1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM readahead
4
5#if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_READAHEAD_H
7
8#include <linux/types.h>
9#include <linux/tracepoint.h>
10#include <linux/mm.h>
11#include <linux/fs.h>
12#include <linux/pagemap.h>
13
14TRACE_EVENT(page_cache_ra_unbounded,
15 TP_PROTO(struct inode *inode, pgoff_t index, unsigned long nr_to_read,
16 unsigned long lookahead_size),
17
18 TP_ARGS(inode, index, nr_to_read, lookahead_size),
19
20 TP_STRUCT__entry(
21 __field(unsigned long, i_ino)
22 __field(dev_t, s_dev)
23 __field(pgoff_t, index)
24 __field(unsigned long, nr_to_read)
25 __field(unsigned long, lookahead_size)
26 ),
27
28 TP_fast_assign(
29 __entry->i_ino = inode->i_ino;
30 __entry->s_dev = inode->i_sb->s_dev;
31 __entry->index = index;
32 __entry->nr_to_read = nr_to_read;
33 __entry->lookahead_size = lookahead_size;
34 ),
35
36 TP_printk(
37 "dev=%d:%d ino=%lx index=%lu nr_to_read=%lu lookahead_size=%lu",
38 MAJOR(__entry->s_dev), MINOR(__entry->s_dev), __entry->i_ino,
39 __entry->index, __entry->nr_to_read, __entry->lookahead_size
40 )
41);
42
43TRACE_EVENT(page_cache_ra_order,
44 TP_PROTO(struct inode *inode, pgoff_t index, struct file_ra_state *ra),
45
46 TP_ARGS(inode, index, ra),
47
48 TP_STRUCT__entry(
49 __field(unsigned long, i_ino)
50 __field(dev_t, s_dev)
51 __field(pgoff_t, index)
52 __field(unsigned int, order)
53 __field(unsigned int, size)
54 __field(unsigned int, async_size)
55 __field(unsigned int, ra_pages)
56 ),
57
58 TP_fast_assign(
59 __entry->i_ino = inode->i_ino;
60 __entry->s_dev = inode->i_sb->s_dev;
61 __entry->index = index;
62 __entry->order = ra->order;
63 __entry->size = ra->size;
64 __entry->async_size = ra->async_size;
65 __entry->ra_pages = ra->ra_pages;
66 ),
67
68 TP_printk(
69 "dev=%d:%d ino=%lx index=%lu order=%u size=%u async_size=%u ra_pages=%u",
70 MAJOR(__entry->s_dev), MINOR(__entry->s_dev), __entry->i_ino,
71 __entry->index, __entry->order, __entry->size,
72 __entry->async_size, __entry->ra_pages
73 )
74);
75
76DECLARE_EVENT_CLASS(page_cache_ra_op,
77 TP_PROTO(struct inode *inode, pgoff_t index, struct file_ra_state *ra,
78 unsigned long req_count),
79
80 TP_ARGS(inode, index, ra, req_count),
81
82 TP_STRUCT__entry(
83 __field(unsigned long, i_ino)
84 __field(dev_t, s_dev)
85 __field(pgoff_t, index)
86 __field(unsigned int, order)
87 __field(unsigned int, size)
88 __field(unsigned int, async_size)
89 __field(unsigned int, ra_pages)
90 __field(unsigned int, mmap_miss)
91 __field(loff_t, prev_pos)
92 __field(unsigned long, req_count)
93 ),
94
95 TP_fast_assign(
96 __entry->i_ino = inode->i_ino;
97 __entry->s_dev = inode->i_sb->s_dev;
98 __entry->index = index;
99 __entry->order = ra->order;
100 __entry->size = ra->size;
101 __entry->async_size = ra->async_size;
102 __entry->ra_pages = ra->ra_pages;
103 __entry->mmap_miss = ra->mmap_miss;
104 __entry->prev_pos = ra->prev_pos;
105 __entry->req_count = req_count;
106 ),
107
108 TP_printk(
109 "dev=%d:%d ino=%lx index=%lu req_count=%lu order=%u size=%u async_size=%u ra_pages=%u mmap_miss=%u prev_pos=%lld",
110 MAJOR(__entry->s_dev), MINOR(__entry->s_dev), __entry->i_ino,
111 __entry->index, __entry->req_count, __entry->order,
112 __entry->size, __entry->async_size, __entry->ra_pages,
113 __entry->mmap_miss, __entry->prev_pos
114 )
115);
116
117DEFINE_EVENT(page_cache_ra_op, page_cache_sync_ra,
118 TP_PROTO(struct inode *inode, pgoff_t index, struct file_ra_state *ra,
119 unsigned long req_count),
120 TP_ARGS(inode, index, ra, req_count)
121);
122
123DEFINE_EVENT(page_cache_ra_op, page_cache_async_ra,
124 TP_PROTO(struct inode *inode, pgoff_t index, struct file_ra_state *ra,
125 unsigned long req_count),
126 TP_ARGS(inode, index, ra, req_count)
127);
128
129#endif /* _TRACE_FILEMAP_H */
130
131/* This part must be outside protection */
132#include <trace/define_trace.h>
133