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

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

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

#include <probes/lttng-tracepoint-event.h>
#include <linux/sched.h>
#include <linux/pid_namespace.h>
#include <linux/binfmts.h>
#include <linux/version.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
#include <linux/sched/rt.h>
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
#define lttng_proc_inum ns.inum
#else
#define lttng_proc_inum proc_inum
#endif

#define LTTNG_MAX_PID_NS_LEVEL 32

#ifndef _TRACE_SCHED_DEF_
#define _TRACE_SCHED_DEF_

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))

static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
{
#ifdef CONFIG_SCHED_DEBUG
	BUG_ON(p != current);
#endif /* CONFIG_SCHED_DEBUG */
	/*
	 * Preemption ignores task state, therefore preempted tasks are always RUNNING
	 * (we will not have dequeued if state != RUNNING).
	 */
	return preempt ? TASK_RUNNING | TASK_STATE_MAX : p->state;
}

#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))

static inline long __trace_sched_switch_state(struct task_struct *p)
{
	long state = p->state;

#ifdef CONFIG_PREEMPT
#ifdef CONFIG_SCHED_DEBUG
	BUG_ON(p != current);
#endif /* CONFIG_SCHED_DEBUG */
	/*
	 * For all intents and purposes a preempted task is a running task.
	 */
	if (preempt_count() & PREEMPT_ACTIVE)
		state = TASK_RUNNING | TASK_STATE_MAX;
#endif	/* CONFIG_PREEMPT */

	return state;
}

#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))

static inline long __trace_sched_switch_state(struct task_struct *p)
{
	long state = p->state;

#ifdef CONFIG_PREEMPT
	/*
	 * For all intents and purposes a preempted task is a running task.
	 */
	if (task_preempt_count(p) & PREEMPT_ACTIVE)
		state = TASK_RUNNING | TASK_STATE_MAX;
#endif

	return state;
}

#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))

static inline long __trace_sched_switch_state(struct task_struct *p)
{
	long state = p->state;

#ifdef CONFIG_PREEMPT
	/*
	 * For all intents and purposes a preempted task is a running task.
	 */
	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
		state = TASK_RUNNING | TASK_STATE_MAX;
#endif

	return state;
}

#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))

static inline long __trace_sched_switch_state(struct task_struct *p)
{
	long state = p->state;

#ifdef CONFIG_PREEMPT
	/*
	 * For all intents and purposes a preempted task is a running task.
	 */
	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
		state = TASK_RUNNING;
#endif

	return state;
}

#endif

#endif /* _TRACE_SCHED_DEF_ */

/*
 * Tracepoint for calling kthread_stop, performed to end a kthread:
 */
LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

	TP_FIELDS(
		ctf_array_text(char, comm, t->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, t->pid)
	)
)

/*
 * Tracepoint for the return value of the kthread stopping:
 */
LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,

	TP_PROTO(int ret),

	TP_ARGS(ret),

	TP_FIELDS(
		ctf_integer(int, ret, ret)
	)
)

/*
 * Tracepoint for waking up a task:
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,

	TP_PROTO(struct task_struct *p),

	TP_ARGS(p),

	TP_FIELDS(
		ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
		ctf_integer(int, target_cpu, task_cpu(p))
	)
)
#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
	TP_PROTO(struct task_struct *p, int success),

	TP_ARGS(p, success),
#else
	TP_PROTO(struct rq *rq, struct task_struct *p, int success),

	TP_ARGS(rq, p, success),
#endif

	TP_FIELDS(
		ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
		ctf_integer(int, success, success)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
		ctf_integer(int, target_cpu, task_cpu(p))
#endif
	)
)
#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))

/*
 * Tracepoint called when waking a task; this tracepoint is guaranteed to be
 * called from the waking context.
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking,
	     TP_PROTO(struct task_struct *p),
	     TP_ARGS(p))

/*
 * Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
 * It it not always called from the waking context.
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
	     TP_PROTO(struct task_struct *p),
	     TP_ARGS(p))

/*
 * Tracepoint for waking up a new task:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
	     TP_PROTO(struct task_struct *p),
	     TP_ARGS(p))

#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))

LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
	     TP_PROTO(struct task_struct *p, int success),
	     TP_ARGS(p, success))

/*
 * Tracepoint for waking up a new task:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
	     TP_PROTO(struct task_struct *p, int success),
	     TP_ARGS(p, success))

#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */

LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
	     TP_PROTO(struct rq *rq, struct task_struct *p, int success),
	     TP_ARGS(rq, p, success))

/*
 * Tracepoint for waking up a new task:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
	     TP_PROTO(struct rq *rq, struct task_struct *p, int success),
	     TP_ARGS(rq, p, success))

#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */

/*
 * Tracepoint for task switches, performed by the scheduler:
 */
LTTNG_TRACEPOINT_EVENT(sched_switch,

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
	TP_PROTO(bool preempt,
		 struct task_struct *prev,
		 struct task_struct *next),

	TP_ARGS(preempt, prev, next),
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
	TP_PROTO(struct task_struct *prev,
		 struct task_struct *next),

	TP_ARGS(prev, next),
#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	TP_PROTO(struct rq *rq, struct task_struct *prev,
		 struct task_struct *next),

	TP_ARGS(rq, prev, next),
#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */

	TP_FIELDS(
		ctf_array_text(char, prev_comm,	prev->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, prev_tid, prev->pid)
		ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
		ctf_integer(long, prev_state, __trace_sched_switch_state(preempt, prev))
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
		ctf_integer(long, prev_state, __trace_sched_switch_state(prev))
#else
		ctf_integer(long, prev_state, prev->state)
#endif
		ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, next_tid, next->pid)
		ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO)
	)
)

/*
 * Tracepoint for a task being migrated:
 */
LTTNG_TRACEPOINT_EVENT(sched_migrate_task,

	TP_PROTO(struct task_struct *p, int dest_cpu),

	TP_ARGS(p, dest_cpu),

	TP_FIELDS(
		ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
		ctf_integer(int, orig_cpu, task_cpu(p))
		ctf_integer(int, dest_cpu, dest_cpu)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,

	TP_PROTO(struct task_struct *p),

	TP_ARGS(p),

	TP_FIELDS(
		ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
	)
)

/*
 * Tracepoint for freeing a task:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
	     TP_PROTO(struct task_struct *p),
	     TP_ARGS(p))


/*
 * Tracepoint for a task exiting:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
	     TP_PROTO(struct task_struct *p),
	     TP_ARGS(p))

/*
 * Tracepoint for waiting on task to unschedule:
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
	TP_PROTO(struct task_struct *p),
	TP_ARGS(p))
#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
	TP_PROTO(struct rq *rq, struct task_struct *p),
	TP_ARGS(rq, p))
#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */

/*
 * Tracepoint for a waiting task:
 */
LTTNG_TRACEPOINT_EVENT(sched_process_wait,

	TP_PROTO(struct pid *pid),

	TP_ARGS(pid),

	TP_FIELDS(
		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, pid_nr(pid))
		ctf_integer(int, prio, current->prio - MAX_RT_PRIO)
	)
)

/*
 * Tracepoint for do_fork.
 * Saving both TID and PID information, especially for the child, allows
 * trace analyzers to distinguish between creation of a new process and
 * creation of a new thread. Newly created processes will have child_tid
 * == child_pid, while creation of a thread yields to child_tid !=
 * child_pid.
 */
LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork,

	TP_PROTO(struct task_struct *parent, struct task_struct *child),

	TP_ARGS(parent, child),

	TP_locvar(
		pid_t vtids[LTTNG_MAX_PID_NS_LEVEL];
		unsigned int ns_level;
	),

	TP_code_pre(
		if (child) {
			struct pid *child_pid;
			unsigned int i;

			child_pid = task_pid(child);
			tp_locvar->ns_level =
				min_t(unsigned int, child_pid->level + 1,
					LTTNG_MAX_PID_NS_LEVEL);
			for (i = 0; i < tp_locvar->ns_level; i++)
				tp_locvar->vtids[i] = child_pid->numbers[i].nr;
		}
	),

	TP_FIELDS(
		ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, parent_tid, parent->pid)
		ctf_integer(pid_t, parent_pid, parent->tgid)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, parent_ns_inum,
			({
				unsigned int parent_ns_inum = 0;

				if (parent) {
					struct pid_namespace *pid_ns;

					pid_ns = task_active_pid_ns(parent);
					if (pid_ns)
						parent_ns_inum =
							pid_ns->lttng_proc_inum;
				}
				parent_ns_inum;
			}))
#endif
		ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, child_tid, child->pid)
		ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level)
		ctf_integer(pid_t, child_pid, child->tgid)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, child_ns_inum,
			({
				unsigned int child_ns_inum = 0;

				if (child) {
					struct pid_namespace *pid_ns;

					pid_ns = task_active_pid_ns(child);
					if (pid_ns)
						child_ns_inum =
							pid_ns->lttng_proc_inum;
				}
				child_ns_inum;
			}))
#endif
	),

	TP_code_post()
)

#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
/*
 * Tracepoint for sending a signal:
 */
LTTNG_TRACEPOINT_EVENT(sched_signal_send,

	TP_PROTO(int sig, struct task_struct *p),

	TP_ARGS(sig, p),

	TP_FIELDS(
		ctf_integer(int, sig, sig)
		ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, p->pid)
	)
)
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
/*
 * Tracepoint for exec:
 */
LTTNG_TRACEPOINT_EVENT(sched_process_exec,

	TP_PROTO(struct task_struct *p, pid_t old_pid,
		 struct linux_binprm *bprm),

	TP_ARGS(p, old_pid, bprm),

	TP_FIELDS(
		ctf_string(filename, bprm->filename)
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(pid_t, old_tid, old_pid)
	)
)
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
/*
 * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 */
LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,

	TP_PROTO(struct task_struct *tsk, u64 delay),

	TP_ARGS(tsk, delay),

	TP_FIELDS(
		ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, tsk->pid)
		ctf_integer(u64, delay, delay)
	)
)


/*
 * Tracepoint for accounting wait time (time the task is runnable
 * but not actually running due to scheduler contention).
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
	     TP_PROTO(struct task_struct *tsk, u64 delay),
	     TP_ARGS(tsk, delay))

/*
 * Tracepoint for accounting sleep time (time the task is not runnable,
 * including iowait, see below).
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
	     TP_PROTO(struct task_struct *tsk, u64 delay),
	     TP_ARGS(tsk, delay))

/*
 * Tracepoint for accounting iowait time (time the task is not runnable
 * due to waiting on IO to complete).
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
	     TP_PROTO(struct task_struct *tsk, u64 delay),
	     TP_ARGS(tsk, delay))

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
/*
 * Tracepoint for accounting blocked time (time the task is in uninterruptible).
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
	     TP_PROTO(struct task_struct *tsk, u64 delay),
	     TP_ARGS(tsk, delay))
#endif

/*
 * Tracepoint for accounting runtime (time the task is executing
 * on a CPU).
 */
LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,

	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),

	TP_ARGS(tsk, runtime, vruntime),

	TP_FIELDS(
		ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, tsk->pid)
		ctf_integer(u64, runtime, runtime)
		ctf_integer(u64, vruntime, vruntime)
	)
)
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) || \
	LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) || \
	LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0))
/*
 * Tracepoint for showing priority inheritance modifying a tasks
 * priority.
 */
LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,

	TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),

	TP_ARGS(tsk, pi_task),

	TP_FIELDS(
		ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, tsk->pid)
		ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
		ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO)
	)
)
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/*
 * Tracepoint for showing priority inheritance modifying a tasks
 * priority.
 */
LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,

	TP_PROTO(struct task_struct *tsk, int newprio),

	TP_ARGS(tsk, newprio),

	TP_FIELDS(
		ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, tid, tsk->pid)
		ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
		ctf_integer(int, newprio, newprio - MAX_RT_PRIO)
	)
)
#endif

#endif /* LTTNG_TRACE_SCHED_H */

/* This part must be outside protection */
#include <probes/define_trace.h>
Commit	Line	Data
9f36eaed	1	/* SPDX-License-Identifier: GPL-2.0 */
f62b389e MD	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM sched
	4
3bc29f0a MD	5	#if !defined(LTTNG_TRACE_SCHED_H) \|\| defined(TRACE_HEADER_MULTI_READ)
3bc29f0a MD	6	#define LTTNG_TRACE_SCHED_H
f62b389e	7
6ec43db8	8	#include <probes/lttng-tracepoint-event.h>
f62b389e	9	#include <linux/sched.h>
7bbf55ea	10	#include <linux/pid_namespace.h>
7c68b363 AG	11	#include <linux/binfmts.h>
7c68b363 AG	12	#include <linux/version.h>
090db00e MJ	13	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
	14	#include <linux/sched/rt.h>
	15	#endif
f62b389e	16
7bbf55ea SL	17	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
	18	#define lttng_proc_inum ns.inum
	19	#else
	20	#define lttng_proc_inum proc_inum
	21	#endif
	22
	23	#define LTTNG_MAX_PID_NS_LEVEL 32
	24
f62b389e MD	25	#ifndef _TRACE_SCHED_DEF_
	26	#define _TRACE_SCHED_DEF_
	27
3ee729fe MD	28	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
	29
	30	static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
	31	{
	32	#ifdef CONFIG_SCHED_DEBUG
	33	BUG_ON(p != current);
	34	#endif /* CONFIG_SCHED_DEBUG */
	35	/*
	36	* Preemption ignores task state, therefore preempted tasks are always RUNNING
	37	* (we will not have dequeued if state != RUNNING).
	38	*/
	39	return preempt ? TASK_RUNNING \| TASK_STATE_MAX : p->state;
	40	}
	41
	42	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
857b6f4f MD	43
	44	static inline long __trace_sched_switch_state(struct task_struct *p)
	45	{
	46	long state = p->state;
	47
	48	#ifdef CONFIG_PREEMPT
	49	#ifdef CONFIG_SCHED_DEBUG
	50	BUG_ON(p != current);
	51	#endif /* CONFIG_SCHED_DEBUG */
	52	/*
	53	* For all intents and purposes a preempted task is a running task.
	54	*/
	55	if (preempt_count() & PREEMPT_ACTIVE)
	56	state = TASK_RUNNING \| TASK_STATE_MAX;
	57	#endif /* CONFIG_PREEMPT */
	58
	59	return state;
	60	}
	61
	62	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
33673ee7 MD	63
	64	static inline long __trace_sched_switch_state(struct task_struct *p)
	65	{
	66	long state = p->state;
	67
	68	#ifdef CONFIG_PREEMPT
	69	/*
	70	* For all intents and purposes a preempted task is a running task.
	71	*/
	72	if (task_preempt_count(p) & PREEMPT_ACTIVE)
	73	state = TASK_RUNNING \| TASK_STATE_MAX;
	74	#endif
	75
	76	return state;
	77	}
	78
	79	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
7c68b363	80
f62b389e MD	81	static inline long __trace_sched_switch_state(struct task_struct *p)
	82	{
	83	long state = p->state;
	84
	85	#ifdef CONFIG_PREEMPT
	86	/*
	87	* For all intents and purposes a preempted task is a running task.
	88	*/
	89	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
7c68b363	90	state = TASK_RUNNING \| TASK_STATE_MAX;
7c68b363	91	#endif
33673ee7 MD	92
	93	return state;
	94	}
	95
	96	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
	97
	98	static inline long __trace_sched_switch_state(struct task_struct *p)
	99	{
	100	long state = p->state;
	101
	102	#ifdef CONFIG_PREEMPT
	103	/*
	104	* For all intents and purposes a preempted task is a running task.
	105	*/
	106	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
	107	state = TASK_RUNNING;
f62b389e MD	108	#endif
	109
	110	return state;
	111	}
	112
7c68b363 AG	113	#endif
7c68b363 AG	114
f62b389e MD	115	#endif /* _TRACE_SCHED_DEF_ */
	116
	117	/*
	118	* Tracepoint for calling kthread_stop, performed to end a kthread:
	119	*/
3bc29f0a	120	LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,
f62b389e MD	121
	122	TP_PROTO(struct task_struct *t),
	123
	124	TP_ARGS(t),
	125
f127e61e MD	126	TP_FIELDS(
	127	ctf_array_text(char, comm, t->comm, TASK_COMM_LEN)
	128	ctf_integer(pid_t, tid, t->pid)
	129	)
f62b389e MD	130	)
	131
	132	/*
	133	* Tracepoint for the return value of the kthread stopping:
	134	*/
3bc29f0a	135	LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
f62b389e MD	136
	137	TP_PROTO(int ret),
	138
	139	TP_ARGS(ret),
	140
f127e61e MD	141	TP_FIELDS(
	142	ctf_integer(int, ret, ret)
	143	)
f62b389e MD	144	)
	145
	146	/*
	147	* Tracepoint for waking up a task:
	148	*/
b6c74835	149	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) \|\| \
95ff37b6 MJ	150	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) \|\| \
	151	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) \|\| \
	152	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) \|\| \
	153	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) \|\| \
	154	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) \|\| \
	155	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) \|\| \
	156	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
ffcf2393 MD	157	LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
	158
	159	TP_PROTO(struct task_struct *p),
	160
	161	TP_ARGS(p),
	162
	163	TP_FIELDS(
	164	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	165	ctf_integer(pid_t, tid, p->pid)
5aa835c0	166	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
ffcf2393 MD	167	ctf_integer(int, target_cpu, task_cpu(p))
	168	)
	169	)
	170	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
3bc29f0a	171	LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
f62b389e	172
3a523f5b	173	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	174	TP_PROTO(struct task_struct *p, int success),
	175
	176	TP_ARGS(p, success),
3a523f5b MD	177	#else
	178	TP_PROTO(struct rq rq, struct task_struct p, int success),
	179
	180	TP_ARGS(rq, p, success),
	181	#endif
f62b389e	182
f127e61e MD	183	TP_FIELDS(
	184	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	185	ctf_integer(pid_t, tid, p->pid)
5aa835c0	186	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
f127e61e	187	ctf_integer(int, success, success)
7c68b363	188	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f127e61e	189	ctf_integer(int, target_cpu, task_cpu(p))
7c68b363	190	#endif
7c68b363	191	)
f62b389e	192	)
ffcf2393	193	#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
f62b389e	194
b6c74835	195	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) \|\| \
95ff37b6 MJ	196	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) \|\| \
	197	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) \|\| \
	198	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) \|\| \
	199	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) \|\| \
	200	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) \|\| \
	201	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) \|\| \
	202	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
ffcf2393 MD	203
	204	/*
	205	* Tracepoint called when waking a task; this tracepoint is guaranteed to be
	206	* called from the waking context.
	207	*/
	208	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking,
	209	TP_PROTO(struct task_struct *p),
	210	TP_ARGS(p))
	211
	212	/*
	213	* Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
	214	* It it not always called from the waking context.
	215	*/
	216	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
	217	TP_PROTO(struct task_struct *p),
	218	TP_ARGS(p))
	219
	220	/*
	221	* Tracepoint for waking up a new task:
	222	*/
	223	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
	224	TP_PROTO(struct task_struct *p),
	225	TP_ARGS(p))
	226
	227	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3a523f5b	228
3bc29f0a	229	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
f62b389e MD	230	TP_PROTO(struct task_struct *p, int success),
	231	TP_ARGS(p, success))
	232
	233	/*
	234	* Tracepoint for waking up a new task:
	235	*/
3bc29f0a	236	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
f62b389e MD	237	TP_PROTO(struct task_struct *p, int success),
	238	TP_ARGS(p, success))
	239
3a523f5b MD	240	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
3a523f5b MD	241
3bc29f0a	242	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
3a523f5b MD	243	TP_PROTO(struct rq rq, struct task_struct p, int success),
	244	TP_ARGS(rq, p, success))
	245
	246	/*
	247	* Tracepoint for waking up a new task:
	248	*/
3bc29f0a	249	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
3a523f5b MD	250	TP_PROTO(struct rq rq, struct task_struct p, int success),
	251	TP_ARGS(rq, p, success))
	252
	253	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	254
f62b389e MD	255	/*
	256	* Tracepoint for task switches, performed by the scheduler:
	257	*/
3bc29f0a	258	LTTNG_TRACEPOINT_EVENT(sched_switch,
f62b389e	259
3ee729fe MD	260	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
	261	TP_PROTO(bool preempt,
	262	struct task_struct *prev,
	263	struct task_struct *next),
	264
	265	TP_ARGS(preempt, prev, next),
	266	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	267	TP_PROTO(struct task_struct *prev,
	268	struct task_struct *next),
	269
	270	TP_ARGS(prev, next),
3a523f5b MD	271	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	272	TP_PROTO(struct rq rq, struct task_struct prev,
	273	struct task_struct *next),
	274
	275	TP_ARGS(rq, prev, next),
	276	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e	277
f127e61e MD	278	TP_FIELDS(
	279	ctf_array_text(char, prev_comm, prev->comm, TASK_COMM_LEN)
	280	ctf_integer(pid_t, prev_tid, prev->pid)
	281	ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO)
3ee729fe MD	282	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
	283	ctf_integer(long, prev_state, __trace_sched_switch_state(preempt, prev))
	284	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f127e61e	285	ctf_integer(long, prev_state, __trace_sched_switch_state(prev))
7c68b363	286	#else
f127e61e	287	ctf_integer(long, prev_state, prev->state)
7c68b363	288	#endif
f127e61e MD	289	ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN)
	290	ctf_integer(pid_t, next_tid, next->pid)
	291	ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO)
	292	)
f62b389e MD	293	)
	294
	295	/*
	296	* Tracepoint for a task being migrated:
	297	*/
3bc29f0a	298	LTTNG_TRACEPOINT_EVENT(sched_migrate_task,
f62b389e MD	299
	300	TP_PROTO(struct task_struct *p, int dest_cpu),
	301
	302	TP_ARGS(p, dest_cpu),
	303
f127e61e MD	304	TP_FIELDS(
	305	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	306	ctf_integer(pid_t, tid, p->pid)
	307	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
	308	ctf_integer(int, orig_cpu, task_cpu(p))
	309	ctf_integer(int, dest_cpu, dest_cpu)
	310	)
f62b389e MD	311	)
f62b389e MD	312
3bc29f0a	313	LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
f62b389e MD	314
	315	TP_PROTO(struct task_struct *p),
	316
	317	TP_ARGS(p),
	318
f127e61e MD	319	TP_FIELDS(
	320	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	321	ctf_integer(pid_t, tid, p->pid)
	322	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
	323	)
f62b389e MD	324	)
	325
	326	/*
	327	* Tracepoint for freeing a task:
	328	*/
3bc29f0a	329	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
f62b389e MD	330	TP_PROTO(struct task_struct *p),
f62b389e MD	331	TP_ARGS(p))
216b6baa	332
f62b389e MD	333
	334	/*
	335	* Tracepoint for a task exiting:
	336	*/
3bc29f0a	337	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
f62b389e MD	338	TP_PROTO(struct task_struct *p),
	339	TP_ARGS(p))
	340
	341	/*
	342	* Tracepoint for waiting on task to unschedule:
	343	*/
3a523f5b	344	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3bc29f0a	345	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
f62b389e MD	346	TP_PROTO(struct task_struct *p),
f62b389e MD	347	TP_ARGS(p))
3a523f5b	348	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
3bc29f0a	349	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
3a523f5b MD	350	TP_PROTO(struct rq rq, struct task_struct p),
	351	TP_ARGS(rq, p))
	352	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	353
	354	/*
	355	* Tracepoint for a waiting task:
	356	*/
3bc29f0a	357	LTTNG_TRACEPOINT_EVENT(sched_process_wait,
f62b389e MD	358
	359	TP_PROTO(struct pid *pid),
	360
	361	TP_ARGS(pid),
	362
f127e61e MD	363	TP_FIELDS(
	364	ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
	365	ctf_integer(pid_t, tid, pid_nr(pid))
	366	ctf_integer(int, prio, current->prio - MAX_RT_PRIO)
	367	)
f62b389e MD	368	)
	369
	370	/*
79b18ef7 MD	371	* Tracepoint for do_fork.
	372	* Saving both TID and PID information, especially for the child, allows
	373	* trace analyzers to distinguish between creation of a new process and
	374	* creation of a new thread. Newly created processes will have child_tid
	375	* == child_pid, while creation of a thread yields to child_tid !=
	376	* child_pid.
f62b389e	377	*/
7bbf55ea	378	LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork,
f62b389e MD	379
	380	TP_PROTO(struct task_struct parent, struct task_struct child),
	381
	382	TP_ARGS(parent, child),
	383
7bbf55ea SL	384	TP_locvar(
	385	pid_t vtids[LTTNG_MAX_PID_NS_LEVEL];
	386	unsigned int ns_level;
	387	),
	388
265822ae	389	TP_code_pre(
7bbf55ea SL	390	if (child) {
	391	struct pid *child_pid;
	392	unsigned int i;
	393
	394	child_pid = task_pid(child);
	395	tp_locvar->ns_level =
	396	min_t(unsigned int, child_pid->level + 1,
	397	LTTNG_MAX_PID_NS_LEVEL);
	398	for (i = 0; i < tp_locvar->ns_level; i++)
	399	tp_locvar->vtids[i] = child_pid->numbers[i].nr;
	400	}
	401	),
	402
f127e61e MD	403	TP_FIELDS(
	404	ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN)
	405	ctf_integer(pid_t, parent_tid, parent->pid)
	406	ctf_integer(pid_t, parent_pid, parent->tgid)
7bbf55ea SL	407	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	408	ctf_integer(unsigned int, parent_ns_inum,
	409	({
	410	unsigned int parent_ns_inum = 0;
	411
	412	if (parent) {
	413	struct pid_namespace *pid_ns;
	414
	415	pid_ns = task_active_pid_ns(parent);
	416	if (pid_ns)
	417	parent_ns_inum =
	418	pid_ns->lttng_proc_inum;
	419	}
	420	parent_ns_inum;
	421	}))
	422	#endif
f127e61e MD	423	ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN)
f127e61e MD	424	ctf_integer(pid_t, child_tid, child->pid)
7bbf55ea	425	ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level)
f127e61e	426	ctf_integer(pid_t, child_pid, child->tgid)
7bbf55ea SL	427	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	428	ctf_integer(unsigned int, child_ns_inum,
	429	({
	430	unsigned int child_ns_inum = 0;
	431
	432	if (child) {
	433	struct pid_namespace *pid_ns;
	434
	435	pid_ns = task_active_pid_ns(child);
	436	if (pid_ns)
	437	child_ns_inum =
	438	pid_ns->lttng_proc_inum;
	439	}
	440	child_ns_inum;
	441	}))
	442	#endif
265822ae MD	443	),
	444
	445	TP_code_post()
f62b389e MD	446	)
f62b389e MD	447
7c68b363 AG	448	#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
	449	/*
	450	* Tracepoint for sending a signal:
	451	*/
3bc29f0a	452	LTTNG_TRACEPOINT_EVENT(sched_signal_send,
7c68b363 AG	453
	454	TP_PROTO(int sig, struct task_struct *p),
	455
	456	TP_ARGS(sig, p),
	457
f127e61e MD	458	TP_FIELDS(
	459	ctf_integer(int, sig, sig)
	460	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	461	ctf_integer(pid_t, tid, p->pid)
	462	)
7c68b363 AG	463	)
	464	#endif
	465
c94b2508	466	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
46142a81 PW	467	/*
	468	* Tracepoint for exec:
	469	*/
3bc29f0a	470	LTTNG_TRACEPOINT_EVENT(sched_process_exec,
46142a81 PW	471
	472	TP_PROTO(struct task_struct *p, pid_t old_pid,
	473	struct linux_binprm *bprm),
	474
	475	TP_ARGS(p, old_pid, bprm),
	476
f127e61e MD	477	TP_FIELDS(
	478	ctf_string(filename, bprm->filename)
	479	ctf_integer(pid_t, tid, p->pid)
	480	ctf_integer(pid_t, old_tid, old_pid)
	481	)
46142a81	482	)
c94b2508	483	#endif
46142a81	484
7c68b363	485	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e MD	486	/*
	487	* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
	488	* adding sched_stat support to SCHED_FIFO/RR would be welcome.
	489	*/
3bc29f0a	490	LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,
f62b389e MD	491
	492	TP_PROTO(struct task_struct *tsk, u64 delay),
	493
	494	TP_ARGS(tsk, delay),
	495
f127e61e MD	496	TP_FIELDS(
	497	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	498	ctf_integer(pid_t, tid, tsk->pid)
	499	ctf_integer(u64, delay, delay)
f62b389e	500	)
f62b389e MD	501	)
	502
	503
	504	/*
	505	* Tracepoint for accounting wait time (time the task is runnable
	506	* but not actually running due to scheduler contention).
	507	*/
3bc29f0a	508	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
f62b389e MD	509	TP_PROTO(struct task_struct *tsk, u64 delay),
	510	TP_ARGS(tsk, delay))
	511
	512	/*
	513	* Tracepoint for accounting sleep time (time the task is not runnable,
	514	* including iowait, see below).
	515	*/
3bc29f0a	516	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
f62b389e MD	517	TP_PROTO(struct task_struct *tsk, u64 delay),
	518	TP_ARGS(tsk, delay))
	519
	520	/*
	521	* Tracepoint for accounting iowait time (time the task is not runnable
	522	* due to waiting on IO to complete).
	523	*/
3bc29f0a	524	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
f62b389e MD	525	TP_PROTO(struct task_struct *tsk, u64 delay),
	526	TP_ARGS(tsk, delay))
	527
7c68b363 AG	528	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
	529	/*
	530	* Tracepoint for accounting blocked time (time the task is in uninterruptible).
	531	*/
3bc29f0a	532	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
7c68b363 AG	533	TP_PROTO(struct task_struct *tsk, u64 delay),
	534	TP_ARGS(tsk, delay))
	535	#endif
	536
f62b389e MD	537	/*
	538	* Tracepoint for accounting runtime (time the task is executing
	539	* on a CPU).
	540	*/
3bc29f0a	541	LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
f62b389e MD	542
	543	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	544
	545	TP_ARGS(tsk, runtime, vruntime),
	546
f127e61e MD	547	TP_FIELDS(
	548	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	549	ctf_integer(pid_t, tid, tsk->pid)
	550	ctf_integer(u64, runtime, runtime)
	551	ctf_integer(u64, vruntime, vruntime)
f62b389e	552	)
f62b389e	553	)
7c68b363	554	#endif
f62b389e	555
262ab189	556	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) \|\| \
46dded2d MJ	557	LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) \|\| \
46dded2d MJ	558	LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0))
673e9a03 MJ	559	/*
	560	* Tracepoint for showing priority inheritance modifying a tasks
	561	* priority.
	562	*/
	563	LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
	564
	565	TP_PROTO(struct task_struct tsk, struct task_struct pi_task),
	566
	567	TP_ARGS(tsk, pi_task),
	568
	569	TP_FIELDS(
	570	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	571	ctf_integer(pid_t, tid, tsk->pid)
	572	ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
	573	ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO)
	574	)
	575	)
	576	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
f62b389e MD	577	/*
	578	* Tracepoint for showing priority inheritance modifying a tasks
	579	* priority.
	580	*/
3bc29f0a	581	LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
f62b389e MD	582
	583	TP_PROTO(struct task_struct *tsk, int newprio),
	584
	585	TP_ARGS(tsk, newprio),
	586
f127e61e MD	587	TP_FIELDS(
	588	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	589	ctf_integer(pid_t, tid, tsk->pid)
	590	ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
	591	ctf_integer(int, newprio, newprio - MAX_RT_PRIO)
	592	)
f62b389e	593	)
7c68b363	594	#endif
f62b389e	595
3bc29f0a	596	#endif /* LTTNG_TRACE_SCHED_H */
f62b389e MD	597
f62b389e MD	598	/* This part must be outside protection */
6ec43db8	599	#include <probes/define_trace.h>