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[HLE/Kernel] Somewhat improved sync primitives

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This commit is contained in:
gdkchan 2018-04-18 23:52:23 -03:00
parent e9a96e3522
commit b9af34f3dd
20 changed files with 408 additions and 443 deletions
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158
Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
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@ -7,6 +7,8 @@ namespace Ryujinx.Core.OsHle.Handles
{
class KProcessScheduler : IDisposable
{
private const int LowestPriority = 0x40;
private class SchedulerThread : IDisposable
{
public KThread Thread { get; private set; }
@ -51,7 +53,7 @@ namespace Ryujinx.Core.OsHle.Handles
}
}
public SchedulerThread Pop(int MinPriority = 0x40)
public SchedulerThread Pop(int MinPriority = LowestPriority)
{
lock (Threads)
{
@ -130,23 +132,42 @@ namespace Ryujinx.Core.OsHle.Handles
return;
}
if (!ActiveProcessors.Contains(Thread.ProcessorId))
if (ActiveProcessors.Add(Thread.ProcessorId))
{
ActiveProcessors.Add(Thread.ProcessorId);
Thread.Thread.Execute();
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} running.");
PrintDbgThreadInfo(Thread, "running.");
}
else
{
WaitingToRun[Thread.ProcessorId].Push(SchedThread);
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(SchedThread.Thread)} waiting to run.");
PrintDbgThreadInfo(Thread, "waiting to run.");
}
}
}
public void RemoveThread(KThread Thread)
{
PrintDbgThreadInfo(Thread, "exited.");
lock (SchedLock)
{
SchedulerThread NewThread = WaitingToRun[Thread.ProcessorId].Pop();
if (NewThread == null)
{
Logging.Debug(LogClass.KernelScheduler, $"Nothing to run on core {Thread.ProcessorId}!");
ActiveProcessors.Remove(Thread.ProcessorId);
return;
}
RunThread(NewThread);
}
}
public void Suspend(int ProcessorId)
{
lock (SchedLock)
@ -159,73 +180,44 @@ namespace Ryujinx.Core.OsHle.Handles
}
else
{
Logging.Debug(LogClass.KernelScheduler, $"Nothing to run on core {ProcessorId}!");
ActiveProcessors.Remove(ProcessorId);
}
}
}
public void Resume(KThread CurrThread)
public void Yield(KThread Thread)
{
SchedulerThread SchedThread;
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(CurrThread)} entering ipc delay wait state.");
PrintDbgThreadInfo(Thread, "yielded execution.");
lock (SchedLock)
{
if (!AllThreads.TryGetValue(CurrThread, out SchedThread))
SchedulerThread SchedThread = WaitingToRun[Thread.ProcessorId].Pop(Thread.Priority);
if (SchedThread == null)
{
Logging.Error(LogClass.KernelScheduler, $"{GetDbgThreadInfo(CurrThread)} was not found on the scheduler queue!");
PrintDbgThreadInfo(Thread, "resumed because theres nothing better to run.");
return;
}
RunThread(SchedThread);
}
TryResumingExecution(SchedThread);
Resume(Thread);
}
public bool WaitForSignal(KThread Thread, int Timeout = -1)
public void Resume(KThread Thread)
{
SchedulerThread SchedThread;
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} entering signal wait state.");
lock (SchedLock)
if (!AllThreads.TryGetValue(Thread, out SchedThread))
{
SchedThread = WaitingToRun[Thread.ProcessorId].Pop();
if (SchedThread != null)
{
RunThread(SchedThread);
}
else
{
ActiveProcessors.Remove(Thread.ProcessorId);
}
if (!AllThreads.TryGetValue(Thread, out SchedThread))
{
Logging.Error(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} was not found on the scheduler queue!");
return false;
}
}
bool Result;
if (Timeout >= 0)
{
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} has wait timeout of {Timeout}ms.");
Result = SchedThread.WaitEvent.WaitOne(Timeout);
}
else
{
Result = SchedThread.WaitEvent.WaitOne();
throw new InvalidOperationException();
}
TryResumingExecution(SchedThread);
return Result;
}
private void TryResumingExecution(SchedulerThread SchedThread)
@ -236,51 +228,19 @@ namespace Ryujinx.Core.OsHle.Handles
{
if (ActiveProcessors.Add(Thread.ProcessorId))
{
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} resuming execution...");
PrintDbgThreadInfo(Thread, "resuming execution...");
return;
}
PrintDbgThreadInfo(Thread, "entering wait state...");
WaitingToRun[Thread.ProcessorId].Push(SchedThread);
}
SchedThread.WaitEvent.WaitOne();
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} resuming execution...");
}
public void Yield(KThread Thread)
{
SchedulerThread SchedThread;
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} yielded execution.");
lock (SchedLock)
{
SchedThread = WaitingToRun[Thread.ProcessorId].Pop(Thread.Priority);
if (SchedThread == null)
{
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} resumed because theres nothing better to run.");
return;
}
RunThread(SchedThread);
if (!AllThreads.TryGetValue(Thread, out SchedThread))
{
Logging.Error(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} was not found on the scheduler queue!");
return;
}
WaitingToRun[Thread.ProcessorId].Push(SchedThread);
}
SchedThread.WaitEvent.WaitOne();
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} resuming execution...");
PrintDbgThreadInfo(Thread, "resuming execution...");
}
private void RunThread(SchedulerThread SchedThread)
@ -291,32 +251,16 @@ namespace Ryujinx.Core.OsHle.Handles
}
else
{
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(SchedThread.Thread)} running.");
PrintDbgThreadInfo(SchedThread.Thread, "running.");
}
}
public void Signal(params KThread[] Threads)
private void PrintDbgThreadInfo(KThread Thread, string Message)
{
lock (SchedLock)
{
foreach (KThread Thread in Threads)
{
if (AllThreads.TryGetValue(Thread, out SchedulerThread SchedThread))
{
if (!WaitingToRun[Thread.ProcessorId].HasThread(SchedThread))
{
Logging.Debug(LogClass.KernelScheduler, $"{GetDbgThreadInfo(Thread)} signaled.");
SchedThread.WaitEvent.Set();
}
}
}
}
}
private string GetDbgThreadInfo(KThread Thread)
{
return $"Thread {Thread.ThreadId} (core {Thread.ProcessorId}) prio {Thread.Priority}";
Logging.Debug(LogClass.KernelScheduler, "(" +
"ThreadId: " + Thread.ThreadId + ", " +
"ProcessorId: " + Thread.ProcessorId + ", " +
"Priority: " + Thread.Priority + ") " + Message);
}
public void Dispose()