2 #define TRACE_SYSTEM cgroup
4 #if !defined(_TRACE_CGROUP_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_CGROUP_H
7 #include <linux/cgroup.h>
8 #include <linux/tracepoint.h>
10 DECLARE_EVENT_CLASS(cgroup_root,
12 TP_PROTO(struct cgroup_root *root),
18 __field( u16, ss_mask )
19 __string( name, root->name )
23 __entry->root = root->hierarchy_id;
24 __entry->ss_mask = root->subsys_mask;
25 __assign_str(name, root->name);
28 TP_printk("root=%d ss_mask=%#x name=%s",
29 __entry->root, __entry->ss_mask, __get_str(name))
32 DEFINE_EVENT(cgroup_root, cgroup_setup_root,
34 TP_PROTO(struct cgroup_root *root),
39 DEFINE_EVENT(cgroup_root, cgroup_destroy_root,
41 TP_PROTO(struct cgroup_root *root),
46 DEFINE_EVENT(cgroup_root, cgroup_remount,
48 TP_PROTO(struct cgroup_root *root),
53 DECLARE_EVENT_CLASS(cgroup,
55 TP_PROTO(struct cgroup *cgrp),
63 __dynamic_array(char, path,
64 cgroup_path(cgrp, NULL, 0) + 1)
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));
75 TP_printk("root=%d id=%d level=%d path=%s",
76 __entry->root, __entry->id, __entry->level, __get_str(path))
79 DEFINE_EVENT(cgroup, cgroup_mkdir,
81 TP_PROTO(struct cgroup *cgroup),
86 DEFINE_EVENT(cgroup, cgroup_rmdir,
88 TP_PROTO(struct cgroup *cgroup),
93 DEFINE_EVENT(cgroup, cgroup_release,
95 TP_PROTO(struct cgroup *cgroup),
100 DEFINE_EVENT(cgroup, cgroup_rename,
102 TP_PROTO(struct cgroup *cgroup),
107 DECLARE_EVENT_CLASS(cgroup_migrate,
109 TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),
111 TP_ARGS(dst_cgrp, task, threadgroup),
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)
120 __string( comm, task->comm )
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);
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))
138 DEFINE_EVENT(cgroup_migrate, cgroup_attach_task,
140 TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),
142 TP_ARGS(dst_cgrp, task, threadgroup)
145 DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks,
147 TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),
149 TP_ARGS(dst_cgrp, task, threadgroup)
152 #endif /* _TRACE_CGROUP_H */
154 /* This part must be outside protection */
155 #include <trace/define_trace.h>