[linux-2.6-block.git] / include / trace / events / 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>
#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)
);

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

	TP_PROTO(struct task_struct *p, int success),

	TP_ARGS(__perf_task(p), success),

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

	TP_fast_assign(
		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
		__entry->pid		= p->pid;
		__entry->prio		= p->prio;
		__entry->success	= success;
		__entry->target_cpu	= task_cpu(p);
	),

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

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));

#ifdef CREATE_TRACE_POINTS
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;
}
#endif

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

	TP_PROTO(struct task_struct *prev,
		 struct task_struct *next),

	TP_ARGS(prev, next),

	TP_STRUCT__entry(
		__array(	char,	prev_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	prev_pid			)
		__field(	int,	prev_prio			)
		__field(	long,	prev_state			)
		__array(	char,	next_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	next_pid			)
		__field(	int,	next_prio			)
	),

	TP_fast_assign(
		memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
		__entry->prev_pid	= prev->pid;
		__entry->prev_prio	= prev->prio;
		__entry->prev_state	= __trace_sched_switch_state(prev);
		memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
		__entry->next_pid	= next->pid;
		__entry->next_prio	= next->prio;
	),

	TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
		__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
		__entry->prev_state & (TASK_STATE_MAX-1) ?
		  __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|",
				{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
				{ 16, "Z" }, { 32, "X" }, { 64, "x" },
				{ 128, "K" }, { 256, "W" }, { 512, "P" }) : "R",
		__entry->prev_state & TASK_STATE_MAX ? "+" : "",
		__entry->next_comm, __entry->next_pid, __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(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	pid			)
		__field(	int,	prio			)
		__field(	int,	orig_cpu		)
		__field(	int,	dest_cpu		)
	),

	TP_fast_assign(
		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
		__entry->pid		= p->pid;
		__entry->prio		= p->prio;
		__entry->orig_cpu	= task_cpu(p);
		__entry->dest_cpu	= dest_cpu;
	),

	TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
		  __entry->comm, __entry->pid, __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(	char,	comm,	TASK_COMM_LEN	)
		__field(	pid_t,	pid			)
		__field(	int,	prio			)
	),

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

	TP_printk("comm=%s pid=%d prio=%d",
		  __entry->comm, __entry->pid, __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:
 */
DEFINE_EVENT(sched_process_template, sched_wait_task,
	TP_PROTO(struct task_struct *p),
	TP_ARGS(p));

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

	TP_PROTO(struct pid *pid),

	TP_ARGS(pid),

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

	TP_fast_assign(
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
		__entry->pid		= pid_nr(pid);
		__entry->prio		= current->prio;
	),

	TP_printk("comm=%s pid=%d prio=%d",
		  __entry->comm, __entry->pid, __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(	char,	parent_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	parent_pid			)
		__array(	char,	child_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	child_pid			)
	),

	TP_fast_assign(
		memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
		__entry->parent_pid	= parent->pid;
		memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
		__entry->child_pid	= child->pid;
	),

	TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
		__entry->parent_comm, __entry->parent_pid,
		__entry->child_comm, __entry->child_pid)
);

/*
 * Tracepoint for exec:
 */
TRACE_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_STRUCT__entry(
		__string(	filename,	bprm->filename	)
		__field(	pid_t,		pid		)
		__field(	pid_t,		old_pid		)
	),

	TP_fast_assign(
		__assign_str(filename, bprm->filename);
		__entry->pid		= p->pid;
		__entry->old_pid	= old_pid;
	),

	TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
		  __entry->pid, __entry->old_pid)
);

/*
 * 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(__perf_task(tsk), __perf_count(delay)),

	TP_STRUCT__entry(
		__array( char,	comm,	TASK_COMM_LEN	)
		__field( pid_t,	pid			)
		__field( u64,	delay			)
	),

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

	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
			__entry->comm, __entry->pid,
			(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 blocked time (time the task is in uninterruptible).
 */
DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
	     TP_PROTO(struct task_struct *tsk, u64 delay),
	     TP_ARGS(tsk, delay));

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

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

	TP_ARGS(tsk, __perf_count(runtime), vruntime),

	TP_STRUCT__entry(
		__array( char,	comm,	TASK_COMM_LEN	)
		__field( pid_t,	pid			)
		__field( u64,	runtime			)
		__field( u64,	vruntime			)
	),

	TP_fast_assign(
		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
		__entry->pid		= tsk->pid;
		__entry->runtime	= runtime;
		__entry->vruntime	= vruntime;
	),

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

DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
	     TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	     TP_ARGS(tsk, runtime, 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( char,	comm,	TASK_COMM_LEN	)
		__field( pid_t,	pid			)
		__field( int,	oldprio			)
		__field( int,	newprio			)
	),

	TP_fast_assign(
		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
		__entry->pid		= tsk->pid;
		__entry->oldprio	= tsk->prio;
		__entry->newprio	= newprio;
	),

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

#ifdef CONFIG_DETECT_HUNG_TASK
TRACE_EVENT(sched_process_hang,
	TP_PROTO(struct task_struct *tsk),
	TP_ARGS(tsk),

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

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

	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
);
#endif /* CONFIG_DETECT_HUNG_TASK */

#endif /* _TRACE_SCHED_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
d0b6e04a LZ	1	#undef TRACE_SYSTEM
	2	#define TRACE_SYSTEM sched
	3
ea20d929	4	#if !defined(_TRACE_SCHED_H) \|\| defined(TRACE_HEADER_MULTI_READ)
0a16b607 MD	5	#define _TRACE_SCHED_H
	6
	7	#include <linux/sched.h>
	8	#include <linux/tracepoint.h>
4ff16c25	9	#include <linux/binfmts.h>
0a16b607	10
ea20d929 SR	11	/*
	12	* Tracepoint for calling kthread_stop, performed to end a kthread:
	13	*/
	14	TRACE_EVENT(sched_kthread_stop,
	15
	16	TP_PROTO(struct task_struct *t),
	17
	18	TP_ARGS(t),
	19
	20	TP_STRUCT__entry(
	21	__array( char, comm, TASK_COMM_LEN )
	22	__field( pid_t, pid )
	23	),
	24
	25	TP_fast_assign(
	26	memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
	27	__entry->pid = t->pid;
	28	),
	29
434a83c3	30	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
ea20d929 SR	31	);
	32
	33	/*
	34	* Tracepoint for the return value of the kthread stopping:
	35	*/
	36	TRACE_EVENT(sched_kthread_stop_ret,
	37
	38	TP_PROTO(int ret),
	39
	40	TP_ARGS(ret),
	41
	42	TP_STRUCT__entry(
	43	__field( int, ret )
	44	),
	45
	46	TP_fast_assign(
	47	__entry->ret = ret;
	48	),
	49
434a83c3	50	TP_printk("ret=%d", __entry->ret)
ea20d929 SR	51	);
ea20d929 SR	52
ea20d929 SR	53	/*
ea20d929 SR	54	* Tracepoint for waking up a task:
ea20d929	55	*/
091ad365	56	DECLARE_EVENT_CLASS(sched_wakeup_template,
ea20d929	57
27a9da65	58	TP_PROTO(struct task_struct *p, int success),
ea20d929	59
12473965	60	TP_ARGS(__perf_task(p), success),
ea20d929 SR	61
	62	TP_STRUCT__entry(
	63	__array( char, comm, TASK_COMM_LEN )
	64	__field( pid_t, pid )
	65	__field( int, prio )
	66	__field( int, success )
434a83c3	67	__field( int, target_cpu )
ea20d929 SR	68	),
	69
	70	TP_fast_assign(
	71	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	72	__entry->pid = p->pid;
	73	__entry->prio = p->prio;
	74	__entry->success = success;
434a83c3	75	__entry->target_cpu = task_cpu(p);
ea20d929 SR	76	),
ea20d929 SR	77
434a83c3	78	TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d",
ea20d929	79	__entry->comm, __entry->pid, __entry->prio,
434a83c3	80	__entry->success, __entry->target_cpu)
ea20d929 SR	81	);
ea20d929 SR	82
75ec29ab	83	DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
27a9da65 PZ	84	TP_PROTO(struct task_struct *p, int success),
27a9da65 PZ	85	TP_ARGS(p, success));
75ec29ab	86
ea20d929 SR	87	/*
ea20d929 SR	88	* Tracepoint for waking up a new task:
ea20d929	89	*/
75ec29ab	90	DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
27a9da65 PZ	91	TP_PROTO(struct task_struct *p, int success),
27a9da65 PZ	92	TP_ARGS(p, success));
ea20d929	93
02f72694 PZ	94	#ifdef CREATE_TRACE_POINTS
	95	static inline long __trace_sched_switch_state(struct task_struct *p)
	96	{
	97	long state = p->state;
	98
	99	#ifdef CONFIG_PREEMPT
	100	/*
	101	* For all intents and purposes a preempted task is a running task.
	102	*/
01028747	103	if (task_preempt_count(p) & PREEMPT_ACTIVE)
557ab425	104	state = TASK_RUNNING \| TASK_STATE_MAX;
02f72694 PZ	105	#endif
	106
	107	return state;
	108	}
	109	#endif
	110
ea20d929 SR	111	/*
ea20d929 SR	112	* Tracepoint for task switches, performed by the scheduler:
ea20d929 SR	113	*/
	114	TRACE_EVENT(sched_switch,
	115
27a9da65	116	TP_PROTO(struct task_struct *prev,
ea20d929 SR	117	struct task_struct *next),
ea20d929 SR	118
27a9da65	119	TP_ARGS(prev, next),
ea20d929 SR	120
	121	TP_STRUCT__entry(
	122	__array( char, prev_comm, TASK_COMM_LEN )
	123	__field( pid_t, prev_pid )
	124	__field( int, prev_prio )
937cdb9d	125	__field( long, prev_state )
ea20d929 SR	126	__array( char, next_comm, TASK_COMM_LEN )
	127	__field( pid_t, next_pid )
	128	__field( int, next_prio )
	129	),
	130
	131	TP_fast_assign(
	132	memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
	133	__entry->prev_pid = prev->pid;
	134	__entry->prev_prio = prev->prio;
02f72694	135	__entry->prev_state = __trace_sched_switch_state(prev);
ea20d929 SR	136	memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
	137	__entry->next_pid = next->pid;
	138	__entry->next_prio = next->prio;
	139	),
	140
557ab425	141	TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d",
ea20d929	142	__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
557ab425 PZ	143	__entry->prev_state & (TASK_STATE_MAX-1) ?
557ab425 PZ	144	__print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "\|",
937cdb9d SR	145	{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
937cdb9d SR	146	{ 16, "Z" }, { 32, "X" }, { 64, "x" },
f2530dc7	147	{ 128, "K" }, { 256, "W" }, { 512, "P" }) : "R",
557ab425	148	__entry->prev_state & TASK_STATE_MAX ? "+" : "",
ea20d929 SR	149	__entry->next_comm, __entry->next_pid, __entry->next_prio)
	150	);
	151
	152	/*
	153	* Tracepoint for a task being migrated:
	154	*/
	155	TRACE_EVENT(sched_migrate_task,
	156
de1d7286	157	TP_PROTO(struct task_struct *p, int dest_cpu),
ea20d929	158
de1d7286	159	TP_ARGS(p, dest_cpu),
ea20d929 SR	160
	161	TP_STRUCT__entry(
	162	__array( char, comm, TASK_COMM_LEN )
	163	__field( pid_t, pid )
	164	__field( int, prio )
	165	__field( int, orig_cpu )
	166	__field( int, dest_cpu )
	167	),
	168
	169	TP_fast_assign(
	170	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	171	__entry->pid = p->pid;
	172	__entry->prio = p->prio;
de1d7286	173	__entry->orig_cpu = task_cpu(p);
ea20d929 SR	174	__entry->dest_cpu = dest_cpu;
	175	),
	176
434a83c3	177	TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
ea20d929 SR	178	__entry->comm, __entry->pid, __entry->prio,
	179	__entry->orig_cpu, __entry->dest_cpu)
	180	);
	181
091ad365	182	DECLARE_EVENT_CLASS(sched_process_template,
ea20d929 SR	183
	184	TP_PROTO(struct task_struct *p),
	185
	186	TP_ARGS(p),
	187
	188	TP_STRUCT__entry(
	189	__array( char, comm, TASK_COMM_LEN )
	190	__field( pid_t, pid )
	191	__field( int, prio )
	192	),
	193
	194	TP_fast_assign(
	195	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	196	__entry->pid = p->pid;
	197	__entry->prio = p->prio;
	198	),
	199
434a83c3	200	TP_printk("comm=%s pid=%d prio=%d",
ea20d929 SR	201	__entry->comm, __entry->pid, __entry->prio)
	202	);
	203
	204	/*
75ec29ab	205	* Tracepoint for freeing a task:
ea20d929	206	*/
75ec29ab SR	207	DEFINE_EVENT(sched_process_template, sched_process_free,
	208	TP_PROTO(struct task_struct *p),
	209	TP_ARGS(p));
	210
ea20d929	211
75ec29ab SR	212	/*
	213	* Tracepoint for a task exiting:
	214	*/
	215	DEFINE_EVENT(sched_process_template, sched_process_exit,
	216	TP_PROTO(struct task_struct *p),
	217	TP_ARGS(p));
ea20d929	218
210f7669 LZ	219	/*
	220	* Tracepoint for waiting on task to unschedule:
	221	*/
	222	DEFINE_EVENT(sched_process_template, sched_wait_task,
	223	TP_PROTO(struct task_struct *p),
	224	TP_ARGS(p));
	225
ea20d929 SR	226	/*
	227	* Tracepoint for a waiting task:
	228	*/
	229	TRACE_EVENT(sched_process_wait,
	230
	231	TP_PROTO(struct pid *pid),
	232
	233	TP_ARGS(pid),
	234
	235	TP_STRUCT__entry(
	236	__array( char, comm, TASK_COMM_LEN )
	237	__field( pid_t, pid )
	238	__field( int, prio )
	239	),
	240
	241	TP_fast_assign(
	242	memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	243	__entry->pid = pid_nr(pid);
	244	__entry->prio = current->prio;
	245	),
	246
434a83c3	247	TP_printk("comm=%s pid=%d prio=%d",
ea20d929 SR	248	__entry->comm, __entry->pid, __entry->prio)
	249	);
	250
	251	/*
	252	* Tracepoint for do_fork:
	253	*/
	254	TRACE_EVENT(sched_process_fork,
	255
	256	TP_PROTO(struct task_struct parent, struct task_struct child),
	257
	258	TP_ARGS(parent, child),
	259
	260	TP_STRUCT__entry(
	261	__array( char, parent_comm, TASK_COMM_LEN )
	262	__field( pid_t, parent_pid )
	263	__array( char, child_comm, TASK_COMM_LEN )
	264	__field( pid_t, child_pid )
	265	),
	266
	267	TP_fast_assign(
	268	memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
	269	__entry->parent_pid = parent->pid;
	270	memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
	271	__entry->child_pid = child->pid;
	272	),
	273
434a83c3	274	TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
ea20d929 SR	275	__entry->parent_comm, __entry->parent_pid,
	276	__entry->child_comm, __entry->child_pid)
	277	);
	278
4ff16c25 DS	279	/*
	280	* Tracepoint for exec:
	281	*/
	282	TRACE_EVENT(sched_process_exec,
	283
	284	TP_PROTO(struct task_struct *p, pid_t old_pid,
	285	struct linux_binprm *bprm),
	286
	287	TP_ARGS(p, old_pid, bprm),
	288
	289	TP_STRUCT__entry(
	290	__string( filename, bprm->filename )
	291	__field( pid_t, pid )
	292	__field( pid_t, old_pid )
	293	),
	294
	295	TP_fast_assign(
	296	__assign_str(filename, bprm->filename);
	297	__entry->pid = p->pid;
6308191f	298	__entry->old_pid = old_pid;
4ff16c25 DS	299	),
	300
	301	TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
	302	__entry->pid, __entry->old_pid)
	303	);
	304
768d0c27 PZ	305	/*
	306	* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
	307	* adding sched_stat support to SCHED_FIFO/RR would be welcome.
	308	*/
091ad365	309	DECLARE_EVENT_CLASS(sched_stat_template,
768d0c27 PZ	310
	311	TP_PROTO(struct task_struct *tsk, u64 delay),
	312
12473965	313	TP_ARGS(__perf_task(tsk), __perf_count(delay)),
768d0c27 PZ	314
	315	TP_STRUCT__entry(
	316	__array( char, comm, TASK_COMM_LEN )
	317	__field( pid_t, pid )
	318	__field( u64, delay )
	319	),
	320
	321	TP_fast_assign(
	322	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
	323	__entry->pid = tsk->pid;
	324	__entry->delay = delay;
768d0c27 PZ	325	),
768d0c27 PZ	326
434a83c3	327	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
768d0c27 PZ	328	__entry->comm, __entry->pid,
	329	(unsigned long long)__entry->delay)
	330	);
	331
75ec29ab SR	332
	333	/*
	334	* Tracepoint for accounting wait time (time the task is runnable
	335	* but not actually running due to scheduler contention).
	336	*/
	337	DEFINE_EVENT(sched_stat_template, sched_stat_wait,
	338	TP_PROTO(struct task_struct *tsk, u64 delay),
	339	TP_ARGS(tsk, delay));
	340
	341	/*
	342	* Tracepoint for accounting sleep time (time the task is not runnable,
	343	* including iowait, see below).
	344	*/
470dda74 LZ	345	DEFINE_EVENT(sched_stat_template, sched_stat_sleep,
	346	TP_PROTO(struct task_struct *tsk, u64 delay),
	347	TP_ARGS(tsk, delay));
75ec29ab SR	348
	349	/*
	350	* Tracepoint for accounting iowait time (time the task is not runnable
	351	* due to waiting on IO to complete).
	352	*/
470dda74 LZ	353	DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
	354	TP_PROTO(struct task_struct *tsk, u64 delay),
	355	TP_ARGS(tsk, delay));
75ec29ab	356
b781a602 AV	357	/*
	358	* Tracepoint for accounting blocked time (time the task is in uninterruptible).
	359	*/
	360	DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
	361	TP_PROTO(struct task_struct *tsk, u64 delay),
	362	TP_ARGS(tsk, delay));
	363
f977bb49 IM	364	/*
	365	* Tracepoint for accounting runtime (time the task is executing
	366	* on a CPU).
	367	*/
36009d07	368	DECLARE_EVENT_CLASS(sched_stat_runtime,
f977bb49 IM	369
	370	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	371
12473965	372	TP_ARGS(tsk, __perf_count(runtime), vruntime),
f977bb49 IM	373
	374	TP_STRUCT__entry(
	375	__array( char, comm, TASK_COMM_LEN )
	376	__field( pid_t, pid )
	377	__field( u64, runtime )
	378	__field( u64, vruntime )
	379	),
	380
	381	TP_fast_assign(
	382	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
	383	__entry->pid = tsk->pid;
	384	__entry->runtime = runtime;
	385	__entry->vruntime = vruntime;
f977bb49 IM	386	),
f977bb49 IM	387
434a83c3	388	TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
f977bb49 IM	389	__entry->comm, __entry->pid,
	390	(unsigned long long)__entry->runtime,
	391	(unsigned long long)__entry->vruntime)
	392	);
	393
36009d07 ON	394	DEFINE_EVENT(sched_stat_runtime, sched_stat_runtime,
	395	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	396	TP_ARGS(tsk, runtime, vruntime));
	397
a8027073 SR	398	/*
	399	* Tracepoint for showing priority inheritance modifying a tasks
	400	* priority.
	401	*/
	402	TRACE_EVENT(sched_pi_setprio,
	403
	404	TP_PROTO(struct task_struct *tsk, int newprio),
	405
	406	TP_ARGS(tsk, newprio),
	407
	408	TP_STRUCT__entry(
	409	__array( char, comm, TASK_COMM_LEN )
	410	__field( pid_t, pid )
	411	__field( int, oldprio )
	412	__field( int, newprio )
	413	),
	414
	415	TP_fast_assign(
	416	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
	417	__entry->pid = tsk->pid;
	418	__entry->oldprio = tsk->prio;
	419	__entry->newprio = newprio;
	420	),
	421
	422	TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
	423	__entry->comm, __entry->pid,
	424	__entry->oldprio, __entry->newprio)
	425	);
	426
6a716c90 ON	427	#ifdef CONFIG_DETECT_HUNG_TASK
	428	TRACE_EVENT(sched_process_hang,
	429	TP_PROTO(struct task_struct *tsk),
	430	TP_ARGS(tsk),
	431
	432	TP_STRUCT__entry(
	433	__array( char, comm, TASK_COMM_LEN )
	434	__field( pid_t, pid )
	435	),
	436
	437	TP_fast_assign(
	438	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
	439	__entry->pid = tsk->pid;
	440	),
	441
	442	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
	443	);
	444	#endif /* CONFIG_DETECT_HUNG_TASK */
	445
ea20d929	446	#endif /* _TRACE_SCHED_H */
a8d154b0 SR	447
	448	/* This part must be outside protection */
	449	#include <trace/define_trace.h>