c91cdd59c1
Summary: Allow GetThreadList() to indicate a thread is doing Compaction. Test Plan: export ROCKSDB_TESTS=ThreadStatus ./db_test Reviewers: ljin, igor, sdong Reviewed By: sdong Subscribers: leveldb, dhruba, jonahcohen, rven Differential Revision: https://reviews.facebook.net/D30105
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// This file defines the structures for thread event and operation.
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// Thread events are used to describe high level action of a
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// thread such as doing compaction or flush, while thread operation
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// are used to describe lower-level action such as reading /
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// writing a file or waiting for a mutex. Events and operations
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// are designed to be independent. Typically, a thread usually involves
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// in one event and one operation at any specific point in time.
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#pragma once
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#include "include/rocksdb/thread_status.h"
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#include <string>
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namespace rocksdb {
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#if ROCKSDB_USING_THREAD_STATUS
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// The structure that describes a major thread event.
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struct EventInfo {
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const ThreadStatus::EventType code;
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const std::string name;
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};
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// The global event table.
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//
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// When updating a status of a thread, the pointer of the EventInfo
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// of the current ThreadStatusData will be pointing to one of the
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// rows in this global table.
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//
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// Note that it's not designed to be constant as in the future we
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// might consider adding global count to the EventInfo.
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static EventInfo global_event_table[] = {
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{ThreadStatus::EVENT_UNKNOWN, ""},
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{ThreadStatus::EVENT_COMPACTION, "Compaction"},
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{ThreadStatus::EVENT_FLUSH, "Flush"}
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};
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// The structure that describes a operation.
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struct OperationInfo {
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const ThreadStatus::OperationType code;
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const std::string name;
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};
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// The global operation table.
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//
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// When updating a status of a thread, the pointer of the OperationInfo
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// of the current ThreadStatusData will be pointing to one of the
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// rows in this global table.
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static OperationInfo global_operation_table[] = {
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{ThreadStatus::OPERATION_UNKNOWN, ""},
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{ThreadStatus::OPERATION_WRITE_FILE, "Writing SST file"},
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{ThreadStatus::OPERATION_READ_FILE, "Reaing SST file"},
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{ThreadStatus::OPERATION_WAIT_DB_MUTEX, "Waiting DB Mutex"}
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};
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#else
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struct EventInfo {
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};
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struct OperationInfo {
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};
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#endif // ROCKSDB_USING_THREAD_STATUS
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} // namespace rocksdb
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