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

/* SPDX-License-Identifier: GPL-2.0 */
#include <lttng-kernel-version.h>

#undef TRACE_SYSTEM
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,34))
		ctf_integer_hex(void *, lockdep_addr, lock)
#endif
	)
)

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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	/* SPDX-License-Identifier: GPL-2.0 */
	2	#include <lttng-kernel-version.h>
	3
	4	#undef TRACE_SYSTEM
	5	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33))
	6	#define TRACE_SYSTEM lock
	7	#else
	8	#define TRACE_SYSTEM lockdep
	9	#define TRACE_INCLUDE_FILE lock
	10	#if defined(_TRACE_LOCKDEP_H)
	11	#define LTTNG_TRACE_LOCK_H
	12	#endif
	13	#endif
	14
	15	#if !defined(LTTNG_TRACE_LOCK_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	16	#define LTTNG_TRACE_LOCK_H
	17
	18	#include <linux/lockdep.h>
	19	#include <probes/lttng-tracepoint-event.h>
	20
	21	#ifdef CONFIG_LOCKDEP
	22
	23	LTTNG_TRACEPOINT_EVENT(lock_acquire,
	24
	25	TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
	26	int trylock, int read, int check,
	27	struct lockdep_map *next_lock, unsigned long ip),
	28
	29	TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
	30
	31	TP_FIELDS(
	32	ctf_integer(unsigned int, flags, (trylock ? 1 : 0) \| (read ? 2 : 0))
	33	ctf_string(name, lock->name)
	34	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,34))
	35	ctf_integer_hex(void *, lockdep_addr, lock)
	36	#endif
	37	)
	38	)
	39
	40	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,35))
	41
	42	LTTNG_TRACEPOINT_EVENT_CLASS(lock,
	43
	44	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	45
	46	TP_ARGS(lock, ip),
	47
	48	TP_FIELDS(
	49	ctf_string(name, lock->name)
	50	ctf_integer_hex(void *, lockdep_addr, lock)
	51	)
	52	)
	53
	54	LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_release,
	55
	56	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	57
	58	TP_ARGS(lock, ip)
	59	)
	60
	61	#ifdef CONFIG_LOCK_STAT
	62
	63	LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_contended,
	64
	65	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	66
	67	TP_ARGS(lock, ip)
	68	)
	69
	70	LTTNG_TRACEPOINT_EVENT_INSTANCE(lock, lock_acquired,
	71
	72	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	73
	74	TP_ARGS(lock, ip)
	75	)
	76
	77	#endif
	78
	79	#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,35)) */
	80
	81	LTTNG_TRACEPOINT_EVENT(lock_release,
	82
	83	TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
	84
	85	TP_ARGS(lock, nested, ip),
	86
	87	TP_FIELDS(
	88	ctf_string(name, lock->name)
	89	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,34))
	90	ctf_integer_hex(void *, lockdep_addr, lock)
	91	#endif
	92	)
	93	)
	94
	95	#ifdef CONFIG_LOCK_STAT
	96
	97	LTTNG_TRACEPOINT_EVENT(lock_contended,
	98
	99	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
	100
	101	TP_ARGS(lock, ip),
	102
	103	TP_FIELDS(
	104	ctf_string(name, lock->name)
	105	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,34))
	106	ctf_integer_hex(void *, lockdep_addr, lock)
	107	#endif
	108	)
	109	)
	110
	111	LTTNG_TRACEPOINT_EVENT(lock_acquired,
	112
	113	TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
	114
	115	TP_ARGS(lock, ip, waittime),
	116
	117	TP_FIELDS(
	118	ctf_string(name, lock->name)
	119	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,34))
	120	ctf_integer(s64, wait_nsec, wait_nsec)
	121	ctf_integer_hex(void *, lockdep_addr, lock)
	122	#else
	123	ctf_integer(unsigned long, wait_usec, (unsigned long) waittime)
	124	ctf_integer(unsigned long, wait_nsec_rem, do_div(waittime, NSEC_PER_USEC))
	125	#endif
	126	)
	127	)
	128
	129	#endif
	130
	131	#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,35)) */
	132
	133	#endif
	134
	135	#endif /* LTTNG_TRACE_LOCK_H */
	136
	137	/* This part must be outside protection */
	138	#include <probes/define_trace.h>