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

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

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

#include <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
#include <wrapper/namespace.h>

#define LTTNG_MAX_PID_NS_LEVEL 32

#ifndef _TRACE_SCHED_DEF_
#define _TRACE_SCHED_DEF_

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))

static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
{
        unsigned int state;

#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).
         */
        if (preempt)
                return TASK_REPORT_MAX;

        /*
         * task_state_index() uses fls() and returns a value from 0-8 range.
         * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
         * it for left shift operation to get the correct task->state
         * mapping.
         */
        state = task_state_index(p);

        return state ? (1 << (state - 1)) : state;
}

#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))

static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
{
        unsigned int state;

#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).
         */
        if (preempt)
                return TASK_REPORT_MAX;

        /*
         * __get_task_state() uses fls() and returns a value from 0-8 range.
         * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
         * it for left shift operation to get the correct task->state
         * mapping.
         */
        state = __get_task_state(p);

        return state ? (1 << (state - 1)) : state;
}

#elif (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;
}

#else

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_ */

/*
 * Enumeration of the task state bitmask.
 * Only bit flags are enumerated here, not composition of states.
 */
LTTNG_TRACEPOINT_ENUM(task_state,
	TP_ENUM_VALUES(
		ctf_enum_value("TASK_RUNNING", TASK_RUNNING)
		ctf_enum_value("TASK_INTERRUPTIBLE", TASK_INTERRUPTIBLE)
		ctf_enum_value("TASK_UNINTERRUPTIBLE", TASK_UNINTERRUPTIBLE)
		ctf_enum_value("TASK_STOPPED", __TASK_STOPPED)
		ctf_enum_value("TASK_TRACED", __TASK_TRACED)
		ctf_enum_value("EXIT_DEAD", EXIT_DEAD)
		ctf_enum_value("EXIT_ZOMBIE", EXIT_ZOMBIE)

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
		ctf_enum_value("TASK_PARKED", TASK_PARKED)
#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */

		ctf_enum_value("TASK_DEAD", TASK_DEAD)
		ctf_enum_value("TASK_WAKEKILL", TASK_WAKEKILL)
		ctf_enum_value("TASK_WAKING", TASK_WAKING)

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
		ctf_enum_value("TASK_NOLOAD", TASK_NOLOAD)
#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
		ctf_enum_value("TASK_NEW", TASK_NEW)
#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0)) */

		ctf_enum_value("TASK_STATE_MAX", TASK_STATE_MAX)
	)
)

/*
 * 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,

	TP_PROTO(struct task_struct *p, int success),

	TP_ARGS(p, success),

	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)
		ctf_integer(int, target_cpu, task_cpu(p))
	)
)
#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))

#else

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))

#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */

/*
 * 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),
#else
	TP_PROTO(struct task_struct *prev,
		 struct task_struct *next),

	TP_ARGS(prev, next),
#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) */

	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_enum(task_state, long, prev_state, __trace_sched_switch_state(preempt, prev))
#else
		ctf_enum(task_state, long, prev_state, __trace_sched_switch_state(prev))
#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:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
	TP_PROTO(struct task_struct *p),
	TP_ARGS(p))

/*
 * 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_ns_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_ns_inum;
				}
				child_ns_inum;
			}))
#endif
	),

	TP_code_post()
)

#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

/*
 * 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)
	)
)

#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)
	)
)
#else
/*
 * 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 <lttng/define_trace.h>
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: GPL-2.0-only */
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
3b4aafcb	8	#include <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
a6cf40a4	16	#include <wrapper/namespace.h>
7bbf55ea SL	17
	18	#define LTTNG_MAX_PID_NS_LEVEL 32
	19
f62b389e MD	20	#ifndef _TRACE_SCHED_DEF_
	21	#define _TRACE_SCHED_DEF_
	22
27e6eda7 GAPG	23	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
	24
	25	static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
	26	{
	27	unsigned int state;
	28
	29	#ifdef CONFIG_SCHED_DEBUG
	30	BUG_ON(p != current);
	31	#endif /* CONFIG_SCHED_DEBUG */
	32
	33	/*
	34	* Preemption ignores task state, therefore preempted tasks are always
	35	* RUNNING (we will not have dequeued if state != RUNNING).
	36	*/
	37	if (preempt)
	38	return TASK_REPORT_MAX;
	39
	40	/*
	41	* task_state_index() uses fls() and returns a value from 0-8 range.
	42	* Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
	43	* it for left shift operation to get the correct task->state
	44	* mapping.
	45	*/
	46	state = task_state_index(p);
	47
	48	return state ? (1 << (state - 1)) : state;
	49	}
	50
	51	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
	52
	53	static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
	54	{
	55	unsigned int state;
	56
	57	#ifdef CONFIG_SCHED_DEBUG
	58	BUG_ON(p != current);
	59	#endif /* CONFIG_SCHED_DEBUG */
	60
	61	/*
	62	* Preemption ignores task state, therefore preempted tasks are always
	63	* RUNNING (we will not have dequeued if state != RUNNING).
	64	*/
	65	if (preempt)
	66	return TASK_REPORT_MAX;
	67
	68	/*
	69	* __get_task_state() uses fls() and returns a value from 0-8 range.
	70	* Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
	71	* it for left shift operation to get the correct task->state
	72	* mapping.
	73	*/
	74	state = __get_task_state(p);
	75
	76	return state ? (1 << (state - 1)) : state;
	77	}
	78
	79	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
3ee729fe MD	80
	81	static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
	82	{
	83	#ifdef CONFIG_SCHED_DEBUG
	84	BUG_ON(p != current);
	85	#endif /* CONFIG_SCHED_DEBUG */
	86	/*
	87	* Preemption ignores task state, therefore preempted tasks are always RUNNING
	88	* (we will not have dequeued if state != RUNNING).
	89	*/
	90	return preempt ? TASK_RUNNING \| TASK_STATE_MAX : p->state;
	91	}
	92
	93	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
857b6f4f MD	94
	95	static inline long __trace_sched_switch_state(struct task_struct *p)
	96	{
	97	long state = p->state;
	98
	99	#ifdef CONFIG_PREEMPT
	100	#ifdef CONFIG_SCHED_DEBUG
	101	BUG_ON(p != current);
	102	#endif /* CONFIG_SCHED_DEBUG */
	103	/*
	104	* For all intents and purposes a preempted task is a running task.
	105	*/
	106	if (preempt_count() & PREEMPT_ACTIVE)
	107	state = TASK_RUNNING \| TASK_STATE_MAX;
	108	#endif /* CONFIG_PREEMPT */
	109
	110	return state;
	111	}
	112
	113	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
33673ee7 MD	114
	115	static inline long __trace_sched_switch_state(struct task_struct *p)
	116	{
	117	long state = p->state;
	118
	119	#ifdef CONFIG_PREEMPT
	120	/*
	121	* For all intents and purposes a preempted task is a running task.
	122	*/
	123	if (task_preempt_count(p) & PREEMPT_ACTIVE)
	124	state = TASK_RUNNING \| TASK_STATE_MAX;
	125	#endif
	126
	127	return state;
	128	}
	129
	130	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
7c68b363	131
f62b389e MD	132	static inline long __trace_sched_switch_state(struct task_struct *p)
	133	{
	134	long state = p->state;
	135
	136	#ifdef CONFIG_PREEMPT
	137	/*
	138	* For all intents and purposes a preempted task is a running task.
	139	*/
	140	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
7c68b363	141	state = TASK_RUNNING \| TASK_STATE_MAX;
7c68b363	142	#endif
33673ee7 MD	143
	144	return state;
	145	}
	146
ead65427	147	#else
33673ee7 MD	148
	149	static inline long __trace_sched_switch_state(struct task_struct *p)
	150	{
	151	long state = p->state;
	152
	153	#ifdef CONFIG_PREEMPT
	154	/*
	155	* For all intents and purposes a preempted task is a running task.
	156	*/
	157	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
	158	state = TASK_RUNNING;
f62b389e MD	159	#endif
	160
	161	return state;
	162	}
	163
7c68b363 AG	164	#endif
7c68b363 AG	165
f62b389e MD	166	#endif /* _TRACE_SCHED_DEF_ */
f62b389e MD	167
721caea4 GB	168	/*
	169	* Enumeration of the task state bitmask.
	170	* Only bit flags are enumerated here, not composition of states.
	171	*/
	172	LTTNG_TRACEPOINT_ENUM(task_state,
	173	TP_ENUM_VALUES(
	174	ctf_enum_value("TASK_RUNNING", TASK_RUNNING)
	175	ctf_enum_value("TASK_INTERRUPTIBLE", TASK_INTERRUPTIBLE)
	176	ctf_enum_value("TASK_UNINTERRUPTIBLE", TASK_UNINTERRUPTIBLE)
	177	ctf_enum_value("TASK_STOPPED", __TASK_STOPPED)
	178	ctf_enum_value("TASK_TRACED", __TASK_TRACED)
	179	ctf_enum_value("EXIT_DEAD", EXIT_DEAD)
	180	ctf_enum_value("EXIT_ZOMBIE", EXIT_ZOMBIE)
	181
	182	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
	183	ctf_enum_value("TASK_PARKED", TASK_PARKED)
	184	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
	185
	186	ctf_enum_value("TASK_DEAD", TASK_DEAD)
	187	ctf_enum_value("TASK_WAKEKILL", TASK_WAKEKILL)
	188	ctf_enum_value("TASK_WAKING", TASK_WAKING)
	189
	190	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
	191	ctf_enum_value("TASK_NOLOAD", TASK_NOLOAD)
	192	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
	193
	194	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
	195	ctf_enum_value("TASK_NEW", TASK_NEW)
	196	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0)) */
	197
	198	ctf_enum_value("TASK_STATE_MAX", TASK_STATE_MAX)
	199	)
	200	)
	201
f62b389e MD	202	/*
	203	* Tracepoint for calling kthread_stop, performed to end a kthread:
	204	*/
3bc29f0a	205	LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,
f62b389e MD	206
	207	TP_PROTO(struct task_struct *t),
	208
	209	TP_ARGS(t),
	210
f127e61e MD	211	TP_FIELDS(
	212	ctf_array_text(char, comm, t->comm, TASK_COMM_LEN)
	213	ctf_integer(pid_t, tid, t->pid)
	214	)
f62b389e MD	215	)
	216
	217	/*
	218	* Tracepoint for the return value of the kthread stopping:
	219	*/
3bc29f0a	220	LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
f62b389e MD	221
	222	TP_PROTO(int ret),
	223
	224	TP_ARGS(ret),
	225
f127e61e MD	226	TP_FIELDS(
	227	ctf_integer(int, ret, ret)
	228	)
f62b389e MD	229	)
	230
	231	/*
	232	* Tracepoint for waking up a task:
	233	*/
b6c74835	234	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) \|\| \
95ff37b6 MJ	235	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) \|\| \
	236	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) \|\| \
	237	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) \|\| \
	238	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) \|\| \
	239	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) \|\| \
	240	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) \|\| \
	241	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
ffcf2393 MD	242	LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
	243
	244	TP_PROTO(struct task_struct *p),
	245
	246	TP_ARGS(p),
	247
	248	TP_FIELDS(
	249	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	250	ctf_integer(pid_t, tid, p->pid)
5aa835c0	251	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
ffcf2393 MD	252	ctf_integer(int, target_cpu, task_cpu(p))
	253	)
	254	)
	255	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
3bc29f0a	256	LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
f62b389e MD	257
	258	TP_PROTO(struct task_struct *p, int success),
	259
	260	TP_ARGS(p, success),
	261
f127e61e MD	262	TP_FIELDS(
	263	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	264	ctf_integer(pid_t, tid, p->pid)
5aa835c0	265	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
f127e61e	266	ctf_integer(int, success, success)
f127e61e	267	ctf_integer(int, target_cpu, task_cpu(p))
7c68b363	268	)
f62b389e	269	)
ffcf2393	270	#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
f62b389e	271
b6c74835	272	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) \|\| \
95ff37b6 MJ	273	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) \|\| \
	274	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) \|\| \
	275	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) \|\| \
	276	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) \|\| \
	277	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) \|\| \
	278	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) \|\| \
	279	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
ffcf2393 MD	280
	281	/*
	282	* Tracepoint called when waking a task; this tracepoint is guaranteed to be
	283	* called from the waking context.
	284	*/
	285	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_waking,
	286	TP_PROTO(struct task_struct *p),
	287	TP_ARGS(p))
	288
	289	/*
	290	* Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.
	291	* It it not always called from the waking context.
	292	*/
	293	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
	294	TP_PROTO(struct task_struct *p),
	295	TP_ARGS(p))
	296
	297	/*
	298	* Tracepoint for waking up a new task:
	299	*/
	300	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
	301	TP_PROTO(struct task_struct *p),
	302	TP_ARGS(p))
	303
ead65427	304	#else
3a523f5b	305
3bc29f0a	306	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
f62b389e MD	307	TP_PROTO(struct task_struct *p, int success),
	308	TP_ARGS(p, success))
	309
	310	/*
	311	* Tracepoint for waking up a new task:
	312	*/
3bc29f0a	313	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
f62b389e MD	314	TP_PROTO(struct task_struct *p, int success),
	315	TP_ARGS(p, success))
	316
ead65427	317	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
3a523f5b	318
f62b389e MD	319	/*
	320	* Tracepoint for task switches, performed by the scheduler:
	321	*/
3bc29f0a	322	LTTNG_TRACEPOINT_EVENT(sched_switch,
f62b389e	323
3ee729fe MD	324	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
	325	TP_PROTO(bool preempt,
	326	struct task_struct *prev,
	327	struct task_struct *next),
	328
	329	TP_ARGS(preempt, prev, next),
ead65427	330	#else
f62b389e MD	331	TP_PROTO(struct task_struct *prev,
	332	struct task_struct *next),
	333
	334	TP_ARGS(prev, next),
ead65427	335	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)) */
f62b389e	336
f127e61e MD	337	TP_FIELDS(
	338	ctf_array_text(char, prev_comm, prev->comm, TASK_COMM_LEN)
	339	ctf_integer(pid_t, prev_tid, prev->pid)
	340	ctf_integer(int, prev_prio, prev->prio - MAX_RT_PRIO)
3ee729fe	341	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
721caea4	342	ctf_enum(task_state, long, prev_state, __trace_sched_switch_state(preempt, prev))
7c68b363	343	#else
721caea4	344	ctf_enum(task_state, long, prev_state, __trace_sched_switch_state(prev))
7c68b363	345	#endif
f127e61e MD	346	ctf_array_text(char, next_comm, next->comm, TASK_COMM_LEN)
	347	ctf_integer(pid_t, next_tid, next->pid)
	348	ctf_integer(int, next_prio, next->prio - MAX_RT_PRIO)
	349	)
f62b389e MD	350	)
	351
	352	/*
	353	* Tracepoint for a task being migrated:
	354	*/
3bc29f0a	355	LTTNG_TRACEPOINT_EVENT(sched_migrate_task,
f62b389e MD	356
	357	TP_PROTO(struct task_struct *p, int dest_cpu),
	358
	359	TP_ARGS(p, dest_cpu),
	360
f127e61e MD	361	TP_FIELDS(
	362	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	363	ctf_integer(pid_t, tid, p->pid)
	364	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
	365	ctf_integer(int, orig_cpu, task_cpu(p))
	366	ctf_integer(int, dest_cpu, dest_cpu)
	367	)
f62b389e MD	368	)
f62b389e MD	369
3bc29f0a	370	LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
f62b389e MD	371
	372	TP_PROTO(struct task_struct *p),
	373
	374	TP_ARGS(p),
	375
f127e61e MD	376	TP_FIELDS(
	377	ctf_array_text(char, comm, p->comm, TASK_COMM_LEN)
	378	ctf_integer(pid_t, tid, p->pid)
	379	ctf_integer(int, prio, p->prio - MAX_RT_PRIO)
	380	)
f62b389e MD	381	)
	382
	383	/*
	384	* Tracepoint for freeing a task:
	385	*/
3bc29f0a	386	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
f62b389e MD	387	TP_PROTO(struct task_struct *p),
f62b389e MD	388	TP_ARGS(p))
216b6baa	389
f62b389e MD	390
	391	/*
	392	* Tracepoint for a task exiting:
	393	*/
3bc29f0a	394	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
f62b389e MD	395	TP_PROTO(struct task_struct *p),
	396	TP_ARGS(p))
	397
	398	/*
	399	* Tracepoint for waiting on task to unschedule:
	400	*/
3bc29f0a	401	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
f62b389e MD	402	TP_PROTO(struct task_struct *p),
	403	TP_ARGS(p))
	404
	405	/*
	406	* Tracepoint for a waiting task:
	407	*/
3bc29f0a	408	LTTNG_TRACEPOINT_EVENT(sched_process_wait,
f62b389e MD	409
	410	TP_PROTO(struct pid *pid),
	411
	412	TP_ARGS(pid),
	413
f127e61e MD	414	TP_FIELDS(
	415	ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
	416	ctf_integer(pid_t, tid, pid_nr(pid))
	417	ctf_integer(int, prio, current->prio - MAX_RT_PRIO)
	418	)
f62b389e MD	419	)
	420
	421	/*
79b18ef7 MD	422	* Tracepoint for do_fork.
	423	* Saving both TID and PID information, especially for the child, allows
	424	* trace analyzers to distinguish between creation of a new process and
	425	* creation of a new thread. Newly created processes will have child_tid
	426	* == child_pid, while creation of a thread yields to child_tid !=
	427	* child_pid.
f62b389e	428	*/
7bbf55ea	429	LTTNG_TRACEPOINT_EVENT_CODE(sched_process_fork,
f62b389e MD	430
	431	TP_PROTO(struct task_struct parent, struct task_struct child),
	432
	433	TP_ARGS(parent, child),
	434
7bbf55ea SL	435	TP_locvar(
	436	pid_t vtids[LTTNG_MAX_PID_NS_LEVEL];
	437	unsigned int ns_level;
	438	),
	439
265822ae	440	TP_code_pre(
7bbf55ea SL	441	if (child) {
	442	struct pid *child_pid;
	443	unsigned int i;
	444
	445	child_pid = task_pid(child);
	446	tp_locvar->ns_level =
	447	min_t(unsigned int, child_pid->level + 1,
	448	LTTNG_MAX_PID_NS_LEVEL);
	449	for (i = 0; i < tp_locvar->ns_level; i++)
	450	tp_locvar->vtids[i] = child_pid->numbers[i].nr;
	451	}
	452	),
	453
f127e61e MD	454	TP_FIELDS(
	455	ctf_array_text(char, parent_comm, parent->comm, TASK_COMM_LEN)
	456	ctf_integer(pid_t, parent_tid, parent->pid)
	457	ctf_integer(pid_t, parent_pid, parent->tgid)
7bbf55ea SL	458	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	459	ctf_integer(unsigned int, parent_ns_inum,
	460	({
	461	unsigned int parent_ns_inum = 0;
	462
	463	if (parent) {
	464	struct pid_namespace *pid_ns;
	465
	466	pid_ns = task_active_pid_ns(parent);
	467	if (pid_ns)
	468	parent_ns_inum =
a6cf40a4	469	pid_ns->lttng_ns_inum;
7bbf55ea SL	470	}
	471	parent_ns_inum;
	472	}))
	473	#endif
f127e61e MD	474	ctf_array_text(char, child_comm, child->comm, TASK_COMM_LEN)
f127e61e MD	475	ctf_integer(pid_t, child_tid, child->pid)
7bbf55ea	476	ctf_sequence(pid_t, vtids, tp_locvar->vtids, u8, tp_locvar->ns_level)
f127e61e	477	ctf_integer(pid_t, child_pid, child->tgid)
7bbf55ea SL	478	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	479	ctf_integer(unsigned int, child_ns_inum,
	480	({
	481	unsigned int child_ns_inum = 0;
	482
	483	if (child) {
	484	struct pid_namespace *pid_ns;
	485
	486	pid_ns = task_active_pid_ns(child);
	487	if (pid_ns)
	488	child_ns_inum =
a6cf40a4	489	pid_ns->lttng_ns_inum;
7bbf55ea SL	490	}
	491	child_ns_inum;
	492	}))
	493	#endif
265822ae MD	494	),
	495
	496	TP_code_post()
f62b389e MD	497	)
f62b389e MD	498
c94b2508	499	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
46142a81 PW	500	/*
	501	* Tracepoint for exec:
	502	*/
3bc29f0a	503	LTTNG_TRACEPOINT_EVENT(sched_process_exec,
46142a81 PW	504
	505	TP_PROTO(struct task_struct *p, pid_t old_pid,
	506	struct linux_binprm *bprm),
	507
	508	TP_ARGS(p, old_pid, bprm),
	509
f127e61e MD	510	TP_FIELDS(
	511	ctf_string(filename, bprm->filename)
	512	ctf_integer(pid_t, tid, p->pid)
	513	ctf_integer(pid_t, old_tid, old_pid)
	514	)
46142a81	515	)
c94b2508	516	#endif
46142a81	517
f62b389e MD	518	/*
	519	* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
	520	* adding sched_stat support to SCHED_FIFO/RR would be welcome.
	521	*/
3bc29f0a	522	LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,
f62b389e MD	523
	524	TP_PROTO(struct task_struct *tsk, u64 delay),
	525
	526	TP_ARGS(tsk, delay),
	527
f127e61e MD	528	TP_FIELDS(
	529	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	530	ctf_integer(pid_t, tid, tsk->pid)
	531	ctf_integer(u64, delay, delay)
f62b389e	532	)
f62b389e MD	533	)
	534
	535
	536	/*
	537	* Tracepoint for accounting wait time (time the task is runnable
	538	* but not actually running due to scheduler contention).
	539	*/
3bc29f0a	540	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
f62b389e MD	541	TP_PROTO(struct task_struct *tsk, u64 delay),
	542	TP_ARGS(tsk, delay))
	543
	544	/*
	545	* Tracepoint for accounting sleep time (time the task is not runnable,
	546	* including iowait, see below).
	547	*/
3bc29f0a	548	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
f62b389e MD	549	TP_PROTO(struct task_struct *tsk, u64 delay),
	550	TP_ARGS(tsk, delay))
	551
	552	/*
	553	* Tracepoint for accounting iowait time (time the task is not runnable
	554	* due to waiting on IO to complete).
	555	*/
3bc29f0a	556	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
f62b389e MD	557	TP_PROTO(struct task_struct *tsk, u64 delay),
	558	TP_ARGS(tsk, delay))
	559
7c68b363 AG	560	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
	561	/*
	562	* Tracepoint for accounting blocked time (time the task is in uninterruptible).
	563	*/
3bc29f0a	564	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
7c68b363 AG	565	TP_PROTO(struct task_struct *tsk, u64 delay),
	566	TP_ARGS(tsk, delay))
	567	#endif
	568
f62b389e MD	569	/*
	570	* Tracepoint for accounting runtime (time the task is executing
	571	* on a CPU).
	572	*/
3bc29f0a	573	LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
f62b389e MD	574
	575	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	576
	577	TP_ARGS(tsk, runtime, vruntime),
	578
f127e61e MD	579	TP_FIELDS(
	580	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	581	ctf_integer(pid_t, tid, tsk->pid)
	582	ctf_integer(u64, runtime, runtime)
	583	ctf_integer(u64, vruntime, vruntime)
f62b389e	584	)
f62b389e MD	585	)
f62b389e MD	586
262ab189	587	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) \|\| \
46dded2d MJ	588	LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) \|\| \
46dded2d MJ	589	LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0))
673e9a03 MJ	590	/*
	591	* Tracepoint for showing priority inheritance modifying a tasks
	592	* priority.
	593	*/
	594	LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
	595
	596	TP_PROTO(struct task_struct tsk, struct task_struct pi_task),
	597
	598	TP_ARGS(tsk, pi_task),
	599
	600	TP_FIELDS(
	601	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	602	ctf_integer(pid_t, tid, tsk->pid)
	603	ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
	604	ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO)
	605	)
	606	)
ead65427	607	#else
f62b389e MD	608	/*
	609	* Tracepoint for showing priority inheritance modifying a tasks
	610	* priority.
	611	*/
3bc29f0a	612	LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
f62b389e MD	613
	614	TP_PROTO(struct task_struct *tsk, int newprio),
	615
	616	TP_ARGS(tsk, newprio),
	617
f127e61e MD	618	TP_FIELDS(
	619	ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
	620	ctf_integer(pid_t, tid, tsk->pid)
	621	ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
	622	ctf_integer(int, newprio, newprio - MAX_RT_PRIO)
	623	)
f62b389e	624	)
7c68b363	625	#endif
f62b389e	626
3bc29f0a	627	#endif /* LTTNG_TRACE_SCHED_H */
f62b389e MD	628
f62b389e MD	629	/* This part must be outside protection */
3b4aafcb	630	#include <lttng/define_trace.h>