Line data Source code
1 : /* SPDX-License-Identifier: GPL-2.0 */
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 :
38 722 : TRACE_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 :
62 0 : DECLARE_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)
71 : __field(struct file_lock *, fl_blocker)
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;
85 : __entry->fl_blocker = fl ? fl->fl_blocker : NULL;
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 :
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",
96 : __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
97 : __entry->i_ino, __entry->fl_blocker, __entry->fl_owner,
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 :
103 268 : DEFINE_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 :
107 180 : DEFINE_EVENT(filelock_lock, fcntl_setlk,
108 : TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
109 : TP_ARGS(inode, fl, ret));
110 :
111 84 : DEFINE_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 :
115 454 : DEFINE_EVENT(filelock_lock, flock_lock_inode,
116 : TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
117 : TP_ARGS(inode, fl, ret));
118 :
119 0 : DECLARE_EVENT_CLASS(filelock_lease,
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)
128 : __field(struct file_lock *, fl_blocker)
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(
137 : __entry->fl = fl ? fl : NULL;
138 : __entry->s_dev = inode->i_sb->s_dev;
139 : __entry->i_ino = inode->i_ino;
140 : __entry->fl_blocker = fl ? fl->fl_blocker : NULL;
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;
146 : ),
147 :
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",
149 : __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
150 : __entry->i_ino, __entry->fl_blocker, __entry->fl_owner,
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 :
156 0 : DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
157 : TP_ARGS(inode, fl));
158 :
159 0 : DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl),
160 : TP_ARGS(inode, fl));
161 :
162 0 : DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
163 : TP_ARGS(inode, fl));
164 :
165 0 : DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl),
166 : TP_ARGS(inode, fl));
167 :
168 0 : DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl),
169 : TP_ARGS(inode, fl));
170 :
171 0 : TRACE_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)
179 : __field(int, rcount)
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);
191 : __entry->rcount = atomic_read(&inode->i_readcount);
192 : __entry->icount = atomic_read(&inode->i_count);
193 : __entry->fl_owner = fl->fl_owner;
194 : __entry->fl_flags = fl->fl_flags;
195 : __entry->fl_type = fl->fl_type;
196 : ),
197 :
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",
199 : MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
200 : __entry->i_ino, __entry->wcount, __entry->rcount,
201 : __entry->icount, __entry->fl_owner,
202 : show_fl_flags(__entry->fl_flags),
203 : show_fl_type(__entry->fl_type))
204 : );
205 :
206 0 : TRACE_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 :
231 : TP_printk("conflict %d: lease=%p fl_flags=%s fl_type=%s; breaker=%p fl_flags=%s fl_type=%s",
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 :
241 : #endif /* _TRACE_FILELOCK_H */
242 :
243 : /* This part must be outside protection */
244 : #include <trace/define_trace.h>
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