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, id ) 63 __field( int, level ) 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=%d 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_id ) 130 __field( int, dst_level ) 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=%d 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, id ) 175 __field( int, level ) 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=%d 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