[linux.git] / include / trace / events / sched.h

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

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

#undef TRACE_SYSTEM
#define TRACE_SYSTEM sched

/*
 * Tracepoint for calling kthread_stop, performed to end a kthread:
 */
TRACE_EVENT(sched_kthread_stop,

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

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

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

	TP_printk("task %s:%d", __entry->comm, __entry->pid)
);

/*
 * Tracepoint for the return value of the kthread stopping:
 */
TRACE_EVENT(sched_kthread_stop_ret,

	TP_PROTO(int ret),

	TP_ARGS(ret),

	TP_STRUCT__entry(
		__field(	int,	ret	)
	),

	TP_fast_assign(
		__entry->ret	= ret;
	),

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

/*
 * Tracepoint for waiting on task to unschedule:
 *
 * (NOTE: the 'rq' argument is not used by generic trace events,
 *        but used by the latency tracer plugin. )
 */
TRACE_EVENT(sched_wait_task,

	TP_PROTO(struct rq *rq, struct task_struct *p),

	TP_ARGS(rq, p),

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

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

	TP_printk("task %s:%d [%d]",
		  __entry->comm, __entry->pid, __entry->prio)
);

/*
 * Tracepoint for waking up a task:
 *
 * (NOTE: the 'rq' argument is not used by generic trace events,
 *        but used by the latency tracer plugin. )
 */
TRACE_EVENT(sched_wakeup,

	TP_PROTO(struct rq *rq, struct task_struct *p, int success),

	TP_ARGS(rq, p, success),

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

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

	TP_printk("task %s:%d [%d] success=%d",
		  __entry->comm, __entry->pid, __entry->prio,
		  __entry->success)
);

/*
 * Tracepoint for waking up a new task:
 *
 * (NOTE: the 'rq' argument is not used by generic trace events,
 *        but used by the latency tracer plugin. )
 */
TRACE_EVENT(sched_wakeup_new,

	TP_PROTO(struct rq *rq, struct task_struct *p, int success),

	TP_ARGS(rq, p, success),

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

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

	TP_printk("task %s:%d [%d] success=%d",
		  __entry->comm, __entry->pid, __entry->prio,
		  __entry->success)
);

/*
 * Tracepoint for task switches, performed by the scheduler:
 *
 * (NOTE: the 'rq' argument is not used by generic trace events,
 *        but used by the latency tracer plugin. )
 */
TRACE_EVENT(sched_switch,

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

	TP_ARGS(rq, prev, next),

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

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

	TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
		__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
		__entry->next_comm, __entry->next_pid, __entry->next_prio)
);

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

	TP_PROTO(struct task_struct *p, int dest_cpu),

	TP_ARGS(p, dest_cpu),

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

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

	TP_printk("task %s:%d [%d] from: %d  to: %d",
		  __entry->comm, __entry->pid, __entry->prio,
		  __entry->orig_cpu, __entry->dest_cpu)
);

/*
 * Tracepoint for freeing a task:
 */
TRACE_EVENT(sched_process_free,

	TP_PROTO(struct task_struct *p),

	TP_ARGS(p),

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

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

	TP_printk("task %s:%d [%d]",
		  __entry->comm, __entry->pid, __entry->prio)
);

/*
 * Tracepoint for a task exiting:
 */
TRACE_EVENT(sched_process_exit,

	TP_PROTO(struct task_struct *p),

	TP_ARGS(p),

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

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

	TP_printk("task %s:%d [%d]",
		  __entry->comm, __entry->pid, __entry->prio)
);

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

	TP_PROTO(struct pid *pid),

	TP_ARGS(pid),

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

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

	TP_printk("task %s:%d [%d]",
		  __entry->comm, __entry->pid, __entry->prio)
);

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

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

	TP_ARGS(parent, child),

	TP_STRUCT__entry(
		__array(	char,	parent_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	parent_pid			)
		__array(	char,	child_comm,	TASK_COMM_LEN	)
		__field(	pid_t,	child_pid			)
	),

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

	TP_printk("parent %s:%d  child %s:%d",
		__entry->parent_comm, __entry->parent_pid,
		__entry->child_comm, __entry->child_pid)
);

/*
 * 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(
		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
		__entry->pid	= p->pid;
		__entry->sig	= sig;
	),

	TP_printk("sig: %d  task %s:%d",
		  __entry->sig, __entry->comm, __entry->pid)
);

#endif /* _TRACE_SCHED_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
ea20d929	1	#if !defined(_TRACE_SCHED_H) \|\| defined(TRACE_HEADER_MULTI_READ)
0a16b607 MD	2	#define _TRACE_SCHED_H
	3
	4	#include <linux/sched.h>
	5	#include <linux/tracepoint.h>
	6
ea20d929 SR	7	#undef TRACE_SYSTEM
ea20d929 SR	8	#define TRACE_SYSTEM sched
0a16b607	9
ea20d929 SR	10	/*
	11	* Tracepoint for calling kthread_stop, performed to end a kthread:
	12	*/
	13	TRACE_EVENT(sched_kthread_stop,
	14
	15	TP_PROTO(struct task_struct *t),
	16
	17	TP_ARGS(t),
	18
	19	TP_STRUCT__entry(
	20	__array( char, comm, TASK_COMM_LEN )
	21	__field( pid_t, pid )
	22	),
	23
	24	TP_fast_assign(
	25	memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
	26	__entry->pid = t->pid;
	27	),
	28
	29	TP_printk("task %s:%d", __entry->comm, __entry->pid)
	30	);
	31
	32	/*
	33	* Tracepoint for the return value of the kthread stopping:
	34	*/
	35	TRACE_EVENT(sched_kthread_stop_ret,
	36
	37	TP_PROTO(int ret),
	38
	39	TP_ARGS(ret),
	40
	41	TP_STRUCT__entry(
	42	__field( int, ret )
	43	),
	44
	45	TP_fast_assign(
	46	__entry->ret = ret;
	47	),
	48
	49	TP_printk("ret %d", __entry->ret)
	50	);
	51
	52	/*
	53	* Tracepoint for waiting on task to unschedule:
	54	*
	55	* (NOTE: the 'rq' argument is not used by generic trace events,
	56	* but used by the latency tracer plugin. )
	57	*/
	58	TRACE_EVENT(sched_wait_task,
	59
	60	TP_PROTO(struct rq rq, struct task_struct p),
	61
	62	TP_ARGS(rq, p),
	63
	64	TP_STRUCT__entry(
	65	__array( char, comm, TASK_COMM_LEN )
	66	__field( pid_t, pid )
	67	__field( int, prio )
	68	),
	69
	70	TP_fast_assign(
	71	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	72	__entry->pid = p->pid;
	73	__entry->prio = p->prio;
74	),
75
76	TP_printk("task %s:%d [%d]",
77	__entry->comm, __entry->pid, __entry->prio)
78	);
79
80	/*
81	* Tracepoint for waking up a task:
82	*
83	* (NOTE: the 'rq' argument is not used by generic trace events,
84	* but used by the latency tracer plugin. )
85	*/
86	TRACE_EVENT(sched_wakeup,
87
88	TP_PROTO(struct rq rq, struct task_struct p, int success),
89
90	TP_ARGS(rq, p, success),
91
92	TP_STRUCT__entry(
93	__array( char, comm, TASK_COMM_LEN )
94	__field( pid_t, pid )
95	__field( int, prio )
96	__field( int, success )
97	),
98
99	TP_fast_assign(
100	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
101	__entry->pid = p->pid;
102	__entry->prio = p->prio;
103	__entry->success = success;
104	),
105
106	TP_printk("task %s:%d [%d] success=%d",
107	__entry->comm, __entry->pid, __entry->prio,
108	__entry->success)
109	);
110
111	/*
112	* Tracepoint for waking up a new task:
113	*
114	* (NOTE: the 'rq' argument is not used by generic trace events,
115	* but used by the latency tracer plugin. )
116	*/
117	TRACE_EVENT(sched_wakeup_new,
118
119	TP_PROTO(struct rq rq, struct task_struct p, int success),
120
121	TP_ARGS(rq, p, success),
122
123	TP_STRUCT__entry(
124	__array( char, comm, TASK_COMM_LEN )
125	__field( pid_t, pid )
126	__field( int, prio )
127	__field( int, success )
128	),
129
130	TP_fast_assign(
131	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
132	__entry->pid = p->pid;
133	__entry->prio = p->prio;
134	__entry->success = success;
135	),
136
137	TP_printk("task %s:%d [%d] success=%d",
138	__entry->comm, __entry->pid, __entry->prio,
139	__entry->success)
140	);
141
142	/*
143	* Tracepoint for task switches, performed by the scheduler:
144	*
145	* (NOTE: the 'rq' argument is not used by generic trace events,
146	* but used by the latency tracer plugin. )
147	*/
148	TRACE_EVENT(sched_switch,
149
150	TP_PROTO(struct rq rq, struct task_struct prev,
151	struct task_struct *next),
152
153	TP_ARGS(rq, prev, next),
154
155	TP_STRUCT__entry(
156	__array( char, prev_comm, TASK_COMM_LEN )
157	__field( pid_t, prev_pid )
158	__field( int, prev_prio )
159	__array( char, next_comm, TASK_COMM_LEN )
160	__field( pid_t, next_pid )
161	__field( int, next_prio )
162	),
163
164	TP_fast_assign(
165	memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
166	__entry->prev_pid = prev->pid;
167	__entry->prev_prio = prev->prio;
168	memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
169	__entry->next_pid = next->pid;
170	__entry->next_prio = next->prio;
171	),
172
173	TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
174	__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
175	__entry->next_comm, __entry->next_pid, __entry->next_prio)
176	);
177
178	/*
179	* Tracepoint for a task being migrated:
180	*/
181	TRACE_EVENT(sched_migrate_task,
182
de1d7286	183	TP_PROTO(struct task_struct *p, int dest_cpu),
ea20d929	184
de1d7286	185	TP_ARGS(p, dest_cpu),
ea20d929 SR	186
	187	TP_STRUCT__entry(
	188	__array( char, comm, TASK_COMM_LEN )
	189	__field( pid_t, pid )
	190	__field( int, prio )
	191	__field( int, orig_cpu )
	192	__field( int, dest_cpu )
	193	),
	194
	195	TP_fast_assign(
	196	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	197	__entry->pid = p->pid;
	198	__entry->prio = p->prio;
de1d7286	199	__entry->orig_cpu = task_cpu(p);
ea20d929 SR	200	__entry->dest_cpu = dest_cpu;
	201	),
	202
	203	TP_printk("task %s:%d [%d] from: %d to: %d",
	204	__entry->comm, __entry->pid, __entry->prio,
	205	__entry->orig_cpu, __entry->dest_cpu)
	206	);
	207
	208	/*
	209	* Tracepoint for freeing a task:
	210	*/
	211	TRACE_EVENT(sched_process_free,
	212
	213	TP_PROTO(struct task_struct *p),
	214
	215	TP_ARGS(p),
	216
	217	TP_STRUCT__entry(
	218	__array( char, comm, TASK_COMM_LEN )
	219	__field( pid_t, pid )
	220	__field( int, prio )
	221	),
	222
	223	TP_fast_assign(
	224	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	225	__entry->pid = p->pid;
	226	__entry->prio = p->prio;
	227	),
	228
	229	TP_printk("task %s:%d [%d]",
	230	__entry->comm, __entry->pid, __entry->prio)
	231	);
	232
	233	/*
	234	* Tracepoint for a task exiting:
	235	*/
	236	TRACE_EVENT(sched_process_exit,
	237
	238	TP_PROTO(struct task_struct *p),
	239
	240	TP_ARGS(p),
	241
	242	TP_STRUCT__entry(
	243	__array( char, comm, TASK_COMM_LEN )
	244	__field( pid_t, pid )
	245	__field( int, prio )
	246	),
	247
	248	TP_fast_assign(
	249	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
	250	__entry->pid = p->pid;
	251	__entry->prio = p->prio;
	252	),
	253
	254	TP_printk("task %s:%d [%d]",
	255	__entry->comm, __entry->pid, __entry->prio)
	256	);
	257
	258	/*
	259	* Tracepoint for a waiting task:
	260	*/
	261	TRACE_EVENT(sched_process_wait,
	262
	263	TP_PROTO(struct pid *pid),
264
265	TP_ARGS(pid),
266
267	TP_STRUCT__entry(
268	__array( char, comm, TASK_COMM_LEN )
269	__field( pid_t, pid )
270	__field( int, prio )
271	),
272
273	TP_fast_assign(
274	memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
275	__entry->pid = pid_nr(pid);
276	__entry->prio = current->prio;
277	),
278
279	TP_printk("task %s:%d [%d]",
280	__entry->comm, __entry->pid, __entry->prio)
281	);
282
283	/*
284	* Tracepoint for do_fork:
285	*/
286	TRACE_EVENT(sched_process_fork,
287
288	TP_PROTO(struct task_struct parent, struct task_struct child),
289
290	TP_ARGS(parent, child),
291
292	TP_STRUCT__entry(
293	__array( char, parent_comm, TASK_COMM_LEN )
294	__field( pid_t, parent_pid )
295	__array( char, child_comm, TASK_COMM_LEN )
296	__field( pid_t, child_pid )
297	),
298
299	TP_fast_assign(
300	memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
301	__entry->parent_pid = parent->pid;
302	memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
303	__entry->child_pid = child->pid;
304	),
305
306	TP_printk("parent %s:%d child %s:%d",
307	__entry->parent_comm, __entry->parent_pid,
308	__entry->child_comm, __entry->child_pid)
309	);
310
311	/*
312	* Tracepoint for sending a signal:
313	*/
314	TRACE_EVENT(sched_signal_send,
315
316	TP_PROTO(int sig, struct task_struct *p),
317
318	TP_ARGS(sig, p),
319
320	TP_STRUCT__entry(
321	__field( int, sig )
322	__array( char, comm, TASK_COMM_LEN )
323	__field( pid_t, pid )
324	),
325
326	TP_fast_assign(
327	memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
328	__entry->pid = p->pid;
329	__entry->sig = sig;
330	),
331
332	TP_printk("sig: %d task %s:%d",
333	__entry->sig, __entry->comm, __entry->pid)
334	);
335
336	#endif /* _TRACE_SCHED_H */
a8d154b0 SR	337
	338	/* This part must be outside protection */
	339	#include <trace/define_trace.h>