117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
/* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef NDBTIMER_H
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#define NDBTIMER_H
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#include <NdbTick.h>
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#include <NdbOut.hpp>
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//
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// Class used for measuring time and printing the results
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//
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// Currently measures time in milliseconds
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//
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class NdbTimer
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{
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public:
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NdbTimer();
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~NdbTimer() {}
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void doStart();
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void doStop();
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void doReset();
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Uint64 elapsedTime() const;
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void printTransactionStatistics(const char* text,
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int numTransactions,
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int numOperations);
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void printTestTimer(int numLoops,
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int numRecords);
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void printTotalTime(void);
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private:
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NDB_TICKS startTicks;
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NDB_TICKS stopTicks;
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};
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inline NdbTimer::NdbTimer(){
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doReset();
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}
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inline void NdbTimer::doReset(void){
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NdbTick_Invalidate(&startTicks);
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NdbTick_Invalidate(&stopTicks);
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}
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inline void NdbTimer::doStart(void){
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startTicks = NdbTick_getCurrentTicks();
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}
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inline void NdbTimer::doStop(void){
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stopTicks = NdbTick_getCurrentTicks();
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}
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inline Uint64 NdbTimer::elapsedTime(void) const {
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return NdbTick_Elapsed(startTicks,stopTicks).milliSec();
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}
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inline void NdbTimer::printTransactionStatistics(const char* text,
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int numTransactions,
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int numOperations){
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// Convert to Uint32 in order to be able to print it to screen
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Uint32 lapTime = (Uint32)elapsedTime();
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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",
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numTransactions, numTransactions*numOperations, text, lapTime,
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((double)lapTime/numTransactions), ((double)lapTime/(numTransactions*numOperations)), text,
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1000.0/((double)lapTime/numOperations), 1000.0/((double)lapTime/(numTransactions*numOperations)), text);
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}
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inline void NdbTimer::printTestTimer(int numLoops,
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int numRecords){
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// Convert to Uint32 in order to be able to print it to screen
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Uint32 lapTime = (Uint32)elapsedTime();
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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",
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numLoops, numRecords, lapTime,
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((double)lapTime/numLoops), ((double)lapTime/(numLoops*numRecords)),
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1000.0/((double)lapTime/numLoops), 1000.0/((double)lapTime/(numLoops*numRecords)));
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}
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inline void NdbTimer::printTotalTime(void){
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// Convert to Uint32 in order to be able to print it to screen
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Uint32 lapTime = (Uint32)elapsedTime();
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Uint32 secTime = lapTime/1000;
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ndbout_c("Total time : %d seconds (%d ms)\n", secTime, lapTime);
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}
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#endif
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