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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2009-2021 Christoph Hellwig
*
* NOTE: none of these tracepoints shall be considered a stable kernel ABI
* as they can change at any time.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iomap
#if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _IOMAP_TRACE_H
#include <linux/tracepoint.h>
struct inode;
DECLARE_EVENT_CLASS(iomap_readpage_class,
TP_PROTO(struct inode *inode, int nr_pages),
TP_ARGS(inode, nr_pages),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u64, ino)
__field(int, nr_pages)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->nr_pages = nr_pages;
),
TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->nr_pages)
)
#define DEFINE_READPAGE_EVENT(name) \
DEFINE_EVENT(iomap_readpage_class, name, \
TP_PROTO(struct inode *inode, int nr_pages), \
TP_ARGS(inode, nr_pages))
DEFINE_READPAGE_EVENT(iomap_readpage);
DEFINE_READPAGE_EVENT(iomap_readahead);
DECLARE_EVENT_CLASS(iomap_range_class,
TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),
TP_ARGS(inode, off, len),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u64, ino)
__field(loff_t, size)
__field(unsigned long, offset)
__field(unsigned int, length)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->size = i_size_read(inode);
__entry->offset = off;
__entry->length = len;
),
TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset %lx "
"length %x",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->size,
__entry->offset,
__entry->length)
)
#define DEFINE_RANGE_EVENT(name) \
DEFINE_EVENT(iomap_range_class, name, \
TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),\
TP_ARGS(inode, off, len))
DEFINE_RANGE_EVENT(iomap_writepage);
DEFINE_RANGE_EVENT(iomap_releasepage);
DEFINE_RANGE_EVENT(iomap_invalidatepage);
DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
#define IOMAP_TYPE_STRINGS \
{ IOMAP_HOLE, "HOLE" }, \
{ IOMAP_DELALLOC, "DELALLOC" }, \
{ IOMAP_MAPPED, "MAPPED" }, \
{ IOMAP_UNWRITTEN, "UNWRITTEN" }, \
{ IOMAP_INLINE, "INLINE" }
#define IOMAP_FLAGS_STRINGS \
{ IOMAP_WRITE, "WRITE" }, \
{ IOMAP_ZERO, "ZERO" }, \
{ IOMAP_REPORT, "REPORT" }, \
{ IOMAP_FAULT, "FAULT" }, \
{ IOMAP_DIRECT, "DIRECT" }, \
{ IOMAP_NOWAIT, "NOWAIT" }
#define IOMAP_F_FLAGS_STRINGS \
{ IOMAP_F_NEW, "NEW" }, \
{ IOMAP_F_DIRTY, "DIRTY" }, \
{ IOMAP_F_SHARED, "SHARED" }, \
{ IOMAP_F_MERGED, "MERGED" }, \
{ IOMAP_F_BUFFER_HEAD, "BH" }, \
{ IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" }
DECLARE_EVENT_CLASS(iomap_class,
TP_PROTO(struct inode *inode, struct iomap *iomap),
TP_ARGS(inode, iomap),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u64, ino)
__field(u64, addr)
__field(loff_t, offset)
__field(u64, length)
__field(u16, type)
__field(u16, flags)
__field(dev_t, bdev)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->addr = iomap->addr;
__entry->offset = iomap->offset;
__entry->length = iomap->length;
__entry->type = iomap->type;
__entry->flags = iomap->flags;
__entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
),
TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr %lld offset %lld "
"length %llu type %s flags %s",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
MAJOR(__entry->bdev), MINOR(__entry->bdev),
__entry->addr,
__entry->offset,
__entry->length,
__print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
__print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
)
#define DEFINE_IOMAP_EVENT(name) \
DEFINE_EVENT(iomap_class, name, \
TP_PROTO(struct inode *inode, struct iomap *iomap), \
TP_ARGS(inode, iomap))
DEFINE_IOMAP_EVENT(iomap_apply_dstmap);
DEFINE_IOMAP_EVENT(iomap_apply_srcmap);
DEFINE_IOMAP_EVENT(iomap_iter_dstmap);
DEFINE_IOMAP_EVENT(iomap_iter_srcmap);
TRACE_EVENT(iomap_apply,
TP_PROTO(struct inode *inode, loff_t pos, loff_t length,
unsigned int flags, const void *ops, void *actor,
unsigned long caller),
TP_ARGS(inode, pos, length, flags, ops, actor, caller),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u64, ino)
__field(loff_t, pos)
__field(loff_t, length)
__field(unsigned int, flags)
__field(const void *, ops)
__field(void *, actor)
__field(unsigned long, caller)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->pos = pos;
__entry->length = length;
__entry->flags = flags;
__entry->ops = ops;
__entry->actor = actor;
__entry->caller = caller;
),
TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) "
"ops %ps caller %pS actor %ps",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->pos,
__entry->length,
__print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
__entry->flags,
__entry->ops,
(void *)__entry->caller,
__entry->actor)
);
TRACE_EVENT(iomap_iter,
TP_PROTO(struct iomap_iter *iter, const void *ops,
unsigned long caller),
TP_ARGS(iter, ops, caller),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u64, ino)
__field(loff_t, pos)
__field(loff_t, length)
__field(unsigned int, flags)
__field(const void *, ops)
__field(unsigned long, caller)
),
TP_fast_assign(
__entry->dev = iter->inode->i_sb->s_dev;
__entry->ino = iter->inode->i_ino;
__entry->pos = iter->pos;
__entry->length = iomap_length(iter);
__entry->flags = iter->flags;
__entry->ops = ops;
__entry->caller = caller;
),
TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) ops %ps caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->pos,
__entry->length,
__print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
__entry->flags,
__entry->ops,
(void *)__entry->caller)
);
#endif /* _IOMAP_TRACE_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>
|