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

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