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Fix a specific core migration bug on the scheduler (#2271)
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@ -22,8 +22,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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private struct SchedulingState
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{
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public bool NeedsScheduling;
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public KThread SelectedThread;
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public volatile bool NeedsScheduling;
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public volatile KThread SelectedThread;
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}
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private SchedulingState _state;
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@ -349,31 +349,29 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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nextThread ??= _idleThread;
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if (currentThread == nextThread)
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if (currentThread != nextThread)
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{
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return;
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}
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long previousTicks = LastContextSwitchTime;
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long currentTicks = PerformanceCounter.ElapsedTicks;
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long ticksDelta = currentTicks - previousTicks;
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long previousTicks = LastContextSwitchTime;
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long currentTicks = PerformanceCounter.ElapsedTicks;
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long ticksDelta = currentTicks - previousTicks;
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currentThread.AddCpuTime(ticksDelta);
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currentThread.AddCpuTime(ticksDelta);
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if (currentProcess != null)
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{
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currentProcess.AddCpuTime(ticksDelta);
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}
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if (currentProcess != null)
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{
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currentProcess.AddCpuTime(ticksDelta);
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}
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LastContextSwitchTime = currentTicks;
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LastContextSwitchTime = currentTicks;
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if (currentProcess != null)
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{
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_previousThread = !currentThread.TerminationRequested && currentThread.ActiveCore == _coreId ? currentThread : null;
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}
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else if (currentThread == _idleThread)
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{
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_previousThread = null;
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if (currentProcess != null)
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{
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_previousThread = !currentThread.TerminationRequested && currentThread.ActiveCore == _coreId ? currentThread : null;
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}
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else if (currentThread == _idleThread)
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{
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_previousThread = null;
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}
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}
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if (nextThread.CurrentCore != _coreId)
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@ -469,6 +467,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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{
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KThread currentThread = KernelStatic.GetCurrentThread();
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if (!currentThread.IsSchedulable)
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{
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return;
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}
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context.CriticalSection.Enter();
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if (currentThread.SchedFlags != ThreadSchedState.Running)
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@ -491,6 +494,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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{
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KThread currentThread = KernelStatic.GetCurrentThread();
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if (!currentThread.IsSchedulable)
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{
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return;
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}
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context.CriticalSection.Enter();
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if (currentThread.SchedFlags != ThreadSchedState.Running)
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@ -550,6 +558,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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{
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KThread currentThread = KernelStatic.GetCurrentThread();
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if (!currentThread.IsSchedulable)
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{
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return;
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}
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context.CriticalSection.Enter();
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if (currentThread.SchedFlags != ThreadSchedState.Running)
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