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c594b0e89d
Summary: Allow GetThreadList() to report operation stage.
Test Plan:
./thread_list_test
./db_bench --benchmarks=fillrandom --num=100000 --threads=40 \
--max_background_compactions=10 --max_background_flushes=3 \
--thread_status_per_interval=1000 --key_size=16 --value_size=1000 \
--num_column_families=10
export ROCKSDB_TESTS=ThreadStatus
./db_test
Sample output
ThreadID ThreadType cfName Operation OP_StartTime ElapsedTime Stage State
140116265861184 Low Pri
140116270055488 Low Pri
140116274249792 High Pri column_family_name_000005 Flush 2015/03/10-14:58:11 0 us FlushJob::WriteLevel0Table
140116400078912 Low Pri column_family_name_000004 Compaction 2015/03/10-14:58:11 0 us CompactionJob::FinishCompactionOutputFile
140116358135872 Low Pri column_family_name_000006 Compaction 2015/03/10-14:58:10 1 us CompactionJob::FinishCompactionOutputFile
140116341358656 Low Pri
140116295221312 High Pri default Flush 2015/03/10-14:58:11 0 us FlushJob::WriteLevel0Table
140116324581440 Low Pri column_family_name_000009 Compaction 2015/03/10-14:58:11 0 us CompactionJob::ProcessKeyValueCompaction
140116278444096 Low Pri
140116299415616 Low Pri column_family_name_000008 Compaction 2015/03/10-14:58:11 0 us CompactionJob::FinishCompactionOutputFile
140116291027008 High Pri column_family_name_000001 Flush 2015/03/10-14:58:11 0 us FlushJob::WriteLevel0Table
140116286832704 Low Pri column_family_name_000002 Compaction 2015/03/10-14:58:11 0 us CompactionJob::FinishCompactionOutputFile
140116282638400 Low Pri
Reviewers: rven, igor, sdong
Reviewed By: sdong
Subscribers: dhruba, leveldb
Differential Revision: https://reviews.facebook.net/D34683
104 lines
3.3 KiB
C++
104 lines
3.3 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 operation and state.
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// Thread operations are used to describe high level action of a
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// thread such as doing compaction or flush, while thread state
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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. Operations and states
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// are designed to be independent. Typically, a thread usually involves
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// in one operation and one state 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 operation.
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struct OperationInfo {
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const ThreadStatus::OperationType type;
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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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//
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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 OperationInfo.
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static OperationInfo global_operation_table[] = {
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{ThreadStatus::OP_UNKNOWN, ""},
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{ThreadStatus::OP_COMPACTION, "Compaction"},
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{ThreadStatus::OP_FLUSH, "Flush"}
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};
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struct OperationStageInfo {
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const ThreadStatus::OperationStage stage;
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const std::string name;
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};
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// A table maintains the mapping from stage type to stage string.
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// Note that the string must be changed accordingly when the
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// associated function name changed.
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static OperationStageInfo global_op_stage_table[] = {
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{ThreadStatus::STAGE_UNKNOWN, ""},
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{ThreadStatus::STAGE_FLUSH_RUN,
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"FlushJob::Run"},
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{ThreadStatus::STAGE_FLUSH_WRITE_L0,
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"FlushJob::WriteLevel0Table"},
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{ThreadStatus::STAGE_COMPACTION_PREPARE,
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"CompactionJob::Prepare"},
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{ThreadStatus::STAGE_COMPACTION_RUN,
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"CompactionJob::Run"},
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{ThreadStatus::STAGE_COMPACTION_PROCESS_KV,
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"CompactionJob::ProcessKeyValueCompaction"},
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{ThreadStatus::STAGE_COMPACTION_FILTER_V2,
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"CompactionJob::CallCompactionFilterV2"},
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{ThreadStatus::STAGE_COMPACTION_INSTALL,
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"CompactionJob::Install"},
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{ThreadStatus::STAGE_COMPACTION_SYNC_FILE,
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"CompactionJob::FinishCompactionOutputFile"},
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{ThreadStatus::STAGE_PICK_MEMTABLES_TO_FLUSH,
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"MemTableList::PickMemtablesToFlush"},
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{ThreadStatus::STAGE_MEMTABLE_ROLLBACK,
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"MemTableList::RollbackMemtableFlush"},
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{ThreadStatus::STAGE_MEMTABLE_INSTALL_FLUSH_RESULTS,
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"MemTableList::InstallMemtableFlushResults"},
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};
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// The structure that describes a state.
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struct StateInfo {
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const ThreadStatus::StateType type;
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const std::string name;
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};
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// The global state table.
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//
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// When updating a status of a thread, the pointer of the StateInfo
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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 StateInfo global_state_table[] = {
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{ThreadStatus::STATE_UNKNOWN, ""},
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{ThreadStatus::STATE_MUTEX_WAIT, "Mutex Wait"},
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};
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#else
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struct OperationInfo {
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};
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struct StateInfo {
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};
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#endif // ROCKSDB_USING_THREAD_STATUS
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} // namespace rocksdb
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