[lttng-modules.git] / include / instrumentation / events / timer.h

/* SPDX-License-Identifier: GPL-2.0-only */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM timer

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

#include <lttng/tracepoint-event.h>

#ifndef _TRACE_TIMER_DEF_
#define _TRACE_TIMER_DEF_
#include <linux/hrtimer.h>
#include <linux/timer.h>
#include <lttng/kernel-version.h>

struct timer_list;

#endif /* _TRACE_TIMER_DEF_ */

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
#define lttng_ktime_get_tv64(kt)	(kt)
#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
#define lttng_ktime_get_tv64(kt)	((kt).tv64)
#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */

LTTNG_TRACEPOINT_EVENT_CLASS(timer_class,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer),

	TP_FIELDS(
		ctf_integer_hex(void *, timer, timer)
	)
)

/**
 * timer_init - called when the timer is initialized
 * @timer:	pointer to struct timer_list
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_init,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
)

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0) || \
	LTTNG_RHEL_KERNEL_RANGE(3,10,0,957,0,0, 3,11,0,0,0,0))
/**
 * timer_start - called when the timer is started
 * @timer:	pointer to struct timer_list
 * @expires:	the timers expiry time
 * @flags:	the timers expiry time
 */
LTTNG_TRACEPOINT_EVENT(timer_start,

	TP_PROTO(struct timer_list *timer, unsigned long expires,
		unsigned int flags),

	TP_ARGS(timer, expires, flags),

	TP_FIELDS(
		ctf_integer_hex(void *, timer, timer)
		ctf_integer_hex(void *, function, timer->function)
		ctf_integer(unsigned long, expires, expires)
		ctf_integer(unsigned long, now, jiffies)
		ctf_integer(unsigned int, flags, flags)
	)
)
#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
/**
 * timer_start - called when the timer is started
 * @timer:	pointer to struct timer_list
 * @expires:	the timers expiry time
 */
LTTNG_TRACEPOINT_EVENT(timer_start,

	TP_PROTO(struct timer_list *timer, unsigned long expires),

	TP_ARGS(timer, expires),

	TP_FIELDS(
		ctf_integer_hex(void *, timer, timer)
		ctf_integer_hex(void *, function, timer->function)
		ctf_integer(unsigned long, expires, expires)
		ctf_integer(unsigned long, now, jiffies)
	)
)
#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0) || \
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0))
/**
 * timer_expire_entry - called immediately before the timer callback
 * @timer:	pointer to struct timer_list
 *
 * Allows to determine the timer latency.
 */
LTTNG_TRACEPOINT_EVENT(timer_expire_entry,

	TP_PROTO(struct timer_list *timer, unsigned long baseclk),

	TP_ARGS(timer, baseclk),

	TP_FIELDS(
		ctf_integer_hex(void *, timer, timer)
		ctf_integer(unsigned long, now, jiffies)
		ctf_integer_hex(void *, function, timer->function)
		ctf_integer(unsigned long, baseclk, baseclk)
	)
)
#else
/**
 * timer_expire_entry - called immediately before the timer callback
 * @timer:	pointer to struct timer_list
 *
 * Allows to determine the timer latency.
 */
LTTNG_TRACEPOINT_EVENT(timer_expire_entry,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer),

	TP_FIELDS(
		ctf_integer_hex(void *, timer, timer)
		ctf_integer(unsigned long, now, jiffies)
		ctf_integer_hex(void *, function, timer->function)
	)
)
#endif

/**
 * timer_expire_exit - called immediately after the timer callback returns
 * @timer:	pointer to struct timer_list
 *
 * When used in combination with the timer_expire_entry tracepoint we can
 * determine the runtime of the timer callback function.
 *
 * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
 * be invalid. We solely track the pointer.
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
)

/**
 * timer_cancel - called when the timer is canceled
 * @timer:	pointer to struct timer_list
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
)

/**
 * hrtimer_init - called when the hrtimer is initialized
 * @timer:	pointer to struct hrtimer
 * @clockid:	the hrtimers clock
 * @mode:	the hrtimers mode
 */
LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init,

	timer_hrtimer_init,

	TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
		 enum hrtimer_mode mode),

	TP_ARGS(hrtimer, clockid, mode),

	TP_FIELDS(
		ctf_integer_hex(void *, hrtimer, hrtimer)
		ctf_integer(clockid_t, clockid, clockid)
		ctf_integer(enum hrtimer_mode, mode, mode)
	)
)

/**
 * hrtimer_start - called when the hrtimer is started
 * @timer: pointer to struct hrtimer
 */
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0) || \
	LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0))
LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,

	timer_hrtimer_start,

	TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),

	TP_ARGS(hrtimer, mode),

	TP_FIELDS(
		ctf_integer_hex(void *, hrtimer, hrtimer)
		ctf_integer_hex(void *, function, hrtimer->function)
		ctf_integer(s64, expires,
			lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
		ctf_integer(s64, softexpires,
			lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
		ctf_integer(enum hrtimer_mode, mode, mode)
	)
)
#else
LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,

	timer_hrtimer_start,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer),

	TP_FIELDS(
		ctf_integer_hex(void *, hrtimer, hrtimer)
		ctf_integer_hex(void *, function, hrtimer->function)
		ctf_integer(s64, expires,
			lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
		ctf_integer(s64, softexpires,
			lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
	)
)
#endif

/**
 * htimmer_expire_entry - called immediately before the hrtimer callback
 * @timer:	pointer to struct hrtimer
 * @now:	pointer to variable which contains current time of the
 *		timers base.
 *
 * Allows to determine the timer latency.
 */
LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry,

	timer_hrtimer_expire_entry,

	TP_PROTO(struct hrtimer *hrtimer, ktime_t *now),

	TP_ARGS(hrtimer, now),

	TP_FIELDS(
		ctf_integer_hex(void *, hrtimer, hrtimer)
		ctf_integer(s64, now, lttng_ktime_get_tv64(*now))
		ctf_integer_hex(void *, function, hrtimer->function)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer),

	TP_FIELDS(
		ctf_integer_hex(void *, hrtimer, hrtimer)
	)
)

/**
 * hrtimer_expire_exit - called immediately after the hrtimer callback returns
 * @timer:	pointer to struct hrtimer
 *
 * When used in combination with the hrtimer_expire_entry tracepoint we can
 * determine the runtime of the callback function.
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit,

	timer_hrtimer_expire_exit,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer)
)

/**
 * hrtimer_cancel - called when the hrtimer is canceled
 * @hrtimer:	pointer to struct hrtimer
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel,

	timer_hrtimer_cancel,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer)
)

/**
 * itimer_state - called when itimer is started or canceled
 * @which:	name of the interval timer
 * @value:	the itimers value, itimer is canceled if value->it_value is
 *		zero, otherwise it is started
 * @expires:	the itimers expiry time
 */
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0))
LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,

	timer_itimer_state,

	TP_PROTO(int which, const struct itimerspec64 *const value,
		 unsigned long long expires),

	TP_ARGS(which, value, expires),

	TP_FIELDS(
		ctf_integer(int, which, which)
		ctf_integer(unsigned long long, expires, expires)
		ctf_integer(long, value_sec, value->it_value.tv_sec)
		ctf_integer(long, value_nsec, value->it_value.tv_nsec)
		ctf_integer(long, interval_sec, value->it_interval.tv_sec)
		ctf_integer(long, interval_nsec, value->it_interval.tv_nsec)
	)
)
#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,

	timer_itimer_state,

	TP_PROTO(int which, const struct itimerval *const value,
		 unsigned long long expires),

	TP_ARGS(which, value, expires),

	TP_FIELDS(
		ctf_integer(int, which, which)
		ctf_integer(unsigned long long, expires, expires)
		ctf_integer(long, value_sec, value->it_value.tv_sec)
		ctf_integer(long, value_usec, value->it_value.tv_usec)
		ctf_integer(long, interval_sec, value->it_interval.tv_sec)
		ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	)
)
#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,

	timer_itimer_state,

	TP_PROTO(int which, const struct itimerval *const value,
		 cputime_t expires),

	TP_ARGS(which, value, expires),

	TP_FIELDS(
		ctf_integer(int, which, which)
		ctf_integer(cputime_t, expires, expires)
		ctf_integer(long, value_sec, value->it_value.tv_sec)
		ctf_integer(long, value_usec, value->it_value.tv_usec)
		ctf_integer(long, interval_sec, value->it_interval.tv_sec)
		ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	)
)
#endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */

/**
 * itimer_expire - called when itimer expires
 * @which:	type of the interval timer
 * @pid:	pid of the process which owns the timer
 * @now:	current time, used to calculate the latency of itimer
 */
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,

	timer_itimer_expire,

	TP_PROTO(int which, struct pid *pid, unsigned long long now),

	TP_ARGS(which, pid, now),

	TP_FIELDS(
		ctf_integer(int , which, which)
		ctf_integer(pid_t, pid, pid_nr(pid))
		ctf_integer(unsigned long long, now, now)
	)
)
#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,

	timer_itimer_expire,

	TP_PROTO(int which, struct pid *pid, cputime_t now),

	TP_ARGS(which, pid, now),

	TP_FIELDS(
		ctf_integer(int , which, which)
		ctf_integer(pid_t, pid, pid_nr(pid))
		ctf_integer(cputime_t, now, now)
	)
)
#endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */

#endif /*  LTTNG_TRACE_TIMER_H */

/* This part must be outside protection */
#include <lttng/define_trace.h>
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: GPL-2.0-only */
e54456f5 MD	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM timer
	4
3bc29f0a MD	5	#if !defined(LTTNG_TRACE_TIMER_H) \|\| defined(TRACE_HEADER_MULTI_READ)
3bc29f0a MD	6	#define LTTNG_TRACE_TIMER_H
e54456f5	7
3b4aafcb	8	#include <lttng/tracepoint-event.h>
e54456f5 MD	9
	10	#ifndef _TRACE_TIMER_DEF_
	11	#define _TRACE_TIMER_DEF_
	12	#include <linux/hrtimer.h>
	13	#include <linux/timer.h>
5f4c791e	14	#include <lttng/kernel-version.h>
3a523f5b MD	15
	16	struct timer_list;
	17
e54456f5 MD	18	#endif /* _TRACE_TIMER_DEF_ */
e54456f5 MD	19
5f4c791e	20	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
507143bc	21	#define lttng_ktime_get_tv64(kt) (kt)
5f4c791e	22	#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
507143bc	23	#define lttng_ktime_get_tv64(kt) ((kt).tv64)
5f4c791e	24	#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
507143bc	25
3bc29f0a	26	LTTNG_TRACEPOINT_EVENT_CLASS(timer_class,
e54456f5 MD	27
	28	TP_PROTO(struct timer_list *timer),
	29
	30	TP_ARGS(timer),
	31
f127e61e	32	TP_FIELDS(
fa91fcac	33	ctf_integer_hex(void *, timer, timer)
f127e61e	34	)
e54456f5 MD	35	)
	36
	37	/**
	38	* timer_init - called when the timer is initialized
	39	* @timer: pointer to struct timer_list
	40	*/
3bc29f0a	41	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_init,
e54456f5 MD	42
	43	TP_PROTO(struct timer_list *timer),
	44
	45	TP_ARGS(timer)
	46	)
	47
5f4c791e	48	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0) \|\| \
a2e303cc	49	LTTNG_RHEL_KERNEL_RANGE(3,10,0,957,0,0, 3,11,0,0,0,0))
32328e6c MD	50	/**
	51	* timer_start - called when the timer is started
	52	* @timer: pointer to struct timer_list
	53	* @expires: the timers expiry time
	54	* @flags: the timers expiry time
	55	*/
	56	LTTNG_TRACEPOINT_EVENT(timer_start,
	57
	58	TP_PROTO(struct timer_list *timer, unsigned long expires,
	59	unsigned int flags),
	60
	61	TP_ARGS(timer, expires, flags),
	62
	63	TP_FIELDS(
fa91fcac MD	64	ctf_integer_hex(void *, timer, timer)
fa91fcac MD	65	ctf_integer_hex(void *, function, timer->function)
32328e6c MD	66	ctf_integer(unsigned long, expires, expires)
	67	ctf_integer(unsigned long, now, jiffies)
	68	ctf_integer(unsigned int, flags, flags)
	69	)
	70	)
5f4c791e	71	#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
e54456f5 MD	72	/**
	73	* timer_start - called when the timer is started
	74	* @timer: pointer to struct timer_list
	75	* @expires: the timers expiry time
	76	*/
3bc29f0a	77	LTTNG_TRACEPOINT_EVENT(timer_start,
e54456f5 MD	78
	79	TP_PROTO(struct timer_list *timer, unsigned long expires),
	80
	81	TP_ARGS(timer, expires),
	82
f127e61e	83	TP_FIELDS(
fa91fcac MD	84	ctf_integer_hex(void *, timer, timer)
fa91fcac MD	85	ctf_integer_hex(void *, function, timer->function)
f127e61e MD	86	ctf_integer(unsigned long, expires, expires)
	87	ctf_integer(unsigned long, now, jiffies)
	88	)
e54456f5	89	)
5f4c791e	90	#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
e54456f5	91
05355f0b MJ	92	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0) \|\| \
05355f0b MJ	93	LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0))
d88e2fe5 MJ	94	/**
	95	* timer_expire_entry - called immediately before the timer callback
	96	* @timer: pointer to struct timer_list
	97	*
	98	* Allows to determine the timer latency.
	99	*/
	100	LTTNG_TRACEPOINT_EVENT(timer_expire_entry,
	101
	102	TP_PROTO(struct timer_list *timer, unsigned long baseclk),
	103
	104	TP_ARGS(timer, baseclk),
	105
	106	TP_FIELDS(
	107	ctf_integer_hex(void *, timer, timer)
	108	ctf_integer(unsigned long, now, jiffies)
	109	ctf_integer_hex(void *, function, timer->function)
	110	ctf_integer(unsigned long, baseclk, baseclk)
	111	)
	112	)
	113	#else
e54456f5 MD	114	/**
	115	* timer_expire_entry - called immediately before the timer callback
	116	* @timer: pointer to struct timer_list
	117	*
	118	* Allows to determine the timer latency.
	119	*/
3bc29f0a	120	LTTNG_TRACEPOINT_EVENT(timer_expire_entry,
e54456f5 MD	121
	122	TP_PROTO(struct timer_list *timer),
	123
	124	TP_ARGS(timer),
	125
f127e61e	126	TP_FIELDS(
fa91fcac	127	ctf_integer_hex(void *, timer, timer)
f127e61e	128	ctf_integer(unsigned long, now, jiffies)
fa91fcac	129	ctf_integer_hex(void *, function, timer->function)
f127e61e	130	)
e54456f5	131	)
d88e2fe5	132	#endif
e54456f5 MD	133
	134	/**
	135	* timer_expire_exit - called immediately after the timer callback returns
	136	* @timer: pointer to struct timer_list
	137	*
	138	* When used in combination with the timer_expire_entry tracepoint we can
	139	* determine the runtime of the timer callback function.
	140	*
	141	* NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
	142	* be invalid. We solely track the pointer.
	143	*/
3bc29f0a	144	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit,
e54456f5 MD	145
	146	TP_PROTO(struct timer_list *timer),
	147
	148	TP_ARGS(timer)
	149	)
	150
	151	/**
	152	* timer_cancel - called when the timer is canceled
	153	* @timer: pointer to struct timer_list
	154	*/
3bc29f0a	155	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel,
e54456f5 MD	156
	157	TP_PROTO(struct timer_list *timer),
	158
	159	TP_ARGS(timer)
	160	)
	161
	162	/**
	163	* hrtimer_init - called when the hrtimer is initialized
	164	* @timer: pointer to struct hrtimer
	165	* @clockid: the hrtimers clock
	166	* @mode: the hrtimers mode
	167	*/
9bbf98da MD	168	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init,
	169
	170	timer_hrtimer_init,
e54456f5 MD	171
	172	TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
	173	enum hrtimer_mode mode),
	174
	175	TP_ARGS(hrtimer, clockid, mode),
	176
f127e61e	177	TP_FIELDS(
fa91fcac	178	ctf_integer_hex(void *, hrtimer, hrtimer)
f127e61e MD	179	ctf_integer(clockid_t, clockid, clockid)
	180	ctf_integer(enum hrtimer_mode, mode, mode)
	181	)
e54456f5 MD	182	)
	183
	184	/**
	185	* hrtimer_start - called when the hrtimer is started
	186	* @timer: pointer to struct hrtimer
	187	*/
5f4c791e	188	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0) \|\| \
562860aa RV	189	LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0))
	190	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,
	191
	192	timer_hrtimer_start,
	193
	194	TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),
	195
	196	TP_ARGS(hrtimer, mode),
	197
	198	TP_FIELDS(
	199	ctf_integer_hex(void *, hrtimer, hrtimer)
	200	ctf_integer_hex(void *, function, hrtimer->function)
	201	ctf_integer(s64, expires,
	202	lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
	203	ctf_integer(s64, softexpires,
	204	lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
	205	ctf_integer(enum hrtimer_mode, mode, mode)
	206	)
	207	)
	208	#else
9bbf98da MD	209	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,
	210
	211	timer_hrtimer_start,
e54456f5 MD	212
	213	TP_PROTO(struct hrtimer *hrtimer),
	214
	215	TP_ARGS(hrtimer),
	216
f127e61e	217	TP_FIELDS(
fa91fcac MD	218	ctf_integer_hex(void *, hrtimer, hrtimer)
fa91fcac MD	219	ctf_integer_hex(void *, function, hrtimer->function)
507143bc MD	220	ctf_integer(s64, expires,
	221	lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
	222	ctf_integer(s64, softexpires,
	223	lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
f127e61e	224	)
e54456f5	225	)
562860aa	226	#endif
e54456f5 MD	227
	228	/**
	229	* htimmer_expire_entry - called immediately before the hrtimer callback
	230	* @timer: pointer to struct hrtimer
	231	* @now: pointer to variable which contains current time of the
	232	* timers base.
	233	*
	234	* Allows to determine the timer latency.
	235	*/
9bbf98da MD	236	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry,
	237
	238	timer_hrtimer_expire_entry,
e54456f5 MD	239
	240	TP_PROTO(struct hrtimer hrtimer, ktime_t now),
	241
	242	TP_ARGS(hrtimer, now),
	243
f127e61e	244	TP_FIELDS(
fa91fcac	245	ctf_integer_hex(void *, hrtimer, hrtimer)
507143bc	246	ctf_integer(s64, now, lttng_ktime_get_tv64(*now))
fa91fcac	247	ctf_integer_hex(void *, function, hrtimer->function)
f127e61e	248	)
e54456f5 MD	249	)
e54456f5 MD	250
9bbf98da	251	LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class,
e54456f5 MD	252
	253	TP_PROTO(struct hrtimer *hrtimer),
	254
	255	TP_ARGS(hrtimer),
	256
f127e61e	257	TP_FIELDS(
fa91fcac	258	ctf_integer_hex(void *, hrtimer, hrtimer)
f127e61e	259	)
e54456f5 MD	260	)
	261
	262	/**
	263	* hrtimer_expire_exit - called immediately after the hrtimer callback returns
	264	* @timer: pointer to struct hrtimer
	265	*
	266	* When used in combination with the hrtimer_expire_entry tracepoint we can
	267	* determine the runtime of the callback function.
	268	*/
9bbf98da MD	269	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit,
	270
	271	timer_hrtimer_expire_exit,
e54456f5 MD	272
	273	TP_PROTO(struct hrtimer *hrtimer),
	274
	275	TP_ARGS(hrtimer)
	276	)
	277
	278	/**
	279	* hrtimer_cancel - called when the hrtimer is canceled
	280	* @hrtimer: pointer to struct hrtimer
	281	*/
9bbf98da MD	282	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel,
	283
	284	timer_hrtimer_cancel,
e54456f5 MD	285
	286	TP_PROTO(struct hrtimer *hrtimer),
	287
	288	TP_ARGS(hrtimer)
	289	)
	290
	291	/**
	292	* itimer_state - called when itimer is started or canceled
	293	* @which: name of the interval timer
	294	* @value: the itimers value, itimer is canceled if value->it_value is
	295	* zero, otherwise it is started
	296	* @expires: the itimers expiry time
	297	*/
5f4c791e	298	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0))
7c1dd120 MJ	299	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	300
	301	timer_itimer_state,
	302
	303	TP_PROTO(int which, const struct itimerspec64 *const value,
	304	unsigned long long expires),
	305
	306	TP_ARGS(which, value, expires),
	307
	308	TP_FIELDS(
	309	ctf_integer(int, which, which)
	310	ctf_integer(unsigned long long, expires, expires)
	311	ctf_integer(long, value_sec, value->it_value.tv_sec)
	312	ctf_integer(long, value_nsec, value->it_value.tv_nsec)
	313	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	314	ctf_integer(long, interval_nsec, value->it_interval.tv_nsec)
	315	)
	316	)
5f4c791e	317	#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
678dd1c8 FD	318	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	319
	320	timer_itimer_state,
	321
	322	TP_PROTO(int which, const struct itimerval *const value,
	323	unsigned long long expires),
	324
	325	TP_ARGS(which, value, expires),
	326
	327	TP_FIELDS(
	328	ctf_integer(int, which, which)
	329	ctf_integer(unsigned long long, expires, expires)
	330	ctf_integer(long, value_sec, value->it_value.tv_sec)
	331	ctf_integer(long, value_usec, value->it_value.tv_usec)
	332	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	333	ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	334	)
	335	)
5f4c791e	336	#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
9bbf98da MD	337	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	338
	339	timer_itimer_state,
e54456f5 MD	340
	341	TP_PROTO(int which, const struct itimerval *const value,
	342	cputime_t expires),
	343
	344	TP_ARGS(which, value, expires),
	345
f127e61e MD	346	TP_FIELDS(
	347	ctf_integer(int, which, which)
	348	ctf_integer(cputime_t, expires, expires)
	349	ctf_integer(long, value_sec, value->it_value.tv_sec)
	350	ctf_integer(long, value_usec, value->it_value.tv_usec)
	351	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	352	ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	353	)
e54456f5	354	)
5f4c791e	355	#endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
e54456f5 MD	356
	357	/**
	358	* itimer_expire - called when itimer expires
	359	* @which: type of the interval timer
	360	* @pid: pid of the process which owns the timer
	361	* @now: current time, used to calculate the latency of itimer
	362	*/
5f4c791e	363	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
678dd1c8 FD	364	LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,
	365
	366	timer_itimer_expire,
	367
	368	TP_PROTO(int which, struct pid *pid, unsigned long long now),
	369
	370	TP_ARGS(which, pid, now),
	371
	372	TP_FIELDS(
	373	ctf_integer(int , which, which)
	374	ctf_integer(pid_t, pid, pid_nr(pid))
	375	ctf_integer(unsigned long long, now, now)
	376	)
	377	)
5f4c791e	378	#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
9bbf98da MD	379	LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,
	380
	381	timer_itimer_expire,
e54456f5 MD	382
	383	TP_PROTO(int which, struct pid *pid, cputime_t now),
	384
	385	TP_ARGS(which, pid, now),
	386
f127e61e MD	387	TP_FIELDS(
	388	ctf_integer(int , which, which)
	389	ctf_integer(pid_t, pid, pid_nr(pid))
	390	ctf_integer(cputime_t, now, now)
	391	)
e54456f5	392	)
5f4c791e	393	#endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
e54456f5	394
3bc29f0a	395	#endif /* LTTNG_TRACE_TIMER_H */
e54456f5 MD	396
e54456f5 MD	397	/* This part must be outside protection */
3b4aafcb	398	#include <lttng/define_trace.h>