Summary: I'm separating code-cleanup part of https://reviews.facebook.net/D14517. This will make D14517 easier to understand and this diff easier to review. Test Plan: make check Reviewers: haobo, kailiu, sdong, dhruba, tnovak Reviewed By: tnovak CC: leveldb Differential Revision: https://reviews.facebook.net/D15099main
Igor Canadi
11 years ago
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0f4a75b710
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83681bf9ef
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// 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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#include "db/db_statistics.h" |
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namespace rocksdb { |
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std::shared_ptr<Statistics> CreateDBStatistics() { |
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return std::make_shared<DBStatistics>(); |
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} |
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} // namespace rocksdb
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// 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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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#pragma once |
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#include <cassert> |
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#include <stdlib.h> |
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#include <vector> |
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#include <memory> |
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#include "rocksdb/statistics.h" |
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#include "util/histogram.h" |
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#include "port/port.h" |
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#include "util/mutexlock.h" |
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namespace rocksdb { |
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class DBStatistics: public Statistics { |
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public: |
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DBStatistics() : allTickers_(TICKER_ENUM_MAX), |
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allHistograms_(HISTOGRAM_ENUM_MAX) { } |
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virtual ~DBStatistics() {} |
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virtual long getTickerCount(Tickers tickerType) { |
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assert(tickerType < TICKER_ENUM_MAX); |
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return allTickers_[tickerType].getCount(); |
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} |
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virtual void setTickerCount(Tickers tickerType, uint64_t count) { |
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assert(tickerType < TICKER_ENUM_MAX); |
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allTickers_[tickerType].setTickerCount(count); |
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} |
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virtual void recordTick(Tickers tickerType, uint64_t count) { |
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assert(tickerType < TICKER_ENUM_MAX); |
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allTickers_[tickerType].recordTick(count); |
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} |
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virtual void measureTime(Histograms histogramType, uint64_t value) { |
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assert(histogramType < HISTOGRAM_ENUM_MAX); |
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allHistograms_[histogramType].Add(value); |
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} |
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virtual void histogramData(Histograms histogramType, |
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HistogramData * const data) { |
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assert(histogramType < HISTOGRAM_ENUM_MAX); |
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allHistograms_[histogramType].Data(data); |
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} |
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std::vector<Ticker> allTickers_; |
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std::vector<HistogramImpl> allHistograms_; |
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}; |
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std::shared_ptr<Statistics> CreateDBStatistics(); |
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} // namespace rocksdb
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// 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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#pragma once |
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#include "rocksdb/statistics.h" |
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#include "util/histogram.h" |
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#include "util/mutexlock.h" |
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#define UNLIKELY(val) (__builtin_expect((val), 0)) |
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namespace rocksdb { |
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class StatisticsImpl : public Statistics { |
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public: |
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StatisticsImpl(); |
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virtual ~StatisticsImpl(); |
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virtual long getTickerCount(Tickers tickerType); |
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virtual void setTickerCount(Tickers tickerType, uint64_t count); |
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virtual void recordTick(Tickers tickerType, uint64_t count); |
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virtual void measureTime(Histograms histogramType, uint64_t value); |
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virtual void histogramData(Histograms histogramType, |
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HistogramData* const data); |
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private: |
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std::atomic_uint_fast64_t tickers_[TICKER_ENUM_MAX]; |
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HistogramImpl histograms_[HISTOGRAM_ENUM_MAX]; |
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}; |
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// Utility functions
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inline void MeasureTime(Statistics* statistics, Histograms histogramType, |
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uint64_t value) { |
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if (statistics) { |
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statistics->measureTime(histogramType, value); |
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} |
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} |
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inline void RecordTick(Statistics* statistics, Tickers ticker, |
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uint64_t count = 1) { |
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if (statistics) { |
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statistics->recordTick(ticker, count); |
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} |
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} |
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inline void SetTickerCount(Statistics* statistics, Tickers ticker, |
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uint64_t count) { |
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if (statistics) { |
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statistics->setTickerCount(ticker, count); |
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} |
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} |
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} |
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// 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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#pragma once |
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#include "rocksdb/statistics.h" |
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namespace rocksdb { |
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// Utility functions
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inline void RecordTick(Statistics* statistics, |
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Tickers ticker, |
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uint64_t count = 1) { |
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assert(HistogramsNameMap.size() == HISTOGRAM_ENUM_MAX); |
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assert(TickersNameMap.size() == TICKER_ENUM_MAX); |
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if (statistics) { |
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statistics->recordTick(ticker, count); |
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} |
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} |
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inline void SetTickerCount(Statistics* statistics, |
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Tickers ticker, |
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uint64_t count) { |
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assert(HistogramsNameMap.size() == HISTOGRAM_ENUM_MAX); |
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assert(TickersNameMap.size() == TICKER_ENUM_MAX); |
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if (statistics) { |
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statistics->setTickerCount(ticker, count); |
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} |
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} |
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} |
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