xref: /linux/fs/ext2/trace.h (revision ae22a94997b8a03dcb3c922857c203246711f9d4)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 #undef TRACE_SYSTEM
4 #define TRACE_SYSTEM ext2
5 
6 #if !defined(_EXT2_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
7 #define _EXT2_TRACE_H
8 
9 #include <linux/tracepoint.h>
10 
11 DECLARE_EVENT_CLASS(ext2_dio_class,
12 	TP_PROTO(struct kiocb *iocb, struct iov_iter *iter, ssize_t ret),
13 	TP_ARGS(iocb, iter, ret),
14 	TP_STRUCT__entry(
15 		__field(dev_t,	dev)
16 		__field(ino_t,	ino)
17 		__field(loff_t, isize)
18 		__field(loff_t, pos)
19 		__field(size_t,	count)
20 		__field(int,	ki_flags)
21 		__field(bool,	aio)
22 		__field(ssize_t, ret)
23 	),
24 	TP_fast_assign(
25 		__entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
26 		__entry->ino = file_inode(iocb->ki_filp)->i_ino;
27 		__entry->isize = file_inode(iocb->ki_filp)->i_size;
28 		__entry->pos = iocb->ki_pos;
29 		__entry->count = iov_iter_count(iter);
30 		__entry->ki_flags = iocb->ki_flags;
31 		__entry->aio = !is_sync_kiocb(iocb);
32 		__entry->ret = ret;
33 	),
34 	TP_printk("dev %d:%d ino 0x%lx isize 0x%llx pos 0x%llx len %zu flags %s aio %d ret %zd",
35 		  MAJOR(__entry->dev), MINOR(__entry->dev),
36 		  __entry->ino,
37 		  __entry->isize,
38 		  __entry->pos,
39 		  __entry->count,
40 		  __print_flags(__entry->ki_flags, "|", TRACE_IOCB_STRINGS),
41 		  __entry->aio,
42 		  __entry->ret)
43 );
44 
45 #define DEFINE_DIO_RW_EVENT(name)					  \
46 DEFINE_EVENT(ext2_dio_class, name,					  \
47 	TP_PROTO(struct kiocb *iocb, struct iov_iter *iter, ssize_t ret), \
48 	TP_ARGS(iocb, iter, ret))
49 DEFINE_DIO_RW_EVENT(ext2_dio_write_begin);
50 DEFINE_DIO_RW_EVENT(ext2_dio_write_end);
51 DEFINE_DIO_RW_EVENT(ext2_dio_write_buff_end);
52 DEFINE_DIO_RW_EVENT(ext2_dio_read_begin);
53 DEFINE_DIO_RW_EVENT(ext2_dio_read_end);
54 
55 TRACE_EVENT(ext2_dio_write_endio,
56 	TP_PROTO(struct kiocb *iocb, ssize_t size, int ret),
57 	TP_ARGS(iocb, size, ret),
58 	TP_STRUCT__entry(
59 		__field(dev_t,	dev)
60 		__field(ino_t,	ino)
61 		__field(loff_t, isize)
62 		__field(loff_t, pos)
63 		__field(ssize_t, size)
64 		__field(int,	ki_flags)
65 		__field(bool,	aio)
66 		__field(int,	ret)
67 	),
68 	TP_fast_assign(
69 		__entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
70 		__entry->ino = file_inode(iocb->ki_filp)->i_ino;
71 		__entry->isize = file_inode(iocb->ki_filp)->i_size;
72 		__entry->pos = iocb->ki_pos;
73 		__entry->size = size;
74 		__entry->ki_flags = iocb->ki_flags;
75 		__entry->aio = !is_sync_kiocb(iocb);
76 		__entry->ret = ret;
77 	),
78 	TP_printk("dev %d:%d ino 0x%lx isize 0x%llx pos 0x%llx len %zd flags %s aio %d ret %d",
79 		  MAJOR(__entry->dev), MINOR(__entry->dev),
80 		  __entry->ino,
81 		  __entry->isize,
82 		  __entry->pos,
83 		  __entry->size,
84 		  __print_flags(__entry->ki_flags, "|", TRACE_IOCB_STRINGS),
85 		  __entry->aio,
86 		  __entry->ret)
87 );
88 
89 #endif /* _EXT2_TRACE_H */
90 
91 #undef TRACE_INCLUDE_PATH
92 #define TRACE_INCLUDE_PATH .
93 #define TRACE_INCLUDE_FILE trace
94 #include <trace/define_trace.h>
95