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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef NDBTIMER_H
#define NDBTIMER_H
#include <NdbTick.h>
#include <NdbOut.hpp>
//
// Class used for measuring time and priting the results
//
// Currently measures time in milliseconds
//
class NdbTimer
{
public:
NdbTimer();
~NdbTimer() {};
void doStart();
void doStop();
void doReset();
NDB_TICKS elapsedTime();
void printTransactionStatistics(const char* text,
int numTransactions,
int numOperations);
void printTestTimer(int numLoops,
int numRecords);
void printTotalTime(void);
private:
NDB_TICKS startTime;
NDB_TICKS stopTime;
};
inline NdbTimer::NdbTimer(){
doReset();
}
inline void NdbTimer::doReset(void){
startTime = 0;
stopTime = 0;
}
inline void NdbTimer::doStart(void){
startTime = NdbTick_CurrentMillisecond();
}
inline void NdbTimer::doStop(void){
stopTime = NdbTick_CurrentMillisecond();
}
inline NDB_TICKS NdbTimer::elapsedTime(void){
return (stopTime - startTime);
}
inline void NdbTimer::printTransactionStatistics(const char* text,
int numTransactions,
int numOperations){
// Convert to Uint32 in order to be able to print it to screen
Uint32 lapTime = (Uint32)elapsedTime();
ndbout_c("%i transactions, %i %s total time = %d ms\nAverage %f ms/transaction, %f ms/%s.\n%f transactions/second, %f %ss/second.\n",
numTransactions, numTransactions*numOperations, text, lapTime,
((double)lapTime/numTransactions), ((double)lapTime/(numTransactions*numOperations)), text,
1000.0/((double)lapTime/numOperations), 1000.0/((double)lapTime/(numTransactions*numOperations)), text);
}
inline void NdbTimer::printTestTimer(int numLoops,
int numRecords){
// Convert to Uint32 in order to be able to print it to screen
Uint32 lapTime = (Uint32)elapsedTime();
ndbout_c("%i loop * %i records, total time = %d ms\nAverage %f ms/loop, %f ms/record.\n%f looop/second, %f records/second.\n",
numLoops, numRecords, lapTime,
((double)lapTime/numLoops), ((double)lapTime/(numLoops*numRecords)),
1000.0/((double)lapTime/numLoops), 1000.0/((double)lapTime/(numLoops*numRecords)));
}
inline void NdbTimer::printTotalTime(void){
// Convert to Uint32 in order to be able to print it to screen
Uint32 lapTime = (Uint32)elapsedTime();
Uint32 secTime = lapTime/1000;
ndbout_c("Total time : %d seconds (%d ms)\n", secTime, lapTime);
}
#endif
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