1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM cgroup 3 4 #if !defined(_TRACE_CGROUP_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_CGROUP_H 6 7 #include <linux/cgroup.h> 8 #include <linux/tracepoint.h> 9 10 DECLARE_EVENT_CLASS(cgroup_root, 11 12 TP_PROTO(struct cgroup_root *root), 13 14 TP_ARGS(root), 15 16 TP_STRUCT__entry( 17 __field( int, root ) 18 __field( u16, ss_mask ) 19 __string( name, root->name ) 20 ), 21 22 TP_fast_assign( 23 __entry->root = root->hierarchy_id; 24 __entry->ss_mask = root->subsys_mask; 25 __assign_str(name, root->name); 26 ), 27 28 TP_printk("root=%d ss_mask=%#x name=%s", 29 __entry->root, __entry->ss_mask, __get_str(name)) 30 ); 31 32 DEFINE_EVENT(cgroup_root, cgroup_setup_root, 33 34 TP_PROTO(struct cgroup_root *root), 35 36 TP_ARGS(root) 37 ); 38 39 DEFINE_EVENT(cgroup_root, cgroup_destroy_root, 40 41 TP_PROTO(struct cgroup_root *root), 42 43 TP_ARGS(root) 44 ); 45 46 DEFINE_EVENT(cgroup_root, cgroup_remount, 47 48 TP_PROTO(struct cgroup_root *root), 49 50 TP_ARGS(root) 51 ); 52 53 DECLARE_EVENT_CLASS(cgroup, 54 55 TP_PROTO(struct cgroup *cgrp), 56 57 TP_ARGS(cgrp), 58 59 TP_STRUCT__entry( 60 __field( int, root ) 61 __field( int, id ) 62 __field( int, level ) 63 __dynamic_array(char, path, 64 cgrp->kn ? cgroup_path(cgrp, NULL, 0) + 1 65 : strlen("(null)")) 66 ), 67 68 TP_fast_assign( 69 __entry->root = cgrp->root->hierarchy_id; 70 __entry->id = cgrp->id; 71 __entry->level = cgrp->level; 72 if (cgrp->kn) 73 cgroup_path(cgrp, __get_dynamic_array(path), 74 __get_dynamic_array_len(path)); 75 else 76 __assign_str(path, "(null)"); 77 ), 78 79 TP_printk("root=%d id=%d level=%d path=%s", 80 __entry->root, __entry->id, __entry->level, __get_str(path)) 81 ); 82 83 DEFINE_EVENT(cgroup, cgroup_mkdir, 84 85 TP_PROTO(struct cgroup *cgroup), 86 87 TP_ARGS(cgroup) 88 ); 89 90 DEFINE_EVENT(cgroup, cgroup_rmdir, 91 92 TP_PROTO(struct cgroup *cgroup), 93 94 TP_ARGS(cgroup) 95 ); 96 97 DEFINE_EVENT(cgroup, cgroup_release, 98 99 TP_PROTO(struct cgroup *cgroup), 100 101 TP_ARGS(cgroup) 102 ); 103 104 DEFINE_EVENT(cgroup, cgroup_rename, 105 106 TP_PROTO(struct cgroup *cgroup), 107 108 TP_ARGS(cgroup) 109 ); 110 111 DECLARE_EVENT_CLASS(cgroup_migrate, 112 113 TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup), 114 115 TP_ARGS(dst_cgrp, task, threadgroup), 116 117 TP_STRUCT__entry( 118 __field( int, dst_root ) 119 __field( int, dst_id ) 120 __field( int, dst_level ) 121 __dynamic_array(char, dst_path, 122 dst_cgrp->kn ? cgroup_path(dst_cgrp, NULL, 0) + 1 123 : strlen("(null)")) 124 __field( int, pid ) 125 __string( comm, task->comm ) 126 ), 127 128 TP_fast_assign( 129 __entry->dst_root = dst_cgrp->root->hierarchy_id; 130 __entry->dst_id = dst_cgrp->id; 131 __entry->dst_level = dst_cgrp->level; 132 if (dst_cgrp->kn) 133 cgroup_path(dst_cgrp, __get_dynamic_array(dst_path), 134 __get_dynamic_array_len(dst_path)); 135 else 136 __assign_str(dst_path, "(null)"); 137 __entry->pid = task->pid; 138 __assign_str(comm, task->comm); 139 ), 140 141 TP_printk("dst_root=%d dst_id=%d dst_level=%d dst_path=%s pid=%d comm=%s", 142 __entry->dst_root, __entry->dst_id, __entry->dst_level, 143 __get_str(dst_path), __entry->pid, __get_str(comm)) 144 ); 145 146 DEFINE_EVENT(cgroup_migrate, cgroup_attach_task, 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 DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks, 154 155 TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup), 156 157 TP_ARGS(dst_cgrp, task, threadgroup) 158 ); 159 160 #endif /* _TRACE_CGROUP_H */ 161 162 /* This part must be outside protection */ 163 #include <trace/define_trace.h> 164