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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Events for filesystem locks
4 *
5 * Copyright 2013 Jeff Layton <[email protected]>
6 */
7#undef TRACE_SYSTEM
8#define TRACE_SYSTEM filelock
9
10#if !defined(_TRACE_FILELOCK_H) || defined(TRACE_HEADER_MULTI_READ)
11#define _TRACE_FILELOCK_H
12
13#include <linux/tracepoint.h>
14#include <linux/fs.h>
15#include <linux/device.h>
16#include <linux/kdev_t.h>
17
18#define show_fl_flags(val) \
19 __print_flags(val, "|", \
20 { FL_POSIX, "FL_POSIX" }, \
21 { FL_FLOCK, "FL_FLOCK" }, \
22 { FL_DELEG, "FL_DELEG" }, \
23 { FL_ACCESS, "FL_ACCESS" }, \
24 { FL_EXISTS, "FL_EXISTS" }, \
25 { FL_LEASE, "FL_LEASE" }, \
26 { FL_CLOSE, "FL_CLOSE" }, \
27 { FL_SLEEP, "FL_SLEEP" }, \
28 { FL_DOWNGRADE_PENDING, "FL_DOWNGRADE_PENDING" }, \
29 { FL_UNLOCK_PENDING, "FL_UNLOCK_PENDING" }, \
30 { FL_OFDLCK, "FL_OFDLCK" }, \
31 { FL_RECLAIM, "FL_RECLAIM" }, \
32 { FL_IGN_DIR_CREATE, "FL_IGN_DIR_CREATE" }, \
33 { FL_IGN_DIR_DELETE, "FL_IGN_DIR_DELETE" }, \
34 { FL_IGN_DIR_RENAME, "FL_IGN_DIR_RENAME" })
35
36#define show_fl_type(val) \
37 __print_symbolic(val, \
38 { F_RDLCK, "F_RDLCK" }, \
39 { F_WRLCK, "F_WRLCK" }, \
40 { F_UNLCK, "F_UNLCK" })
41
42TRACE_EVENT(locks_get_lock_context,
43 TP_PROTO(struct inode *inode, int type, struct file_lock_context *ctx),
44
45 TP_ARGS(inode, type, ctx),
46
47 TP_STRUCT__entry(
48 __field(u64, i_ino)
49 __field(struct file_lock_context *, ctx)
50 __field(dev_t, s_dev)
51 __field(unsigned char, type)
52 ),
53
54 TP_fast_assign(
55 __entry->s_dev = inode->i_sb->s_dev;
56 __entry->i_ino = inode->i_ino;
57 __entry->type = type;
58 __entry->ctx = ctx;
59 ),
60
61 TP_printk("dev=0x%x:0x%x ino=0x%llx type=%s ctx=%p",
62 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
63 __entry->i_ino, show_fl_type(__entry->type), __entry->ctx)
64);
65
66DECLARE_EVENT_CLASS(filelock_lock,
67 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
68
69 TP_ARGS(inode, fl, ret),
70
71 TP_STRUCT__entry(
72 __field(u64, i_ino)
73 __field(loff_t, fl_start)
74 __field(loff_t, fl_end)
75 __field(struct file_lock *, fl)
76 __field(struct file_lock_core *, blocker)
77 __field(fl_owner_t, owner)
78 __field(dev_t, s_dev)
79 __field(unsigned int, pid)
80 __field(unsigned int, flags)
81 __field(unsigned char, type)
82 __field(int, ret)
83 ),
84
85 TP_fast_assign(
86 __entry->fl = fl ? fl : NULL;
87 __entry->s_dev = inode->i_sb->s_dev;
88 __entry->i_ino = inode->i_ino;
89 __entry->blocker = fl ? fl->c.flc_blocker : NULL;
90 __entry->owner = fl ? fl->c.flc_owner : NULL;
91 __entry->pid = fl ? fl->c.flc_pid : 0;
92 __entry->flags = fl ? fl->c.flc_flags : 0;
93 __entry->type = fl ? fl->c.flc_type : 0;
94 __entry->fl_start = fl ? fl->fl_start : 0;
95 __entry->fl_end = fl ? fl->fl_end : 0;
96 __entry->ret = ret;
97 ),
98
99 TP_printk("fl=%p dev=0x%x:0x%x ino=0x%llx fl_blocker=%p fl_owner=%p fl_pid=%u fl_flags=%s fl_type=%s fl_start=%lld fl_end=%lld ret=%d",
100 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
101 __entry->i_ino, __entry->blocker, __entry->owner,
102 __entry->pid, show_fl_flags(__entry->flags),
103 show_fl_type(__entry->type),
104 __entry->fl_start, __entry->fl_end, __entry->ret)
105);
106
107DEFINE_EVENT(filelock_lock, posix_lock_inode,
108 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
109 TP_ARGS(inode, fl, ret));
110
111DEFINE_EVENT(filelock_lock, fcntl_setlk,
112 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
113 TP_ARGS(inode, fl, ret));
114
115DEFINE_EVENT(filelock_lock, locks_remove_posix,
116 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
117 TP_ARGS(inode, fl, ret));
118
119DEFINE_EVENT(filelock_lock, flock_lock_inode,
120 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
121 TP_ARGS(inode, fl, ret));
122
123#define show_lease_break_flags(val) \
124 __print_flags(val, "|", \
125 { LEASE_BREAK_LEASE, "LEASE" }, \
126 { LEASE_BREAK_DELEG, "DELEG" }, \
127 { LEASE_BREAK_LAYOUT, "LAYOUT" }, \
128 { LEASE_BREAK_NONBLOCK, "NONBLOCK" }, \
129 { LEASE_BREAK_OPEN_RDONLY, "OPEN_RDONLY" }, \
130 { LEASE_BREAK_DIR_CREATE, "DIR_CREATE" }, \
131 { LEASE_BREAK_DIR_DELETE, "DIR_DELETE" }, \
132 { LEASE_BREAK_DIR_RENAME, "DIR_RENAME" })
133
134TRACE_EVENT(break_lease,
135 TP_PROTO(struct inode *inode, unsigned int flags),
136
137 TP_ARGS(inode, flags),
138
139 TP_STRUCT__entry(
140 __field(unsigned long, i_ino)
141 __field(dev_t, s_dev)
142 __field(unsigned int, flags)
143 ),
144
145 TP_fast_assign(
146 __entry->s_dev = inode->i_sb->s_dev;
147 __entry->i_ino = inode->i_ino;
148 __entry->flags = flags;
149 ),
150
151 TP_printk("dev=0x%x:0x%x ino=0x%lx flags=%s",
152 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
153 __entry->i_ino, show_lease_break_flags(__entry->flags))
154);
155
156DECLARE_EVENT_CLASS(filelock_lease,
157 TP_PROTO(struct inode *inode, struct file_lease *fl),
158
159 TP_ARGS(inode, fl),
160
161 TP_STRUCT__entry(
162 __field(u64, i_ino)
163 __field(struct file_lease *, fl)
164 __field(struct file_lock_core *, blocker)
165 __field(fl_owner_t, owner)
166 __field(unsigned long, break_time)
167 __field(unsigned long, downgrade_time)
168 __field(dev_t, s_dev)
169 __field(unsigned int, flags)
170 __field(unsigned char, type)
171 ),
172
173 TP_fast_assign(
174 __entry->fl = fl ? fl : NULL;
175 __entry->s_dev = inode->i_sb->s_dev;
176 __entry->i_ino = inode->i_ino;
177 __entry->blocker = fl ? fl->c.flc_blocker : NULL;
178 __entry->owner = fl ? fl->c.flc_owner : NULL;
179 __entry->flags = fl ? fl->c.flc_flags : 0;
180 __entry->type = fl ? fl->c.flc_type : 0;
181 __entry->break_time = fl ? fl->fl_break_time : 0;
182 __entry->downgrade_time = fl ? fl->fl_downgrade_time : 0;
183 ),
184
185 TP_printk("fl=%p dev=0x%x:0x%x ino=0x%llx fl_blocker=%p fl_owner=%p fl_flags=%s fl_type=%s fl_break_time=%lu fl_downgrade_time=%lu",
186 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
187 __entry->i_ino, __entry->blocker, __entry->owner,
188 show_fl_flags(__entry->flags),
189 show_fl_type(__entry->type),
190 __entry->break_time, __entry->downgrade_time)
191);
192
193DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lease *fl),
194 TP_ARGS(inode, fl));
195
196DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lease *fl),
197 TP_ARGS(inode, fl));
198
199DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lease *fl),
200 TP_ARGS(inode, fl));
201
202DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lease *fl),
203 TP_ARGS(inode, fl));
204
205DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lease *fl),
206 TP_ARGS(inode, fl));
207
208TRACE_EVENT(generic_add_lease,
209 TP_PROTO(struct inode *inode, struct file_lease *fl),
210
211 TP_ARGS(inode, fl),
212
213 TP_STRUCT__entry(
214 __field(u64, i_ino)
215 __field(fl_owner_t, owner)
216 __field(dev_t, s_dev)
217 __field(int, wcount)
218 __field(int, rcount)
219 __field(int, icount)
220 __field(unsigned int, flags)
221 __field(unsigned char, type)
222 ),
223
224 TP_fast_assign(
225 __entry->s_dev = inode->i_sb->s_dev;
226 __entry->i_ino = inode->i_ino;
227 __entry->wcount = atomic_read(&inode->i_writecount);
228 __entry->rcount = atomic_read(&inode->i_readcount);
229 __entry->icount = icount_read_once(inode);
230 __entry->owner = fl->c.flc_owner;
231 __entry->flags = fl->c.flc_flags;
232 __entry->type = fl->c.flc_type;
233 ),
234
235 TP_printk("dev=0x%x:0x%x ino=0x%llx wcount=%d rcount=%d icount=%d fl_owner=%p fl_flags=%s fl_type=%s",
236 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
237 __entry->i_ino, __entry->wcount, __entry->rcount,
238 __entry->icount, __entry->owner,
239 show_fl_flags(__entry->flags),
240 show_fl_type(__entry->type))
241);
242
243TRACE_EVENT(leases_conflict,
244 TP_PROTO(bool conflict, struct file_lease *lease, struct file_lease *breaker),
245
246 TP_ARGS(conflict, lease, breaker),
247
248 TP_STRUCT__entry(
249 __field(void *, lease)
250 __field(void *, breaker)
251 __field(unsigned int, l_fl_flags)
252 __field(unsigned int, b_fl_flags)
253 __field(unsigned char, l_fl_type)
254 __field(unsigned char, b_fl_type)
255 __field(bool, conflict)
256 ),
257
258 TP_fast_assign(
259 __entry->lease = lease;
260 __entry->l_fl_flags = lease->c.flc_flags;
261 __entry->l_fl_type = lease->c.flc_type;
262 __entry->breaker = breaker;
263 __entry->b_fl_flags = breaker->c.flc_flags;
264 __entry->b_fl_type = breaker->c.flc_type;
265 __entry->conflict = conflict;
266 ),
267
268 TP_printk("conflict %d: lease=%p fl_flags=%s fl_type=%s; breaker=%p fl_flags=%s fl_type=%s",
269 __entry->conflict,
270 __entry->lease,
271 show_fl_flags(__entry->l_fl_flags),
272 show_fl_type(__entry->l_fl_type),
273 __entry->breaker,
274 show_fl_flags(__entry->b_fl_flags),
275 show_fl_type(__entry->b_fl_type))
276);
277
278#endif /* _TRACE_FILELOCK_H */
279
280/* This part must be outside protection */
281#include <trace/define_trace.h>