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Added logic to auto set process scheduling priorities at startup.

This commit is contained in:
Matthew Budd 2020-11-28 21:03:26 -05:00
parent 961aa83a51
commit f198996cd4
1 changed files with 32 additions and 78 deletions
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110
src/drivers/Qt/ConsoleWindow.cpp
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@ -60,6 +60,7 @@
consoleWin_t::consoleWin_t(QWidget *parent)
: QMainWindow( parent )
{
int opt;
int use_SDL_video = false;
int setFullScreen = false;
@ -105,12 +106,24 @@ consoleWin_t::consoleWin_t(QWidget *parent)
connect( gameTimer, &QTimer::timeout, this, &consoleWin_t::updatePeriodic );
gameTimer->setTimerType( Qt::PreciseTimer );
//gameTimer->start( 16 ); // 60hz
gameTimer->start( 8 ); // 120hz
emulatorThread->start();
//setPriority( QThread::TimeCriticalPriority );
g_config->getOption( "SDL.SetSchedParam", &opt );
if ( opt )
{
int policy, prio, nice;
g_config->getOption( "SDL.GuiSchedPolicy", &policy );
g_config->getOption( "SDL.GuiSchedPrioRt", &prio );
g_config->getOption( "SDL.GuiSchedNice" , &nice );
setNicePriority( nice );
setSchedParam( policy, prio );
}
}
consoleWin_t::~consoleWin_t(void)
@ -1953,82 +1966,6 @@ int consoleWin_t::setSchedParam( int policy, int priority )
return ret;
}
//void consoleWin_t::setPriority( QThread::Priority priority_req )
//{
//#if defined(__linux__)
// struct sched_param p;
// int minPrio, maxPrio;
//
// minPrio = sched_get_priority_min( SCHED_FIFO );
// maxPrio = sched_get_priority_max( SCHED_FIFO );
//
// p.sched_priority = maxPrio;
//
// if ( ::setpriority( PRIO_PROCESS, getpid(), -20 ) )
// {
// perror("Qt Window thread setpriority error ");
// }
// printf("sched_getscheduler(): %i \n", sched_getscheduler( getpid() ) );
// printf("sched_get_priority_min(SCHED_FIFO): %i \n", minPrio );
// printf("sched_get_priority_max(SCHED_FIFO): %i \n", maxPrio );
//
// printf("setpriority(): %i \n", ::getpriority( PRIO_PROCESS, getpid() ) );
//
// if ( sched_setscheduler( getpid(), SCHED_FIFO, &p ) )
// {
// perror("Qt Window thread sched_setscheduler error:");
// }
// printf("sched_getscheduler(): %i \n", sched_getscheduler( getpid() ) );
//
//#elif defined(__APPLE__)
//
// struct sched_param p;
// int oldPolicy, newPolicy, minPrio, maxPrio;
// QThread *qself;
// pthread_t self;
//
// qself = QThread::currentThread();
//
// self = pthread_self();
// newPolicy = SCHED_FIFO;
//
// printf("QThreadID: %p \n", QThread::currentThreadId() );
// printf("PThreadID: %p \n", self );
//
// minPrio = sched_get_priority_min( SCHED_FIFO );
// maxPrio = sched_get_priority_max( SCHED_FIFO );
//
// pthread_getschedparam( self, &oldPolicy, &p );
//
// printf("GUI pthread_getschedparam(): %i, %i \n", oldPolicy, p.sched_priority );
//
// qself->setPriority( priority_req );
//
// p.sched_priority = maxPrio;
//
// //if ( ::pthread_setschedparam( self, newPolicy, &p ) != 0 )
// //{
// //perror("GUI thread pthread_setschedparam error: ");
// //}
// pthread_getschedparam( self, &oldPolicy, &p );
//
// printf("GUI pthread_getschedparam(): %i, %i \n", oldPolicy, p.sched_priority );
//
// if ( ::setpriority( PRIO_PROCESS, getpid(), -20 ) )
// {
// perror("GUI thread setpriority error: ");
// }
// printf("GUI Thread setpriority(): %i \n", ::getpriority( PRIO_PROCESS, getpid() ) );
//#else
// QThread *mainThread;
//
// mainThread = QThread::currentThread();
//
// mainThread->setPriority( priority_req );
//#endif
//}
void consoleWin_t::syncActionConfig( QAction *act, const char *property )
{
if ( act->isCheckable() )
@ -2099,6 +2036,8 @@ emulatorThread_t::emulatorThread_t(void)
void emulatorThread_t::init(void)
{
int opt;
#if defined(__linux__) || defined(__APPLE__)
if ( pthread_self() == (pthread_t)QThread::currentThreadId() )
{
@ -2112,6 +2051,21 @@ void emulatorThread_t::init(void)
#elif defined(__APPLE__)
pid = getpid();
#endif
g_config->getOption( "SDL.SetSchedParam", &opt );
if ( opt )
{
int policy, prio, nice;
g_config->getOption( "SDL.EmuSchedPolicy", &policy );
g_config->getOption( "SDL.EmuSchedPrioRt", &prio );
g_config->getOption( "SDL.EmuSchedNice" , &nice );
setNicePriority( nice );
setSchedParam( policy, prio );
}
}
void emulatorThread_t::setPriority( QThread::Priority priority_req )