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62af4f1f JL |
1 | /* |
2 | * Events for filesystem locks | |
3 | * | |
4 | * Copyright 2013 Jeff Layton <jlayton@poochiereds.net> | |
5 | */ | |
6 | #undef TRACE_SYSTEM | |
7 | #define TRACE_SYSTEM filelock | |
8 | ||
9 | #if !defined(_TRACE_FILELOCK_H) || defined(TRACE_HEADER_MULTI_READ) | |
10 | #define _TRACE_FILELOCK_H | |
11 | ||
12 | #include <linux/tracepoint.h> | |
13 | #include <linux/fs.h> | |
14 | #include <linux/device.h> | |
15 | #include <linux/kdev_t.h> | |
16 | ||
17 | #define show_fl_flags(val) \ | |
18 | __print_flags(val, "|", \ | |
19 | { FL_POSIX, "FL_POSIX" }, \ | |
20 | { FL_FLOCK, "FL_FLOCK" }, \ | |
21 | { FL_DELEG, "FL_DELEG" }, \ | |
22 | { FL_ACCESS, "FL_ACCESS" }, \ | |
23 | { FL_EXISTS, "FL_EXISTS" }, \ | |
24 | { FL_LEASE, "FL_LEASE" }, \ | |
25 | { FL_CLOSE, "FL_CLOSE" }, \ | |
26 | { FL_SLEEP, "FL_SLEEP" }, \ | |
27 | { FL_DOWNGRADE_PENDING, "FL_DOWNGRADE_PENDING" }, \ | |
28 | { FL_UNLOCK_PENDING, "FL_UNLOCK_PENDING" }, \ | |
29 | { FL_OFDLCK, "FL_OFDLCK" }) | |
30 | ||
31 | #define show_fl_type(val) \ | |
32 | __print_symbolic(val, \ | |
33 | { F_RDLCK, "F_RDLCK" }, \ | |
34 | { F_WRLCK, "F_WRLCK" }, \ | |
35 | { F_UNLCK, "F_UNLCK" }) | |
36 | ||
1890910f JL |
37 | TRACE_EVENT(locks_get_lock_context, |
38 | TP_PROTO(struct inode *inode, int type, struct file_lock_context *ctx), | |
39 | ||
40 | TP_ARGS(inode, type, ctx), | |
41 | ||
42 | TP_STRUCT__entry( | |
43 | __field(unsigned long, i_ino) | |
44 | __field(dev_t, s_dev) | |
45 | __field(unsigned char, type) | |
46 | __field(struct file_lock_context *, ctx) | |
47 | ), | |
48 | ||
49 | TP_fast_assign( | |
50 | __entry->s_dev = inode->i_sb->s_dev; | |
51 | __entry->i_ino = inode->i_ino; | |
52 | __entry->type = type; | |
53 | __entry->ctx = ctx; | |
54 | ), | |
55 | ||
56 | TP_printk("dev=0x%x:0x%x ino=0x%lx type=%s ctx=%p", | |
57 | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
58 | __entry->i_ino, show_fl_type(__entry->type), __entry->ctx) | |
59 | ); | |
60 | ||
61 | DECLARE_EVENT_CLASS(filelock_lock, | |
62 | TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
63 | ||
64 | TP_ARGS(inode, fl, ret), | |
65 | ||
66 | TP_STRUCT__entry( | |
67 | __field(struct file_lock *, fl) | |
68 | __field(unsigned long, i_ino) | |
69 | __field(dev_t, s_dev) | |
70 | __field(struct file_lock *, fl_next) | |
71 | __field(fl_owner_t, fl_owner) | |
72 | __field(unsigned int, fl_pid) | |
73 | __field(unsigned int, fl_flags) | |
74 | __field(unsigned char, fl_type) | |
75 | __field(loff_t, fl_start) | |
76 | __field(loff_t, fl_end) | |
77 | __field(int, ret) | |
78 | ), | |
79 | ||
80 | TP_fast_assign( | |
81 | __entry->fl = fl ? fl : NULL; | |
82 | __entry->s_dev = inode->i_sb->s_dev; | |
83 | __entry->i_ino = inode->i_ino; | |
84 | __entry->fl_next = fl ? fl->fl_next : NULL; | |
85 | __entry->fl_owner = fl ? fl->fl_owner : NULL; | |
86 | __entry->fl_pid = fl ? fl->fl_pid : 0; | |
87 | __entry->fl_flags = fl ? fl->fl_flags : 0; | |
88 | __entry->fl_type = fl ? fl->fl_type : 0; | |
89 | __entry->fl_start = fl ? fl->fl_start : 0; | |
90 | __entry->fl_end = fl ? fl->fl_end : 0; | |
91 | __entry->ret = ret; | |
92 | ), | |
93 | ||
94 | TP_printk("fl=0x%p dev=0x%x:0x%x ino=0x%lx fl_next=0x%p fl_owner=0x%p fl_pid=%u fl_flags=%s fl_type=%s fl_start=%lld fl_end=%lld ret=%d", | |
95 | __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
96 | __entry->i_ino, __entry->fl_next, __entry->fl_owner, | |
97 | __entry->fl_pid, show_fl_flags(__entry->fl_flags), | |
98 | show_fl_type(__entry->fl_type), | |
99 | __entry->fl_start, __entry->fl_end, __entry->ret) | |
100 | ); | |
101 | ||
102 | DEFINE_EVENT(filelock_lock, posix_lock_inode, | |
103 | TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
104 | TP_ARGS(inode, fl, ret)); | |
105 | ||
106 | DEFINE_EVENT(filelock_lock, fcntl_setlk, | |
107 | TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
108 | TP_ARGS(inode, fl, ret)); | |
109 | ||
110 | DEFINE_EVENT(filelock_lock, locks_remove_posix, | |
111 | TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
112 | TP_ARGS(inode, fl, ret)); | |
113 | ||
62af4f1f JL |
114 | DECLARE_EVENT_CLASS(filelock_lease, |
115 | ||
116 | TP_PROTO(struct inode *inode, struct file_lock *fl), | |
117 | ||
118 | TP_ARGS(inode, fl), | |
119 | ||
120 | TP_STRUCT__entry( | |
121 | __field(struct file_lock *, fl) | |
122 | __field(unsigned long, i_ino) | |
123 | __field(dev_t, s_dev) | |
124 | __field(struct file_lock *, fl_next) | |
125 | __field(fl_owner_t, fl_owner) | |
126 | __field(unsigned int, fl_flags) | |
127 | __field(unsigned char, fl_type) | |
128 | __field(unsigned long, fl_break_time) | |
129 | __field(unsigned long, fl_downgrade_time) | |
130 | ), | |
131 | ||
132 | TP_fast_assign( | |
0efaa7e8 | 133 | __entry->fl = fl ? fl : NULL; |
62af4f1f JL |
134 | __entry->s_dev = inode->i_sb->s_dev; |
135 | __entry->i_ino = inode->i_ino; | |
0efaa7e8 JL |
136 | __entry->fl_next = fl ? fl->fl_next : NULL; |
137 | __entry->fl_owner = fl ? fl->fl_owner : NULL; | |
138 | __entry->fl_flags = fl ? fl->fl_flags : 0; | |
139 | __entry->fl_type = fl ? fl->fl_type : 0; | |
140 | __entry->fl_break_time = fl ? fl->fl_break_time : 0; | |
141 | __entry->fl_downgrade_time = fl ? fl->fl_downgrade_time : 0; | |
62af4f1f JL |
142 | ), |
143 | ||
144 | TP_printk("fl=0x%p dev=0x%x:0x%x ino=0x%lx fl_next=0x%p fl_owner=0x%p fl_flags=%s fl_type=%s fl_break_time=%lu fl_downgrade_time=%lu", | |
145 | __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
146 | __entry->i_ino, __entry->fl_next, __entry->fl_owner, | |
147 | show_fl_flags(__entry->fl_flags), | |
148 | show_fl_type(__entry->fl_type), | |
149 | __entry->fl_break_time, __entry->fl_downgrade_time) | |
150 | ); | |
151 | ||
152 | DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl), | |
153 | TP_ARGS(inode, fl)); | |
154 | ||
155 | DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl), | |
156 | TP_ARGS(inode, fl)); | |
157 | ||
158 | DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl), | |
159 | TP_ARGS(inode, fl)); | |
160 | ||
62af4f1f JL |
161 | DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl), |
162 | TP_ARGS(inode, fl)); | |
163 | ||
164 | DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl), | |
165 | TP_ARGS(inode, fl)); | |
166 | ||
d11797a0 JL |
167 | TRACE_EVENT(generic_add_lease, |
168 | TP_PROTO(struct inode *inode, struct file_lock *fl), | |
169 | ||
170 | TP_ARGS(inode, fl), | |
171 | ||
172 | TP_STRUCT__entry( | |
173 | __field(unsigned long, i_ino) | |
174 | __field(int, wcount) | |
175 | __field(int, dcount) | |
176 | __field(int, icount) | |
177 | __field(dev_t, s_dev) | |
178 | __field(fl_owner_t, fl_owner) | |
179 | __field(unsigned int, fl_flags) | |
180 | __field(unsigned char, fl_type) | |
181 | ), | |
182 | ||
183 | TP_fast_assign( | |
184 | __entry->s_dev = inode->i_sb->s_dev; | |
185 | __entry->i_ino = inode->i_ino; | |
186 | __entry->wcount = atomic_read(&inode->i_writecount); | |
187 | __entry->dcount = d_count(fl->fl_file->f_path.dentry); | |
188 | __entry->icount = atomic_read(&inode->i_count); | |
189 | __entry->fl_owner = fl ? fl->fl_owner : NULL; | |
190 | __entry->fl_flags = fl ? fl->fl_flags : 0; | |
191 | __entry->fl_type = fl ? fl->fl_type : 0; | |
192 | ), | |
193 | ||
194 | TP_printk("dev=0x%x:0x%x ino=0x%lx wcount=%d dcount=%d icount=%d fl_owner=0x%p fl_flags=%s fl_type=%s", | |
195 | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
196 | __entry->i_ino, __entry->wcount, __entry->dcount, | |
197 | __entry->icount, __entry->fl_owner, | |
198 | show_fl_flags(__entry->fl_flags), | |
199 | show_fl_type(__entry->fl_type)) | |
200 | ); | |
201 | ||
62af4f1f JL |
202 | #endif /* _TRACE_FILELOCK_H */ |
203 | ||
204 | /* This part must be outside protection */ | |
205 | #include <trace/define_trace.h> |