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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Li Zefand0b6e042009-07-13 10:33:21 +08002#undef TRACE_SYSTEM
Frederic Weisbecker67178762009-11-13 10:06:34 +01003#define TRACE_SYSTEM lock
Li Zefand0b6e042009-07-13 10:33:21 +08004
Frederic Weisbecker67178762009-11-13 10:06:34 +01005#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_LOCK_H
Peter Zijlstraefed7922009-03-04 12:32:55 +01007
8#include <linux/lockdep.h>
9#include <linux/tracepoint.h>
10
Steven Rostedtea20d922009-04-10 08:54:16 -040011#ifdef CONFIG_LOCKDEP
12
Steven Rostedt39517092009-04-24 11:05:52 -040013TRACE_EVENT(lock_acquire,
14
Steven Rostedtea20d922009-04-10 08:54:16 -040015 TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
16 int trylock, int read, int check,
17 struct lockdep_map *next_lock, unsigned long ip),
Steven Rostedtea20d922009-04-10 08:54:16 -040018
Steven Rostedt39517092009-04-24 11:05:52 -040019 TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
20
21 TP_STRUCT__entry(
22 __field(unsigned int, flags)
23 __string(name, lock->name)
Hitoshi Mitakec965be12010-01-30 20:43:32 +090024 __field(void *, lockdep_addr)
Steven Rostedt39517092009-04-24 11:05:52 -040025 ),
26
27 TP_fast_assign(
28 __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
29 __assign_str(name, lock->name);
Hitoshi Mitakec965be12010-01-30 20:43:32 +090030 __entry->lockdep_addr = lock;
Steven Rostedt39517092009-04-24 11:05:52 -040031 ),
32
Hitoshi Mitakec965be12010-01-30 20:43:32 +090033 TP_printk("%p %s%s%s", __entry->lockdep_addr,
34 (__entry->flags & 1) ? "try " : "",
Steven Rostedt39517092009-04-24 11:05:52 -040035 (__entry->flags & 2) ? "read " : "",
36 __get_str(name))
37);
38
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020039DECLARE_EVENT_CLASS(lock,
Steven Rostedt39517092009-04-24 11:05:52 -040040
Frederic Weisbecker93135432010-05-08 06:24:25 +020041 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
Steven Rostedt39517092009-04-24 11:05:52 -040042
Frederic Weisbecker93135432010-05-08 06:24:25 +020043 TP_ARGS(lock, ip),
Steven Rostedt39517092009-04-24 11:05:52 -040044
45 TP_STRUCT__entry(
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020046 __string( name, lock->name )
47 __field( void *, lockdep_addr )
Steven Rostedt39517092009-04-24 11:05:52 -040048 ),
49
50 TP_fast_assign(
51 __assign_str(name, lock->name);
Hitoshi Mitakec965be12010-01-30 20:43:32 +090052 __entry->lockdep_addr = lock;
Steven Rostedt39517092009-04-24 11:05:52 -040053 ),
54
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020055 TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
56);
57
58DEFINE_EVENT(lock, lock_release,
59
60 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
61
62 TP_ARGS(lock, ip)
Steven Rostedt39517092009-04-24 11:05:52 -040063);
Steven Rostedtea20d922009-04-10 08:54:16 -040064
65#ifdef CONFIG_LOCK_STAT
66
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020067DEFINE_EVENT(lock, lock_contended,
Steven Rostedt39517092009-04-24 11:05:52 -040068
Steven Rostedtea20d922009-04-10 08:54:16 -040069 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
Steven Rostedt39517092009-04-24 11:05:52 -040070
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020071 TP_ARGS(lock, ip)
Steven Rostedt39517092009-04-24 11:05:52 -040072);
Steven Rostedtea20d922009-04-10 08:54:16 -040073
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020074DEFINE_EVENT(lock, lock_acquired,
75
Frederic Weisbecker883a2a32010-05-08 06:16:11 +020076 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
Steven Rostedtea20d922009-04-10 08:54:16 -040077
Frederic Weisbecker2c193c72010-05-08 06:36:02 +020078 TP_ARGS(lock, ip)
Steven Rostedtea20d922009-04-10 08:54:16 -040079);
Peter Zijlstraefed7922009-03-04 12:32:55 +010080
81#endif
Steven Rostedtea20d922009-04-10 08:54:16 -040082#endif
83
Frederic Weisbecker67178762009-11-13 10:06:34 +010084#endif /* _TRACE_LOCK_H */
Steven Rostedta8d154b2009-04-10 09:36:00 -040085
86/* This part must be outside protection */
87#include <trace/define_trace.h>