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 | |
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, const char *path), |
57 | |
58 | TP_ARGS(cgrp, path), |
59 | |
60 | TP_STRUCT__entry( |
61 | __field( int, root ) |
62 | __field( int, level ) |
63 | __field( u64, id ) |
64 | __string( path, path ) |
65 | ), |
66 | |
67 | TP_fast_assign( |
68 | __entry->root = cgrp->root->hierarchy_id; |
69 | __entry->id = cgroup_id(cgrp); |
70 | __entry->level = cgrp->level; |
71 | __assign_str(path, path); |
72 | ), |
73 | |
74 | TP_printk("root=%d id=%llu level=%d path=%s" , |
75 | __entry->root, __entry->id, __entry->level, __get_str(path)) |
76 | ); |
77 | |
78 | DEFINE_EVENT(cgroup, cgroup_mkdir, |
79 | |
80 | TP_PROTO(struct cgroup *cgrp, const char *path), |
81 | |
82 | TP_ARGS(cgrp, path) |
83 | ); |
84 | |
85 | DEFINE_EVENT(cgroup, cgroup_rmdir, |
86 | |
87 | TP_PROTO(struct cgroup *cgrp, const char *path), |
88 | |
89 | TP_ARGS(cgrp, path) |
90 | ); |
91 | |
92 | DEFINE_EVENT(cgroup, cgroup_release, |
93 | |
94 | TP_PROTO(struct cgroup *cgrp, const char *path), |
95 | |
96 | TP_ARGS(cgrp, path) |
97 | ); |
98 | |
99 | DEFINE_EVENT(cgroup, cgroup_rename, |
100 | |
101 | TP_PROTO(struct cgroup *cgrp, const char *path), |
102 | |
103 | TP_ARGS(cgrp, path) |
104 | ); |
105 | |
106 | DEFINE_EVENT(cgroup, cgroup_freeze, |
107 | |
108 | TP_PROTO(struct cgroup *cgrp, const char *path), |
109 | |
110 | TP_ARGS(cgrp, path) |
111 | ); |
112 | |
113 | DEFINE_EVENT(cgroup, cgroup_unfreeze, |
114 | |
115 | TP_PROTO(struct cgroup *cgrp, const char *path), |
116 | |
117 | TP_ARGS(cgrp, path) |
118 | ); |
119 | |
120 | DECLARE_EVENT_CLASS(cgroup_migrate, |
121 | |
122 | TP_PROTO(struct cgroup *dst_cgrp, const char *path, |
123 | struct task_struct *task, bool threadgroup), |
124 | |
125 | TP_ARGS(dst_cgrp, path, task, threadgroup), |
126 | |
127 | TP_STRUCT__entry( |
128 | __field( int, dst_root ) |
129 | __field( int, dst_level ) |
130 | __field( u64, dst_id ) |
131 | __field( int, pid ) |
132 | __string( dst_path, path ) |
133 | __string( comm, task->comm ) |
134 | ), |
135 | |
136 | TP_fast_assign( |
137 | __entry->dst_root = dst_cgrp->root->hierarchy_id; |
138 | __entry->dst_id = cgroup_id(dst_cgrp); |
139 | __entry->dst_level = dst_cgrp->level; |
140 | __assign_str(dst_path, path); |
141 | __entry->pid = task->pid; |
142 | __assign_str(comm, task->comm); |
143 | ), |
144 | |
145 | TP_printk("dst_root=%d dst_id=%llu dst_level=%d dst_path=%s pid=%d comm=%s" , |
146 | __entry->dst_root, __entry->dst_id, __entry->dst_level, |
147 | __get_str(dst_path), __entry->pid, __get_str(comm)) |
148 | ); |
149 | |
150 | DEFINE_EVENT(cgroup_migrate, cgroup_attach_task, |
151 | |
152 | TP_PROTO(struct cgroup *dst_cgrp, const char *path, |
153 | struct task_struct *task, bool threadgroup), |
154 | |
155 | TP_ARGS(dst_cgrp, path, task, threadgroup) |
156 | ); |
157 | |
158 | DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks, |
159 | |
160 | TP_PROTO(struct cgroup *dst_cgrp, const char *path, |
161 | struct task_struct *task, bool threadgroup), |
162 | |
163 | TP_ARGS(dst_cgrp, path, task, threadgroup) |
164 | ); |
165 | |
166 | DECLARE_EVENT_CLASS(cgroup_event, |
167 | |
168 | TP_PROTO(struct cgroup *cgrp, const char *path, int val), |
169 | |
170 | TP_ARGS(cgrp, path, val), |
171 | |
172 | TP_STRUCT__entry( |
173 | __field( int, root ) |
174 | __field( int, level ) |
175 | __field( u64, id ) |
176 | __string( path, path ) |
177 | __field( int, val ) |
178 | ), |
179 | |
180 | TP_fast_assign( |
181 | __entry->root = cgrp->root->hierarchy_id; |
182 | __entry->id = cgroup_id(cgrp); |
183 | __entry->level = cgrp->level; |
184 | __assign_str(path, path); |
185 | __entry->val = val; |
186 | ), |
187 | |
188 | TP_printk("root=%d id=%llu level=%d path=%s val=%d" , |
189 | __entry->root, __entry->id, __entry->level, __get_str(path), |
190 | __entry->val) |
191 | ); |
192 | |
193 | DEFINE_EVENT(cgroup_event, cgroup_notify_populated, |
194 | |
195 | TP_PROTO(struct cgroup *cgrp, const char *path, int val), |
196 | |
197 | TP_ARGS(cgrp, path, val) |
198 | ); |
199 | |
200 | DEFINE_EVENT(cgroup_event, cgroup_notify_frozen, |
201 | |
202 | TP_PROTO(struct cgroup *cgrp, const char *path, int val), |
203 | |
204 | TP_ARGS(cgrp, path, val) |
205 | ); |
206 | |
207 | #endif /* _TRACE_CGROUP_H */ |
208 | |
209 | /* This part must be outside protection */ |
210 | #include <trace/define_trace.h> |
211 | |