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