[mirror_ubuntu-bionic-kernel.git] / include / trace / events / cgroup.h

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

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

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

DECLARE_EVENT_CLASS(cgroup_root,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root),

	TP_STRUCT__entry(
		__field(	int,		root			)
		__field(	u16,		ss_mask			)
		__string(	name,		root->name		)
	),

	TP_fast_assign(
		__entry->root = root->hierarchy_id;
		__entry->ss_mask = root->subsys_mask;
		__assign_str(name, root->name);
	),

	TP_printk("root=%d ss_mask=%#x name=%s",
		  __entry->root, __entry->ss_mask, __get_str(name))
);

DEFINE_EVENT(cgroup_root, cgroup_setup_root,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root)
);

DEFINE_EVENT(cgroup_root, cgroup_destroy_root,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root)
);

DEFINE_EVENT(cgroup_root, cgroup_remount,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root)
);

DECLARE_EVENT_CLASS(cgroup,

	TP_PROTO(struct cgroup *cgrp),

	TP_ARGS(cgrp),

	TP_STRUCT__entry(
		__field(	int,		root			)
		__field(	int,		id			)
		__field(	int,		level			)
		__dynamic_array(char,		path,
				cgroup_path(cgrp, NULL, 0) + 1)
	),

	TP_fast_assign(
		__entry->root = cgrp->root->hierarchy_id;
		__entry->id = cgrp->id;
		__entry->level = cgrp->level;
		cgroup_path(cgrp, __get_dynamic_array(path),
				  __get_dynamic_array_len(path));
	),

	TP_printk("root=%d id=%d level=%d path=%s",
		  __entry->root, __entry->id, __entry->level, __get_str(path))
);

DEFINE_EVENT(cgroup, cgroup_mkdir,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DEFINE_EVENT(cgroup, cgroup_rmdir,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DEFINE_EVENT(cgroup, cgroup_release,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DEFINE_EVENT(cgroup, cgroup_rename,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DECLARE_EVENT_CLASS(cgroup_migrate,

	TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),

	TP_ARGS(dst_cgrp, task, threadgroup),

	TP_STRUCT__entry(
		__field(	int,		dst_root		)
		__field(	int,		dst_id			)
		__field(	int,		dst_level		)
		__dynamic_array(char,		dst_path,
				cgroup_path(dst_cgrp, NULL, 0) + 1)
		__field(	int,		pid			)
		__string(	comm,		task->comm		)
	),

	TP_fast_assign(
		__entry->dst_root = dst_cgrp->root->hierarchy_id;
		__entry->dst_id = dst_cgrp->id;
		__entry->dst_level = dst_cgrp->level;
		cgroup_path(dst_cgrp, __get_dynamic_array(dst_path),
				      __get_dynamic_array_len(dst_path));
		__entry->pid = task->pid;
		__assign_str(comm, task->comm);
	),

	TP_printk("dst_root=%d dst_id=%d dst_level=%d dst_path=%s pid=%d comm=%s",
		  __entry->dst_root, __entry->dst_id, __entry->dst_level,
		  __get_str(dst_path), __entry->pid, __get_str(comm))
);

DEFINE_EVENT(cgroup_migrate, cgroup_attach_task,

	TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),

	TP_ARGS(dst_cgrp, task, threadgroup)
);

DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks,

	TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),

	TP_ARGS(dst_cgrp, task, threadgroup)
);

#endif /* _TRACE_CGROUP_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
ed1777de TH	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM cgroup
	4
	5	#if !defined(_TRACE_CGROUP_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	6	#define _TRACE_CGROUP_H
	7
	8	#include <linux/cgroup.h>
	9	#include <linux/tracepoint.h>
	10
	11	DECLARE_EVENT_CLASS(cgroup_root,
	12
	13	TP_PROTO(struct cgroup_root *root),
	14
	15	TP_ARGS(root),
	16
	17	TP_STRUCT__entry(
	18	__field( int, root )
	19	__field( u16, ss_mask )
	20	__string( name, root->name )
	21	),
	22
	23	TP_fast_assign(
	24	__entry->root = root->hierarchy_id;
	25	__entry->ss_mask = root->subsys_mask;
	26	__assign_str(name, root->name);
	27	),
	28
	29	TP_printk("root=%d ss_mask=%#x name=%s",
	30	__entry->root, __entry->ss_mask, __get_str(name))
	31	);
	32
	33	DEFINE_EVENT(cgroup_root, cgroup_setup_root,
	34
	35	TP_PROTO(struct cgroup_root *root),
	36
	37	TP_ARGS(root)
	38	);
	39
	40	DEFINE_EVENT(cgroup_root, cgroup_destroy_root,
	41
	42	TP_PROTO(struct cgroup_root *root),
	43
	44	TP_ARGS(root)
	45	);
	46
	47	DEFINE_EVENT(cgroup_root, cgroup_remount,
	48
	49	TP_PROTO(struct cgroup_root *root),
	50
	51	TP_ARGS(root)
	52	);
	53
	54	DECLARE_EVENT_CLASS(cgroup,
	55
	56	TP_PROTO(struct cgroup *cgrp),
	57
	58	TP_ARGS(cgrp),
	59
	60	TP_STRUCT__entry(
	61	__field( int, root )
	62	__field( int, id )
	63	__field( int, level )
	64	__dynamic_array(char, path,
17627157	65	cgroup_path(cgrp, NULL, 0) + 1)
ed1777de TH	66	),
	67
	68	TP_fast_assign(
	69	__entry->root = cgrp->root->hierarchy_id;
	70	__entry->id = cgrp->id;
	71	__entry->level = cgrp->level;
17627157 KK	72	cgroup_path(cgrp, __get_dynamic_array(path),
17627157 KK	73	__get_dynamic_array_len(path));
ed1777de TH	74	),
	75
	76	TP_printk("root=%d id=%d level=%d path=%s",
	77	__entry->root, __entry->id, __entry->level, __get_str(path))
	78	);
	79
	80	DEFINE_EVENT(cgroup, cgroup_mkdir,
	81
	82	TP_PROTO(struct cgroup *cgroup),
	83
	84	TP_ARGS(cgroup)
	85	);
	86
	87	DEFINE_EVENT(cgroup, cgroup_rmdir,
	88
	89	TP_PROTO(struct cgroup *cgroup),
	90
	91	TP_ARGS(cgroup)
	92	);
	93
	94	DEFINE_EVENT(cgroup, cgroup_release,
	95
	96	TP_PROTO(struct cgroup *cgroup),
	97
	98	TP_ARGS(cgroup)
	99	);
	100
	101	DEFINE_EVENT(cgroup, cgroup_rename,
	102
	103	TP_PROTO(struct cgroup *cgroup),
	104
	105	TP_ARGS(cgroup)
	106	);
	107
	108	DECLARE_EVENT_CLASS(cgroup_migrate,
	109
	110	TP_PROTO(struct cgroup dst_cgrp, struct task_struct task, bool threadgroup),
	111
	112	TP_ARGS(dst_cgrp, task, threadgroup),
	113
	114	TP_STRUCT__entry(
	115	__field( int, dst_root )
	116	__field( int, dst_id )
	117	__field( int, dst_level )
	118	__dynamic_array(char, dst_path,
17627157	119	cgroup_path(dst_cgrp, NULL, 0) + 1)
ed1777de TH	120	__field( int, pid )
	121	__string( comm, task->comm )
	122	),
	123
	124	TP_fast_assign(
	125	__entry->dst_root = dst_cgrp->root->hierarchy_id;
	126	__entry->dst_id = dst_cgrp->id;
	127	__entry->dst_level = dst_cgrp->level;
17627157 KK	128	cgroup_path(dst_cgrp, __get_dynamic_array(dst_path),
17627157 KK	129	__get_dynamic_array_len(dst_path));
ed1777de TH	130	__entry->pid = task->pid;
	131	__assign_str(comm, task->comm);
	132	),
	133
	134	TP_printk("dst_root=%d dst_id=%d dst_level=%d dst_path=%s pid=%d comm=%s",
	135	__entry->dst_root, __entry->dst_id, __entry->dst_level,
	136	__get_str(dst_path), __entry->pid, __get_str(comm))
	137	);
	138
	139	DEFINE_EVENT(cgroup_migrate, cgroup_attach_task,
	140
	141	TP_PROTO(struct cgroup dst_cgrp, struct task_struct task, bool threadgroup),
	142
	143	TP_ARGS(dst_cgrp, task, threadgroup)
	144	);
	145
	146	DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks,
	147
	148	TP_PROTO(struct cgroup dst_cgrp, struct task_struct task, bool threadgroup),
	149
	150	TP_ARGS(dst_cgrp, task, threadgroup)
	151	);
	152
	153	#endif /* _TRACE_CGROUP_H */
	154
	155	/* This part must be outside protection */
	156	#include <trace/define_trace.h>