1 #include <linux/version.h>
4 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
5 #define TRACE_SYSTEM lock
7 #define TRACE_SYSTEM lockdep
8 #define TRACE_INCLUDE_FILE lock
9 #if defined(_TRACE_LOCKDEP_H)
10 #define LTTNG_TRACE_LOCK_H
14 #if !defined(LTTNG_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
15 #define LTTNG_TRACE_LOCK_H
17 #include <linux/lockdep.h>
18 #include "../../../probes/lttng-tracepoint-event.h"
22 LTTNG_TRACEPOINT_EVENT(lock_acquire
,
24 TP_PROTO(struct lockdep_map
*lock
, unsigned int subclass
,
25 int trylock
, int read
, int check
,
26 struct lockdep_map
*next_lock
, unsigned long ip
),
28 TP_ARGS(lock
, subclass
, trylock
, read
, check
, next_lock
, ip
),
31 __field(unsigned int, flags
)
32 __string(name
, lock
->name
)
33 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
34 __field(void *, lockdep_addr
)
39 tp_assign(flags
, (trylock
? 1 : 0) | (read
? 2 : 0))
40 tp_strcpy(name
, lock
->name
)
41 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
42 tp_assign(lockdep_addr
, lock
)
46 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
47 TP_printk("%p %s%s%s", __entry
->lockdep_addr
,
51 (__entry
->flags
& 1) ? "try " : "",
52 (__entry
->flags
& 2) ? "read " : "",
56 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
58 LTTNG_TRACEPOINT_EVENT_CLASS(lock
,
60 TP_PROTO(struct lockdep_map
*lock
, unsigned long ip
),
65 __string( name
, lock
->name
)
66 __field( void *, lockdep_addr
)
70 tp_strcpy(name
, lock
->name
)
71 tp_assign(lockdep_addr
, lock
)
74 TP_printk("%p %s", __entry
->lockdep_addr
, __get_str(name
))
77 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock
, lock_release
,
79 TP_PROTO(struct lockdep_map
*lock
, unsigned long ip
),
84 #ifdef CONFIG_LOCK_STAT
86 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock
, lock_contended
,
88 TP_PROTO(struct lockdep_map
*lock
, unsigned long ip
),
93 LTTNG_TRACEPOINT_EVENT_INSTANCE(lock
, lock_acquired
,
95 TP_PROTO(struct lockdep_map
*lock
, unsigned long ip
),
102 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
104 LTTNG_TRACEPOINT_EVENT(lock_release
,
106 TP_PROTO(struct lockdep_map
*lock
, int nested
, unsigned long ip
),
108 TP_ARGS(lock
, nested
, ip
),
111 __string( name
, lock
->name
)
112 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
113 __field( void *, lockdep_addr
)
118 tp_strcpy(name
, lock
->name
)
119 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
120 tp_assign(lockdep_addr
, lock
)
124 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
125 TP_printk("%p %s", __entry
->lockdep_addr
, __get_str(name
))
127 TP_printk("%s", __get_str(name
))
131 #ifdef CONFIG_LOCK_STAT
133 LTTNG_TRACEPOINT_EVENT(lock_contended
,
135 TP_PROTO(struct lockdep_map
*lock
, unsigned long ip
),
140 __string( name
, lock
->name
)
141 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
142 __field( void *, lockdep_addr
)
147 tp_strcpy(name
, lock
->name
)
148 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
149 tp_assign(lockdep_addr
, lock
)
153 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
154 TP_printk("%p %s", __entry
->lockdep_addr
, __get_str(name
))
156 TP_printk("%s", __get_str(name
))
160 LTTNG_TRACEPOINT_EVENT(lock_acquired
,
162 TP_PROTO(struct lockdep_map
*lock
, unsigned long ip
, s64 waittime
),
164 TP_ARGS(lock
, ip
, waittime
),
167 __string( name
, lock
->name
)
168 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
169 __field( s64
, wait_nsec
)
170 __field( void *, lockdep_addr
)
172 __field(unsigned long, wait_usec
)
173 __field(unsigned long, wait_nsec_rem
)
178 tp_strcpy(name
, lock
->name
)
179 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
180 tp_assign(wait_nsec
, waittime
)
181 tp_assign(lockdep_addr
, lock
)
183 tp_assign(wait_usec
, (unsigned long)waittime
)
184 tp_assign(wait_nsec_rem
, do_div(waittime
, NSEC_PER_USEC
))
188 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
189 TP_printk("%p %s (%llu ns)", __entry
->lockdep_addr
,
190 __get_str(name
), __entry
->wait_nsec
)
192 TP_printk("%s (%lu.%03lu us)",
194 __entry
->wait_usec
, __entry
->wait_nsec_rem
)
200 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
204 #endif /* LTTNG_TRACE_LOCK_H */
206 /* This part must be outside protection */
207 #include "../../../probes/define_trace.h"
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