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>