rocksdb/thrift/lib/cpp/test/loadgen/QpsScoreBoard.h
Dhruba Borthakur 80c663882a Create leveldb server via Thrift.
Summary:
First draft.
Unit tests pass.

Test Plan: unit tests attached

Reviewers: heyongqiang

Reviewed By: heyongqiang

Differential Revision: https://reviews.facebook.net/D3969
2012-07-07 09:42:39 -07:00

81 lines
2.2 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef THRIFT_TEST_LOADGEN_QPSSCOREBOARD_H_
#define THRIFT_TEST_LOADGEN_QPSSCOREBOARD_H_ 1
#include "thrift/lib/cpp/test/loadgen/ScoreBoard.h"
#include "thrift/lib/cpp/test/loadgen/ScoreBoardOpVector.h"
namespace apache { namespace thrift { namespace loadgen {
/**
* A ScoreBoard that tracks number of queries per second.
*
* This is a very simple scoreboard, that adds very little overhead.
*/
class QpsScoreBoard : public ScoreBoard {
public:
QpsScoreBoard(uint32_t numOpsHint) : opData_(numOpsHint) {}
virtual void opStarted(uint32_t opType);
virtual void opSucceeded(uint32_t opType);
virtual void opFailed(uint32_t opType);
/**
* Get the number of operations performed for a specific operation type.
*/
uint64_t getCount(uint32_t opType) const;
/**
* Compute the total number of operations performed, for all operation types.
*/
uint64_t computeTotalCount() const;
/**
* Zero out the statistics.
*/
void zero();
/**
* Add the counters from another scoreboard to this one.
*/
void accumulate(const QpsScoreBoard* other);
private:
struct OpData {
OpData() : count(0) {}
void zero() {
count = 0;
}
void accumulate(const OpData* other) {
count += other->count;
}
uint64_t count;
};
ScoreBoardOpVector<OpData> opData_;
};
}}} // apache::thrift::loadgen
#endif // THRIFT_TEST_LOADGEN_QPSSCOREBOARD_H_