[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 <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_KERNEL_RANGE(4,19,312, 4,20,0) || \
	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 <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>
2d042821	14	#include <lttng-kernel-version.h>
3a523f5b MD	15
	16	struct timer_list;
	17
e54456f5 MD	18	#endif /* _TRACE_TIMER_DEF_ */
e54456f5 MD	19
2d042821	20	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
507143bc	21	#define lttng_ktime_get_tv64(kt) (kt)
2d042821	22	#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
507143bc	23	#define lttng_ktime_get_tv64(kt) ((kt).tv64)
2d042821	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
2d042821	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	)
2d042821	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	)
2d042821	90	#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
e54456f5	91
78f56ae3	92	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0) \|\| \
a208676d	93	LTTNG_KERNEL_RANGE(4,19,312, 4,20,0) \|\| \
78f56ae3	94	LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0))
d88e2fe5 MJ	95	/**
	96	* timer_expire_entry - called immediately before the timer callback
	97	* @timer: pointer to struct timer_list
	98	*
	99	* Allows to determine the timer latency.
	100	*/
	101	LTTNG_TRACEPOINT_EVENT(timer_expire_entry,
	102
	103	TP_PROTO(struct timer_list *timer, unsigned long baseclk),
	104
	105	TP_ARGS(timer, baseclk),
	106
	107	TP_FIELDS(
	108	ctf_integer_hex(void *, timer, timer)
	109	ctf_integer(unsigned long, now, jiffies)
	110	ctf_integer_hex(void *, function, timer->function)
	111	ctf_integer(unsigned long, baseclk, baseclk)
	112	)
	113	)
	114	#else
e54456f5 MD	115	/**
	116	* timer_expire_entry - called immediately before the timer callback
	117	* @timer: pointer to struct timer_list
	118	*
	119	* Allows to determine the timer latency.
	120	*/
3bc29f0a	121	LTTNG_TRACEPOINT_EVENT(timer_expire_entry,
e54456f5 MD	122
	123	TP_PROTO(struct timer_list *timer),
	124
	125	TP_ARGS(timer),
	126
f127e61e	127	TP_FIELDS(
fa91fcac	128	ctf_integer_hex(void *, timer, timer)
f127e61e	129	ctf_integer(unsigned long, now, jiffies)
fa91fcac	130	ctf_integer_hex(void *, function, timer->function)
f127e61e	131	)
e54456f5	132	)
d88e2fe5	133	#endif
e54456f5 MD	134
	135	/**
	136	* timer_expire_exit - called immediately after the timer callback returns
	137	* @timer: pointer to struct timer_list
	138	*
	139	* When used in combination with the timer_expire_entry tracepoint we can
	140	* determine the runtime of the timer callback function.
	141	*
	142	* NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
	143	* be invalid. We solely track the pointer.
	144	*/
3bc29f0a	145	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit,
e54456f5 MD	146
	147	TP_PROTO(struct timer_list *timer),
	148
	149	TP_ARGS(timer)
	150	)
	151
	152	/**
	153	* timer_cancel - called when the timer is canceled
	154	* @timer: pointer to struct timer_list
	155	*/
3bc29f0a	156	LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel,
e54456f5 MD	157
	158	TP_PROTO(struct timer_list *timer),
	159
	160	TP_ARGS(timer)
	161	)
	162
	163	/**
	164	* hrtimer_init - called when the hrtimer is initialized
	165	* @timer: pointer to struct hrtimer
	166	* @clockid: the hrtimers clock
	167	* @mode: the hrtimers mode
	168	*/
9bbf98da MD	169	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init,
	170
	171	timer_hrtimer_init,
e54456f5 MD	172
	173	TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
	174	enum hrtimer_mode mode),
	175
	176	TP_ARGS(hrtimer, clockid, mode),
	177
f127e61e	178	TP_FIELDS(
fa91fcac	179	ctf_integer_hex(void *, hrtimer, hrtimer)
f127e61e MD	180	ctf_integer(clockid_t, clockid, clockid)
	181	ctf_integer(enum hrtimer_mode, mode, mode)
	182	)
e54456f5 MD	183	)
	184
	185	/**
	186	* hrtimer_start - called when the hrtimer is started
	187	* @timer: pointer to struct hrtimer
	188	*/
2d042821	189	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0) \|\| \
562860aa RV	190	LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0))
	191	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,
	192
	193	timer_hrtimer_start,
	194
	195	TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),
	196
	197	TP_ARGS(hrtimer, mode),
	198
	199	TP_FIELDS(
	200	ctf_integer_hex(void *, hrtimer, hrtimer)
	201	ctf_integer_hex(void *, function, hrtimer->function)
	202	ctf_integer(s64, expires,
	203	lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
	204	ctf_integer(s64, softexpires,
	205	lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
	206	ctf_integer(enum hrtimer_mode, mode, mode)
	207	)
	208	)
	209	#else
9bbf98da MD	210	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start,
	211
	212	timer_hrtimer_start,
e54456f5 MD	213
	214	TP_PROTO(struct hrtimer *hrtimer),
	215
	216	TP_ARGS(hrtimer),
	217
f127e61e	218	TP_FIELDS(
fa91fcac MD	219	ctf_integer_hex(void *, hrtimer, hrtimer)
fa91fcac MD	220	ctf_integer_hex(void *, function, hrtimer->function)
507143bc MD	221	ctf_integer(s64, expires,
	222	lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer)))
	223	ctf_integer(s64, softexpires,
	224	lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer)))
f127e61e	225	)
e54456f5	226	)
562860aa	227	#endif
e54456f5 MD	228
	229	/**
	230	* htimmer_expire_entry - called immediately before the hrtimer callback
	231	* @timer: pointer to struct hrtimer
	232	* @now: pointer to variable which contains current time of the
	233	* timers base.
	234	*
	235	* Allows to determine the timer latency.
	236	*/
9bbf98da MD	237	LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry,
	238
	239	timer_hrtimer_expire_entry,
e54456f5 MD	240
	241	TP_PROTO(struct hrtimer hrtimer, ktime_t now),
	242
	243	TP_ARGS(hrtimer, now),
	244
f127e61e	245	TP_FIELDS(
fa91fcac	246	ctf_integer_hex(void *, hrtimer, hrtimer)
507143bc	247	ctf_integer(s64, now, lttng_ktime_get_tv64(*now))
fa91fcac	248	ctf_integer_hex(void *, function, hrtimer->function)
f127e61e	249	)
e54456f5 MD	250	)
e54456f5 MD	251
9bbf98da	252	LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class,
e54456f5 MD	253
	254	TP_PROTO(struct hrtimer *hrtimer),
	255
	256	TP_ARGS(hrtimer),
	257
f127e61e	258	TP_FIELDS(
fa91fcac	259	ctf_integer_hex(void *, hrtimer, hrtimer)
f127e61e	260	)
e54456f5 MD	261	)
	262
	263	/**
	264	* hrtimer_expire_exit - called immediately after the hrtimer callback returns
	265	* @timer: pointer to struct hrtimer
	266	*
	267	* When used in combination with the hrtimer_expire_entry tracepoint we can
	268	* determine the runtime of the callback function.
	269	*/
9bbf98da MD	270	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit,
	271
	272	timer_hrtimer_expire_exit,
e54456f5 MD	273
	274	TP_PROTO(struct hrtimer *hrtimer),
	275
	276	TP_ARGS(hrtimer)
	277	)
	278
	279	/**
	280	* hrtimer_cancel - called when the hrtimer is canceled
	281	* @hrtimer: pointer to struct hrtimer
	282	*/
9bbf98da MD	283	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel,
	284
	285	timer_hrtimer_cancel,
e54456f5 MD	286
	287	TP_PROTO(struct hrtimer *hrtimer),
	288
	289	TP_ARGS(hrtimer)
	290	)
	291
	292	/**
	293	* itimer_state - called when itimer is started or canceled
	294	* @which: name of the interval timer
	295	* @value: the itimers value, itimer is canceled if value->it_value is
	296	* zero, otherwise it is started
	297	* @expires: the itimers expiry time
	298	*/
2d042821	299	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0))
7c1dd120 MJ	300	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	301
	302	timer_itimer_state,
	303
	304	TP_PROTO(int which, const struct itimerspec64 *const value,
	305	unsigned long long expires),
	306
	307	TP_ARGS(which, value, expires),
	308
	309	TP_FIELDS(
	310	ctf_integer(int, which, which)
	311	ctf_integer(unsigned long long, expires, expires)
	312	ctf_integer(long, value_sec, value->it_value.tv_sec)
	313	ctf_integer(long, value_nsec, value->it_value.tv_nsec)
	314	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	315	ctf_integer(long, interval_nsec, value->it_interval.tv_nsec)
	316	)
	317	)
2d042821	318	#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
678dd1c8 FD	319	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	320
	321	timer_itimer_state,
	322
	323	TP_PROTO(int which, const struct itimerval *const value,
	324	unsigned long long expires),
	325
	326	TP_ARGS(which, value, expires),
	327
	328	TP_FIELDS(
	329	ctf_integer(int, which, which)
	330	ctf_integer(unsigned long long, expires, expires)
	331	ctf_integer(long, value_sec, value->it_value.tv_sec)
	332	ctf_integer(long, value_usec, value->it_value.tv_usec)
	333	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	334	ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	335	)
	336	)
2d042821	337	#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
9bbf98da MD	338	LTTNG_TRACEPOINT_EVENT_MAP(itimer_state,
	339
	340	timer_itimer_state,
e54456f5 MD	341
	342	TP_PROTO(int which, const struct itimerval *const value,
	343	cputime_t expires),
	344
	345	TP_ARGS(which, value, expires),
	346
f127e61e MD	347	TP_FIELDS(
	348	ctf_integer(int, which, which)
	349	ctf_integer(cputime_t, expires, expires)
	350	ctf_integer(long, value_sec, value->it_value.tv_sec)
	351	ctf_integer(long, value_usec, value->it_value.tv_usec)
	352	ctf_integer(long, interval_sec, value->it_interval.tv_sec)
	353	ctf_integer(long, interval_usec, value->it_interval.tv_usec)
	354	)
e54456f5	355	)
2d042821	356	#endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
e54456f5 MD	357
	358	/**
	359	* itimer_expire - called when itimer expires
	360	* @which: type of the interval timer
	361	* @pid: pid of the process which owns the timer
	362	* @now: current time, used to calculate the latency of itimer
	363	*/
2d042821	364	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
678dd1c8 FD	365	LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,
	366
	367	timer_itimer_expire,
	368
	369	TP_PROTO(int which, struct pid *pid, unsigned long long now),
	370
	371	TP_ARGS(which, pid, now),
	372
	373	TP_FIELDS(
	374	ctf_integer(int , which, which)
	375	ctf_integer(pid_t, pid, pid_nr(pid))
	376	ctf_integer(unsigned long long, now, now)
	377	)
	378	)
2d042821	379	#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
9bbf98da MD	380	LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire,
	381
	382	timer_itimer_expire,
e54456f5 MD	383
	384	TP_PROTO(int which, struct pid *pid, cputime_t now),
	385
	386	TP_ARGS(which, pid, now),
	387
f127e61e MD	388	TP_FIELDS(
	389	ctf_integer(int , which, which)
	390	ctf_integer(pid_t, pid, pid_nr(pid))
	391	ctf_integer(cputime_t, now, now)
	392	)
e54456f5	393	)
2d042821	394	#endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
e54456f5	395
3bc29f0a	396	#endif /* LTTNG_TRACE_TIMER_H */
e54456f5 MD	397
e54456f5 MD	398	/* This part must be outside protection */
6ec43db8	399	#include <probes/define_trace.h>