[lttng-modules.git] / instrumentation / events / lttng-module / lock.h

#include <linux/version.h>

#undef TRACE_SYSTEM
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
#define TRACE_SYSTEM lock
#else
#define TRACE_SYSTEM lockdep
#define TRACE_INCLUDE_FILE lock
#if defined(_TRACE_LOCKDEP_H)
#define LTTNG_TRACE_LOCK_H
#endif
#endif

#if !defined(LTTNG_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
#define LTTNG_TRACE_LOCK_H

#include <linux/lockdep.h>
#include <probes/lttng-tracepoint-event.h>

#ifdef CONFIG_LOCKDEP

LTTNG_TRACEPOINT_EVENT(lock_acquire,

	TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
		int trylock, int read, int check,
		struct lockdep_map *next_lock, unsigned long ip),

	TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),

	TP_FIELDS(
		ctf_integer(unsigned int, flags, (trylock ? 1 : 0) | (read ? 2 : 0))
		ctf_string(name, lock->name)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
		ctf_integer_hex(void *, lockdep_addr, lock)
#endif
	)
)

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))

LTTNG_TRACEPOINT_EVENT_CLASS(lock,

	TP_PROTO(struct lockdep_map *lock, unsigned long ip),

	TP_ARGS(lock, ip),

	TP_FIELDS(
		ctf_string(name, lock->name)
		ctf_integer_hex(void *, lockdep_addr, lock)
	)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_release,

	TP_PROTO(struct lockdep_map *lock, unsigned long ip),

	TP_ARGS(lock, ip)
)

#ifdef CONFIG_LOCK_STAT

LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_contended,

	TP_PROTO(struct lockdep_map *lock, unsigned long ip),

	TP_ARGS(lock, ip)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_acquired,

	TP_PROTO(struct lockdep_map *lock, unsigned long ip),

	TP_ARGS(lock, ip)
)

#endif

#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */

LTTNG_TRACEPOINT_EVENT(lock_release,

	TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),

	TP_ARGS(lock, nested, ip),

	TP_FIELDS(
		ctf_string(name, lock->name)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
		ctf_integer_hex(void *, lockdep_addr, lock)
#endif
	)
)

#ifdef CONFIG_LOCK_STAT

LTTNG_TRACEPOINT_EVENT(lock_contended,

	TP_PROTO(struct lockdep_map *lock, unsigned long ip),

	TP_ARGS(lock, ip),

	TP_FIELDS(
		ctf_string(name, lock->name)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
		ctf_integer_hex(void *, lockdep_addr, lock)
#endif
	)
)

LTTNG_TRACEPOINT_EVENT(lock_acquired,

	TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),

	TP_ARGS(lock, ip, waittime),

	TP_FIELDS(
		ctf_string(name, lock->name)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
		ctf_integer(s64, wait_nsec, wait_nsec)
		ctf_integer_hex(void *, lockdep_addr, lock)
#else
		ctf_integer(unsigned long, wait_usec, (unsigned long) waittime)
		ctf_integer(unsigned long, wait_nsec_rem, do_div(waittime, NSEC_PER_USEC))
#endif
	)
)

#endif

#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */

#endif

#endif /* LTTNG_TRACE_LOCK_H */

/* This part must be outside protection */
#include <probes/define_trace.h>
Commit	Line	Data
	1	#include <linux/version.h>
	2
	3	#undef TRACE_SYSTEM
	4	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
	5	#define TRACE_SYSTEM lock
	6	#else
	7	#define TRACE_SYSTEM lockdep
	8	#define TRACE_INCLUDE_FILE lock
	9	#if defined(_TRACE_LOCKDEP_H)
	10	#define LTTNG_TRACE_LOCK_H
	11	#endif
	12	#endif
	13
	14	#if !defined(LTTNG_TRACE_LOCK_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	15	#define LTTNG_TRACE_LOCK_H
	16
	17	#include <linux/lockdep.h>
	18	#include <probes/lttng-tracepoint-event.h>
	19
	20	#ifdef CONFIG_LOCKDEP
	21
	22	LTTNG_TRACEPOINT_EVENT(lock_acquire,
	23
	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),
	27
	28	TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
	29
	30	TP_FIELDS(
	31	ctf_integer(unsigned int, flags, (trylock ? 1 : 0) \| (read ? 2 : 0))
	32	ctf_string(name, lock->name)
	33	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
	34	ctf_integer_hex(void *, lockdep_addr, lock)
	35	#endif
	36	)
	37	)
	38
	39	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
	40
	41	LTTNG_TRACEPOINT_EVENT_CLASS(lock,
	42
	43	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	44
	45	TP_ARGS(lock, ip),
	46
	47	TP_FIELDS(
	48	ctf_string(name, lock->name)
	49	ctf_integer_hex(void *, lockdep_addr, lock)
	50	)
	51	)
	52
	53	LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_release,
	54
	55	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	56
	57	TP_ARGS(lock, ip)
	58	)
	59
	60	#ifdef CONFIG_LOCK_STAT
	61
	62	LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_contended,
	63
	64	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	65
	66	TP_ARGS(lock, ip)
	67	)
	68
	69	LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_acquired,
	70
	71	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	72
	73	TP_ARGS(lock, ip)
	74	)
	75
	76	#endif
	77
	78	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	79
	80	LTTNG_TRACEPOINT_EVENT(lock_release,
	81
	82	TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
	83
	84	TP_ARGS(lock, nested, ip),
	85
	86	TP_FIELDS(
	87	ctf_string(name, lock->name)
	88	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
	89	ctf_integer_hex(void *, lockdep_addr, lock)
	90	#endif
	91	)
	92	)
	93
	94	#ifdef CONFIG_LOCK_STAT
	95
	96	LTTNG_TRACEPOINT_EVENT(lock_contended,
	97
	98	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	99
	100	TP_ARGS(lock, ip),
	101
	102	TP_FIELDS(
	103	ctf_string(name, lock->name)
	104	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
	105	ctf_integer_hex(void *, lockdep_addr, lock)
	106	#endif
	107	)
	108	)
	109
	110	LTTNG_TRACEPOINT_EVENT(lock_acquired,
	111
	112	TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
	113
	114	TP_ARGS(lock, ip, waittime),
	115
	116	TP_FIELDS(
	117	ctf_string(name, lock->name)
	118	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
	119	ctf_integer(s64, wait_nsec, wait_nsec)
	120	ctf_integer_hex(void *, lockdep_addr, lock)
	121	#else
	122	ctf_integer(unsigned long, wait_usec, (unsigned long) waittime)
	123	ctf_integer(unsigned long, wait_nsec_rem, do_div(waittime, NSEC_PER_USEC))
	124	#endif
	125	)
	126	)
	127
	128	#endif
	129
	130	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	131
	132	#endif
	133
	134	#endif /* LTTNG_TRACE_LOCK_H */
	135
	136	/* This part must be outside protection */
	137	#include <probes/define_trace.h>