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[mirror_ubuntu-jammy-kernel.git] / include / trace / events / filelock.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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2/*
3 * Events for filesystem locks
4 *
5 * Copyright 2013 Jeff Layton <jlayton@poochiereds.net>
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
32#define show_fl_type(val) \
33 __print_symbolic(val, \
34 { F_RDLCK, "F_RDLCK" }, \
35 { F_WRLCK, "F_WRLCK" }, \
36 { F_UNLCK, "F_UNLCK" })
37
1890910f
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38TRACE_EVENT(locks_get_lock_context,
39 TP_PROTO(struct inode *inode, int type, struct file_lock_context *ctx),
40
41 TP_ARGS(inode, type, ctx),
42
43 TP_STRUCT__entry(
44 __field(unsigned long, i_ino)
45 __field(dev_t, s_dev)
46 __field(unsigned char, type)
47 __field(struct file_lock_context *, ctx)
48 ),
49
50 TP_fast_assign(
51 __entry->s_dev = inode->i_sb->s_dev;
52 __entry->i_ino = inode->i_ino;
53 __entry->type = type;
54 __entry->ctx = ctx;
55 ),
56
57 TP_printk("dev=0x%x:0x%x ino=0x%lx type=%s ctx=%p",
58 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
59 __entry->i_ino, show_fl_type(__entry->type), __entry->ctx)
60);
61
62DECLARE_EVENT_CLASS(filelock_lock,
63 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
64
65 TP_ARGS(inode, fl, ret),
66
67 TP_STRUCT__entry(
68 __field(struct file_lock *, fl)
69 __field(unsigned long, i_ino)
70 __field(dev_t, s_dev)
ada5c1da 71 __field(struct file_lock *, fl_blocker)
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72 __field(fl_owner_t, fl_owner)
73 __field(unsigned int, fl_pid)
74 __field(unsigned int, fl_flags)
75 __field(unsigned char, fl_type)
76 __field(loff_t, fl_start)
77 __field(loff_t, fl_end)
78 __field(int, ret)
79 ),
80
81 TP_fast_assign(
82 __entry->fl = fl ? fl : NULL;
83 __entry->s_dev = inode->i_sb->s_dev;
84 __entry->i_ino = inode->i_ino;
ada5c1da 85 __entry->fl_blocker = fl ? fl->fl_blocker : NULL;
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86 __entry->fl_owner = fl ? fl->fl_owner : NULL;
87 __entry->fl_pid = fl ? fl->fl_pid : 0;
88 __entry->fl_flags = fl ? fl->fl_flags : 0;
89 __entry->fl_type = fl ? fl->fl_type : 0;
90 __entry->fl_start = fl ? fl->fl_start : 0;
91 __entry->fl_end = fl ? fl->fl_end : 0;
92 __entry->ret = ret;
93 ),
94
1ad5f100 95 TP_printk("fl=%p dev=0x%x:0x%x ino=0x%lx fl_blocker=%p fl_owner=%p fl_pid=%u fl_flags=%s fl_type=%s fl_start=%lld fl_end=%lld ret=%d",
1890910f 96 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
ada5c1da 97 __entry->i_ino, __entry->fl_blocker, __entry->fl_owner,
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98 __entry->fl_pid, show_fl_flags(__entry->fl_flags),
99 show_fl_type(__entry->fl_type),
100 __entry->fl_start, __entry->fl_end, __entry->ret)
101);
102
103DEFINE_EVENT(filelock_lock, posix_lock_inode,
104 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
105 TP_ARGS(inode, fl, ret));
106
107DEFINE_EVENT(filelock_lock, fcntl_setlk,
108 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
109 TP_ARGS(inode, fl, ret));
110
111DEFINE_EVENT(filelock_lock, locks_remove_posix,
112 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
113 TP_ARGS(inode, fl, ret));
114
c883da31
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115DEFINE_EVENT(filelock_lock, flock_lock_inode,
116 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
117 TP_ARGS(inode, fl, ret));
62af4f1f 118
c883da31 119DECLARE_EVENT_CLASS(filelock_lease,
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120 TP_PROTO(struct inode *inode, struct file_lock *fl),
121
122 TP_ARGS(inode, fl),
123
124 TP_STRUCT__entry(
125 __field(struct file_lock *, fl)
126 __field(unsigned long, i_ino)
127 __field(dev_t, s_dev)
ada5c1da 128 __field(struct file_lock *, fl_blocker)
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129 __field(fl_owner_t, fl_owner)
130 __field(unsigned int, fl_flags)
131 __field(unsigned char, fl_type)
132 __field(unsigned long, fl_break_time)
133 __field(unsigned long, fl_downgrade_time)
134 ),
135
136 TP_fast_assign(
0efaa7e8 137 __entry->fl = fl ? fl : NULL;
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138 __entry->s_dev = inode->i_sb->s_dev;
139 __entry->i_ino = inode->i_ino;
ada5c1da 140 __entry->fl_blocker = fl ? fl->fl_blocker : NULL;
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141 __entry->fl_owner = fl ? fl->fl_owner : NULL;
142 __entry->fl_flags = fl ? fl->fl_flags : 0;
143 __entry->fl_type = fl ? fl->fl_type : 0;
144 __entry->fl_break_time = fl ? fl->fl_break_time : 0;
145 __entry->fl_downgrade_time = fl ? fl->fl_downgrade_time : 0;
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146 ),
147
1ad5f100 148 TP_printk("fl=%p dev=0x%x:0x%x ino=0x%lx fl_blocker=%p fl_owner=%p fl_flags=%s fl_type=%s fl_break_time=%lu fl_downgrade_time=%lu",
62af4f1f 149 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
ada5c1da 150 __entry->i_ino, __entry->fl_blocker, __entry->fl_owner,
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151 show_fl_flags(__entry->fl_flags),
152 show_fl_type(__entry->fl_type),
153 __entry->fl_break_time, __entry->fl_downgrade_time)
154);
155
156DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
157 TP_ARGS(inode, fl));
158
159DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl),
160 TP_ARGS(inode, fl));
161
162DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
163 TP_ARGS(inode, fl));
164
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165DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl),
166 TP_ARGS(inode, fl));
167
168DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl),
169 TP_ARGS(inode, fl));
170
d11797a0
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171TRACE_EVENT(generic_add_lease,
172 TP_PROTO(struct inode *inode, struct file_lock *fl),
173
174 TP_ARGS(inode, fl),
175
176 TP_STRUCT__entry(
177 __field(unsigned long, i_ino)
178 __field(int, wcount)
6b0e4277 179 __field(int, rcount)
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180 __field(int, icount)
181 __field(dev_t, s_dev)
182 __field(fl_owner_t, fl_owner)
183 __field(unsigned int, fl_flags)
184 __field(unsigned char, fl_type)
185 ),
186
187 TP_fast_assign(
188 __entry->s_dev = inode->i_sb->s_dev;
189 __entry->i_ino = inode->i_ino;
190 __entry->wcount = atomic_read(&inode->i_writecount);
6b0e4277 191 __entry->rcount = atomic_read(&inode->i_readcount);
d11797a0 192 __entry->icount = atomic_read(&inode->i_count);
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193 __entry->fl_owner = fl->fl_owner;
194 __entry->fl_flags = fl->fl_flags;
195 __entry->fl_type = fl->fl_type;
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196 ),
197
1ad5f100 198 TP_printk("dev=0x%x:0x%x ino=0x%lx wcount=%d rcount=%d icount=%d fl_owner=%p fl_flags=%s fl_type=%s",
d11797a0 199 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
6b0e4277 200 __entry->i_ino, __entry->wcount, __entry->rcount,
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201 __entry->icount, __entry->fl_owner,
202 show_fl_flags(__entry->fl_flags),
203 show_fl_type(__entry->fl_type))
204);
205
d51f527f
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206TRACE_EVENT(leases_conflict,
207 TP_PROTO(bool conflict, struct file_lock *lease, struct file_lock *breaker),
208
209 TP_ARGS(conflict, lease, breaker),
210
211 TP_STRUCT__entry(
212 __field(void *, lease)
213 __field(void *, breaker)
214 __field(unsigned int, l_fl_flags)
215 __field(unsigned int, b_fl_flags)
216 __field(unsigned char, l_fl_type)
217 __field(unsigned char, b_fl_type)
218 __field(bool, conflict)
219 ),
220
221 TP_fast_assign(
222 __entry->lease = lease;
223 __entry->l_fl_flags = lease->fl_flags;
224 __entry->l_fl_type = lease->fl_type;
225 __entry->breaker = breaker;
226 __entry->b_fl_flags = breaker->fl_flags;
227 __entry->b_fl_type = breaker->fl_type;
228 __entry->conflict = conflict;
229 ),
230
1ad5f100 231 TP_printk("conflict %d: lease=%p fl_flags=%s fl_type=%s; breaker=%p fl_flags=%s fl_type=%s",
d51f527f
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232 __entry->conflict,
233 __entry->lease,
234 show_fl_flags(__entry->l_fl_flags),
235 show_fl_type(__entry->l_fl_type),
236 __entry->breaker,
237 show_fl_flags(__entry->b_fl_flags),
238 show_fl_type(__entry->b_fl_type))
239);
240
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241#endif /* _TRACE_FILELOCK_H */
242
243/* This part must be outside protection */
244#include <trace/define_trace.h>