16903c35b0
Summary: Add Tickers to count Write's and Get's Test Plan: make check Reviewers: dhruba, chip Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D7977
50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
// 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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#include <cassert>
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#include <stdlib.h>
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#include <vector>
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#include "leveldb/statistics.h"
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#include "port/port.h"
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#include "util/mutexlock.h"
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namespace leveldb {
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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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void incNumFileOpens() {
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MutexLock l(&mu_);
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numFileOpens_++;
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}
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void incNumFileCloses() {
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MutexLock l(&mu_);
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numFileCloses_++;
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}
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void incNumFileErrors() {
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MutexLock l(&mu_);
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numFileErrors_++;
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}
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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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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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private:
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port::Mutex mu_;
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std::vector<Ticker> allTickers_;
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};
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}
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