+++ /dev/null
-/* 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 <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) || \
- 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 (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)) */
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0))
-/**
- * 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, 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 (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(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 (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 <lttng/define_trace.h>
projects / lttng-modules.git / blobdiff