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Leonid Fedorov
@ -16,9 +16,9 @@
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MA 02110-1301, USA. */
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/*******************************************************************************
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* $Id: we_stats.cpp 4450 2013-01-21 14:13:24Z rdempsey $
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*
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*******************************************************************************/
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* $Id: we_stats.cpp 4450 2013-01-21 14:13:24Z rdempsey $
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*
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*******************************************************************************/
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/** @file */
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#include <we_stats.h>
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@ -28,16 +28,16 @@ using namespace std;
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namespace WriteEngine
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{
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#ifdef PROFILE
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/* static */ bool Stats::fProfiling = false;
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/* static */ boost::mutex Stats::fRegisterReaderMutex;
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/* static */ boost::mutex Stats::fRegisterParseMutex;
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/* static */ std::vector<pthread_t> Stats::fReadProfThreads;
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/* static */ std::vector<pthread_t> Stats::fParseProfThreads;
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/* static */ bool Stats::fProfiling = false;
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/* static */ boost::mutex Stats::fRegisterReaderMutex;
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/* static */ boost::mutex Stats::fRegisterParseMutex;
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/* static */ std::vector<pthread_t> Stats::fReadProfThreads;
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/* static */ std::vector<pthread_t> Stats::fParseProfThreads;
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/* static */ std::vector<logging::StopWatch> Stats::fReadStopWatch;
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/* static */ std::vector<logging::StopWatch> Stats::fParseStopWatch;
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#endif
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struct IoStats Stats::m_ioStats = { 0, 0 };
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struct IoStats Stats::m_ioStats = {0, 0};
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bool Stats::m_bUseStats = false;
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/***********************************************************
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* DESCRIPTION:
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@ -47,12 +47,12 @@ bool Stats::m_bUseStats = false;
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* RETURN:
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* none
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***********************************************************/
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void Stats::incIoBlockRead( const int blockNum )
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void Stats::incIoBlockRead(const int blockNum)
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{
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if ( !m_bUseStats )
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return;
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if (!m_bUseStats)
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return;
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m_ioStats.blockRead += blockNum;
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m_ioStats.blockRead += blockNum;
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}
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/***********************************************************
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@ -63,12 +63,12 @@ void Stats::incIoBlockRead( const int blockNum )
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* RETURN:
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* none
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***********************************************************/
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void Stats::incIoBlockWrite( const int blockNum )
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void Stats::incIoBlockWrite(const int blockNum)
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{
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if ( !m_bUseStats )
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return;
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if (!m_bUseStats)
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return;
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m_ioStats.blockWrite += blockNum;
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m_ioStats.blockWrite += blockNum;
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}
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#ifdef PROFILE
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@ -87,18 +87,18 @@ void Stats::incIoBlockWrite( const int blockNum )
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***********************************************************/
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void Stats::enableProfiling(int nReadThreads, int nParseThreads)
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{
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fProfiling = true;
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fProfiling = true;
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// @bug 2625: pre-reserve space for our vectors; else we could have a race
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// condition whereby one parsing thread is adding itself to the vectors
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// and thus "growing" the vector (in registerParseProfThread), at the
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// same time that another parsing thread is reading the vector in parse-
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// Event(). By pre-reserving the space, the vectors won't be growing,
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// thus eliminating the problem with this race condition.
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fReadProfThreads.reserve ( nReadThreads );
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fReadStopWatch.reserve ( nReadThreads );
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fParseProfThreads.reserve( nParseThreads );
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fParseStopWatch.reserve ( nParseThreads );
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// @bug 2625: pre-reserve space for our vectors; else we could have a race
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// condition whereby one parsing thread is adding itself to the vectors
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// and thus "growing" the vector (in registerParseProfThread), at the
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// same time that another parsing thread is reading the vector in parse-
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// Event(). By pre-reserving the space, the vectors won't be growing,
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// thus eliminating the problem with this race condition.
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fReadProfThreads.reserve(nReadThreads);
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fReadStopWatch.reserve(nReadThreads);
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fParseProfThreads.reserve(nParseThreads);
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fParseStopWatch.reserve(nParseThreads);
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}
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/***********************************************************
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@ -109,13 +109,13 @@ void Stats::enableProfiling(int nReadThreads, int nParseThreads)
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* RETURN:
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* none
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***********************************************************/
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void Stats::registerReadProfThread( )
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void Stats::registerReadProfThread()
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{
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boost::mutex::scoped_lock lk(fRegisterReaderMutex);
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boost::mutex::scoped_lock lk(fRegisterReaderMutex);
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fReadProfThreads.push_back( pthread_self() );
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logging::StopWatch readStopWatch;
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fReadStopWatch.push_back ( readStopWatch );
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fReadProfThreads.push_back(pthread_self());
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logging::StopWatch readStopWatch;
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fReadStopWatch.push_back(readStopWatch);
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}
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/***********************************************************
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@ -126,13 +126,13 @@ void Stats::registerReadProfThread( )
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* RETURN:
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* none
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***********************************************************/
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void Stats::registerParseProfThread( )
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void Stats::registerParseProfThread()
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{
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boost::mutex::scoped_lock lk(fRegisterParseMutex);
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boost::mutex::scoped_lock lk(fRegisterParseMutex);
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fParseProfThreads.push_back( pthread_self() );
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logging::StopWatch parseStopWatch;
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fParseStopWatch.push_back ( parseStopWatch );
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fParseProfThreads.push_back(pthread_self());
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logging::StopWatch parseStopWatch;
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fParseStopWatch.push_back(parseStopWatch);
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}
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/***********************************************************
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@ -145,25 +145,25 @@ void Stats::registerParseProfThread( )
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* RETURN:
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* none
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***********************************************************/
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void Stats::readEvent ( const std::string& eventString, bool start )
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void Stats::readEvent(const std::string& eventString, bool start)
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{
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if (fProfiling)
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if (fProfiling)
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{
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pthread_t thread = pthread_self();
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for (unsigned i = 0; i < fReadProfThreads.size(); i++)
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{
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pthread_t thread = pthread_self();
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if (fReadProfThreads[i] == thread)
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{
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if (start)
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fReadStopWatch[i].start(eventString);
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else
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fReadStopWatch[i].stop(eventString);
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for (unsigned i = 0; i < fReadProfThreads.size(); i++)
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{
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if (fReadProfThreads[i] == thread)
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{
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if (start)
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fReadStopWatch[i].start( eventString );
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else
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fReadStopWatch[i].stop ( eventString );
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break;
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}
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}
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break;
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}
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}
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}
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}
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/***********************************************************
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@ -176,25 +176,25 @@ void Stats::readEvent ( const std::string& eventString, bool start )
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* RETURN:
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* none
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***********************************************************/
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void Stats::parseEvent ( const std::string& eventString, bool start )
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void Stats::parseEvent(const std::string& eventString, bool start)
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{
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if (fProfiling)
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if (fProfiling)
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{
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pthread_t thread = pthread_self();
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for (unsigned i = 0; i < fParseProfThreads.size(); i++)
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{
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pthread_t thread = pthread_self();
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if (fParseProfThreads[i] == thread)
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{
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if (start)
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fParseStopWatch[i].start(eventString);
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else
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fParseStopWatch[i].stop(eventString);
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for (unsigned i = 0; i < fParseProfThreads.size(); i++)
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{
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if (fParseProfThreads[i] == thread)
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{
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if (start)
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fParseStopWatch[i].start( eventString );
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else
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fParseStopWatch[i].stop ( eventString );
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break;
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}
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}
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break;
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}
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}
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}
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}
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/***********************************************************
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@ -205,33 +205,30 @@ void Stats::parseEvent ( const std::string& eventString, bool start )
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* RETURN:
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* none
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***********************************************************/
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void Stats::printProfilingResults ( )
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void Stats::printProfilingResults()
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{
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if (fProfiling)
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if (fProfiling)
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{
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std::cout << endl;
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for (unsigned j = 0; j < fReadStopWatch.size(); j++)
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{
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std::cout << endl;
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for (unsigned j = 0; j < fReadStopWatch.size(); j++)
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{
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std::cout << "Execution Stats for Read Thread " << j << " (" <<
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fReadProfThreads[j] << ")" << std::endl <<
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"-------------------------------" << std::endl;
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fReadStopWatch[j].finish();
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std::cout << std::endl;
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}
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for (unsigned j = 0; j < fParseStopWatch.size(); j++)
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{
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std::cout << "Execution Stats for Parse Thread " << j << " (" <<
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fParseProfThreads[j] << ")" << std::endl <<
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"--------------------------------" << std::endl;
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fParseStopWatch[j].finish();
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std::cout << std::endl;
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}
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std::cout << "Execution Stats for Read Thread " << j << " (" << fReadProfThreads[j] << ")" << std::endl
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<< "-------------------------------" << std::endl;
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fReadStopWatch[j].finish();
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std::cout << std::endl;
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}
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for (unsigned j = 0; j < fParseStopWatch.size(); j++)
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{
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std::cout << "Execution Stats for Parse Thread " << j << " (" << fParseProfThreads[j] << ")"
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<< std::endl
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<< "--------------------------------" << std::endl;
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fParseStopWatch[j].finish();
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std::cout << std::endl;
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}
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}
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}
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#endif
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} //end of namespace
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} // namespace WriteEngine
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