Release 4.12 include/trace/events/cgroup.h

#undef TRACE_SYSTEM

#define TRACE_SYSTEM cgroup

#if !defined(_TRACE_CGROUP_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_CGROUP_H

#include <linux/cgroup.h>
#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(cgroup_root,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root),

	TP_STRUCT__entry(
                __field(        int,            root                    )
                __field(        u16,            ss_mask                 )
                __string(       name,           root->name              )
        ),

	TP_fast_assign(
                __entry->root = root->hierarchy_id;
                __entry->ss_mask = root->subsys_mask;
                __assign_str(name, root->name);
        ),

	TP_printk("root=%d ss_mask=%#x name=%s",
                  __entry->root, __entry->ss_mask, __get_str(name))
);

DEFINE_EVENT(cgroup_root, cgroup_setup_root,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root)
);

DEFINE_EVENT(cgroup_root, cgroup_destroy_root,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root)
);

DEFINE_EVENT(cgroup_root, cgroup_remount,

	TP_PROTO(struct cgroup_root *root),

	TP_ARGS(root)
);

DECLARE_EVENT_CLASS(cgroup,

	TP_PROTO(struct cgroup *cgrp),

	TP_ARGS(cgrp),

	TP_STRUCT__entry(
                __field(        int,            root                    )
                __field(        int,            id                      )
                __field(        int,            level                   )
                __dynamic_array(char,           path,
                                cgroup_path(cgrp, NULL, 0) + 1)
        ),

	TP_fast_assign(
                __entry->root = cgrp->root->hierarchy_id;
                __entry->id = cgrp->id;
                __entry->level = cgrp->level;
                cgroup_path(cgrp, __get_dynamic_array(path),
                                  __get_dynamic_array_len(path));
        ),

	TP_printk("root=%d id=%d level=%d path=%s",
                  __entry->root, __entry->id, __entry->level, __get_str(path))
);

DEFINE_EVENT(cgroup, cgroup_mkdir,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DEFINE_EVENT(cgroup, cgroup_rmdir,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DEFINE_EVENT(cgroup, cgroup_release,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DEFINE_EVENT(cgroup, cgroup_rename,

	TP_PROTO(struct cgroup *cgroup),

	TP_ARGS(cgroup)
);

DECLARE_EVENT_CLASS(cgroup_migrate,

	TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),

	TP_ARGS(dst_cgrp, task, threadgroup),

	TP_STRUCT__entry(
                __field(        int,            dst_root                )
                __field(        int,            dst_id                  )
                __field(        int,            dst_level               )
                __dynamic_array(char,           dst_path,
                                cgroup_path(dst_cgrp, NULL, 0) + 1)
                __field(        int,            pid                     )
                __string(       comm,           task->comm              )
        ),

	TP_fast_assign(
                __entry->dst_root = dst_cgrp->root->hierarchy_id;
                __entry->dst_id = dst_cgrp->id;
                __entry->dst_level = dst_cgrp->level;
                cgroup_path(dst_cgrp, __get_dynamic_array(dst_path),
                                      __get_dynamic_array_len(dst_path));
                __entry->pid = task->pid;
                __assign_str(comm, task->comm);
        ),

	TP_printk("dst_root=%d dst_id=%d dst_level=%d dst_path=%s pid=%d comm=%s",
                  __entry->dst_root, __entry->dst_id, __entry->dst_level,
                  __get_str(dst_path), __entry->pid, __get_str(comm))
);

DEFINE_EVENT(cgroup_migrate, cgroup_attach_task,

	TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),

	TP_ARGS(dst_cgrp, task, threadgroup)
);

DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks,

	TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),

	TP_ARGS(dst_cgrp, task, threadgroup)
);

#endif /* _TRACE_CGROUP_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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Directory: include/trace/events

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