72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
|
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
|
||
|
|
// This source code is licensed under the BSD-style license found in the
|
||
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
||
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
||
|
|
//
|
||
|
|
// This file defines the structures for thread event and operation.
|
||
|
|
// Thread events are used to describe high level action of a
|
||
|
|
// thread such as doing compaction or flush, while thread operation
|
||
|
|
// are used to describe lower-level action such as reading /
|
||
|
|
// writing a file or waiting for a mutex. Events and operations
|
||
|
|
// are designed to be independent. Typically, a thread usually involves
|
||
|
|
// in one event and one operation at any specific point in time.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "include/rocksdb/thread_status.h"
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
namespace rocksdb {
|
||
|
|
|
||
|
|
#if ROCKSDB_USING_THREAD_STATUS
|
||
|
|
|
||
|
|
// The structure that describes a major thread event.
|
||
|
|
struct EventInfo {
|
||
|
|
const ThreadStatus::EventType code;
|
||
|
|
const std::string name;
|
||
|
|
};
|
||
|
|
|
||
|
|
// The global event table.
|
||
|
|
//
|
||
|
|
// When updating a status of a thread, the pointer of the EventInfo
|
||
|
|
// of the current ThreadStatusData will be pointing to one of the
|
||
|
|
// rows in this global table.
|
||
|
|
//
|
||
|
|
// Note that it's not designed to be constant as in the future we
|
||
|
|
// might consider adding global count to the EventInfo.
|
||
|
|
static EventInfo global_event_table[] = {
|
||
|
|
{ThreadStatus::EVENT_UNKNOWN, ""},
|
||
|
|
{ThreadStatus::EVENT_COMPACTION, "Compaction"},
|
||
|
|
{ThreadStatus::EVENT_FLUSH, "Flush"}
|
||
|
|
};
|
||
|
|
|
||
|
|
// The structure that describes a operation.
|
||
|
|
struct OperationInfo {
|
||
|
|
const ThreadStatus::OperationType code;
|
||
|
|
const std::string name;
|
||
|
|
};
|
||
|
|
|
||
|
|
// The global operation table.
|
||
|
|
//
|
||
|
|
// When updating a status of a thread, the pointer of the OperationInfo
|
||
|
|
// of the current ThreadStatusData will be pointing to one of the
|
||
|
|
// rows in this global table.
|
||
|
|
static OperationInfo global_operation_table[] = {
|
||
|
|
{ThreadStatus::OPERATION_UNKNOWN, ""},
|
||
|
|
{ThreadStatus::OPERATION_WRITE_FILE, "Writing SST file"},
|
||
|
|
{ThreadStatus::OPERATION_READ_FILE, "Reaing SST file"},
|
||
|
|
{ThreadStatus::OPERATION_WAIT_DB_MUTEX, "Waiting DB Mutex"}
|
||
|
|
};
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
struct EventInfo {
|
||
|
|
};
|
||
|
|
|
||
|
|
struct OperationInfo {
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // ROCKSDB_USING_THREAD_STATUS
|
||
|
|
} // namespace rocksdb
|