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

#undef TRACE_SYSTEM
#define TRACE_SYSTEM workqueue

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

#include <probes/lttng-tracepoint-event.h>
#include <linux/workqueue.h>
#include <linux/version.h>

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))

#ifndef _TRACE_WORKQUEUE_DEF_
#define _TRACE_WORKQUEUE_DEF_

struct worker;
struct global_cwq;

#endif

LTTNG_TRACEPOINT_EVENT_CLASS(workqueue_work,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work),

	TP_FIELDS(
		ctf_integer_hex(void *, work, work)
	)
)

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/**
 * workqueue_queue_work - called when a work gets queued
 * @req_cpu:	the requested cpu
 * @cwq:	pointer to struct cpu_workqueue_struct
 * @work:	pointer to struct work_struct
 *
 * This event occurs when a work is queued immediately or once a
 * delayed work is actually queued on a workqueue (ie: once the delay
 * has been reached).
 */
LTTNG_TRACEPOINT_EVENT(workqueue_queue_work,

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
	TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
		 struct work_struct *work),

	TP_ARGS(req_cpu, pwq, work),
#else
	TP_PROTO(unsigned int req_cpu, struct cpu_workqueue_struct *cwq,
		 struct work_struct *work),

	TP_ARGS(req_cpu, cwq, work),
#endif

	TP_FIELDS(
		ctf_integer_hex(void *, work, work)
		ctf_integer_hex(void *, function, work->func)
		ctf_integer(unsigned int, req_cpu, req_cpu)
	)
)

/**
 * workqueue_activate_work - called when a work gets activated
 * @work:	pointer to struct work_struct
 *
 * This event occurs when a queued work is put on the active queue,
 * which happens immediately after queueing unless @max_active limit
 * is reached.
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_activate_work,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work)
)
#endif

/**
 * workqueue_execute_start - called immediately before the workqueue callback
 * @work:	pointer to struct work_struct
 *
 * Allows to track workqueue execution.
 */
LTTNG_TRACEPOINT_EVENT(workqueue_execute_start,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work),

	TP_FIELDS(
		ctf_integer_hex(void *, work, work)
		ctf_integer_hex(void *, function, work->func)
	)
)

/**
 * workqueue_execute_end - called immediately after the workqueue callback
 * @work:	pointer to struct work_struct
 *
 * Allows to track workqueue execution.
 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_execute_end,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work)
)

#else

LTTNG_TRACEPOINT_EVENT_CLASS(workqueue,

	TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),

	TP_ARGS(wq_thread, work),

	TP_FIELDS(
		ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, thread_pid, wq_thread->pid)
		ctf_integer_hex(work_func_t, func, work->func)
	)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_insertion,

	TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),

	TP_ARGS(wq_thread, work)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_execution,

	TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),

	TP_ARGS(wq_thread, work)
)

/* Trace the creation of one workqueue thread on a cpu */
LTTNG_TRACEPOINT_EVENT(workqueue_creation,

	TP_PROTO(struct task_struct *wq_thread, int cpu),

	TP_ARGS(wq_thread, cpu),

	TP_FIELDS(
		ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, thread_pid, wq_thread->pid)
		ctf_integer(int, cpu, cpu)
	)
)

LTTNG_TRACEPOINT_EVENT(workqueue_destruction,

	TP_PROTO(struct task_struct *wq_thread),

	TP_ARGS(wq_thread),

	TP_FIELDS(
		ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
		ctf_integer(pid_t, thread_pid, wq_thread->pid)
	)
)

#endif

#endif /*  LTTNG_TRACE_WORKQUEUE_H */

/* This part must be outside protection */
#include <probes/define_trace.h>
Commit	Line	Data
	1	#undef TRACE_SYSTEM
	2	#define TRACE_SYSTEM workqueue
	3
	4	#if !defined(LTTNG_TRACE_WORKQUEUE_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	5	#define LTTNG_TRACE_WORKQUEUE_H
	6
	7	#include <probes/lttng-tracepoint-event.h>
	8	#include <linux/workqueue.h>
	9	#include <linux/version.h>
	10
	11	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
	12
	13	#ifndef _TRACE_WORKQUEUE_DEF_
	14	#define _TRACE_WORKQUEUE_DEF_
	15
	16	struct worker;
	17	struct global_cwq;
	18
	19	#endif
	20
	21	LTTNG_TRACEPOINT_EVENT_CLASS(workqueue_work,
	22
	23	TP_PROTO(struct work_struct *work),
	24
	25	TP_ARGS(work),
	26
	27	TP_FIELDS(
	28	ctf_integer_hex(void *, work, work)
	29	)
	30	)
	31
	32	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
	33	/**
	34	* workqueue_queue_work - called when a work gets queued
	35	* @req_cpu: the requested cpu
	36	* @cwq: pointer to struct cpu_workqueue_struct
	37	* @work: pointer to struct work_struct
	38	*
	39	* This event occurs when a work is queued immediately or once a
	40	* delayed work is actually queued on a workqueue (ie: once the delay
	41	* has been reached).
	42	*/
	43	LTTNG_TRACEPOINT_EVENT(workqueue_queue_work,
	44
	45	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
	46	TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
	47	struct work_struct *work),
	48
	49	TP_ARGS(req_cpu, pwq, work),
	50	#else
	51	TP_PROTO(unsigned int req_cpu, struct cpu_workqueue_struct *cwq,
	52	struct work_struct *work),
	53
	54	TP_ARGS(req_cpu, cwq, work),
	55	#endif
	56
	57	TP_FIELDS(
	58	ctf_integer_hex(void *, work, work)
	59	ctf_integer_hex(void *, function, work->func)
	60	ctf_integer(unsigned int, req_cpu, req_cpu)
	61	)
	62	)
	63
	64	/**
	65	* workqueue_activate_work - called when a work gets activated
	66	* @work: pointer to struct work_struct
	67	*
	68	* This event occurs when a queued work is put on the active queue,
	69	* which happens immediately after queueing unless @max_active limit
	70	* is reached.
	71	*/
	72	LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_activate_work,
	73
	74	TP_PROTO(struct work_struct *work),
	75
	76	TP_ARGS(work)
	77	)
	78	#endif
	79
	80	/**
	81	* workqueue_execute_start - called immediately before the workqueue callback
	82	* @work: pointer to struct work_struct
	83	*
	84	* Allows to track workqueue execution.
	85	*/
	86	LTTNG_TRACEPOINT_EVENT(workqueue_execute_start,
	87
	88	TP_PROTO(struct work_struct *work),
	89
	90	TP_ARGS(work),
	91
	92	TP_FIELDS(
	93	ctf_integer_hex(void *, work, work)
	94	ctf_integer_hex(void *, function, work->func)
	95	)
	96	)
	97
	98	/**
	99	* workqueue_execute_end - called immediately after the workqueue callback
	100	* @work: pointer to struct work_struct
	101	*
	102	* Allows to track workqueue execution.
	103	*/
	104	LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_execute_end,
	105
	106	TP_PROTO(struct work_struct *work),
	107
	108	TP_ARGS(work)
	109	)
	110
	111	#else
	112
	113	LTTNG_TRACEPOINT_EVENT_CLASS(workqueue,
	114
	115	TP_PROTO(struct task_struct wq_thread, struct work_struct work),
	116
	117	TP_ARGS(wq_thread, work),
	118
	119	TP_FIELDS(
	120	ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
	121	ctf_integer(pid_t, thread_pid, wq_thread->pid)
	122	ctf_integer_hex(work_func_t, func, work->func)
	123	)
	124	)
	125
	126	LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_insertion,
	127
	128	TP_PROTO(struct task_struct wq_thread, struct work_struct work),
	129
	130	TP_ARGS(wq_thread, work)
	131	)
	132
	133	LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_execution,
	134
	135	TP_PROTO(struct task_struct wq_thread, struct work_struct work),
	136
	137	TP_ARGS(wq_thread, work)
	138	)
	139
	140	/* Trace the creation of one workqueue thread on a cpu */
	141	LTTNG_TRACEPOINT_EVENT(workqueue_creation,
	142
	143	TP_PROTO(struct task_struct *wq_thread, int cpu),
	144
	145	TP_ARGS(wq_thread, cpu),
	146
	147	TP_FIELDS(
	148	ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
	149	ctf_integer(pid_t, thread_pid, wq_thread->pid)
	150	ctf_integer(int, cpu, cpu)
	151	)
	152	)
	153
	154	LTTNG_TRACEPOINT_EVENT(workqueue_destruction,
	155
	156	TP_PROTO(struct task_struct *wq_thread),
	157
	158	TP_ARGS(wq_thread),
	159
	160	TP_FIELDS(
	161	ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
	162	ctf_integer(pid_t, thread_pid, wq_thread->pid)
	163	)
	164	)
	165
	166	#endif
	167
	168	#endif /* LTTNG_TRACE_WORKQUEUE_H */
	169
	170	/* This part must be outside protection */
	171	#include <probes/define_trace.h>