_path, memcg_path)
25 __field(bool, write)
26 ),
27
28 TP_fast_assign(
29 __entry->mm = mm;
30 __assign_str(memcg_path, memcg_path);
31 __entry->write = write;
32 ),
33
34 TP_printk(
35 "mm=%p memcg_path=%s write=%s",
36 __entry->mm,
37 __get_str(memcg_path),
38 __entry->write ? "true" : "false"
39 )
40);
41
42#define DEFINE_MMAP_LOCK_EVENT(name) \
43 DEFINE_EVENT_FN(mmap_lock, name, \
44 TP_PROTO(struct mm_struct *mm, const char *memcg_path, \
45 bool write), \
46 TP_ARGS(mm, memcg_path, write), \
47 trace_mmap_lock_reg, trace_mmap_lock_unreg)
48
49DEFINE_MMAP_LOCK_EVENT(mmap_lock_start_locking);
50DEFINE_MMAP_LOCK_EVENT(mmap_lock_released);
51
52TRACE_EVENT_FN(mmap_lock_acquire_returned,
53
54 TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write,
55 bool success),
56
57 TP_ARGS(mm, memcg_path, write, success),
58
59 TP_STRUCT__entry(
60 __field(struct mm_struct *, mm)
61 __string(memcg_path, memcg_path)
62 __field(bool, write)
63 __field(bool, success)
64 ),
65
66 TP_fast_assign(
67 __entry->mm = mm;
68 __assign_str(memcg_path, memcg_path);
69 __entry->write = write;
70 __entry->success = success;
71 ),
72
73 TP_printk(
74 "mm=%p memcg_path=%s write=%s success=%s",
75 __entry->mm,
76 __get_str(memcg_path),
77 __entry->write ? "true" : "false",
78 __entry->success ? "true" : "false"
79 ),
80
81 trace_mmap_lock_reg, trace_mmap_lock_unreg
82);
83
84#endif /* _TRACE_MMAP_LOCK_H */
85
86/* This part must be outside protection */
87#include <trace/define_trace.h>
1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM mmap_lock
4
5#if !defined(_TRACE_MMAP_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_MMAP_LOCK_H
7
8#include <linux/tracepoint.h>
9#include <linux/types.h>
10
11struct mm_struct;
12
13extern int trace_mmap_lock_reg(void);
14extern void trace_mmap_lock_unreg(void);
15
16TRACE_EVENT_FN(mmap_lock_start_locking,
17
18 TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
19
20 TP_ARGS(mm, memcg_path, write),
21
22 TP_STRUCT__entry(
23 __field(struct mm_struct *, mm)
24 __string(memcg_path, memcg_path)
25 __field(bool, write)
26 ),
27
28 TP_fast_assign(
29 __entry->mm = mm;
30 __assign_str(memcg_path, memcg_path);
31 __entry->write = write;
32 ),
33
34 TP_printk(
35 "mm=%p memcg_path=%s write=%s\n",
36 __entry->mm,
37 __get_str(memcg_path),
38 __entry->write ? "true" : "false"
39 ),
40
41 trace_mmap_lock_reg, trace_mmap_lock_unreg
42);
43
44TRACE_EVENT_FN(mmap_lock_acquire_returned,
45
46 TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write,
47 bool success),
48
49 TP_ARGS(mm, memcg_path, write, success),
50
51 TP_STRUCT__entry(
52 __field(struct mm_struct *, mm)
53 __string(memcg_path, memcg_path)
54 __field(bool, write)
55 __field(bool, success)
56 ),
57
58 TP_fast_assign(
59 __entry->mm = mm;
60 __assign_str(memcg_path, memcg_path);
61 __entry->write = write;
62 __entry->success = success;
63 ),
64
65 TP_printk(
66 "mm=%p memcg_path=%s write=%s success=%s\n",
67 __entry->mm,
68 __get_str(memcg_path),
69 __entry->write ? "true" : "false",
70 __entry->success ? "true" : "false"
71 ),
72
73 trace_mmap_lock_reg, trace_mmap_lock_unreg
74);
75
76TRACE_EVENT_FN(mmap_lock_released,
77
78 TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
79
80 TP_ARGS(mm, memcg_path, write),
81
82 TP_STRUCT__entry(
83 __field(struct mm_struct *, mm)
84 __string(memcg_path, memcg_path)
85 __field(bool, write)
86 ),
87
88 TP_fast_assign(
89 __entry->mm = mm;
90 __assign_str(memcg_path, memcg_path);
91 __entry->write = write;
92 ),
93
94 TP_printk(
95 "mm=%p memcg_path=%s write=%s\n",
96 __entry->mm,
97 __get_str(memcg_path),
98 __entry->write ? "true" : "false"
99 ),
100
101 trace_mmap_lock_reg, trace_mmap_lock_unreg
102);
103
104#endif /* _TRACE_MMAP_LOCK_H */
105
106/* This part must be outside protection */
107#include <trace/define_trace.h>