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_readpages);
44 DECLARE_EVENT_CLASS(iomap_page_class,
45 TP_PROTO(struct inode *inode, struct page *page, unsigned long off,
47 TP_ARGS(inode, page, off, len),
51 __field(pgoff_t, pgoff)
53 __field(unsigned long, offset)
54 __field(unsigned int, length)
57 __entry->dev = inode->i_sb->s_dev;
58 __entry->ino = inode->i_ino;
59 __entry->pgoff = page_offset(page);
60 __entry->size = i_size_read(inode);
61 __entry->offset = off;
62 __entry->length = len;
64 TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %lx "
66 MAJOR(__entry->dev), MINOR(__entry->dev),
74 #define DEFINE_PAGE_EVENT(name) \
75 DEFINE_EVENT(iomap_page_class, name, \
76 TP_PROTO(struct inode *inode, struct page *page, unsigned long off, \
78 TP_ARGS(inode, page, off, len))
79 DEFINE_PAGE_EVENT(iomap_writepage);
80 DEFINE_PAGE_EVENT(iomap_releasepage);
81 DEFINE_PAGE_EVENT(iomap_invalidatepage);
83 #define IOMAP_TYPE_STRINGS \
84 { IOMAP_HOLE, "HOLE" }, \
85 { IOMAP_DELALLOC, "DELALLOC" }, \
86 { IOMAP_MAPPED, "MAPPED" }, \
87 { IOMAP_UNWRITTEN, "UNWRITTEN" }, \
88 { IOMAP_INLINE, "INLINE" }
90 #define IOMAP_FLAGS_STRINGS \
91 { IOMAP_WRITE, "WRITE" }, \
92 { IOMAP_ZERO, "ZERO" }, \
93 { IOMAP_REPORT, "REPORT" }, \
94 { IOMAP_FAULT, "FAULT" }, \
95 { IOMAP_DIRECT, "DIRECT" }, \
96 { IOMAP_NOWAIT, "NOWAIT" }
98 #define IOMAP_F_FLAGS_STRINGS \
99 { IOMAP_F_NEW, "NEW" }, \
100 { IOMAP_F_DIRTY, "DIRTY" }, \
101 { IOMAP_F_SHARED, "SHARED" }, \
102 { IOMAP_F_MERGED, "MERGED" }, \
103 { IOMAP_F_BUFFER_HEAD, "BH" }, \
104 { IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" }
106 DECLARE_EVENT_CLASS(iomap_class,
107 TP_PROTO(struct inode *inode, struct iomap *iomap),
108 TP_ARGS(inode, iomap),
113 __field(loff_t, offset)
120 __entry->dev = inode->i_sb->s_dev;
121 __entry->ino = inode->i_ino;
122 __entry->addr = iomap->addr;
123 __entry->offset = iomap->offset;
124 __entry->length = iomap->length;
125 __entry->type = iomap->type;
126 __entry->flags = iomap->flags;
127 __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
129 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr %lld offset %lld "
130 "length %llu type %s flags %s",
131 MAJOR(__entry->dev), MINOR(__entry->dev),
133 MAJOR(__entry->bdev), MINOR(__entry->bdev),
137 __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
138 __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
141 #define DEFINE_IOMAP_EVENT(name) \
142 DEFINE_EVENT(iomap_class, name, \
143 TP_PROTO(struct inode *inode, struct iomap *iomap), \
144 TP_ARGS(inode, iomap))
145 DEFINE_IOMAP_EVENT(iomap_apply_dstmap);
146 DEFINE_IOMAP_EVENT(iomap_apply_srcmap);
148 TRACE_EVENT(iomap_apply,
149 TP_PROTO(struct inode *inode, loff_t pos, loff_t length,
150 unsigned int flags, const void *ops, void *actor,
151 unsigned long caller),
152 TP_ARGS(inode, pos, length, flags, ops, actor, caller),
157 __field(loff_t, length)
158 __field(unsigned int, flags)
159 __field(const void *, ops)
160 __field(void *, actor)
161 __field(unsigned long, caller)
164 __entry->dev = inode->i_sb->s_dev;
165 __entry->ino = inode->i_ino;
167 __entry->length = length;
168 __entry->flags = flags;
170 __entry->actor = actor;
171 __entry->caller = caller;
173 TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) "
174 "ops %ps caller %pS actor %ps",
175 MAJOR(__entry->dev), MINOR(__entry->dev),
179 __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
182 (void *)__entry->caller,
186 #endif /* _IOMAP_TRACE_H */
188 #undef TRACE_INCLUDE_PATH
189 #define TRACE_INCLUDE_PATH .
190 #define TRACE_INCLUDE_FILE trace
191 #include <trace/define_trace.h>