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     GˆÈÌ„ŸÇ¿Î ?÷     G/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sched

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

#include <linux/kthread.h>
#include <linux/sched/numa_balancing.h>
#include <linux/tracepoint.h>
#include <linux/binfmts.h>

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

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

	TP_STRUCT__entry(
		__array(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	pid			)
	),

	TP_fast_assign(
		memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
		__entry->pid	= t->pid;
	),

	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
);

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

	TP_PROTO(int ret),

	TP_ARGS(ret),

	TP_STRUCT__entry(
		__field(	int,	ret	)
	),

	TP_fast_assign(
		__entry->ret	= ret;
	),

	TP_printk("ret=%d", __entry->ret)
);

/**
 * sched_kthread_work_queue_work - called when a work gets queued
 * @worker:	pointer to the kthread_worker
 * @work:	pointer to struct kthread_work
 *
 * This event occurs when a work is queued immediately or once a
 * delayed work is actually queued (ie: once the delay has been
 * reached).
 */
TRACE_EVENT(sched_kthread_work_queue_work,

	TP_PROTO(struct kthread_worker *worker,
		 struct kthread_work *work),

	TP_ARGS(worker, work),

	TP_STRUCT__entry(
		__field( void *,	work	)
		__field( void *,	function)
		__field( void *,	worker)
	),

	TP_fast_assign(
		__entry->work		= work;
		__entry->function	= work->func;
		__entry->worker		= worker;
	),

	TP_printk("work struct=%p function=%ps worker=%p",
		  __entry->work, __entry->function, __entry->worker)
);

/**
 * sched_kthread_work_execute_start - called immediately before the work callback
 * @work:	pointer to struct kthread_work
 *
 * Allows to track kthread work execution.
 */
TRACE_EVENT(sched_kthread_work_execute_start,

	TP_PROTO(struct kthread_work *work),

	TP_ARGS(work),

	TP_STRUCT__entry(
		__field( void *,	work	)
		__field( void *,	function)
	),

	TP_fast_assign(
		__entry->work		= work;
		__entry->function	= work->func;
	),

	TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
);

/**
 * sched_kthread_work_execute_end - called immediately after the work callback
 * @work:	pointer to struct work_struct
 * @function:   pointer to worker function
 *
 * Allows to track workqueue execution.
 */
TRACE_EVENT(sched_kthread_work_execute_end,

	TP_PROTO(struct kthread_work *work, kthread_work_func_t function),

	TP_ARGS(work, function),

	TP_STRUCT__entry(
		__field( void *,	work	)
		__field( void *,	function)
	),

	TP_fast_assign(
		__entry->work		= work;
		__entry->function	= function;
	),

	TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
);

/*
 * Tracepoint for waking up a task:
 */
DECLARE_EVENT_CLASS(sched_wakeup_template,

	TP_PROTO(struct task_struct *p),

	TP_ARGS(__perf_task(p)),

	TP_STRUCT__entry(
		__array(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	pid			)
		__field(	int,	prio			)
		__field(	int,	target_cpu		)
	),

	TP_fast_assign(
		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
		__entry->pid		= p->pid;
		__entry->prio		= p->prio; /* XXX SCHED_DEADLINE */
		__entry->target_cpu	= task_cpu(p);
	),

	TP_printk("comm=%s pid=%d prio=%d target_cpu=%03d",
		  __entry->comm, __entry->pid, __entry->prio,
		  __entry->target_cpu)
);

/*
 * Tracepoint called when waking a task; this tracepoint is guaranteed to be
 * called from the waking context.
 */
DEFINE_EVENT(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_RUNNING.
 * It is not always called from the waking context.
 */
DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
	     TP_PROTO(struct task_struct *p),
	     TP_ARGS(p));

/*
 * Tracepoint for waking up a new task:
 */
DEFINE_EVENT(sched_wakeup_templat