[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>
#include <linux/binfmts.h>
#include <linux/version.h>

#ifndef _TRACE_SCHED_DEF_
#define _TRACE_SCHED_DEF_

#if (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)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
		state = TASK_RUNNING | TASK_STATE_MAX;
#else
		state = TASK_RUNNING;
#endif
#endif

	return state;
}

#endif

#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			)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
		__field(	int,	target_cpu		)
#endif
	),

	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)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
		tp_assign(target_cpu, task_cpu(p))
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
	)
	TP_perf_assign(
		__perf_task(p)
#endif
	),

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
	TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d",
		  __entry->comm, __entry->tid, __entry->prio,
		  __entry->success, __entry->target_cpu)
#else
	TP_printk("comm=%s tid=%d prio=%d success=%d",
		  __entry->comm, __entry->tid, __entry->prio,
		  __entry->success)
#endif
)

#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)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
		tp_assign(prev_state, __trace_sched_switch_state(prev))
#else
		tp_assign(prev_state, prev->state)
#endif
		tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
		tp_assign(next_tid, next->pid)
		tp_assign(next_prio, next->prio - MAX_RT_PRIO)
	),

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d",
		__entry->prev_comm, __entry->prev_tid, __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, "W" }) : "R",
		__entry->prev_state & TASK_STATE_MAX ? "+" : "",
		__entry->next_comm, __entry->next_tid, __entry->next_prio)
#else
	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)
#endif
)

/*
 * 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.
 * 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.
 */
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			)
		__field(	pid_t,	parent_pid			)
		__array_text(	char,	child_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	child_tid			)
		__field(	pid_t,	child_pid			)
	),

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

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

#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
/*
 * Tracepoint for sending a signal:
 */
TRACE_EVENT(sched_signal_send,

	TP_PROTO(int sig, struct task_struct *p),

	TP_ARGS(sig, p),

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

	TP_fast_assign(
		tp_memcpy(comm, p->comm, TASK_COMM_LEN)
		tp_assign(pid, p->pid)
		tp_assign(sig, sig)
	),

	TP_printk("sig=%d comm=%s pid=%d",
		__entry->sig, __entry->comm, __entry->pid)
)
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
/*
 * 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,		tid		)
		__field(	pid_t,		old_tid		)
	),

	TP_fast_assign(
		tp_strcpy(filename, bprm->filename)
		tp_assign(tid, p->pid)
		tp_assign(old_tid, old_pid)
	),

	TP_printk("filename=%s tid=%d old_tid=%d", __get_str(filename),
		  __entry->tid, __entry->old_tid)
)
#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.
 */
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))

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

/*
 * 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)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
		__perf_task(tsk)
#endif
	),

	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)
)
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/*
 * 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

#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>
7c68b363 AG	9	#include <linux/binfmts.h>
7c68b363 AG	10	#include <linux/version.h>
f62b389e MD	11
	12	#ifndef _TRACE_SCHED_DEF_
	13	#define _TRACE_SCHED_DEF_
	14
7c68b363 AG	15	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
7c68b363 AG	16
f62b389e MD	17	static inline long __trace_sched_switch_state(struct task_struct *p)
	18	{
	19	long state = p->state;
	20
	21	#ifdef CONFIG_PREEMPT
	22	/*
	23	* For all intents and purposes a preempted task is a running task.
	24	*/
	25	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
7c68b363 AG	26	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
	27	state = TASK_RUNNING \| TASK_STATE_MAX;
	28	#else
f62b389e	29	state = TASK_RUNNING;
7c68b363	30	#endif
f62b389e MD	31	#endif
	32
	33	return state;
	34	}
	35
7c68b363 AG	36	#endif
7c68b363 AG	37
f62b389e MD	38	#endif /* _TRACE_SCHED_DEF_ */
	39
	40	/*
	41	* Tracepoint for calling kthread_stop, performed to end a kthread:
	42	*/
	43	TRACE_EVENT(sched_kthread_stop,
	44
	45	TP_PROTO(struct task_struct *t),
	46
	47	TP_ARGS(t),
	48
	49	TP_STRUCT__entry(
64c796d8	50	__array_text( char, comm, TASK_COMM_LEN )
e5092131	51	__field( pid_t, tid )
f62b389e MD	52	),
	53
	54	TP_fast_assign(
	55	tp_memcpy(comm, t->comm, TASK_COMM_LEN)
e5092131	56	tp_assign(tid, t->pid)
f62b389e MD	57	),
f62b389e MD	58
e5092131	59	TP_printk("comm=%s tid=%d", __entry->comm, __entry->tid)
f62b389e MD	60	)
	61
	62	/*
	63	* Tracepoint for the return value of the kthread stopping:
	64	*/
	65	TRACE_EVENT(sched_kthread_stop_ret,
	66
	67	TP_PROTO(int ret),
	68
	69	TP_ARGS(ret),
	70
	71	TP_STRUCT__entry(
	72	__field( int, ret )
	73	),
	74
	75	TP_fast_assign(
	76	tp_assign(ret, ret)
	77	),
	78
	79	TP_printk("ret=%d", __entry->ret)
	80	)
	81
	82	/*
	83	* Tracepoint for waking up a task:
	84	*/
	85	DECLARE_EVENT_CLASS(sched_wakeup_template,
	86
3a523f5b	87	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	88	TP_PROTO(struct task_struct *p, int success),
	89
	90	TP_ARGS(p, success),
3a523f5b MD	91	#else
	92	TP_PROTO(struct rq rq, struct task_struct p, int success),
	93
	94	TP_ARGS(rq, p, success),
	95	#endif
f62b389e MD	96
f62b389e MD	97	TP_STRUCT__entry(
64c796d8	98	__array_text( char, comm, TASK_COMM_LEN )
e5092131	99	__field( pid_t, tid )
f62b389e MD	100	__field( int, prio )
f62b389e MD	101	__field( int, success )
7c68b363	102	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e	103	__field( int, target_cpu )
7c68b363	104	#endif
f62b389e MD	105	),
	106
	107	TP_fast_assign(
	108	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	109	tp_assign(tid, p->pid)
f62b389e MD	110	tp_assign(prio, p->prio)
f62b389e MD	111	tp_assign(success, success)
7c68b363	112	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e	113	tp_assign(target_cpu, task_cpu(p))
7c68b363 AG	114	#endif
	115	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
	116	)
	117	TP_perf_assign(
	118	__perf_task(p)
	119	#endif
f62b389e MD	120	),
f62b389e MD	121
7c68b363	122	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
e5092131 MD	123	TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d",
e5092131 MD	124	__entry->comm, __entry->tid, __entry->prio,
f62b389e	125	__entry->success, __entry->target_cpu)
7c68b363 AG	126	#else
	127	TP_printk("comm=%s tid=%d prio=%d success=%d",
	128	__entry->comm, __entry->tid, __entry->prio,
	129	__entry->success)
	130	#endif
f62b389e MD	131	)
f62b389e MD	132
3a523f5b MD	133	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3a523f5b MD	134
f62b389e MD	135	DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
	136	TP_PROTO(struct task_struct *p, int success),
	137	TP_ARGS(p, success))
	138
	139	/*
	140	* Tracepoint for waking up a new task:
	141	*/
	142	DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
	143	TP_PROTO(struct task_struct *p, int success),
	144	TP_ARGS(p, success))
	145
3a523f5b MD	146	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	147
	148	DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
	149	TP_PROTO(struct rq rq, struct task_struct p, int success),
	150	TP_ARGS(rq, p, success))
	151
	152	/*
	153	* Tracepoint for waking up a new task:
	154	*/
	155	DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
	156	TP_PROTO(struct rq rq, struct task_struct p, int success),
	157	TP_ARGS(rq, p, success))
	158
	159	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	160
f62b389e MD	161	/*
	162	* Tracepoint for task switches, performed by the scheduler:
	163	*/
	164	TRACE_EVENT(sched_switch,
	165
3a523f5b	166	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	167	TP_PROTO(struct task_struct *prev,
	168	struct task_struct *next),
	169
	170	TP_ARGS(prev, next),
3a523f5b MD	171	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	172	TP_PROTO(struct rq rq, struct task_struct prev,
	173	struct task_struct *next),
	174
	175	TP_ARGS(rq, prev, next),
	176	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	177
f62b389e MD	178	TP_STRUCT__entry(
64c796d8	179	__array_text( char, prev_comm, TASK_COMM_LEN )
e5092131	180	__field( pid_t, prev_tid )
f62b389e MD	181	__field( int, prev_prio )
f62b389e MD	182	__field( long, prev_state )
64c796d8	183	__array_text( char, next_comm, TASK_COMM_LEN )
e5092131	184	__field( pid_t, next_tid )
f62b389e MD	185	__field( int, next_prio )
	186	),
	187
	188	TP_fast_assign(
	189	tp_memcpy(next_comm, next->comm, TASK_COMM_LEN)
e5092131	190	tp_assign(prev_tid, prev->pid)
3568c28c	191	tp_assign(prev_prio, prev->prio - MAX_RT_PRIO)
7c68b363	192	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e	193	tp_assign(prev_state, __trace_sched_switch_state(prev))
7c68b363 AG	194	#else
	195	tp_assign(prev_state, prev->state)
	196	#endif
f62b389e	197	tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
e5092131	198	tp_assign(next_tid, next->pid)
3568c28c	199	tp_assign(next_prio, next->prio - MAX_RT_PRIO)
f62b389e MD	200	),
f62b389e MD	201
7c68b363 AG	202	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
	203	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d",
	204	__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
	205	__entry->prev_state & (TASK_STATE_MAX-1) ?
	206	__print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "\|",
	207	{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
	208	{ 16, "Z" }, { 32, "X" }, { 64, "x" },
	209	{ 128, "W" }) : "R",
	210	__entry->prev_state & TASK_STATE_MAX ? "+" : "",
	211	__entry->next_comm, __entry->next_tid, __entry->next_prio)
	212	#else
e5092131 MD	213	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	214	__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
f62b389e MD	215	__entry->prev_state ?
	216	__print_flags(__entry->prev_state, "\|",
	217	{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
	218	{ 16, "Z" }, { 32, "X" }, { 64, "x" },
	219	{ 128, "W" }) : "R",
e5092131	220	__entry->next_comm, __entry->next_tid, __entry->next_prio)
7c68b363	221	#endif
f62b389e MD	222	)
	223
	224	/*
	225	* Tracepoint for a task being migrated:
	226	*/
	227	TRACE_EVENT(sched_migrate_task,
	228
	229	TP_PROTO(struct task_struct *p, int dest_cpu),
	230
	231	TP_ARGS(p, dest_cpu),
	232
	233	TP_STRUCT__entry(
64c796d8	234	__array_text( char, comm, TASK_COMM_LEN )
e5092131	235	__field( pid_t, tid )
f62b389e MD	236	__field( int, prio )
	237	__field( int, orig_cpu )
	238	__field( int, dest_cpu )
	239	),
	240
	241	TP_fast_assign(
	242	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	243	tp_assign(tid, p->pid)
3568c28c	244	tp_assign(prio, p->prio - MAX_RT_PRIO)
f62b389e MD	245	tp_assign(orig_cpu, task_cpu(p))
	246	tp_assign(dest_cpu, dest_cpu)
	247	),
	248
e5092131 MD	249	TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d",
e5092131 MD	250	__entry->comm, __entry->tid, __entry->prio,
f62b389e MD	251	__entry->orig_cpu, __entry->dest_cpu)
	252	)
	253
	254	DECLARE_EVENT_CLASS(sched_process_template,
	255
	256	TP_PROTO(struct task_struct *p),
	257
	258	TP_ARGS(p),
	259
	260	TP_STRUCT__entry(
64c796d8	261	__array_text( char, comm, TASK_COMM_LEN )
e5092131	262	__field( pid_t, tid )
f62b389e MD	263	__field( int, prio )
	264	),
	265
	266	TP_fast_assign(
	267	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	268	tp_assign(tid, p->pid)
3568c28c	269	tp_assign(prio, p->prio - MAX_RT_PRIO)
f62b389e MD	270	),
f62b389e MD	271
e5092131 MD	272	TP_printk("comm=%s tid=%d prio=%d",
e5092131 MD	273	__entry->comm, __entry->tid, __entry->prio)
f62b389e MD	274	)
	275
	276	/*
	277	* Tracepoint for freeing a task:
	278	*/
	279	DEFINE_EVENT(sched_process_template, sched_process_free,
	280	TP_PROTO(struct task_struct *p),
	281	TP_ARGS(p))
	282
	283
	284	/*
	285	* Tracepoint for a task exiting:
	286	*/
	287	DEFINE_EVENT(sched_process_template, sched_process_exit,
	288	TP_PROTO(struct task_struct *p),
	289	TP_ARGS(p))
	290
	291	/*
	292	* Tracepoint for waiting on task to unschedule:
	293	*/
3a523f5b	294	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	295	DEFINE_EVENT(sched_process_template, sched_wait_task,
	296	TP_PROTO(struct task_struct *p),
	297	TP_ARGS(p))
3a523f5b MD	298	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	299	DEFINE_EVENT(sched_process_template, sched_wait_task,
	300	TP_PROTO(struct rq rq, struct task_struct p),
	301	TP_ARGS(rq, p))
	302	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	303
	304	/*
	305	* Tracepoint for a waiting task:
	306	*/
	307	TRACE_EVENT(sched_process_wait,
	308
	309	TP_PROTO(struct pid *pid),
	310
	311	TP_ARGS(pid),
	312
	313	TP_STRUCT__entry(
64c796d8	314	__array_text( char, comm, TASK_COMM_LEN )
e5092131	315	__field( pid_t, tid )
f62b389e MD	316	__field( int, prio )
	317	),
	318
	319	TP_fast_assign(
	320	tp_memcpy(comm, current->comm, TASK_COMM_LEN)
e5092131	321	tp_assign(tid, pid_nr(pid))
3568c28c	322	tp_assign(prio, current->prio - MAX_RT_PRIO)
f62b389e MD	323	),
f62b389e MD	324
e5092131 MD	325	TP_printk("comm=%s tid=%d prio=%d",
e5092131 MD	326	__entry->comm, __entry->tid, __entry->prio)
f62b389e MD	327	)
	328
	329	/*
79b18ef7 MD	330	* Tracepoint for do_fork.
	331	* Saving both TID and PID information, especially for the child, allows
	332	* trace analyzers to distinguish between creation of a new process and
	333	* creation of a new thread. Newly created processes will have child_tid
	334	* == child_pid, while creation of a thread yields to child_tid !=
	335	* child_pid.
f62b389e MD	336	*/
	337	TRACE_EVENT(sched_process_fork,
	338
	339	TP_PROTO(struct task_struct parent, struct task_struct child),
	340
	341	TP_ARGS(parent, child),
	342
	343	TP_STRUCT__entry(
64c796d8	344	__array_text( char, parent_comm, TASK_COMM_LEN )
e5092131	345	__field( pid_t, parent_tid )
79b18ef7	346	__field( pid_t, parent_pid )
64c796d8	347	__array_text( char, child_comm, TASK_COMM_LEN )
e5092131	348	__field( pid_t, child_tid )
79b18ef7	349	__field( pid_t, child_pid )
f62b389e MD	350	),
	351
	352	TP_fast_assign(
	353	tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN)
e5092131	354	tp_assign(parent_tid, parent->pid)
79b18ef7	355	tp_assign(parent_pid, parent->tgid)
f62b389e	356	tp_memcpy(child_comm, child->comm, TASK_COMM_LEN)
e5092131	357	tp_assign(child_tid, child->pid)
79b18ef7	358	tp_assign(child_pid, child->tgid)
f62b389e MD	359	),
f62b389e MD	360
e5092131 MD	361	TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d",
	362	__entry->parent_comm, __entry->parent_tid,
	363	__entry->child_comm, __entry->child_tid)
f62b389e MD	364	)
f62b389e MD	365
7c68b363 AG	366	#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
	367	/*
	368	* Tracepoint for sending a signal:
	369	*/
	370	TRACE_EVENT(sched_signal_send,
	371
	372	TP_PROTO(int sig, struct task_struct *p),
	373
	374	TP_ARGS(sig, p),
	375
	376	TP_STRUCT__entry(
	377	__field( int, sig )
	378	__array( char, comm, TASK_COMM_LEN )
	379	__field( pid_t, pid )
	380	),
	381
	382	TP_fast_assign(
	383	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
	384	tp_assign(pid, p->pid)
	385	tp_assign(sig, sig)
	386	),
	387
	388	TP_printk("sig=%d comm=%s pid=%d",
	389	__entry->sig, __entry->comm, __entry->pid)
	390	)
	391	#endif
	392
c94b2508	393	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
46142a81 PW	394	/*
	395	* Tracepoint for exec:
	396	*/
	397	TRACE_EVENT(sched_process_exec,
	398
	399	TP_PROTO(struct task_struct *p, pid_t old_pid,
	400	struct linux_binprm *bprm),
	401
	402	TP_ARGS(p, old_pid, bprm),
	403
	404	TP_STRUCT__entry(
	405	__string( filename, bprm->filename )
e7b0901e AG	406	__field( pid_t, tid )
e7b0901e AG	407	__field( pid_t, old_tid )
46142a81 PW	408	),
	409
	410	TP_fast_assign(
	411	tp_strcpy(filename, bprm->filename)
e7b0901e AG	412	tp_assign(tid, p->pid)
e7b0901e AG	413	tp_assign(old_tid, old_pid)
46142a81 PW	414	),
46142a81 PW	415
e7b0901e AG	416	TP_printk("filename=%s tid=%d old_tid=%d", __get_str(filename),
e7b0901e AG	417	__entry->tid, __entry->old_tid)
46142a81	418	)
c94b2508	419	#endif
46142a81	420
7c68b363	421	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e MD	422	/*
	423	* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
	424	* adding sched_stat support to SCHED_FIFO/RR would be welcome.
	425	*/
	426	DECLARE_EVENT_CLASS(sched_stat_template,
	427
	428	TP_PROTO(struct task_struct *tsk, u64 delay),
	429
	430	TP_ARGS(tsk, delay),
	431
	432	TP_STRUCT__entry(
64c796d8	433	__array_text( char, comm, TASK_COMM_LEN )
e5092131	434	__field( pid_t, tid )
f62b389e MD	435	__field( u64, delay )
	436	),
	437
	438	TP_fast_assign(
	439	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	440	tp_assign(tid, tsk->pid)
f62b389e MD	441	tp_assign(delay, delay)
	442	)
	443	TP_perf_assign(
	444	__perf_count(delay)
	445	),
	446
e5092131 MD	447	TP_printk("comm=%s tid=%d delay=%Lu [ns]",
e5092131 MD	448	__entry->comm, __entry->tid,
f62b389e MD	449	(unsigned long long)__entry->delay)
	450	)
	451
	452
	453	/*
	454	* Tracepoint for accounting wait time (time the task is runnable
	455	* but not actually running due to scheduler contention).
	456	*/
	457	DEFINE_EVENT(sched_stat_template, sched_stat_wait,
	458	TP_PROTO(struct task_struct *tsk, u64 delay),
	459	TP_ARGS(tsk, delay))
	460
	461	/*
	462	* Tracepoint for accounting sleep time (time the task is not runnable,
	463	* including iowait, see below).
	464	*/
	465	DEFINE_EVENT(sched_stat_template, sched_stat_sleep,
	466	TP_PROTO(struct task_struct *tsk, u64 delay),
	467	TP_ARGS(tsk, delay))
	468
	469	/*
	470	* Tracepoint for accounting iowait time (time the task is not runnable
	471	* due to waiting on IO to complete).
	472	*/
	473	DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
	474	TP_PROTO(struct task_struct *tsk, u64 delay),
	475	TP_ARGS(tsk, delay))
	476
7c68b363 AG	477	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
	478	/*
	479	* Tracepoint for accounting blocked time (time the task is in uninterruptible).
	480	*/
	481	DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
	482	TP_PROTO(struct task_struct *tsk, u64 delay),
	483	TP_ARGS(tsk, delay))
	484	#endif
	485
f62b389e MD	486	/*
	487	* Tracepoint for accounting runtime (time the task is executing
	488	* on a CPU).
	489	*/
	490	TRACE_EVENT(sched_stat_runtime,
	491
	492	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	493
	494	TP_ARGS(tsk, runtime, vruntime),
	495
	496	TP_STRUCT__entry(
64c796d8	497	__array_text( char, comm, TASK_COMM_LEN )
e5092131	498	__field( pid_t, tid )
f62b389e MD	499	__field( u64, runtime )
	500	__field( u64, vruntime )
	501	),
	502
	503	TP_fast_assign(
	504	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	505	tp_assign(tid, tsk->pid)
f62b389e MD	506	tp_assign(runtime, runtime)
	507	tp_assign(vruntime, vruntime)
	508	)
	509	TP_perf_assign(
	510	__perf_count(runtime)
7c68b363 AG	511	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
	512	__perf_task(tsk)
	513	#endif
f62b389e MD	514	),
f62b389e MD	515
e5092131 MD	516	TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
e5092131 MD	517	__entry->comm, __entry->tid,
f62b389e MD	518	(unsigned long long)__entry->runtime,
	519	(unsigned long long)__entry->vruntime)
	520	)
7c68b363	521	#endif
f62b389e	522
7c68b363	523	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
f62b389e MD	524	/*
	525	* Tracepoint for showing priority inheritance modifying a tasks
	526	* priority.
	527	*/
	528	TRACE_EVENT(sched_pi_setprio,
	529
	530	TP_PROTO(struct task_struct *tsk, int newprio),
	531
	532	TP_ARGS(tsk, newprio),
	533
	534	TP_STRUCT__entry(
64c796d8	535	__array_text( char, comm, TASK_COMM_LEN )
e5092131	536	__field( pid_t, tid )
f62b389e MD	537	__field( int, oldprio )
	538	__field( int, newprio )
	539	),
	540
	541	TP_fast_assign(
	542	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	543	tp_assign(tid, tsk->pid)
3568c28c MD	544	tp_assign(oldprio, tsk->prio - MAX_RT_PRIO)
3568c28c MD	545	tp_assign(newprio, newprio - MAX_RT_PRIO)
f62b389e MD	546	),
f62b389e MD	547
e5092131 MD	548	TP_printk("comm=%s tid=%d oldprio=%d newprio=%d",
e5092131 MD	549	__entry->comm, __entry->tid,
f62b389e MD	550	__entry->oldprio, __entry->newprio)
f62b389e MD	551	)
7c68b363	552	#endif
f62b389e MD	553
	554	#endif /* _TRACE_SCHED_H */
	555
	556	/* This part must be outside protection */
5b88d86e	557	#include "../../../probes/define_trace.h"