| Tejun Heo | ed1777d | 2016-08-10 11:23:44 -0400 | [diff] [blame^] | 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> |