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

#undef TRACE_SYSTEM
#define TRACE_SYSTEM sched

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

#include <linux/sched.h>
#include <linux/tracepoint.h>

#ifndef _TRACE_SCHED_DEF_
#define _TRACE_SCHED_DEF_

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 /* _TRACE_SCHED_DEF_ */

/*
 * 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_text(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	tid			)
	),

	TP_fast_assign(
		tp_memcpy(comm, t->comm, TASK_COMM_LEN)
		tp_assign(tid, t->pid)
	),

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

/*
 * 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(
		tp_assign(ret, ret)
	),

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

/*
 * Tracepoint for waking up a task:
 */
DECLARE_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_STRUCT__entry(
		__array_text(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	tid			)
		__field(	int,	prio			)
		__field(	int,	success			)
		__field(	int,	target_cpu		)
	),

	TP_fast_assign(
		tp_memcpy(comm, p->comm, TASK_COMM_LEN)
		tp_assign(tid, p->pid)
		tp_assign(prio, p->prio)
		tp_assign(success, success)
		tp_assign(target_cpu, task_cpu(p))
	),

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

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

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

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

DEFINE_EVENT(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:
 */
DEFINE_EVENT(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:
 */
TRACE_EVENT(sched_switch,

#if (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_STRUCT__entry(
		__array_text(	char,	prev_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	prev_tid			)
		__field(	int,	prev_prio			)
		__field(	long,	prev_state			)
		__array_text(	char,	next_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	next_tid			)
		__field(	int,	next_prio			)
	),

	TP_fast_assign(
		tp_memcpy(next_comm, next->comm, TASK_COMM_LEN)
		tp_assign(prev_tid, prev->pid)
		tp_assign(prev_prio, prev->prio - MAX_RT_PRIO)
		tp_assign(prev_state, __trace_sched_switch_state(prev))
		tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
		tp_assign(next_tid, next->pid)
		tp_assign(next_prio, next->prio - MAX_RT_PRIO)
	),

	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_tid=%d next_prio=%d",
		__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
		__entry->prev_state ?
		  __print_flags(__entry->prev_state, "|",
				{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
				{ 16, "Z" }, { 32, "X" }, { 64, "x" },
				{ 128, "W" }) : "R",
		__entry->next_comm, __entry->next_tid, __entry->next_prio)
)

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

	TP_PROTO(struct task_struct *p, int dest_cpu),

	TP_ARGS(p, dest_cpu),

	TP_STRUCT__entry(
		__array_text(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	tid			)
		__field(	int,	prio			)
		__field(	int,	orig_cpu		)
		__field(	int,	dest_cpu		)
	),

	TP_fast_assign(
		tp_memcpy(comm, p->comm, TASK_COMM_LEN)
		tp_assign(tid, p->pid)
		tp_assign(prio, p->prio - MAX_RT_PRIO)
		tp_assign(orig_cpu, task_cpu(p))
		tp_assign(dest_cpu, dest_cpu)
	),

	TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d",
		  __entry->comm, __entry->tid, __entry->prio,
		  __entry->orig_cpu, __entry->dest_cpu)
)

DECLARE_EVENT_CLASS(sched_process_template,

	TP_PROTO(struct task_struct *p),

	TP_ARGS(p),

	TP_STRUCT__entry(
		__array_text(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	tid			)
		__field(	int,	prio			)
	),

	TP_fast_assign(
		tp_memcpy(comm, p->comm, TASK_COMM_LEN)
		tp_assign(tid, p->pid)
		tp_assign(prio, p->prio - MAX_RT_PRIO)
	),

	TP_printk("comm=%s tid=%d prio=%d",
		  __entry->comm, __entry->tid, __entry->prio)
)

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

/*
 * Tracepoint for a task exiting:
 */
DEFINE_EVENT(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))
DEFINE_EVENT(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)) */
DEFINE_EVENT(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:
 */
TRACE_EVENT(sched_process_wait,

	TP_PROTO(struct pid *pid),

	TP_ARGS(pid),

	TP_STRUCT__entry(
		__array_text(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	tid			)
		__field(	int,	prio			)
	),

	TP_fast_assign(
		tp_memcpy(comm, current->comm, TASK_COMM_LEN)
		tp_assign(tid, pid_nr(pid))
		tp_assign(prio, current->prio - MAX_RT_PRIO)
	),

	TP_printk("comm=%s tid=%d prio=%d",
		  __entry->comm, __entry->tid, __entry->prio)
)

/*
 * Tracepoint for do_fork:
 */
TRACE_EVENT(sched_process_fork,

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

	TP_ARGS(parent, child),

	TP_STRUCT__entry(
		__array_text(	char,	parent_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	parent_tid			)
		__array_text(	char,	child_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	child_tid			)
	),

	TP_fast_assign(
		tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN)
		tp_assign(parent_tid, parent->pid)
		tp_memcpy(child_comm, child->comm, TASK_COMM_LEN)
		tp_assign(child_tid, child->pid)
	),

	TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d",
		__entry->parent_comm, __entry->parent_tid,
		__entry->child_comm, __entry->child_tid)
)

/*
 * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
 *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
 */
DECLARE_EVENT_CLASS(sched_stat_template,

	TP_PROTO(struct task_struct *tsk, u64 delay),

	TP_ARGS(tsk, delay),

	TP_STRUCT__entry(
		__array_text( char,	comm,	TASK_COMM_LEN	)
		__field( pid_t,	tid			)
		__field( u64,	delay			)
	),

	TP_fast_assign(
		tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
		tp_assign(tid,  tsk->pid)
		tp_assign(delay, delay)
	)
	TP_perf_assign(
		__perf_count(delay)
	),

	TP_printk("comm=%s tid=%d delay=%Lu [ns]",
			__entry->comm, __entry->tid,
			(unsigned long long)__entry->delay)
)


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

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

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

	TP_ARGS(tsk, runtime, vruntime),

	TP_STRUCT__entry(
		__array_text( char,	comm,	TASK_COMM_LEN	)
		__field( pid_t,	tid			)
		__field( u64,	runtime			)
		__field( u64,	vruntime			)
	),

	TP_fast_assign(
		tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
		tp_assign(tid, tsk->pid)
		tp_assign(runtime, runtime)
		tp_assign(vruntime, vruntime)
	)
	TP_perf_assign(
		__perf_count(runtime)
	),

	TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
			__entry->comm, __entry->tid,
			(unsigned long long)__entry->runtime,
			(unsigned long long)__entry->vruntime)
)

/*
 * Tracepoint for showing priority inheritance modifying a tasks
 * priority.
 */
TRACE_EVENT(sched_pi_setprio,

	TP_PROTO(struct task_struct *tsk, int newprio),

	TP_ARGS(tsk, newprio),

	TP_STRUCT__entry(
		__array_text( char,	comm,	TASK_COMM_LEN	)
		__field( pid_t,	tid			)
		__field( int,	oldprio			)
		__field( int,	newprio			)
	),

	TP_fast_assign(
		tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
		tp_assign(tid, tsk->pid)
		tp_assign(oldprio, tsk->prio - MAX_RT_PRIO)
		tp_assign(newprio, newprio - MAX_RT_PRIO)
	),

	TP_printk("comm=%s tid=%d oldprio=%d newprio=%d",
			__entry->comm, __entry->tid,
			__entry->oldprio, __entry->newprio)
)

#endif /* _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
	4	#if !defined(_TRACE_SCHED_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	5	#define _TRACE_SCHED_H
	6
	7	#include <linux/sched.h>
	8	#include <linux/tracepoint.h>
	9
	10	#ifndef _TRACE_SCHED_DEF_
	11	#define _TRACE_SCHED_DEF_
	12
	13	static inline long __trace_sched_switch_state(struct task_struct *p)
	14	{
	15	long state = p->state;
	16
	17	#ifdef CONFIG_PREEMPT
	18	/*
	19	* For all intents and purposes a preempted task is a running task.
	20	*/
	21	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
	22	state = TASK_RUNNING;
	23	#endif
	24
	25	return state;
	26	}
	27
	28	#endif /* _TRACE_SCHED_DEF_ */
	29
	30	/*
	31	* Tracepoint for calling kthread_stop, performed to end a kthread:
	32	*/
	33	TRACE_EVENT(sched_kthread_stop,
	34
	35	TP_PROTO(struct task_struct *t),
	36
	37	TP_ARGS(t),
	38
	39	TP_STRUCT__entry(
64c796d8	40	__array_text( char, comm, TASK_COMM_LEN )
e5092131	41	__field( pid_t, tid )
f62b389e MD	42	),
	43
	44	TP_fast_assign(
	45	tp_memcpy(comm, t->comm, TASK_COMM_LEN)
e5092131	46	tp_assign(tid, t->pid)
f62b389e MD	47	),
f62b389e MD	48
e5092131	49	TP_printk("comm=%s tid=%d", __entry->comm, __entry->tid)
f62b389e MD	50	)
	51
	52	/*
	53	* Tracepoint for the return value of the kthread stopping:
	54	*/
	55	TRACE_EVENT(sched_kthread_stop_ret,
	56
	57	TP_PROTO(int ret),
	58
	59	TP_ARGS(ret),
	60
	61	TP_STRUCT__entry(
	62	__field( int, ret )
	63	),
	64
	65	TP_fast_assign(
	66	tp_assign(ret, ret)
	67	),
	68
	69	TP_printk("ret=%d", __entry->ret)
	70	)
	71
	72	/*
	73	* Tracepoint for waking up a task:
	74	*/
	75	DECLARE_EVENT_CLASS(sched_wakeup_template,
	76
3a523f5b	77	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	78	TP_PROTO(struct task_struct *p, int success),
	79
	80	TP_ARGS(p, success),
3a523f5b MD	81	#else
	82	TP_PROTO(struct rq rq, struct task_struct p, int success),
	83
	84	TP_ARGS(rq, p, success),
	85	#endif
f62b389e MD	86
f62b389e MD	87	TP_STRUCT__entry(
64c796d8	88	__array_text( char, comm, TASK_COMM_LEN )
e5092131	89	__field( pid_t, tid )
f62b389e MD	90	__field( int, prio )
	91	__field( int, success )
	92	__field( int, target_cpu )
	93	),
	94
	95	TP_fast_assign(
	96	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	97	tp_assign(tid, p->pid)
f62b389e MD	98	tp_assign(prio, p->prio)
	99	tp_assign(success, success)
	100	tp_assign(target_cpu, task_cpu(p))
	101	),
	102
e5092131 MD	103	TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d",
e5092131 MD	104	__entry->comm, __entry->tid, __entry->prio,
f62b389e MD	105	__entry->success, __entry->target_cpu)
	106	)
	107
3a523f5b MD	108	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3a523f5b MD	109
f62b389e MD	110	DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
	111	TP_PROTO(struct task_struct *p, int success),
	112	TP_ARGS(p, success))
	113
	114	/*
	115	* Tracepoint for waking up a new task:
	116	*/
	117	DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
	118	TP_PROTO(struct task_struct *p, int success),
	119	TP_ARGS(p, success))
	120
3a523f5b MD	121	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	122
	123	DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
	124	TP_PROTO(struct rq rq, struct task_struct p, int success),
	125	TP_ARGS(rq, p, success))
	126
	127	/*
	128	* Tracepoint for waking up a new task:
	129	*/
	130	DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
	131	TP_PROTO(struct rq rq, struct task_struct p, int success),
	132	TP_ARGS(rq, p, success))
	133
	134	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	135
f62b389e MD	136	/*
	137	* Tracepoint for task switches, performed by the scheduler:
	138	*/
	139	TRACE_EVENT(sched_switch,
	140
3a523f5b	141	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	142	TP_PROTO(struct task_struct *prev,
	143	struct task_struct *next),
	144
	145	TP_ARGS(prev, next),
3a523f5b MD	146	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	147	TP_PROTO(struct rq rq, struct task_struct prev,
	148	struct task_struct *next),
	149
	150	TP_ARGS(rq, prev, next),
	151	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	152
f62b389e MD	153	TP_STRUCT__entry(
64c796d8	154	__array_text( char, prev_comm, TASK_COMM_LEN )
e5092131	155	__field( pid_t, prev_tid )
f62b389e MD	156	__field( int, prev_prio )
f62b389e MD	157	__field( long, prev_state )
64c796d8	158	__array_text( char, next_comm, TASK_COMM_LEN )
e5092131	159	__field( pid_t, next_tid )
f62b389e MD	160	__field( int, next_prio )
	161	),
	162
	163	TP_fast_assign(
	164	tp_memcpy(next_comm, next->comm, TASK_COMM_LEN)
e5092131	165	tp_assign(prev_tid, prev->pid)
3568c28c	166	tp_assign(prev_prio, prev->prio - MAX_RT_PRIO)
f62b389e MD	167	tp_assign(prev_state, __trace_sched_switch_state(prev))
f62b389e MD	168	tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
e5092131	169	tp_assign(next_tid, next->pid)
3568c28c	170	tp_assign(next_prio, next->prio - MAX_RT_PRIO)
f62b389e MD	171	),
f62b389e MD	172
e5092131 MD	173	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_tid=%d next_prio=%d",
e5092131 MD	174	__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
f62b389e MD	175	__entry->prev_state ?
	176	__print_flags(__entry->prev_state, "\|",
	177	{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
	178	{ 16, "Z" }, { 32, "X" }, { 64, "x" },
	179	{ 128, "W" }) : "R",
e5092131	180	__entry->next_comm, __entry->next_tid, __entry->next_prio)
f62b389e MD	181	)
	182
	183	/*
	184	* Tracepoint for a task being migrated:
	185	*/
	186	TRACE_EVENT(sched_migrate_task,
	187
	188	TP_PROTO(struct task_struct *p, int dest_cpu),
	189
	190	TP_ARGS(p, dest_cpu),
	191
	192	TP_STRUCT__entry(
64c796d8	193	__array_text( char, comm, TASK_COMM_LEN )
e5092131	194	__field( pid_t, tid )
f62b389e MD	195	__field( int, prio )
	196	__field( int, orig_cpu )
	197	__field( int, dest_cpu )
	198	),
	199
	200	TP_fast_assign(
	201	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	202	tp_assign(tid, p->pid)
3568c28c	203	tp_assign(prio, p->prio - MAX_RT_PRIO)
f62b389e MD	204	tp_assign(orig_cpu, task_cpu(p))
	205	tp_assign(dest_cpu, dest_cpu)
	206	),
	207
e5092131 MD	208	TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d",
e5092131 MD	209	__entry->comm, __entry->tid, __entry->prio,
f62b389e MD	210	__entry->orig_cpu, __entry->dest_cpu)
	211	)
	212
	213	DECLARE_EVENT_CLASS(sched_process_template,
	214
	215	TP_PROTO(struct task_struct *p),
	216
	217	TP_ARGS(p),
	218
	219	TP_STRUCT__entry(
64c796d8	220	__array_text( char, comm, TASK_COMM_LEN )
e5092131	221	__field( pid_t, tid )
f62b389e MD	222	__field( int, prio )
	223	),
	224
	225	TP_fast_assign(
	226	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	227	tp_assign(tid, p->pid)
3568c28c	228	tp_assign(prio, p->prio - MAX_RT_PRIO)
f62b389e MD	229	),
f62b389e MD	230
e5092131 MD	231	TP_printk("comm=%s tid=%d prio=%d",
e5092131 MD	232	__entry->comm, __entry->tid, __entry->prio)
f62b389e MD	233	)
	234
	235	/*
	236	* Tracepoint for freeing a task:
	237	*/
	238	DEFINE_EVENT(sched_process_template, sched_process_free,
	239	TP_PROTO(struct task_struct *p),
	240	TP_ARGS(p))
	241
	242
	243	/*
	244	* Tracepoint for a task exiting:
	245	*/
	246	DEFINE_EVENT(sched_process_template, sched_process_exit,
	247	TP_PROTO(struct task_struct *p),
	248	TP_ARGS(p))
	249
	250	/*
	251	* Tracepoint for waiting on task to unschedule:
	252	*/
3a523f5b	253	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	254	DEFINE_EVENT(sched_process_template, sched_wait_task,
	255	TP_PROTO(struct task_struct *p),
	256	TP_ARGS(p))
3a523f5b MD	257	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	258	DEFINE_EVENT(sched_process_template, sched_wait_task,
	259	TP_PROTO(struct rq rq, struct task_struct p),
	260	TP_ARGS(rq, p))
	261	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	262
	263	/*
	264	* Tracepoint for a waiting task:
	265	*/
	266	TRACE_EVENT(sched_process_wait,
	267
	268	TP_PROTO(struct pid *pid),
	269
	270	TP_ARGS(pid),
	271
	272	TP_STRUCT__entry(
64c796d8	273	__array_text( char, comm, TASK_COMM_LEN )
e5092131	274	__field( pid_t, tid )
f62b389e MD	275	__field( int, prio )
	276	),
	277
	278	TP_fast_assign(
	279	tp_memcpy(comm, current->comm, TASK_COMM_LEN)
e5092131	280	tp_assign(tid, pid_nr(pid))
3568c28c	281	tp_assign(prio, current->prio - MAX_RT_PRIO)
f62b389e MD	282	),
f62b389e MD	283
e5092131 MD	284	TP_printk("comm=%s tid=%d prio=%d",
e5092131 MD	285	__entry->comm, __entry->tid, __entry->prio)
f62b389e MD	286	)
	287
	288	/*
	289	* Tracepoint for do_fork:
	290	*/
	291	TRACE_EVENT(sched_process_fork,
	292
	293	TP_PROTO(struct task_struct parent, struct task_struct child),
	294
	295	TP_ARGS(parent, child),
	296
	297	TP_STRUCT__entry(
64c796d8	298	__array_text( char, parent_comm, TASK_COMM_LEN )
e5092131	299	__field( pid_t, parent_tid )
64c796d8	300	__array_text( char, child_comm, TASK_COMM_LEN )
e5092131	301	__field( pid_t, child_tid )
f62b389e MD	302	),
	303
	304	TP_fast_assign(
	305	tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN)
e5092131	306	tp_assign(parent_tid, parent->pid)
f62b389e	307	tp_memcpy(child_comm, child->comm, TASK_COMM_LEN)
e5092131	308	tp_assign(child_tid, child->pid)
f62b389e MD	309	),
f62b389e MD	310
e5092131 MD	311	TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d",
	312	__entry->parent_comm, __entry->parent_tid,
	313	__entry->child_comm, __entry->child_tid)
f62b389e MD	314	)
	315
	316	/*
	317	* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
	318	* adding sched_stat support to SCHED_FIFO/RR would be welcome.
	319	*/
	320	DECLARE_EVENT_CLASS(sched_stat_template,
	321
	322	TP_PROTO(struct task_struct *tsk, u64 delay),
	323
	324	TP_ARGS(tsk, delay),
	325
	326	TP_STRUCT__entry(
64c796d8	327	__array_text( char, comm, TASK_COMM_LEN )
e5092131	328	__field( pid_t, tid )
f62b389e MD	329	__field( u64, delay )
	330	),
	331
	332	TP_fast_assign(
	333	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	334	tp_assign(tid, tsk->pid)
f62b389e MD	335	tp_assign(delay, delay)
	336	)
	337	TP_perf_assign(
	338	__perf_count(delay)
	339	),
	340
e5092131 MD	341	TP_printk("comm=%s tid=%d delay=%Lu [ns]",
e5092131 MD	342	__entry->comm, __entry->tid,
f62b389e MD	343	(unsigned long long)__entry->delay)
	344	)
	345
	346
	347	/*
	348	* Tracepoint for accounting wait time (time the task is runnable
	349	* but not actually running due to scheduler contention).
	350	*/
	351	DEFINE_EVENT(sched_stat_template, sched_stat_wait,
	352	TP_PROTO(struct task_struct *tsk, u64 delay),
	353	TP_ARGS(tsk, delay))
	354
	355	/*
	356	* Tracepoint for accounting sleep time (time the task is not runnable,
	357	* including iowait, see below).
	358	*/
	359	DEFINE_EVENT(sched_stat_template, sched_stat_sleep,
	360	TP_PROTO(struct task_struct *tsk, u64 delay),
	361	TP_ARGS(tsk, delay))
	362
	363	/*
	364	* Tracepoint for accounting iowait time (time the task is not runnable
	365	* due to waiting on IO to complete).
	366	*/
	367	DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
	368	TP_PROTO(struct task_struct *tsk, u64 delay),
	369	TP_ARGS(tsk, delay))
	370
	371	/*
	372	* Tracepoint for accounting runtime (time the task is executing
	373	* on a CPU).
	374	*/
	375	TRACE_EVENT(sched_stat_runtime,
	376
	377	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	378
	379	TP_ARGS(tsk, runtime, vruntime),
	380
	381	TP_STRUCT__entry(
64c796d8	382	__array_text( char, comm, TASK_COMM_LEN )
e5092131	383	__field( pid_t, tid )
f62b389e MD	384	__field( u64, runtime )
	385	__field( u64, vruntime )
	386	),
	387
	388	TP_fast_assign(
	389	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	390	tp_assign(tid, tsk->pid)
f62b389e MD	391	tp_assign(runtime, runtime)
	392	tp_assign(vruntime, vruntime)
	393	)
	394	TP_perf_assign(
	395	__perf_count(runtime)
	396	),
	397
e5092131 MD	398	TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
e5092131 MD	399	__entry->comm, __entry->tid,
f62b389e MD	400	(unsigned long long)__entry->runtime,
	401	(unsigned long long)__entry->vruntime)
	402	)
	403
	404	/*
	405	* Tracepoint for showing priority inheritance modifying a tasks
	406	* priority.
	407	*/
	408	TRACE_EVENT(sched_pi_setprio,
	409
	410	TP_PROTO(struct task_struct *tsk, int newprio),
	411
	412	TP_ARGS(tsk, newprio),
	413
	414	TP_STRUCT__entry(
64c796d8	415	__array_text( char, comm, TASK_COMM_LEN )
e5092131	416	__field( pid_t, tid )
f62b389e MD	417	__field( int, oldprio )
	418	__field( int, newprio )
	419	),
	420
	421	TP_fast_assign(
	422	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	423	tp_assign(tid, tsk->pid)
3568c28c MD	424	tp_assign(oldprio, tsk->prio - MAX_RT_PRIO)
3568c28c MD	425	tp_assign(newprio, newprio - MAX_RT_PRIO)
f62b389e MD	426	),
f62b389e MD	427
e5092131 MD	428	TP_printk("comm=%s tid=%d oldprio=%d newprio=%d",
e5092131 MD	429	__entry->comm, __entry->tid,
f62b389e MD	430	__entry->oldprio, __entry->newprio)
	431	)
	432
	433	#endif /* _TRACE_SCHED_H */
	434
	435	/* This part must be outside protection */
5b88d86e	436	#include "../../../probes/define_trace.h"