1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM filemap
4
5#if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_FILEMAP_H
7
8#include <linux/types.h>
9#include <linux/tracepoint.h>
10#include <linux/mm.h>
11#include <linux/memcontrol.h>
12#include <linux/device.h>
13#include <linux/kdev_t.h>
14#include <linux/errseq.h>
15
16DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
17
18 TP_PROTO(struct folio *folio),
19
20 TP_ARGS(folio),
21
22 TP_STRUCT__entry(
23 __field(unsigned long, pfn)
24 __field(unsigned long, i_ino)
25 __field(unsigned long, index)
26 __field(dev_t, s_dev)
27 __field(unsigned char, order)
28 ),
29
30 TP_fast_assign(
31 __entry->pfn = folio_pfn(folio);
32 __entry->i_ino = folio->mapping->host->i_ino;
33 __entry->index = folio->index;
34 if (folio->mapping->host->i_sb)
35 __entry->s_dev = folio->mapping->host->i_sb->s_dev;
36 else
37 __entry->s_dev = folio->mapping->host->i_rdev;
38 __entry->order = folio_order(folio);
39 ),
40
41 TP_printk("dev %d:%d ino %lx pfn=0x%lx ofs=%lu order=%u",
42 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
43 __entry->i_ino,
44 __entry->pfn,
45 __entry->index << PAGE_SHIFT,
46 __entry->order)
47);
48
49DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
50 TP_PROTO(struct folio *folio),
51 TP_ARGS(folio)
52 );
53
54DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
55 TP_PROTO(struct folio *folio),
56 TP_ARGS(folio)
57 );
58
59DECLARE_EVENT_CLASS(mm_filemap_op_page_cache_range,
60
61 TP_PROTO(
62 struct address_space *mapping,
63 pgoff_t index,
64 pgoff_t last_index
65 ),
66
67 TP_ARGS(mapping, index, last_index),
68
69 TP_STRUCT__entry(
70 __field(unsigned long, i_ino)
71 __field(dev_t, s_dev)
72 __field(unsigned long, index)
73 __field(unsigned long, last_index)
74 ),
75
76 TP_fast_assign(
77 __entry->i_ino = mapping->host->i_ino;
78 if (mapping->host->i_sb)
79 __entry->s_dev =
80 mapping->host->i_sb->s_dev;
81 else
82 __entry->s_dev = mapping->host->i_rdev;
83 __entry->index = index;
84 __entry->last_index = last_index;
85 ),
86
87 TP_printk(
88 "dev=%d:%d ino=%lx ofs=%lld-%lld",
89 MAJOR(__entry->s_dev),
90 MINOR(__entry->s_dev), __entry->i_ino,
91 ((loff_t)__entry->index) << PAGE_SHIFT,
92 ((((loff_t)__entry->last_index + 1) << PAGE_SHIFT) - 1)
93 )
94);
95
96DEFINE_EVENT(mm_filemap_op_page_cache_range, mm_filemap_get_pages,
97 TP_PROTO(
98 struct address_space *mapping,
99 pgoff_t index,
100 pgoff_t last_index
101 ),
102 TP_ARGS(mapping, index, last_index)
103);
104
105DEFINE_EVENT(mm_filemap_op_page_cache_range, mm_filemap_map_pages,
106 TP_PROTO(
107 struct address_space *mapping,
108 pgoff_t index,
109 pgoff_t last_index
110 ),
111 TP_ARGS(mapping, index, last_index)
112);
113
114TRACE_EVENT(mm_filemap_fault,
115 TP_PROTO(struct address_space *mapping, pgoff_t index),
116
117 TP_ARGS(mapping, index),
118
119 TP_STRUCT__entry(
120 __field(unsigned long, i_ino)
121 __field(dev_t, s_dev)
122 __field(unsigned long, index)
123 ),
124
125 TP_fast_assign(
126 __entry->i_ino = mapping->host->i_ino;
127 if (mapping->host->i_sb)
128 __entry->s_dev =
129 mapping->host->i_sb->s_dev;
130 else
131 __entry->s_dev = mapping->host->i_rdev;
132 __entry->index = index;
133 ),
134
135 TP_printk(
136 "dev=%d:%d ino=%lx ofs=%lld",
137 MAJOR(__entry->s_dev),
138 MINOR(__entry->s_dev), __entry->i_ino,
139 ((loff_t)__entry->index) << PAGE_SHIFT
140 )
141);
142
143TRACE_EVENT(filemap_set_wb_err,
144 TP_PROTO(struct address_space *mapping, errseq_t eseq),
145
146 TP_ARGS(mapping, eseq),
147
148 TP_STRUCT__entry(
149 __field(unsigned long, i_ino)
150 __field(dev_t, s_dev)
151 __field(errseq_t, errseq)
152 ),
153
154 TP_fast_assign(
155 __entry->i_ino = mapping->host->i_ino;
156 __entry->errseq = eseq;
157 if (mapping->host->i_sb)
158 __entry->s_dev = mapping->host->i_sb->s_dev;
159 else
160 __entry->s_dev = mapping->host->i_rdev;
161 ),
162
163 TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x",
164 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
165 __entry->i_ino, __entry->errseq)
166);
167
168TRACE_EVENT(file_check_and_advance_wb_err,
169 TP_PROTO(struct file *file, errseq_t old),
170
171 TP_ARGS(file, old),
172
173 TP_STRUCT__entry(
174 __field(struct file *, file)
175 __field(unsigned long, i_ino)
176 __field(dev_t, s_dev)
177 __field(errseq_t, old)
178 __field(errseq_t, new)
179 ),
180
181 TP_fast_assign(
182 __entry->file = file;
183 __entry->i_ino = file->f_mapping->host->i_ino;
184 if (file->f_mapping->host->i_sb)
185 __entry->s_dev =
186 file->f_mapping->host->i_sb->s_dev;
187 else
188 __entry->s_dev =
189 file->f_mapping->host->i_rdev;
190 __entry->old = old;
191 __entry->new = file->f_wb_err;
192 ),
193
194 TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x",
195 __entry->file, MAJOR(__entry->s_dev),
196 MINOR(__entry->s_dev), __entry->i_ino, __entry->old,
197 __entry->new)
198);
199#endif /* _TRACE_FILEMAP_H */
200
201/* This part must be outside protection */
202#include <trace/define_trace.h>
203