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