1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2009-2021 Christoph Hellwig
4 *
5 * NOTE: none of these tracepoints shall be considered a stable kernel ABI
6 * as they can change at any time.
7 *
8 * Current conventions for printing numbers measuring specific units:
9 *
10 * offset: byte offset into a subcomponent of a file operation
11 * pos: file offset, in bytes
12 * length: length of a file operation, in bytes
13 * ino: inode number
14 *
15 * Numbers describing space allocations should be formatted in hexadecimal.
16 */
17#undef TRACE_SYSTEM
18#define TRACE_SYSTEM iomap
19
20#if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
21#define _IOMAP_TRACE_H
22
23#include <linux/tracepoint.h>
24
25struct inode;
26
27DECLARE_EVENT_CLASS(iomap_readpage_class,
28 TP_PROTO(struct inode *inode, int nr_pages),
29 TP_ARGS(inode, nr_pages),
30 TP_STRUCT__entry(
31 __field(dev_t, dev)
32 __field(u64, ino)
33 __field(int, nr_pages)
34 ),
35 TP_fast_assign(
36 __entry->dev = inode->i_sb->s_dev;
37 __entry->ino = inode->i_ino;
38 __entry->nr_pages = nr_pages;
39 ),
40 TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
41 MAJOR(__entry->dev), MINOR(__entry->dev),
42 __entry->ino,
43 __entry->nr_pages)
44)
45
46#define DEFINE_READPAGE_EVENT(name) \
47DEFINE_EVENT(iomap_readpage_class, name, \
48 TP_PROTO(struct inode *inode, int nr_pages), \
49 TP_ARGS(inode, nr_pages))
50DEFINE_READPAGE_EVENT(iomap_readpage);
51DEFINE_READPAGE_EVENT(iomap_readahead);
52
53DECLARE_EVENT_CLASS(iomap_range_class,
54 TP_PROTO(struct inode *inode, loff_t off, u64 len),
55 TP_ARGS(inode, off, len),
56 TP_STRUCT__entry(
57 __field(dev_t, dev)
58 __field(u64, ino)
59 __field(loff_t, size)
60 __field(loff_t, offset)
61 __field(u64, length)
62 ),
63 TP_fast_assign(
64 __entry->dev = inode->i_sb->s_dev;
65 __entry->ino = inode->i_ino;
66 __entry->size = i_size_read(inode);
67 __entry->offset = off;
68 __entry->length = len;
69 ),
70 TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset 0x%llx length 0x%llx",
71 MAJOR(__entry->dev), MINOR(__entry->dev),
72 __entry->ino,
73 __entry->size,
74 __entry->offset,
75 __entry->length)
76)
77
78#define DEFINE_RANGE_EVENT(name) \
79DEFINE_EVENT(iomap_range_class, name, \
80 TP_PROTO(struct inode *inode, loff_t off, u64 len),\
81 TP_ARGS(inode, off, len))
82DEFINE_RANGE_EVENT(iomap_writepage);
83DEFINE_RANGE_EVENT(iomap_release_folio);
84DEFINE_RANGE_EVENT(iomap_invalidate_folio);
85DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
86DEFINE_RANGE_EVENT(iomap_dio_rw_queued);
87
88#define IOMAP_TYPE_STRINGS \
89 { IOMAP_HOLE, "HOLE" }, \
90 { IOMAP_DELALLOC, "DELALLOC" }, \
91 { IOMAP_MAPPED, "MAPPED" }, \
92 { IOMAP_UNWRITTEN, "UNWRITTEN" }, \
93 { IOMAP_INLINE, "INLINE" }
94
95#define IOMAP_FLAGS_STRINGS \
96 { IOMAP_WRITE, "WRITE" }, \
97 { IOMAP_ZERO, "ZERO" }, \
98 { IOMAP_REPORT, "REPORT" }, \
99 { IOMAP_FAULT, "FAULT" }, \
100 { IOMAP_DIRECT, "DIRECT" }, \
101 { IOMAP_NOWAIT, "NOWAIT" }, \
102 { IOMAP_OVERWRITE_ONLY, "OVERWRITE_ONLY" }, \
103 { IOMAP_UNSHARE, "UNSHARE" }, \
104 { IOMAP_DAX, "DAX" }, \
105 { IOMAP_ATOMIC, "ATOMIC" }, \
106 { IOMAP_DONTCACHE, "DONTCACHE" }
107
108#define IOMAP_F_FLAGS_STRINGS \
109 { IOMAP_F_NEW, "NEW" }, \
110 { IOMAP_F_DIRTY, "DIRTY" }, \
111 { IOMAP_F_SHARED, "SHARED" }, \
112 { IOMAP_F_MERGED, "MERGED" }, \
113 { IOMAP_F_BUFFER_HEAD, "BH" }, \
114 { IOMAP_F_XATTR, "XATTR" }, \
115 { IOMAP_F_BOUNDARY, "BOUNDARY" }, \
116 { IOMAP_F_ANON_WRITE, "ANON_WRITE" }, \
117 { IOMAP_F_ATOMIC_BIO, "ATOMIC_BIO" }, \
118 { IOMAP_F_PRIVATE, "PRIVATE" }, \
119 { IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" }, \
120 { IOMAP_F_STALE, "STALE" }
121
122
123#define IOMAP_DIO_STRINGS \
124 {IOMAP_DIO_FORCE_WAIT, "DIO_FORCE_WAIT" }, \
125 {IOMAP_DIO_OVERWRITE_ONLY, "DIO_OVERWRITE_ONLY" }, \
126 {IOMAP_DIO_PARTIAL, "DIO_PARTIAL" }
127
128DECLARE_EVENT_CLASS(iomap_class,
129 TP_PROTO(struct inode *inode, struct iomap *iomap),
130 TP_ARGS(inode, iomap),
131 TP_STRUCT__entry(
132 __field(dev_t, dev)
133 __field(u64, ino)
134 __field(u64, addr)
135 __field(loff_t, offset)
136 __field(u64, length)
137 __field(u16, type)
138 __field(u16, flags)
139 __field(dev_t, bdev)
140 ),
141 TP_fast_assign(
142 __entry->dev = inode->i_sb->s_dev;
143 __entry->ino = inode->i_ino;
144 __entry->addr = iomap->addr;
145 __entry->offset = iomap->offset;
146 __entry->length = iomap->length;
147 __entry->type = iomap->type;
148 __entry->flags = iomap->flags;
149 __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
150 ),
151 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr 0x%llx offset 0x%llx "
152 "length 0x%llx type %s (0x%x) flags %s (0x%x)",
153 MAJOR(__entry->dev), MINOR(__entry->dev),
154 __entry->ino,
155 MAJOR(__entry->bdev), MINOR(__entry->bdev),
156 __entry->addr,
157 __entry->offset,
158 __entry->length,
159 __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
160 __entry->type,
161 __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS),
162 __entry->flags)
163)
164
165#define DEFINE_IOMAP_EVENT(name) \
166DEFINE_EVENT(iomap_class, name, \
167 TP_PROTO(struct inode *inode, struct iomap *iomap), \
168 TP_ARGS(inode, iomap))
169DEFINE_IOMAP_EVENT(iomap_iter_dstmap);
170DEFINE_IOMAP_EVENT(iomap_iter_srcmap);
171
172TRACE_EVENT(iomap_writepage_map,
173 TP_PROTO(struct inode *inode, u64 pos, unsigned int dirty_len,
174 struct iomap *iomap),
175 TP_ARGS(inode, pos, dirty_len, iomap),
176 TP_STRUCT__entry(
177 __field(dev_t, dev)
178 __field(u64, ino)
179 __field(u64, pos)
180 __field(u64, dirty_len)
181 __field(u64, addr)
182 __field(loff_t, offset)
183 __field(u64, length)
184 __field(u16, type)
185 __field(u16, flags)
186 __field(dev_t, bdev)
187 ),
188 TP_fast_assign(
189 __entry->dev = inode->i_sb->s_dev;
190 __entry->ino = inode->i_ino;
191 __entry->pos = pos;
192 __entry->dirty_len = dirty_len;
193 __entry->addr = iomap->addr;
194 __entry->offset = iomap->offset;
195 __entry->length = iomap->length;
196 __entry->type = iomap->type;
197 __entry->flags = iomap->flags;
198 __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
199 ),
200 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d pos 0x%llx dirty len 0x%llx "
201 "addr 0x%llx offset 0x%llx length 0x%llx type %s (0x%x) flags %s (0x%x)",
202 MAJOR(__entry->dev), MINOR(__entry->dev),
203 __entry->ino,
204 MAJOR(__entry->bdev), MINOR(__entry->bdev),
205 __entry->pos,
206 __entry->dirty_len,
207 __entry->addr,
208 __entry->offset,
209 __entry->length,
210 __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
211 __entry->type,
212 __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS),
213 __entry->flags)
214);
215
216TRACE_EVENT(iomap_iter,
217 TP_PROTO(struct iomap_iter *iter, const void *ops,
218 unsigned long caller),
219 TP_ARGS(iter, ops, caller),
220 TP_STRUCT__entry(
221 __field(dev_t, dev)
222 __field(u64, ino)
223 __field(loff_t, pos)
224 __field(u64, length)
225 __field(int, status)
226 __field(unsigned int, flags)
227 __field(const void *, ops)
228 __field(unsigned long, caller)
229 ),
230 TP_fast_assign(
231 __entry->dev = iter->inode->i_sb->s_dev;
232 __entry->ino = iter->inode->i_ino;
233 __entry->pos = iter->pos;
234 __entry->length = iomap_length(iter);
235 __entry->status = iter->status;
236 __entry->flags = iter->flags;
237 __entry->ops = ops;
238 __entry->caller = caller;
239 ),
240 TP_printk("dev %d:%d ino 0x%llx pos 0x%llx length 0x%llx status %d flags %s (0x%x) ops %ps caller %pS",
241 MAJOR(__entry->dev), MINOR(__entry->dev),
242 __entry->ino,
243 __entry->pos,
244 __entry->length,
245 __entry->status,
246 __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
247 __entry->flags,
248 __entry->ops,
249 (void *)__entry->caller)
250);
251
252TRACE_EVENT(iomap_dio_rw_begin,
253 TP_PROTO(struct kiocb *iocb, struct iov_iter *iter,
254 unsigned int dio_flags, size_t done_before),
255 TP_ARGS(iocb, iter, dio_flags, done_before),
256 TP_STRUCT__entry(
257 __field(dev_t, dev)
258 __field(ino_t, ino)
259 __field(loff_t, isize)
260 __field(loff_t, pos)
261 __field(size_t, count)
262 __field(size_t, done_before)
263 __field(int, ki_flags)
264 __field(unsigned int, dio_flags)
265 __field(bool, aio)
266 ),
267 TP_fast_assign(
268 __entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
269 __entry->ino = file_inode(iocb->ki_filp)->i_ino;
270 __entry->isize = file_inode(iocb->ki_filp)->i_size;
271 __entry->pos = iocb->ki_pos;
272 __entry->count = iov_iter_count(iter);
273 __entry->done_before = done_before;
274 __entry->ki_flags = iocb->ki_flags;
275 __entry->dio_flags = dio_flags;
276 __entry->aio = !is_sync_kiocb(iocb);
277 ),
278 TP_printk("dev %d:%d ino 0x%lx size 0x%llx offset 0x%llx length 0x%zx done_before 0x%zx flags %s dio_flags %s aio %d",
279 MAJOR(__entry->dev), MINOR(__entry->dev),
280 __entry->ino,
281 __entry->isize,
282 __entry->pos,
283 __entry->count,
284 __entry->done_before,
285 __print_flags(__entry->ki_flags, "|", TRACE_IOCB_STRINGS),
286 __print_flags(__entry->dio_flags, "|", IOMAP_DIO_STRINGS),
287 __entry->aio)
288);
289
290TRACE_EVENT(iomap_dio_complete,
291 TP_PROTO(struct kiocb *iocb, int error, ssize_t ret),
292 TP_ARGS(iocb, error, ret),
293 TP_STRUCT__entry(
294 __field(dev_t, dev)
295 __field(ino_t, ino)
296 __field(loff_t, isize)
297 __field(loff_t, pos)
298 __field(int, ki_flags)
299 __field(bool, aio)
300 __field(int, error)
301 __field(ssize_t, ret)
302 ),
303 TP_fast_assign(
304 __entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
305 __entry->ino = file_inode(iocb->ki_filp)->i_ino;
306 __entry->isize = file_inode(iocb->ki_filp)->i_size;
307 __entry->pos = iocb->ki_pos;
308 __entry->ki_flags = iocb->ki_flags;
309 __entry->aio = !is_sync_kiocb(iocb);
310 __entry->error = error;
311 __entry->ret = ret;
312 ),
313 TP_printk("dev %d:%d ino 0x%lx size 0x%llx offset 0x%llx flags %s aio %d error %d ret %zd",
314 MAJOR(__entry->dev), MINOR(__entry->dev),
315 __entry->ino,
316 __entry->isize,
317 __entry->pos,
318 __print_flags(__entry->ki_flags, "|", TRACE_IOCB_STRINGS),
319 __entry->aio,
320 __entry->error,
321 __entry->ret)
322);
323
324#endif /* _IOMAP_TRACE_H */
325
326#undef TRACE_INCLUDE_PATH
327#define TRACE_INCLUDE_PATH .
328#define TRACE_INCLUDE_FILE trace
329#include <trace/define_trace.h>
330

source code of linux/fs/iomap/trace.h