1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2009-2019 Christoph Hellwig
5 * NOTE: none of these tracepoints shall be consider a stable kernel ABI
6 * as they can change at any time.
9 #define TRACE_SYSTEM iomap
11 #if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
12 #define _IOMAP_TRACE_H
14 #include <linux/tracepoint.h>
18 DECLARE_EVENT_CLASS(iomap_readpage_class,
19 TP_PROTO(struct inode *inode, int nr_pages),
20 TP_ARGS(inode, nr_pages),
24 __field(int, nr_pages)
27 __entry->dev = inode->i_sb->s_dev;
28 __entry->ino = inode->i_ino;
29 __entry->nr_pages = nr_pages;
31 TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
32 MAJOR(__entry->dev), MINOR(__entry->dev),
37 #define DEFINE_READPAGE_EVENT(name) \
38 DEFINE_EVENT(iomap_readpage_class, name, \
39 TP_PROTO(struct inode *inode, int nr_pages), \
40 TP_ARGS(inode, nr_pages))
41 DEFINE_READPAGE_EVENT(iomap_readpage);
42 DEFINE_READPAGE_EVENT(iomap_readahead);
44 DECLARE_EVENT_CLASS(iomap_range_class,
45 TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),
46 TP_ARGS(inode, off, len),
51 __field(unsigned long, offset)
52 __field(unsigned int, length)
55 __entry->dev = inode->i_sb->s_dev;
56 __entry->ino = inode->i_ino;
57 __entry->size = i_size_read(inode);
58 __entry->offset = off;
59 __entry->length = len;
61 TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset %lx "
63 MAJOR(__entry->dev), MINOR(__entry->dev),
70 #define DEFINE_RANGE_EVENT(name) \
71 DEFINE_EVENT(iomap_range_class, name, \
72 TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),\
73 TP_ARGS(inode, off, len))
74 DEFINE_RANGE_EVENT(iomap_writepage);
75 DEFINE_RANGE_EVENT(iomap_releasepage);
76 DEFINE_RANGE_EVENT(iomap_invalidatepage);
77 DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
79 #define IOMAP_TYPE_STRINGS \
80 { IOMAP_HOLE, "HOLE" }, \
81 { IOMAP_DELALLOC, "DELALLOC" }, \
82 { IOMAP_MAPPED, "MAPPED" }, \
83 { IOMAP_UNWRITTEN, "UNWRITTEN" }, \
84 { IOMAP_INLINE, "INLINE" }
86 #define IOMAP_FLAGS_STRINGS \
87 { IOMAP_WRITE, "WRITE" }, \
88 { IOMAP_ZERO, "ZERO" }, \
89 { IOMAP_REPORT, "REPORT" }, \
90 { IOMAP_FAULT, "FAULT" }, \
91 { IOMAP_DIRECT, "DIRECT" }, \
92 { IOMAP_NOWAIT, "NOWAIT" }
94 #define IOMAP_F_FLAGS_STRINGS \
95 { IOMAP_F_NEW, "NEW" }, \
96 { IOMAP_F_DIRTY, "DIRTY" }, \
97 { IOMAP_F_SHARED, "SHARED" }, \
98 { IOMAP_F_MERGED, "MERGED" }, \
99 { IOMAP_F_BUFFER_HEAD, "BH" }, \
100 { IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" }
102 DECLARE_EVENT_CLASS(iomap_class,
103 TP_PROTO(struct inode *inode, struct iomap *iomap),
104 TP_ARGS(inode, iomap),
109 __field(loff_t, offset)
116 __entry->dev = inode->i_sb->s_dev;
117 __entry->ino = inode->i_ino;
118 __entry->addr = iomap->addr;
119 __entry->offset = iomap->offset;
120 __entry->length = iomap->length;
121 __entry->type = iomap->type;
122 __entry->flags = iomap->flags;
123 __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
125 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr %lld offset %lld "
126 "length %llu type %s flags %s",
127 MAJOR(__entry->dev), MINOR(__entry->dev),
129 MAJOR(__entry->bdev), MINOR(__entry->bdev),
133 __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
134 __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
137 #define DEFINE_IOMAP_EVENT(name) \
138 DEFINE_EVENT(iomap_class, name, \
139 TP_PROTO(struct inode *inode, struct iomap *iomap), \
140 TP_ARGS(inode, iomap))
141 DEFINE_IOMAP_EVENT(iomap_apply_dstmap);
142 DEFINE_IOMAP_EVENT(iomap_apply_srcmap);
144 TRACE_EVENT(iomap_apply,
145 TP_PROTO(struct inode *inode, loff_t pos, loff_t length,
146 unsigned int flags, const void *ops, void *actor,
147 unsigned long caller),
148 TP_ARGS(inode, pos, length, flags, ops, actor, caller),
153 __field(loff_t, length)
154 __field(unsigned int, flags)
155 __field(const void *, ops)
156 __field(void *, actor)
157 __field(unsigned long, caller)
160 __entry->dev = inode->i_sb->s_dev;
161 __entry->ino = inode->i_ino;
163 __entry->length = length;
164 __entry->flags = flags;
166 __entry->actor = actor;
167 __entry->caller = caller;
169 TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) "
170 "ops %ps caller %pS actor %ps",
171 MAJOR(__entry->dev), MINOR(__entry->dev),
175 __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
178 (void *)__entry->caller,
182 #endif /* _IOMAP_TRACE_H */
184 #undef TRACE_INCLUDE_PATH
185 #define TRACE_INCLUDE_PATH .
186 #define TRACE_INCLUDE_FILE trace
187 #include <trace/define_trace.h>