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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
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
11DECLARE_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
33DEFINE_EVENT(cgroup_root, cgroup_setup_root,
34
35 TP_PROTO(struct cgroup_root *root),
36
37 TP_ARGS(root)
38);
39
40DEFINE_EVENT(cgroup_root, cgroup_destroy_root,
41
42 TP_PROTO(struct cgroup_root *root),
43
44 TP_ARGS(root)
45);
46
47DEFINE_EVENT(cgroup_root, cgroup_remount,
48
49 TP_PROTO(struct cgroup_root *root),
50
51 TP_ARGS(root)
52);
53
54DECLARE_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,
65 cgroup_path(cgrp, NULL, 0) + 1)
66 ),
67
68 TP_fast_assign(
69 __entry->root = cgrp->root->hierarchy_id;
70 __entry->id = cgrp->id;
71 __entry->level = cgrp->level;
72 cgroup_path(cgrp, __get_dynamic_array(path),
73 __get_dynamic_array_len(path));
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
80DEFINE_EVENT(cgroup, cgroup_mkdir,
81
82 TP_PROTO(struct cgroup *cgroup),
83
84 TP_ARGS(cgroup)
85);
86
87DEFINE_EVENT(cgroup, cgroup_rmdir,
88
89 TP_PROTO(struct cgroup *cgroup),
90
91 TP_ARGS(cgroup)
92);
93
94DEFINE_EVENT(cgroup, cgroup_release,
95
96 TP_PROTO(struct cgroup *cgroup),
97
98 TP_ARGS(cgroup)
99);
100
101DEFINE_EVENT(cgroup, cgroup_rename,
102
103 TP_PROTO(struct cgroup *cgroup),
104
105 TP_ARGS(cgroup)
106);
107
108DECLARE_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,
119 cgroup_path(dst_cgrp, NULL, 0) + 1)
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;
128 cgroup_path(dst_cgrp, __get_dynamic_array(dst_path),
129 __get_dynamic_array_len(dst_path));
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
139DEFINE_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
146DEFINE_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>