[linux-2.6-block.git] / include / trace / events / task.h

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM task

#if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_TASK_H
#include <linux/tracepoint.h>

TRACE_EVENT(task_newtask,

	TP_PROTO(struct task_struct *task, unsigned long clone_flags),

	TP_ARGS(task, clone_flags),

	TP_STRUCT__entry(
		__field(	pid_t,	pid)
		__array(	char,	comm, TASK_COMM_LEN)
		__field( unsigned long, clone_flags)
		__field(	short,	oom_score_adj)
	),

	TP_fast_assign(
		__entry->pid = task->pid;
		memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
		__entry->clone_flags = clone_flags;
		__entry->oom_score_adj = task->signal->oom_score_adj;
	),

	TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%hd",
		__entry->pid, __entry->comm,
		__entry->clone_flags, __entry->oom_score_adj)
);

TRACE_EVENT(task_rename,

	TP_PROTO(struct task_struct *task, const char *comm),

	TP_ARGS(task, comm),

	TP_STRUCT__entry(
		__array(	char, oldcomm,  TASK_COMM_LEN)
		__array(	char, newcomm,  TASK_COMM_LEN)
		__field(	short,	oom_score_adj)
	),

	TP_fast_assign(
		memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
		strscpy(entry->newcomm, comm, TASK_COMM_LEN);
		__entry->oom_score_adj = task->signal->oom_score_adj;
	),

	TP_printk("oldcomm=%s newcomm=%s oom_score_adj=%hd",
		  __entry->oldcomm, __entry->newcomm, __entry->oom_score_adj)
);

/**
 * task_prctl_unknown - called on unknown prctl() option
 * @option:	option passed
 * @arg2:	arg2 passed
 * @arg3:	arg3 passed
 * @arg4:	arg4 passed
 * @arg5:	arg5 passed
 *
 * Called on an unknown prctl() option.
 */
TRACE_EVENT(task_prctl_unknown,

	TP_PROTO(int option, unsigned long arg2, unsigned long arg3,
		 unsigned long arg4, unsigned long arg5),

	TP_ARGS(option, arg2, arg3, arg4, arg5),

	TP_STRUCT__entry(
		__field(	int,		option)
		__field(	unsigned long,	arg2)
		__field(	unsigned long,	arg3)
		__field(	unsigned long,	arg4)
		__field(	unsigned long,	arg5)
	),

	TP_fast_assign(
		__entry->option = option;
		__entry->arg2 = arg2;
		__entry->arg3 = arg3;
		__entry->arg4 = arg4;
		__entry->arg5 = arg5;
	),

	TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld",
		  __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5)
);

#endif

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
43d2b113 KH	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM task
	4
	5	#if !defined(_TRACE_TASK_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	6	#define _TRACE_TASK_H
	7	#include <linux/tracepoint.h>
	8
	9	TRACE_EVENT(task_newtask,
	10
	11	TP_PROTO(struct task_struct *task, unsigned long clone_flags),
	12
	13	TP_ARGS(task, clone_flags),
	14
	15	TP_STRUCT__entry(
	16	__field( pid_t, pid)
	17	__array( char, comm, TASK_COMM_LEN)
	18	__field( unsigned long, clone_flags)
a9c58b90	19	__field( short, oom_score_adj)
43d2b113 KH	20	),
	21
	22	TP_fast_assign(
	23	__entry->pid = task->pid;
	24	memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
	25	__entry->clone_flags = clone_flags;
	26	__entry->oom_score_adj = task->signal->oom_score_adj;
	27	),
	28
a9c58b90	29	TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%hd",
43d2b113 KH	30	__entry->pid, __entry->comm,
	31	__entry->clone_flags, __entry->oom_score_adj)
	32	);
	33
	34	TRACE_EVENT(task_rename,
	35
23aebe16	36	TP_PROTO(struct task_struct task, const char comm),
43d2b113 KH	37
	38	TP_ARGS(task, comm),
	39
	40	TP_STRUCT__entry(
43d2b113 KH	41	__array( char, oldcomm, TASK_COMM_LEN)
43d2b113 KH	42	__array( char, newcomm, TASK_COMM_LEN)
a9c58b90	43	__field( short, oom_score_adj)
43d2b113 KH	44	),
	45
	46	TP_fast_assign(
43d2b113	47	memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
2933d3cd	48	strscpy(entry->newcomm, comm, TASK_COMM_LEN);
43d2b113 KH	49	__entry->oom_score_adj = task->signal->oom_score_adj;
	50	),
	51
e3f6a422 ME	52	TP_printk("oldcomm=%s newcomm=%s oom_score_adj=%hd",
e3f6a422 ME	53	__entry->oldcomm, __entry->newcomm, __entry->oom_score_adj)
43d2b113 KH	54	);
43d2b113 KH	55
c38904eb ME	56	/**
	57	* task_prctl_unknown - called on unknown prctl() option
	58	* @option: option passed
	59	* @arg2: arg2 passed
	60	* @arg3: arg3 passed
	61	* @arg4: arg4 passed
	62	* @arg5: arg5 passed
	63	*
	64	* Called on an unknown prctl() option.
	65	*/
	66	TRACE_EVENT(task_prctl_unknown,
	67
	68	TP_PROTO(int option, unsigned long arg2, unsigned long arg3,
	69	unsigned long arg4, unsigned long arg5),
	70
	71	TP_ARGS(option, arg2, arg3, arg4, arg5),
	72
	73	TP_STRUCT__entry(
	74	__field( int, option)
	75	__field( unsigned long, arg2)
	76	__field( unsigned long, arg3)
	77	__field( unsigned long, arg4)
	78	__field( unsigned long, arg5)
	79	),
	80
	81	TP_fast_assign(
	82	__entry->option = option;
	83	__entry->arg2 = arg2;
	84	__entry->arg3 = arg3;
	85	__entry->arg4 = arg4;
	86	__entry->arg5 = arg5;
	87	),
	88
	89	TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld",
	90	__entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5)
	91	);
	92
43d2b113 KH	93	#endif
	94
	95	/* This part must be outside protection */
	96	#include <trace/define_trace.h>