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

#undef TRACE_SYSTEM
#define TRACE_SYSTEM sched

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

#include "../../../probes/lttng-tracepoint-event.h"
#include <linux/sched.h>
#include <linux/binfmts.h>
#include <linux/version.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
#include <linux/sched/rt.h>
#endif

#ifndef _TRACE_SCHED_DEF_
#define _TRACE_SCHED_DEF_

#if (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;
}

#elif (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)
		state = TASK_RUNNING;
#endif

	return state;
}

#endif

#endif /* _TRACE_SCHED_DEF_ */

/*
 * 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_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:
 */
LTTNG_TRACEPOINT_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:
 */
LTTNG_TRACEPOINT_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))

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))

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

LTTNG_TRACEPOINT_EVENT_INSTANCE(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:
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(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:
 */
LTTNG_TRACEPOINT_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:
 */
LTTNG_TRACEPOINT_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)
)

LTTNG_TRACEPOINT_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:
 */
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:
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
LTTNG_TRACEPOINT_EVENT_INSTANCE(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)) */
LTTNG_TRACEPOINT_EVENT_INSTANCE(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:
 */
LTTNG_TRACEPOINT_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.
 */
LTTNG_TRACEPOINT_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:
 */
LTTNG_TRACEPOINT_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:
 */
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_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.
 */
LTTNG_TRACEPOINT_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).
 */
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_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.
 */
LTTNG_TRACEPOINT_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 /* LTTNG_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
3bc29f0a MD	4	#if !defined(LTTNG_TRACE_SCHED_H) \|\| defined(TRACE_HEADER_MULTI_READ)
3bc29f0a MD	5	#define LTTNG_TRACE_SCHED_H
f62b389e	6
3bc29f0a	7	#include "../../../probes/lttng-tracepoint-event.h"
f62b389e	8	#include <linux/sched.h>
7c68b363 AG	9	#include <linux/binfmts.h>
7c68b363 AG	10	#include <linux/version.h>
090db00e MJ	11	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
	12	#include <linux/sched/rt.h>
	13	#endif
f62b389e MD	14
	15	#ifndef _TRACE_SCHED_DEF_
	16	#define _TRACE_SCHED_DEF_
	17
33673ee7 MD	18	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
	19
	20	static inline long __trace_sched_switch_state(struct task_struct *p)
	21	{
	22	long state = p->state;
	23
	24	#ifdef CONFIG_PREEMPT
	25	/*
	26	* For all intents and purposes a preempted task is a running task.
	27	*/
	28	if (task_preempt_count(p) & PREEMPT_ACTIVE)
	29	state = TASK_RUNNING \| TASK_STATE_MAX;
	30	#endif
	31
	32	return state;
	33	}
	34
	35	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
7c68b363	36
f62b389e MD	37	static inline long __trace_sched_switch_state(struct task_struct *p)
	38	{
	39	long state = p->state;
	40
	41	#ifdef CONFIG_PREEMPT
	42	/*
	43	* For all intents and purposes a preempted task is a running task.
	44	*/
	45	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
7c68b363	46	state = TASK_RUNNING \| TASK_STATE_MAX;
7c68b363	47	#endif
33673ee7 MD	48
	49	return state;
	50	}
	51
	52	#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
	53
	54	static inline long __trace_sched_switch_state(struct task_struct *p)
	55	{
	56	long state = p->state;
	57
	58	#ifdef CONFIG_PREEMPT
	59	/*
	60	* For all intents and purposes a preempted task is a running task.
	61	*/
	62	if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
	63	state = TASK_RUNNING;
f62b389e MD	64	#endif
	65
	66	return state;
	67	}
	68
7c68b363 AG	69	#endif
7c68b363 AG	70
f62b389e MD	71	#endif /* _TRACE_SCHED_DEF_ */
	72
	73	/*
	74	* Tracepoint for calling kthread_stop, performed to end a kthread:
	75	*/
3bc29f0a	76	LTTNG_TRACEPOINT_EVENT(sched_kthread_stop,
f62b389e MD	77
	78	TP_PROTO(struct task_struct *t),
	79
	80	TP_ARGS(t),
	81
	82	TP_STRUCT__entry(
64c796d8	83	__array_text( char, comm, TASK_COMM_LEN )
e5092131	84	__field( pid_t, tid )
f62b389e MD	85	),
	86
	87	TP_fast_assign(
	88	tp_memcpy(comm, t->comm, TASK_COMM_LEN)
e5092131	89	tp_assign(tid, t->pid)
f62b389e MD	90	),
f62b389e MD	91
e5092131	92	TP_printk("comm=%s tid=%d", __entry->comm, __entry->tid)
f62b389e MD	93	)
	94
	95	/*
	96	* Tracepoint for the return value of the kthread stopping:
	97	*/
3bc29f0a	98	LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
f62b389e MD	99
	100	TP_PROTO(int ret),
	101
	102	TP_ARGS(ret),
	103
	104	TP_STRUCT__entry(
	105	__field( int, ret )
	106	),
	107
	108	TP_fast_assign(
	109	tp_assign(ret, ret)
	110	),
	111
	112	TP_printk("ret=%d", __entry->ret)
	113	)
	114
	115	/*
	116	* Tracepoint for waking up a task:
	117	*/
3bc29f0a	118	LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
f62b389e	119
3a523f5b	120	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	121	TP_PROTO(struct task_struct *p, int success),
	122
	123	TP_ARGS(p, success),
3a523f5b MD	124	#else
	125	TP_PROTO(struct rq rq, struct task_struct p, int success),
	126
	127	TP_ARGS(rq, p, success),
	128	#endif
f62b389e MD	129
f62b389e MD	130	TP_STRUCT__entry(
64c796d8	131	__array_text( char, comm, TASK_COMM_LEN )
e5092131	132	__field( pid_t, tid )
f62b389e MD	133	__field( int, prio )
f62b389e MD	134	__field( int, success )
7c68b363	135	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e	136	__field( int, target_cpu )
7c68b363	137	#endif
f62b389e MD	138	),
	139
	140	TP_fast_assign(
	141	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	142	tp_assign(tid, p->pid)
f62b389e MD	143	tp_assign(prio, p->prio)
f62b389e MD	144	tp_assign(success, success)
7c68b363	145	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e	146	tp_assign(target_cpu, task_cpu(p))
7c68b363 AG	147	#endif
	148	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
	149	)
	150	TP_perf_assign(
	151	__perf_task(p)
	152	#endif
f62b389e MD	153	),
f62b389e MD	154
7c68b363	155	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
e5092131 MD	156	TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d",
e5092131 MD	157	__entry->comm, __entry->tid, __entry->prio,
f62b389e	158	__entry->success, __entry->target_cpu)
7c68b363 AG	159	#else
	160	TP_printk("comm=%s tid=%d prio=%d success=%d",
	161	__entry->comm, __entry->tid, __entry->prio,
	162	__entry->success)
	163	#endif
f62b389e MD	164	)
f62b389e MD	165
3a523f5b MD	166	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3a523f5b MD	167
3bc29f0a	168	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
f62b389e MD	169	TP_PROTO(struct task_struct *p, int success),
	170	TP_ARGS(p, success))
	171
	172	/*
	173	* Tracepoint for waking up a new task:
	174	*/
3bc29f0a	175	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
f62b389e MD	176	TP_PROTO(struct task_struct *p, int success),
	177	TP_ARGS(p, success))
	178
3a523f5b MD	179	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
3a523f5b MD	180
3bc29f0a	181	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup,
3a523f5b MD	182	TP_PROTO(struct rq rq, struct task_struct p, int success),
	183	TP_ARGS(rq, p, success))
	184
	185	/*
	186	* Tracepoint for waking up a new task:
	187	*/
3bc29f0a	188	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_wakeup_template, sched_wakeup_new,
3a523f5b MD	189	TP_PROTO(struct rq rq, struct task_struct p, int success),
	190	TP_ARGS(rq, p, success))
	191
	192	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	193
f62b389e MD	194	/*
	195	* Tracepoint for task switches, performed by the scheduler:
	196	*/
3bc29f0a	197	LTTNG_TRACEPOINT_EVENT(sched_switch,
f62b389e	198
3a523f5b	199	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e MD	200	TP_PROTO(struct task_struct *prev,
	201	struct task_struct *next),
	202
	203	TP_ARGS(prev, next),
3a523f5b MD	204	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
	205	TP_PROTO(struct rq rq, struct task_struct prev,
	206	struct task_struct *next),
	207
	208	TP_ARGS(rq, prev, next),
	209	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	210
f62b389e MD	211	TP_STRUCT__entry(
64c796d8	212	__array_text( char, prev_comm, TASK_COMM_LEN )
e5092131	213	__field( pid_t, prev_tid )
f62b389e MD	214	__field( int, prev_prio )
f62b389e MD	215	__field( long, prev_state )
64c796d8	216	__array_text( char, next_comm, TASK_COMM_LEN )
e5092131	217	__field( pid_t, next_tid )
f62b389e MD	218	__field( int, next_prio )
	219	),
	220
	221	TP_fast_assign(
	222	tp_memcpy(next_comm, next->comm, TASK_COMM_LEN)
e5092131	223	tp_assign(prev_tid, prev->pid)
3568c28c	224	tp_assign(prev_prio, prev->prio - MAX_RT_PRIO)
7c68b363	225	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
f62b389e	226	tp_assign(prev_state, __trace_sched_switch_state(prev))
7c68b363 AG	227	#else
	228	tp_assign(prev_state, prev->state)
	229	#endif
f62b389e	230	tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
e5092131	231	tp_assign(next_tid, next->pid)
3568c28c	232	tp_assign(next_prio, next->prio - MAX_RT_PRIO)
f62b389e MD	233	),
f62b389e MD	234
7c68b363 AG	235	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
	236	TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d",
	237	__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
	238	__entry->prev_state & (TASK_STATE_MAX-1) ?
	239	__print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "\|",
	240	{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
	241	{ 16, "Z" }, { 32, "X" }, { 64, "x" },
	242	{ 128, "W" }) : "R",
	243	__entry->prev_state & TASK_STATE_MAX ? "+" : "",
	244	__entry->next_comm, __entry->next_tid, __entry->next_prio)
	245	#else
e5092131 MD	246	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	247	__entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
f62b389e MD	248	__entry->prev_state ?
	249	__print_flags(__entry->prev_state, "\|",
	250	{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
	251	{ 16, "Z" }, { 32, "X" }, { 64, "x" },
	252	{ 128, "W" }) : "R",
e5092131	253	__entry->next_comm, __entry->next_tid, __entry->next_prio)
7c68b363	254	#endif
f62b389e MD	255	)
	256
	257	/*
	258	* Tracepoint for a task being migrated:
	259	*/
3bc29f0a	260	LTTNG_TRACEPOINT_EVENT(sched_migrate_task,
f62b389e MD	261
	262	TP_PROTO(struct task_struct *p, int dest_cpu),
	263
	264	TP_ARGS(p, dest_cpu),
	265
	266	TP_STRUCT__entry(
64c796d8	267	__array_text( char, comm, TASK_COMM_LEN )
e5092131	268	__field( pid_t, tid )
f62b389e MD	269	__field( int, prio )
	270	__field( int, orig_cpu )
	271	__field( int, dest_cpu )
	272	),
	273
	274	TP_fast_assign(
	275	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	276	tp_assign(tid, p->pid)
3568c28c	277	tp_assign(prio, p->prio - MAX_RT_PRIO)
f62b389e MD	278	tp_assign(orig_cpu, task_cpu(p))
	279	tp_assign(dest_cpu, dest_cpu)
	280	),
	281
e5092131 MD	282	TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d",
e5092131 MD	283	__entry->comm, __entry->tid, __entry->prio,
f62b389e MD	284	__entry->orig_cpu, __entry->dest_cpu)
	285	)
	286
3bc29f0a	287	LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
f62b389e MD	288
	289	TP_PROTO(struct task_struct *p),
	290
	291	TP_ARGS(p),
	292
	293	TP_STRUCT__entry(
64c796d8	294	__array_text( char, comm, TASK_COMM_LEN )
e5092131	295	__field( pid_t, tid )
f62b389e MD	296	__field( int, prio )
	297	),
	298
	299	TP_fast_assign(
	300	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
e5092131	301	tp_assign(tid, p->pid)
3568c28c	302	tp_assign(prio, p->prio - MAX_RT_PRIO)
f62b389e MD	303	),
f62b389e MD	304
e5092131 MD	305	TP_printk("comm=%s tid=%d prio=%d",
e5092131 MD	306	__entry->comm, __entry->tid, __entry->prio)
f62b389e MD	307	)
	308
	309	/*
	310	* Tracepoint for freeing a task:
	311	*/
3bc29f0a	312	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
f62b389e MD	313	TP_PROTO(struct task_struct *p),
	314	TP_ARGS(p))
	315
	316
	317	/*
	318	* Tracepoint for a task exiting:
	319	*/
3bc29f0a	320	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit,
f62b389e MD	321	TP_PROTO(struct task_struct *p),
	322	TP_ARGS(p))
	323
	324	/*
	325	* Tracepoint for waiting on task to unschedule:
	326	*/
3a523f5b	327	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
3bc29f0a	328	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
f62b389e MD	329	TP_PROTO(struct task_struct *p),
f62b389e MD	330	TP_ARGS(p))
3a523f5b	331	#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
3bc29f0a	332	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_wait_task,
3a523f5b MD	333	TP_PROTO(struct rq rq, struct task_struct p),
	334	TP_ARGS(rq, p))
	335	#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
f62b389e MD	336
	337	/*
	338	* Tracepoint for a waiting task:
	339	*/
3bc29f0a	340	LTTNG_TRACEPOINT_EVENT(sched_process_wait,
f62b389e MD	341
	342	TP_PROTO(struct pid *pid),
	343
	344	TP_ARGS(pid),
	345
	346	TP_STRUCT__entry(
64c796d8	347	__array_text( char, comm, TASK_COMM_LEN )
e5092131	348	__field( pid_t, tid )
f62b389e MD	349	__field( int, prio )
	350	),
	351
	352	TP_fast_assign(
	353	tp_memcpy(comm, current->comm, TASK_COMM_LEN)
e5092131	354	tp_assign(tid, pid_nr(pid))
3568c28c	355	tp_assign(prio, current->prio - MAX_RT_PRIO)
f62b389e MD	356	),
f62b389e MD	357
e5092131 MD	358	TP_printk("comm=%s tid=%d prio=%d",
e5092131 MD	359	__entry->comm, __entry->tid, __entry->prio)
f62b389e MD	360	)
	361
	362	/*
79b18ef7 MD	363	* Tracepoint for do_fork.
	364	* Saving both TID and PID information, especially for the child, allows
	365	* trace analyzers to distinguish between creation of a new process and
	366	* creation of a new thread. Newly created processes will have child_tid
	367	* == child_pid, while creation of a thread yields to child_tid !=
	368	* child_pid.
f62b389e	369	*/
3bc29f0a	370	LTTNG_TRACEPOINT_EVENT(sched_process_fork,
f62b389e MD	371
	372	TP_PROTO(struct task_struct parent, struct task_struct child),
	373
	374	TP_ARGS(parent, child),
	375
	376	TP_STRUCT__entry(
64c796d8	377	__array_text( char, parent_comm, TASK_COMM_LEN )
e5092131	378	__field( pid_t, parent_tid )
79b18ef7	379	__field( pid_t, parent_pid )
64c796d8	380	__array_text( char, child_comm, TASK_COMM_LEN )
e5092131	381	__field( pid_t, child_tid )
79b18ef7	382	__field( pid_t, child_pid )
f62b389e MD	383	),
	384
	385	TP_fast_assign(
	386	tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN)
e5092131	387	tp_assign(parent_tid, parent->pid)
79b18ef7	388	tp_assign(parent_pid, parent->tgid)
f62b389e	389	tp_memcpy(child_comm, child->comm, TASK_COMM_LEN)
e5092131	390	tp_assign(child_tid, child->pid)
79b18ef7	391	tp_assign(child_pid, child->tgid)
f62b389e MD	392	),
f62b389e MD	393
e5092131 MD	394	TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d",
	395	__entry->parent_comm, __entry->parent_tid,
	396	__entry->child_comm, __entry->child_tid)
f62b389e MD	397	)
f62b389e MD	398
7c68b363 AG	399	#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
	400	/*
	401	* Tracepoint for sending a signal:
	402	*/
3bc29f0a	403	LTTNG_TRACEPOINT_EVENT(sched_signal_send,
7c68b363 AG	404
	405	TP_PROTO(int sig, struct task_struct *p),
	406
	407	TP_ARGS(sig, p),
	408
	409	TP_STRUCT__entry(
	410	__field( int, sig )
	411	__array( char, comm, TASK_COMM_LEN )
	412	__field( pid_t, pid )
	413	),
	414
	415	TP_fast_assign(
	416	tp_memcpy(comm, p->comm, TASK_COMM_LEN)
	417	tp_assign(pid, p->pid)
	418	tp_assign(sig, sig)
	419	),
	420
	421	TP_printk("sig=%d comm=%s pid=%d",
	422	__entry->sig, __entry->comm, __entry->pid)
	423	)
	424	#endif
	425
c94b2508	426	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
46142a81 PW	427	/*
	428	* Tracepoint for exec:
	429	*/
3bc29f0a	430	LTTNG_TRACEPOINT_EVENT(sched_process_exec,
46142a81 PW	431
	432	TP_PROTO(struct task_struct *p, pid_t old_pid,
	433	struct linux_binprm *bprm),
	434
	435	TP_ARGS(p, old_pid, bprm),
	436
	437	TP_STRUCT__entry(
	438	__string( filename, bprm->filename )
e7b0901e AG	439	__field( pid_t, tid )
e7b0901e AG	440	__field( pid_t, old_tid )
46142a81 PW	441	),
	442
	443	TP_fast_assign(
	444	tp_strcpy(filename, bprm->filename)
e7b0901e AG	445	tp_assign(tid, p->pid)
e7b0901e AG	446	tp_assign(old_tid, old_pid)
46142a81 PW	447	),
46142a81 PW	448
e7b0901e AG	449	TP_printk("filename=%s tid=%d old_tid=%d", __get_str(filename),
e7b0901e AG	450	__entry->tid, __entry->old_tid)
46142a81	451	)
c94b2508	452	#endif
46142a81	453
7c68b363	454	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
f62b389e MD	455	/*
	456	* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
	457	* adding sched_stat support to SCHED_FIFO/RR would be welcome.
	458	*/
3bc29f0a	459	LTTNG_TRACEPOINT_EVENT_CLASS(sched_stat_template,
f62b389e MD	460
	461	TP_PROTO(struct task_struct *tsk, u64 delay),
	462
	463	TP_ARGS(tsk, delay),
	464
	465	TP_STRUCT__entry(
64c796d8	466	__array_text( char, comm, TASK_COMM_LEN )
e5092131	467	__field( pid_t, tid )
f62b389e MD	468	__field( u64, delay )
	469	),
	470
	471	TP_fast_assign(
	472	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	473	tp_assign(tid, tsk->pid)
f62b389e MD	474	tp_assign(delay, delay)
	475	)
	476	TP_perf_assign(
	477	__perf_count(delay)
	478	),
	479
e5092131 MD	480	TP_printk("comm=%s tid=%d delay=%Lu [ns]",
e5092131 MD	481	__entry->comm, __entry->tid,
f62b389e MD	482	(unsigned long long)__entry->delay)
	483	)
	484
	485
	486	/*
	487	* Tracepoint for accounting wait time (time the task is runnable
	488	* but not actually running due to scheduler contention).
	489	*/
3bc29f0a	490	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_wait,
f62b389e MD	491	TP_PROTO(struct task_struct *tsk, u64 delay),
	492	TP_ARGS(tsk, delay))
	493
	494	/*
	495	* Tracepoint for accounting sleep time (time the task is not runnable,
	496	* including iowait, see below).
	497	*/
3bc29f0a	498	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_sleep,
f62b389e MD	499	TP_PROTO(struct task_struct *tsk, u64 delay),
	500	TP_ARGS(tsk, delay))
	501
	502	/*
	503	* Tracepoint for accounting iowait time (time the task is not runnable
	504	* due to waiting on IO to complete).
	505	*/
3bc29f0a	506	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_iowait,
f62b389e MD	507	TP_PROTO(struct task_struct *tsk, u64 delay),
	508	TP_ARGS(tsk, delay))
	509
7c68b363 AG	510	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
	511	/*
	512	* Tracepoint for accounting blocked time (time the task is in uninterruptible).
	513	*/
3bc29f0a	514	LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_stat_template, sched_stat_blocked,
7c68b363 AG	515	TP_PROTO(struct task_struct *tsk, u64 delay),
	516	TP_ARGS(tsk, delay))
	517	#endif
	518
f62b389e MD	519	/*
	520	* Tracepoint for accounting runtime (time the task is executing
	521	* on a CPU).
	522	*/
3bc29f0a	523	LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
f62b389e MD	524
	525	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
	526
	527	TP_ARGS(tsk, runtime, vruntime),
	528
	529	TP_STRUCT__entry(
64c796d8	530	__array_text( char, comm, TASK_COMM_LEN )
e5092131	531	__field( pid_t, tid )
f62b389e MD	532	__field( u64, runtime )
	533	__field( u64, vruntime )
	534	),
	535
	536	TP_fast_assign(
	537	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	538	tp_assign(tid, tsk->pid)
f62b389e MD	539	tp_assign(runtime, runtime)
	540	tp_assign(vruntime, vruntime)
	541	)
	542	TP_perf_assign(
	543	__perf_count(runtime)
7c68b363 AG	544	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
	545	__perf_task(tsk)
	546	#endif
f62b389e MD	547	),
f62b389e MD	548
e5092131 MD	549	TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
e5092131 MD	550	__entry->comm, __entry->tid,
f62b389e MD	551	(unsigned long long)__entry->runtime,
	552	(unsigned long long)__entry->vruntime)
	553	)
7c68b363	554	#endif
f62b389e	555
7c68b363	556	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
f62b389e MD	557	/*
	558	* Tracepoint for showing priority inheritance modifying a tasks
	559	* priority.
	560	*/
3bc29f0a	561	LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
f62b389e MD	562
	563	TP_PROTO(struct task_struct *tsk, int newprio),
	564
	565	TP_ARGS(tsk, newprio),
	566
	567	TP_STRUCT__entry(
64c796d8	568	__array_text( char, comm, TASK_COMM_LEN )
e5092131	569	__field( pid_t, tid )
f62b389e MD	570	__field( int, oldprio )
	571	__field( int, newprio )
	572	),
	573
	574	TP_fast_assign(
	575	tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
e5092131	576	tp_assign(tid, tsk->pid)
3568c28c MD	577	tp_assign(oldprio, tsk->prio - MAX_RT_PRIO)
3568c28c MD	578	tp_assign(newprio, newprio - MAX_RT_PRIO)
f62b389e MD	579	),
f62b389e MD	580
e5092131 MD	581	TP_printk("comm=%s tid=%d oldprio=%d newprio=%d",
e5092131 MD	582	__entry->comm, __entry->tid,
f62b389e MD	583	__entry->oldprio, __entry->newprio)
f62b389e MD	584	)
7c68b363	585	#endif
f62b389e	586
3bc29f0a	587	#endif /* LTTNG_TRACE_SCHED_H */
f62b389e MD	588
f62b389e MD	589	/* This part must be outside protection */
5b88d86e	590	#include "../../../probes/define_trace.h"