mirror of https://github.com/facebook/rocksdb.git
70 lines
2.1 KiB
C++
70 lines
2.1 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 operation and state.
|
|
// Thread operations are used to describe high level action of a
|
|
// thread such as doing compaction or flush, while thread state
|
|
// are used to describe lower-level action such as reading /
|
|
// writing a file or waiting for a mutex. Operations and states
|
|
// are designed to be independent. Typically, a thread usually involves
|
|
// in one operation and one state 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 operation.
|
|
struct OperationInfo {
|
|
const ThreadStatus::OperationType type;
|
|
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.
|
|
//
|
|
// Note that it's not designed to be constant as in the future we
|
|
// might consider adding global count to the OperationInfo.
|
|
static OperationInfo global_operation_table[] = {
|
|
{ThreadStatus::OP_UNKNOWN, ""},
|
|
{ThreadStatus::OP_COMPACTION, "Compaction"},
|
|
{ThreadStatus::OP_FLUSH, "Flush"}
|
|
};
|
|
|
|
// The structure that describes a state.
|
|
struct StateInfo {
|
|
const ThreadStatus::StateType type;
|
|
const std::string name;
|
|
};
|
|
|
|
// The global state table.
|
|
//
|
|
// When updating a status of a thread, the pointer of the StateInfo
|
|
// of the current ThreadStatusData will be pointing to one of the
|
|
// rows in this global table.
|
|
static StateInfo global_state_table[] = {
|
|
{ThreadStatus::STATE_UNKNOWN, ""},
|
|
{ThreadStatus::STATE_MUTEX_WAIT, "Mutex Wait"},
|
|
};
|
|
|
|
#else
|
|
|
|
struct OperationInfo {
|
|
};
|
|
|
|
struct StateInfo {
|
|
};
|
|
|
|
#endif // ROCKSDB_USING_THREAD_STATUS
|
|
} // namespace rocksdb
|