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
16 DECLARE_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
49 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
50 TP_PROTO(struct folio *folio),
51 TP_ARGS(folio)
52 );
53
54 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
55 TP_PROTO(struct folio *folio),
56 TP_ARGS(folio)
57 );
58
59 TRACE_EVENT(filemap_set_wb_err,
60 TP_PROTO(struct address_space *mapping, errseq_t eseq),
61
62 TP_ARGS(mapping, eseq),
63
64 TP_STRUCT__entry(
65 __field(unsigned long, i_ino)
66 __field(dev_t, s_dev)
67 __field(errseq_t, errseq)
68 ),
69
70 TP_fast_assign(
71 __entry->i_ino = mapping->host->i_ino;
72 __entry->errseq = eseq;
73 if (mapping->host->i_sb)
74 __entry->s_dev = mapping->host->i_sb->s_dev;
75 else
76 __entry->s_dev = mapping->host->i_rdev;
77 ),
78
79 TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x",
80 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
81 __entry->i_ino, __entry->errseq)
82 );
83
84 TRACE_EVENT(file_check_and_advance_wb_err,
85 TP_PROTO(struct file *file, errseq_t old),
86
87 TP_ARGS(file, old),
88
89 TP_STRUCT__entry(
90 __field(struct file *, file)
91 __field(unsigned long, i_ino)
92 __field(dev_t, s_dev)
93 __field(errseq_t, old)
94 __field(errseq_t, new)
95 ),
96
97 TP_fast_assign(
98 __entry->file = file;
99 __entry->i_ino = file->f_mapping->host->i_ino;
100 if (file->f_mapping->host->i_sb)
101 __entry->s_dev =
102 file->f_mapping->host->i_sb->s_dev;
103 else
104 __entry->s_dev =
105 file->f_mapping->host->i_rdev;
106 __entry->old = old;
107 __entry->new = file->f_wb_err;
108 ),
109
110 TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x",
111 __entry->file, MAJOR(__entry->s_dev),
112 MINOR(__entry->s_dev), __entry->i_ino, __entry->old,
113 __entry->new)
114 );
115 #endif /* _TRACE_FILEMAP_H */
116
117 /* This part must be outside protection */
118 #include <trace/define_trace.h>
119
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