| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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> |