147 lines
4.0 KiB
C++
147 lines
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// LameXP - Audio Encoder Front-End
|
|
// Copyright (C) 2004-2021 LoRd_MuldeR <MuldeR2@GMX.de>
|
|
//
|
|
// 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; either version 2 of the License, or
|
|
// (at your option) any later version; always including the non-optional
|
|
// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
|
|
//
|
|
// 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.,
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
//
|
|
// http://www.gnu.org/licenses/gpl-2.0.txt
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
//Internal
|
|
#include "Thread_CPUObserver.h"
|
|
#include "Global.h"
|
|
|
|
//MUtils
|
|
#include <MUtils/OSSupport.h>
|
|
#include <MUtils/Exception.h>
|
|
|
|
//Qt
|
|
#include <QDir>
|
|
|
|
//Windows includes
|
|
#define NOMINMAX
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <Windows.h>
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// Constructor & Destructor
|
|
////////////////////////////////////////////////////////////
|
|
|
|
CPUObserverThread::CPUObserverThread(void)
|
|
{
|
|
}
|
|
|
|
CPUObserverThread::~CPUObserverThread(void)
|
|
{
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// Protected functions
|
|
////////////////////////////////////////////////////////////
|
|
|
|
void CPUObserverThread::run(void)
|
|
{
|
|
qDebug("CPU observer started!");
|
|
|
|
try
|
|
{
|
|
observe();
|
|
}
|
|
catch(const std::exception &error)
|
|
{
|
|
MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
|
|
MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
|
|
}
|
|
catch(...)
|
|
{
|
|
MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
|
|
MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
|
|
}
|
|
|
|
while(m_semaphore.available()) m_semaphore.tryAcquire();
|
|
}
|
|
|
|
ULONGLONG CPUObserverThread::filetime2ulonglong(const void *ftime)
|
|
{
|
|
ULARGE_INTEGER tmp; tmp.QuadPart = 0UI64;
|
|
const FILETIME* fileTime = reinterpret_cast<const FILETIME*>(ftime);
|
|
tmp.LowPart = fileTime->dwLowDateTime;
|
|
tmp.HighPart = fileTime->dwHighDateTime;
|
|
return tmp.QuadPart;
|
|
}
|
|
|
|
void CPUObserverThread::observe(void)
|
|
{
|
|
bool first = true;
|
|
double previous = -1.0;
|
|
FILETIME sysTime, usrTime, idlTime;
|
|
ULONGLONG sys[2], usr[2], idl[2];
|
|
|
|
for(size_t i = 0; i < 2; i++)
|
|
{
|
|
sys[i] = 0; usr[i] = 0; idl[i] = 0;
|
|
}
|
|
|
|
forever
|
|
{
|
|
if(GetSystemTimes(&idlTime, &sysTime, &usrTime))
|
|
{
|
|
sys[1] = sys[0]; sys[0] = filetime2ulonglong(&sysTime);
|
|
usr[1] = usr[0]; usr[0] = filetime2ulonglong(&usrTime);
|
|
idl[1] = idl[0]; idl[0] = filetime2ulonglong(&idlTime);
|
|
|
|
if(first)
|
|
{
|
|
first = false;
|
|
emit currentUsageChanged(1.0);
|
|
msleep(250);
|
|
continue;
|
|
}
|
|
|
|
ULONGLONG timeIdl = (idl[0] - idl[1]); //Idle time only
|
|
ULONGLONG timeSys = (sys[0] - sys[1]); //Kernel mode time (incl. Idle time!)
|
|
ULONGLONG timeUsr = (usr[0] - usr[1]); //User mode time only
|
|
|
|
ULONGLONG timeSum = timeUsr + timeSys; //Overall CPU time that has elapsed
|
|
ULONGLONG timeWrk = timeSum - timeIdl; //Time the CPU spent working
|
|
|
|
if(timeSum > 0)
|
|
{
|
|
double current = static_cast<double>(timeWrk) / static_cast<double>(timeSum);
|
|
if(current != previous)
|
|
{
|
|
emit currentUsageChanged(current);
|
|
previous = current;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(m_semaphore.tryAcquire(1, 2000)) break;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// SLOTS
|
|
////////////////////////////////////////////////////////////
|
|
|
|
/*NONE*/
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// EVENTS
|
|
////////////////////////////////////////////////////////////
|
|
|
|
/*NONE*/
|