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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "ThreadProfiler.h"
#include "Logger.h"
#include "Exception.h"
#include "ProfilingZone.h"
#include "ScopeTimer.h"
#include <sstream>
#include <iomanip>
#include <iostream>
using namespace std;
using namespace boost;
namespace avg {
thread_specific_ptr<ThreadProfiler*> ThreadProfiler::s_pInstance;
ThreadProfiler* ThreadProfiler::get()
{
if (s_pInstance.get() == 0) {
s_pInstance.reset(new (ThreadProfiler*));
*s_pInstance = new ThreadProfiler();
}
return *s_pInstance;
}
void ThreadProfiler::kill()
{
delete *s_pInstance;
s_pInstance.reset();
}
ThreadProfiler::ThreadProfiler()
: m_sName(""),
m_LogCategory(Logger::category::PROFILE)
{
m_bRunning = false;
ScopeTimer::enableTimers(Logger::get()->shouldLog(m_LogCategory,
Logger::severity::INFO));
}
ThreadProfiler::~ThreadProfiler()
{
}
void ThreadProfiler::setLogCategory(category_t category)
{
AVG_ASSERT(!m_bRunning);
m_LogCategory = category;
}
void ThreadProfiler::start()
{
m_bRunning = true;
}
void ThreadProfiler::restart()
{
ZoneVector::iterator it;
for (it = m_Zones.begin(); it != m_Zones.end(); ++it) {
(*it)->restart();
}
}
void ThreadProfiler::startZone(const ProfilingZoneID& zoneID)
{
ZoneMap::iterator it = m_ZoneMap.find(&zoneID);
// Duplicated code to avoid instantiating a new smart pointer when it's not
// necessary.
if (it == m_ZoneMap.end()) {
ProfilingZonePtr pZone = addZone(zoneID);
pZone->start();
m_ActiveZones.push_back(pZone);
} else {
ProfilingZonePtr& pZone = it->second;
pZone->start();
m_ActiveZones.push_back(pZone);
}
}
void ThreadProfiler::stopZone(const ProfilingZoneID& zoneID)
{
ZoneMap::iterator it = m_ZoneMap.find(&zoneID);
ProfilingZonePtr& pZone = it->second;
pZone->stop();
m_ActiveZones.pop_back();
}
void ThreadProfiler::dumpStatistics()
{
if (!m_Zones.empty()) {
AVG_TRACE(m_LogCategory, Logger::severity::INFO, "Thread " << m_sName);
AVG_TRACE(m_LogCategory, Logger::severity::INFO,
"Zone name Avg. time");
AVG_TRACE(m_LogCategory, Logger::severity::INFO,
"--------- ---------");
ZoneVector::iterator it;
for (it = m_Zones.begin(); it != m_Zones.end(); ++it) {
AVG_TRACE(m_LogCategory, Logger::severity::INFO,
std::setw(35) << std::left
<< ((*it)->getIndentString()+(*it)->getName())
<< std::setw(9) << std::right << (*it)->getAvgUSecs());
}
AVG_TRACE(m_LogCategory, Logger::severity::INFO, "");
}
}
void ThreadProfiler::reset()
{
ZoneVector::iterator it;
for (it = m_Zones.begin(); it != m_Zones.end(); ++it) {
(*it)->reset();
}
}
int ThreadProfiler::getNumZones()
{
return m_Zones.size();
}
const std::string& ThreadProfiler::getName() const
{
return m_sName;
}
void ThreadProfiler::setName(const std::string& sName)
{
m_sName = sName;
}
ProfilingZonePtr ThreadProfiler::addZone(const ProfilingZoneID& zoneID)
{
ProfilingZonePtr pZone(new ProfilingZone(zoneID));
m_ZoneMap[&zoneID] = pZone;
ZoneVector::iterator it;
int parentIndent = -2;
if (m_ActiveZones.empty()) {
it = m_Zones.end();
} else {
ProfilingZonePtr pActiveZone = m_ActiveZones.back();
bool bParentFound = false;
for (it = m_Zones.begin(); it != m_Zones.end(); ++it)
{
if (pActiveZone == *it) {
bParentFound = true;
break;
}
}
AVG_ASSERT(bParentFound);
parentIndent = pActiveZone->getIndentLevel();
++it;
for (; it != m_Zones.end() && (*it)->getIndentLevel() > parentIndent; ++it) {};
}
m_Zones.insert(it, pZone);
pZone->setIndentLevel(parentIndent+2);
return pZone;
}
}
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