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

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

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

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

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

struct timer_list;

#endif /* _TRACE_TIMER_DEF_ */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
#define lttng_ktime_get_tv64(kt)	(kt)
#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
#define lttng_ktime_get_tv64(kt)	((kt).tv64)
#endif /* #else #if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
/**
 * 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */

/**
 * 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),

	TP_ARGS(timer),

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

/**
 * 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */

#endif /*  LTTNG_TRACE_TIMER_H */

/* This part must be outside protection */
#include <probes/define_trace.h>
Commit	Line	Data
9f36eaed	1	/* SPDX-License-Identifier: GPL-2.0 */
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
6ec43db8	8	#include <probes/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>
32328e6c	14	#include <linux/version.h>
3a523f5b MD	15
	16	struct timer_list;
	17
e54456f5 MD	18	#endif /* _TRACE_TIMER_DEF_ */
e54456f5 MD	19
507143bc MD	20	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
	21	#define lttng_ktime_get_tv64(kt) (kt)
	22	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
	23	#define lttng_ktime_get_tv64(kt) ((kt).tv64)
	24	#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
	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
32328e6c MD	48	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
	49	/**
	50	* timer_start - called when the timer is started
	51	* @timer: pointer to struct timer_list
	52	* @expires: the timers expiry time
	53	* @flags: the timers expiry time
	54	*/
	55	LTTNG_TRACEPOINT_EVENT(timer_start,
	56
	57	TP_PROTO(struct timer_list *timer, unsigned long expires,
	58	unsigned int flags),
	59
	60	TP_ARGS(timer, expires, flags),
	61
	62	TP_FIELDS(
fa91fcac MD	63	ctf_integer_hex(void *, timer, timer)
fa91fcac MD	64	ctf_integer_hex(void *, function, timer->function)
32328e6c MD	65	ctf_integer(unsigned long, expires, expires)
	66	ctf_integer(unsigned long, now, jiffies)
	67	ctf_integer(unsigned int, flags, flags)
	68	)
	69	)
	70	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
e54456f5 MD	71	/**
	72	* timer_start - called when the timer is started
	73	* @timer: pointer to struct timer_list
	74	* @expires: the timers expiry time
	75	*/
3bc29f0a	76	LTTNG_TRACEPOINT_EVENT(timer_start,
e54456f5 MD	77
	78	TP_PROTO(struct timer_list *timer, unsigned long expires),
	79
	80	TP_ARGS(timer, expires),
	81
f127e61e	82	TP_FIELDS(
fa91fcac MD	83	ctf_integer_hex(void *, timer, timer)
fa91fcac MD	84	ctf_integer_hex(void *, function, timer->function)
f127e61e MD	85	ctf_integer(unsigned long, expires, expires)
	86	ctf_integer(unsigned long, now, jiffies)
	87	)
e54456f5	88	)
32328e6c	89	#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
e54456f5 MD	90
	91	/**
	92	* timer_expire_entry - called immediately before the timer callback
	93	* @timer: pointer to struct timer_list
	94	*
	95	* Allows to determine the timer latency.
	96	*/
3bc29f0a	97	LTTNG_TRACEPOINT_EVENT(timer_expire_entry,
e54456f5 MD	98
	99	TP_PROTO(struct timer_list *timer),
	100
	101	TP_ARGS(timer),
	102
f127e61e	103	TP_FIELDS(
fa91fcac	104	ctf_integer_hex(void *, timer, timer)
f127e61e	105	ctf_integer(unsigned long, now, jiffies)
fa91fcac	106	ctf_integer_hex(void *, function, timer->function)
f127e61e	107	)
e54456f5 MD	108	)
	109
	110	/**
	111	* timer_expire_exit - called immediately after the timer callback returns
	112	* @timer: pointer to struct timer_list
	113	*
	114	* When used in combination with the timer_expire_entry tracepoint we can
	115	* determine the runtime of the timer callback function.
	116	*
	117	* NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
	118	* be invalid. We solely track the pointer.
	119	*/
3bc29f0a	120	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit,
e54456f5 MD	121
	122	TP_PROTO(struct timer_list *timer),
	123
	124	TP_ARGS(timer)
	125	)
	126
	127	/**
	128	* timer_cancel - called when the timer is canceled
	129	* @timer: pointer to struct timer_list
	130	*/
3bc29f0a	131	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel,
e54456f5 MD	132
	133	TP_PROTO(struct timer_list *timer),
	134
	135	TP_ARGS(timer)
	136	)
	137
	138	/**
	139	* hrtimer_init - called when the hrtimer is initialized
	140	* @timer: pointer to struct hrtimer
	141	* @clockid: the hrtimers clock
	142	* @mode: the hrtimers mode
	143	*/
9bbf98da MD	144	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init,
	145
	146	timer_hrtimer_init,
e54456f5 MD	147
	148	TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
	149	enum hrtimer_mode mode),
	150
	151	TP_ARGS(hrtimer, clockid, mode),
	152
f127e61e	153	TP_FIELDS(
fa91fcac	154	ctf_integer_hex(void *, hrtimer, hrtimer)
f127e61e MD	155	ctf_integer(clockid_t, clockid, clockid)
	156	ctf_integer(enum hrtimer_mode, mode, mode)
	157	)
e54456f5 MD	158	)
	159
	160	/**
	161	* hrtimer_start - called when the hrtimer is started
	162	* @timer: pointer to struct hrtimer
	163	*/
562860aa RV	164	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,16,0) \|\| \
	165	LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0))
	166	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,
	167
	168	timer_hrtimer_start,
	169
	170	TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),
	171
	172	TP_ARGS(hrtimer, mode),
	173
	174	TP_FIELDS(
	175	ctf_integer_hex(void *, hrtimer, hrtimer)
	176	ctf_integer_hex(void *, function, hrtimer->function)
	177	ctf_integer(s64, expires,
	178	lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
	179	ctf_integer(s64, softexpires,
	180	lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
	181	ctf_integer(enum hrtimer_mode, mode, mode)
	182	)
	183	)
	184	#else
9bbf98da MD	185	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,
	186
	187	timer_hrtimer_start,
e54456f5 MD	188
	189	TP_PROTO(struct hrtimer *hrtimer),
	190
	191	TP_ARGS(hrtimer),
	192
f127e61e	193	TP_FIELDS(
fa91fcac MD	194	ctf_integer_hex(void *, hrtimer, hrtimer)
fa91fcac MD	195	ctf_integer_hex(void *, function, hrtimer->function)
507143bc MD	196	ctf_integer(s64, expires,
	197	lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
	198	ctf_integer(s64, softexpires,
	199	lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
f127e61e	200	)
e54456f5	201	)
562860aa	202	#endif
e54456f5 MD	203
	204	/**
	205	* htimmer_expire_entry - called immediately before the hrtimer callback
	206	* @timer: pointer to struct hrtimer
	207	* @now: pointer to variable which contains current time of the
	208	* timers base.
	209	*
	210	* Allows to determine the timer latency.
	211	*/
9bbf98da MD	212	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry,
	213
	214	timer_hrtimer_expire_entry,
e54456f5 MD	215
	216	TP_PROTO(struct hrtimer hrtimer, ktime_t now),
	217
	218	TP_ARGS(hrtimer, now),
	219
f127e61e	220	TP_FIELDS(
fa91fcac	221	ctf_integer_hex(void *, hrtimer, hrtimer)
507143bc	222	ctf_integer(s64, now, lttng_ktime_get_tv64(*now))
fa91fcac	223	ctf_integer_hex(void *, function, hrtimer->function)
f127e61e	224	)
e54456f5 MD	225	)
e54456f5 MD	226
9bbf98da	227	LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class,
e54456f5 MD	228
	229	TP_PROTO(struct hrtimer *hrtimer),
	230
	231	TP_ARGS(hrtimer),
	232
f127e61e	233	TP_FIELDS(
fa91fcac	234	ctf_integer_hex(void *, hrtimer, hrtimer)
f127e61e	235	)
e54456f5 MD	236	)
	237
	238	/**
	239	* hrtimer_expire_exit - called immediately after the hrtimer callback returns
	240	* @timer: pointer to struct hrtimer
	241	*
	242	* When used in combination with the hrtimer_expire_entry tracepoint we can
	243	* determine the runtime of the callback function.
	244	*/
9bbf98da MD	245	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit,
	246
	247	timer_hrtimer_expire_exit,
e54456f5 MD	248
	249	TP_PROTO(struct hrtimer *hrtimer),
	250
	251	TP_ARGS(hrtimer)
	252	)
	253
	254	/**
	255	* hrtimer_cancel - called when the hrtimer is canceled
	256	* @hrtimer: pointer to struct hrtimer
	257	*/
9bbf98da MD	258	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel,
	259
	260	timer_hrtimer_cancel,
e54456f5 MD	261
	262	TP_PROTO(struct hrtimer *hrtimer),
	263
	264	TP_ARGS(hrtimer)
	265	)
	266
	267	/**
	268	* itimer_state - called when itimer is started or canceled
	269	* @which: name of the interval timer
	270	* @value: the itimers value, itimer is canceled if value->it_value is
	271	* zero, otherwise it is started
	272	* @expires: the itimers expiry time
	273	*/
678dd1c8 FD	274	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
	275	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	276
	277	timer_itimer_state,
	278
	279	TP_PROTO(int which, const struct itimerval *const value,
	280	unsigned long long expires),
	281
	282	TP_ARGS(which, value, expires),
	283
	284	TP_FIELDS(
	285	ctf_integer(int, which, which)
	286	ctf_integer(unsigned long long, expires, expires)
	287	ctf_integer(long, value_sec, value->it_value.tv_sec)
	288	ctf_integer(long, value_usec, value->it_value.tv_usec)
	289	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	290	ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	291	)
	292	)
	293	#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
9bbf98da MD	294	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	295
	296	timer_itimer_state,
e54456f5 MD	297
	298	TP_PROTO(int which, const struct itimerval *const value,
	299	cputime_t expires),
	300
	301	TP_ARGS(which, value, expires),
	302
f127e61e MD	303	TP_FIELDS(
	304	ctf_integer(int, which, which)
	305	ctf_integer(cputime_t, expires, expires)
	306	ctf_integer(long, value_sec, value->it_value.tv_sec)
	307	ctf_integer(long, value_usec, value->it_value.tv_usec)
	308	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	309	ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	310	)
e54456f5	311	)
678dd1c8	312	#endif /* #else (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
e54456f5 MD	313
	314	/**
	315	* itimer_expire - called when itimer expires
	316	* @which: type of the interval timer
	317	* @pid: pid of the process which owns the timer
	318	* @now: current time, used to calculate the latency of itimer
	319	*/
678dd1c8 FD	320	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
	321	LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,
	322
	323	timer_itimer_expire,
	324
	325	TP_PROTO(int which, struct pid *pid, unsigned long long now),
	326
	327	TP_ARGS(which, pid, now),
	328
	329	TP_FIELDS(
	330	ctf_integer(int , which, which)
	331	ctf_integer(pid_t, pid, pid_nr(pid))
	332	ctf_integer(unsigned long long, now, now)
	333	)
	334	)
	335	#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
9bbf98da MD	336	LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,
	337
	338	timer_itimer_expire,
e54456f5 MD	339
	340	TP_PROTO(int which, struct pid *pid, cputime_t now),
	341
	342	TP_ARGS(which, pid, now),
	343
f127e61e MD	344	TP_FIELDS(
	345	ctf_integer(int , which, which)
	346	ctf_integer(pid_t, pid, pid_nr(pid))
	347	ctf_integer(cputime_t, now, now)
	348	)
e54456f5	349	)
678dd1c8	350	#endif /* #else (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
e54456f5	351
3bc29f0a	352	#endif /* LTTNG_TRACE_TIMER_H */
e54456f5 MD	353
e54456f5 MD	354	/* This part must be outside protection */
6ec43db8	355	#include <probes/define_trace.h>