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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl), |
157 | TP_ARGS(inode, fl)); |
158 | |
159 | DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl), |
160 | TP_ARGS(inode, fl)); |
161 | |
162 | DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl), |
163 | TP_ARGS(inode, fl)); |
164 | |
165 | DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl), |
166 | TP_ARGS(inode, fl)); |
167 | |
168 | DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl), |
169 | TP_ARGS(inode, fl)); |
170 | |
171 | 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 | 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> |
245 | |