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), 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 80 DEFINE_EVENT(cgroup, cgroup_mkdir, 81 82 TP_PROTO(struct cgroup *cgroup), 83 84 TP_ARGS(cgroup) 85 ); 86 87 DEFINE_EVENT(cgroup, cgroup_rmdir, 88 89 TP_PROTO(struct cgroup *cgroup), 90 91 TP_ARGS(cgroup) 92 ); 93 94 DEFINE_EVENT(cgroup, cgroup_release, 95 96 TP_PROTO(struct cgroup *cgroup), 97 98 TP_ARGS(cgroup) 99 ); 100 101 DEFINE_EVENT(cgroup, cgroup_rename, 102 103 TP_PROTO(struct cgroup *cgroup), 104 105 TP_ARGS(cgroup) 106 ); 107 108 DECLARE_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 ); 138 139 DEFINE_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 ); 145 146 DEFINE_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> 157