1/* SPDX-License-Identifier: GPL-2.0-only */
  2#undef TRACE_SYSTEM
  3#define TRACE_SYSTEM erofs
  4
  5#if !defined(_TRACE_EROFS_H) || defined(TRACE_HEADER_MULTI_READ)
  6#define _TRACE_EROFS_H
  7
  8#include <linux/tracepoint.h>
  9#include <linux/fs.h>
 10
 11struct erofs_map_blocks;
 12
 13#define show_dev(dev)		MAJOR(dev), MINOR(dev)
 14#define show_dev_nid(entry)	show_dev(entry->dev), entry->nid
 15
 16#define show_file_type(type)						\
 17	__print_symbolic(type,						\
 18		{ 0,		"FILE" },				\
 19		{ 1,		"DIR" })
 20
 21#define show_map_flags(flags) __print_flags(flags, "|",	\
 22	{ EROFS_GET_BLOCKS_FIEMAP,	"FIEMAP" },	\
 23	{ EROFS_GET_BLOCKS_READMORE,	"READMORE" },	\
 24	{ EROFS_GET_BLOCKS_FINDTAIL,	"FINDTAIL" })
 25
 26#define show_mflags(flags) __print_flags(flags, "",	\
 27	{ EROFS_MAP_MAPPED,		"M" },		\
 28	{ EROFS_MAP_META,		"I" },		\
 29	{ EROFS_MAP_ENCODED,		"E" },		\
 30	{ EROFS_MAP_FULL_MAPPED,	"F" },		\
 31	{ EROFS_MAP_FRAGMENT,		"R" },		\
 32	{ EROFS_MAP_PARTIAL_REF,	"P" })
 33
 34TRACE_EVENT(erofs_lookup,
 35
 36	TP_PROTO(struct inode *dir, struct dentry *dentry, unsigned int flags),
 37
 38	TP_ARGS(dir, dentry, flags),
 39
 40	TP_STRUCT__entry(
 41		__field(dev_t,		dev	)
 42		__field(erofs_nid_t,	nid	)
 43		__string(name,		dentry->d_name.name	)
 44		__field(unsigned int,	flags	)
 45	),
 46
 47	TP_fast_assign(
 48		__entry->dev	= dir->i_sb->s_dev;
 49		__entry->nid	= EROFS_I(dir)->nid;
 50		__assign_str(name);
 51		__entry->flags	= flags;
 52	),
 53
 54	TP_printk("dev = (%d,%d), pnid = %llu, name:%s, flags:%x",
 55		show_dev_nid(__entry),
 56		__get_str(name),
 57		__entry->flags)
 58);
 59
 60TRACE_EVENT(erofs_fill_inode,
 61	TP_PROTO(struct inode *inode),
 62	TP_ARGS(inode),
 63
 64	TP_STRUCT__entry(
 65		__field(dev_t,		dev	)
 66		__field(erofs_nid_t,	nid	)
 67		__field(erofs_blk_t,	blkaddr )
 68		__field(unsigned int,	ofs	)
 69	),
 70
 71	TP_fast_assign(
 72		__entry->dev		= inode->i_sb->s_dev;
 73		__entry->nid		= EROFS_I(inode)->nid;
 74		__entry->blkaddr	= erofs_blknr(inode->i_sb, erofs_iloc(inode));
 75		__entry->ofs		= erofs_blkoff(inode->i_sb, erofs_iloc(inode));
 76	),
 77
 78	TP_printk("dev = (%d,%d), nid = %llu, blkaddr %u ofs %u",
 79		  show_dev_nid(__entry),
 80		  __entry->blkaddr, __entry->ofs)
 81);
 82
 83TRACE_EVENT(erofs_read_folio,
 84
 85	TP_PROTO(struct folio *folio, bool raw),
 86
 87	TP_ARGS(folio, raw),
 88
 89	TP_STRUCT__entry(
 90		__field(dev_t,		dev	)
 91		__field(erofs_nid_t,    nid     )
 92		__field(int,		dir	)
 93		__field(pgoff_t,	index	)
 94		__field(int,		uptodate)
 95		__field(bool,		raw	)
 96	),
 97
 98	TP_fast_assign(
 99		__entry->dev	= folio->mapping->host->i_sb->s_dev;
100		__entry->nid	= EROFS_I(folio->mapping->host)->nid;
101		__entry->dir	= S_ISDIR(folio->mapping->host->i_mode);
102		__entry->index	= folio->index;
103		__entry->uptodate = folio_test_uptodate(folio);
104		__entry->raw = raw;
105	),
106
107	TP_printk("dev = (%d,%d), nid = %llu, %s, index = %lu, uptodate = %d "
108		"raw = %d",
109		show_dev_nid(__entry),
110		show_file_type(__entry->dir),
111		(unsigned long)__entry->index,
112		__entry->uptodate,
113		__entry->raw)
114);
115
116TRACE_EVENT(erofs_readpages,
117
118	TP_PROTO(struct inode *inode, pgoff_t start, unsigned int nrpage,
119		bool raw),
120
121	TP_ARGS(inode, start, nrpage, raw),
122
123	TP_STRUCT__entry(
124		__field(dev_t,		dev	)
125		__field(erofs_nid_t,	nid	)
126		__field(pgoff_t,	start	)
127		__field(unsigned int,	nrpage	)
128		__field(bool,		raw	)
129	),
130
131	TP_fast_assign(
132		__entry->dev	= inode->i_sb->s_dev;
133		__entry->nid	= EROFS_I(inode)->nid;
134		__entry->start	= start;
135		__entry->nrpage	= nrpage;
136		__entry->raw	= raw;
137	),
138
139	TP_printk("dev = (%d,%d), nid = %llu, start = %lu nrpage = %u raw = %d",
140		show_dev_nid(__entry),
141		(unsigned long)__entry->start,
142		__entry->nrpage,
143		__entry->raw)
144);
145
146TRACE_EVENT(erofs_map_blocks_enter,
147
148	TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
149		 unsigned int flags),
150
151	TP_ARGS(inode, map, flags),
152
153	TP_STRUCT__entry(
154		__field(	dev_t,		dev		)
155		__field(	erofs_nid_t,	nid		)
156		__field(	erofs_off_t,	la		)
157		__field(	u64,		llen		)
158		__field(	unsigned int,	flags		)
159	),
160
161	TP_fast_assign(
162		__entry->dev    = inode->i_sb->s_dev;
163		__entry->nid    = EROFS_I(inode)->nid;
164		__entry->la	= map->m_la;
165		__entry->llen	= map->m_llen;
166		__entry->flags	= flags;
167	),
168
169	TP_printk("dev = (%d,%d), nid = %llu, la %llu llen %llu flags %s",
170		  show_dev_nid(__entry),
171		  __entry->la, __entry->llen,
172		  __entry->flags ? show_map_flags(__entry->flags) : "NULL")
173);
174
175TRACE_EVENT(erofs_map_blocks_exit,
176
177	TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
178		 unsigned int flags, int ret),
179
180	TP_ARGS(inode, map, flags, ret),
181
182	TP_STRUCT__entry(
183		__field(	dev_t,		dev		)
184		__field(	erofs_nid_t,	nid		)
185		__field(        unsigned int,   flags           )
186		__field(	erofs_off_t,	la		)
187		__field(	erofs_off_t,	pa		)
188		__field(	u64,		llen		)
189		__field(	u64,		plen		)
190		__field(        unsigned int,	mflags		)
191		__field(	int,		ret		)
192	),
193
194	TP_fast_assign(
195		__entry->dev    = inode->i_sb->s_dev;
196		__entry->nid    = EROFS_I(inode)->nid;
197		__entry->flags	= flags;
198		__entry->la	= map->m_la;
199		__entry->pa	= map->m_pa;
200		__entry->llen	= map->m_llen;
201		__entry->plen	= map->m_plen;
202		__entry->mflags	= map->m_flags;
203		__entry->ret	= ret;
204	),
205
206	TP_printk("dev = (%d,%d), nid = %llu, flags %s "
207		  "la %llu pa %llu llen %llu plen %llu mflags %s ret %d",
208		  show_dev_nid(__entry),
209		  __entry->flags ? show_map_flags(__entry->flags) : "NULL",
210		  __entry->la, __entry->pa, __entry->llen, __entry->plen,
211		  show_mflags(__entry->mflags), __entry->ret)
212);
213
214TRACE_EVENT(erofs_destroy_inode,
215	TP_PROTO(struct inode *inode),
216
217	TP_ARGS(inode),
218
219	TP_STRUCT__entry(
220		__field(	dev_t,		dev		)
221		__field(	erofs_nid_t,	nid		)
222	),
223
224	TP_fast_assign(
225		__entry->dev	= inode->i_sb->s_dev;
226		__entry->nid	= EROFS_I(inode)->nid;
227	),
228
229	TP_printk("dev = (%d,%d), nid = %llu", show_dev_nid(__entry))
230);
231
232#endif /* _TRACE_EROFS_H */
233
234 /* This part must be outside protection */
235#include <trace/define_trace.h>