blob: a0d008070962b6b153b979e51108e3d23b4a5935 [file] [log] [blame]
Jeff Layton62af4f12014-05-09 14:13:05 -04001/*
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
37DECLARE_EVENT_CLASS(filelock_lease,
38
39 TP_PROTO(struct inode *inode, struct file_lock *fl),
40
41 TP_ARGS(inode, fl),
42
43 TP_STRUCT__entry(
44 __field(struct file_lock *, fl)
45 __field(unsigned long, i_ino)
46 __field(dev_t, s_dev)
47 __field(struct file_lock *, fl_next)
48 __field(fl_owner_t, fl_owner)
49 __field(unsigned int, fl_flags)
50 __field(unsigned char, fl_type)
51 __field(unsigned long, fl_break_time)
52 __field(unsigned long, fl_downgrade_time)
53 ),
54
55 TP_fast_assign(
Jeff Layton0efaa7e2014-08-22 10:18:45 -040056 __entry->fl = fl ? fl : NULL;
Jeff Layton62af4f12014-05-09 14:13:05 -040057 __entry->s_dev = inode->i_sb->s_dev;
58 __entry->i_ino = inode->i_ino;
Jeff Layton0efaa7e2014-08-22 10:18:45 -040059 __entry->fl_next = fl ? fl->fl_next : NULL;
60 __entry->fl_owner = fl ? fl->fl_owner : NULL;
61 __entry->fl_flags = fl ? fl->fl_flags : 0;
62 __entry->fl_type = fl ? fl->fl_type : 0;
63 __entry->fl_break_time = fl ? fl->fl_break_time : 0;
64 __entry->fl_downgrade_time = fl ? fl->fl_downgrade_time : 0;
Jeff Layton62af4f12014-05-09 14:13:05 -040065 ),
66
67 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",
68 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
69 __entry->i_ino, __entry->fl_next, __entry->fl_owner,
70 show_fl_flags(__entry->fl_flags),
71 show_fl_type(__entry->fl_type),
72 __entry->fl_break_time, __entry->fl_downgrade_time)
73);
74
75DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
76 TP_ARGS(inode, fl));
77
78DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl),
79 TP_ARGS(inode, fl));
80
81DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
82 TP_ARGS(inode, fl));
83
84DEFINE_EVENT(filelock_lease, generic_add_lease, TP_PROTO(struct inode *inode, struct file_lock *fl),
85 TP_ARGS(inode, fl));
86
87DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl),
88 TP_ARGS(inode, fl));
89
90DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl),
91 TP_ARGS(inode, fl));
92
93#endif /* _TRACE_FILELOCK_H */
94
95/* This part must be outside protection */
96#include <trace/define_trace.h>