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Initial work to support changing thread core on the scheduler, also some cond var priority fixes

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This commit is contained in:
gdkchan 2018-05-13 00:22:42 -03:00
parent 3603497a13
commit 4546d1b9be
9 changed files with 442 additions and 199 deletions
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226
Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
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@ -1,130 +1,16 @@
using Ryujinx.Core.Logging;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Threading;
namespace Ryujinx.Core.OsHle.Handles
{
class KProcessScheduler : IDisposable
{
private const int LowestPriority = 0x40;
private class SchedulerThread : IDisposable
{
public KThread Thread { get; private set; }
public bool IsActive { get; set; }
public AutoResetEvent WaitSync { get; private set; }
public ManualResetEvent WaitActivity { get; private set; }
public AutoResetEvent WaitSched { get; private set; }
public SchedulerThread(KThread Thread)
{
this.Thread = Thread;
IsActive = true;
WaitSync = new AutoResetEvent(false);
WaitActivity = new ManualResetEvent(true);
WaitSched = new AutoResetEvent(false);
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool Disposing)
{
if (Disposing)
{
WaitSync.Dispose();
WaitActivity.Dispose();
WaitSched.Dispose();
}
}
}
private class ThreadQueue
{
private List<SchedulerThread> Threads;
public ThreadQueue()
{
Threads = new List<SchedulerThread>();
}
public void Push(SchedulerThread Thread)
{
lock (Threads)
{
Threads.Add(Thread);
}
}
public SchedulerThread Pop(int MinPriority = LowestPriority)
{
lock (Threads)
{
SchedulerThread SchedThread;
int HighestPriority = MinPriority;
int HighestPrioIndex = -1;
for (int Index = 0; Index < Threads.Count; Index++)
{
SchedThread = Threads[Index];
if (HighestPriority > SchedThread.Thread.ActualPriority)
{
HighestPriority = SchedThread.Thread.ActualPriority;
HighestPrioIndex = Index;
}
}
if (HighestPrioIndex == -1)
{
return null;
}
SchedThread = Threads[HighestPrioIndex];
Threads.RemoveAt(HighestPrioIndex);
return SchedThread;
}
}
public bool HasThread(SchedulerThread SchedThread)
{
lock (Threads)
{
return Threads.Contains(SchedThread);
}
}
public bool Remove(SchedulerThread SchedThread)
{
lock (Threads)
{
return Threads.Remove(SchedThread);
}
}
}
private ConcurrentDictionary<KThread, SchedulerThread> AllThreads;
private ThreadQueue[] WaitingToRun;
private ThreadQueue WaitingToRun;
private HashSet<int> ActiveProcessors;
private int ActiveCores;
private object SchedLock;
@ -136,14 +22,7 @@ namespace Ryujinx.Core.OsHle.Handles
AllThreads = new ConcurrentDictionary<KThread, SchedulerThread>();
WaitingToRun = new ThreadQueue[4];
for (int Index = 0; Index < 4; Index++)
{
WaitingToRun[Index] = new ThreadQueue();
}
ActiveProcessors = new HashSet<int>();
WaitingToRun = new ThreadQueue();
SchedLock = new object();
}
@ -159,7 +38,7 @@ namespace Ryujinx.Core.OsHle.Handles
return;
}
if (ActiveProcessors.Add(Thread.ProcessorId))
if (AddActiveCore(Thread))
{
Thread.Thread.Execute();
@ -167,7 +46,7 @@ namespace Ryujinx.Core.OsHle.Handles
}
else
{
WaitingToRun[Thread.ProcessorId].Push(SchedThread);
WaitingToRun.Push(SchedThread);
PrintDbgThreadInfo(Thread, "waiting to run.");
}
@ -182,18 +61,18 @@ namespace Ryujinx.Core.OsHle.Handles
{
if (AllThreads.TryRemove(Thread, out SchedulerThread SchedThread))
{
WaitingToRun[Thread.ProcessorId].Remove(SchedThread);
WaitingToRun.Remove(SchedThread);
SchedThread.Dispose();
}
SchedulerThread NewThread = WaitingToRun[Thread.ProcessorId].Pop();
SchedulerThread NewThread = WaitingToRun.Pop(Thread.ActualCore);
if (NewThread == null)
{
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {Thread.ProcessorId}!");
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {Thread.ActualCore}!");
ActiveProcessors.Remove(Thread.ProcessorId);
RemoveActiveCore(Thread.ActualCore);
return;
}
@ -228,7 +107,7 @@ namespace Ryujinx.Core.OsHle.Handles
throw new InvalidOperationException();
}
Suspend(Thread.ProcessorId);
Suspend(Thread);
SchedThread.WaitSync.WaitOne();
@ -242,7 +121,7 @@ namespace Ryujinx.Core.OsHle.Handles
throw new InvalidOperationException();
}
Suspend(Thread.ProcessorId);
Suspend(Thread);
bool Result = SchedThread.WaitSync.WaitOne(Timeout);
@ -261,11 +140,13 @@ namespace Ryujinx.Core.OsHle.Handles
SchedThread.WaitSync.Set();
}
public void Suspend(int ProcessorId)
public void Suspend(KThread Thread)
{
lock (SchedLock)
{
SchedulerThread SchedThread = WaitingToRun[ProcessorId].Pop();
PrintDbgThreadInfo(Thread, "suspended.");
SchedulerThread SchedThread = WaitingToRun.Pop(Thread.ActualCore);
if (SchedThread != null)
{
@ -273,9 +154,9 @@ namespace Ryujinx.Core.OsHle.Handles
}
else
{
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {ProcessorId}!");
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {Thread.ActualCore}!");
ActiveProcessors.Remove(ProcessorId);
RemoveActiveCore(Thread.ActualCore);
}
}
}
@ -288,7 +169,9 @@ namespace Ryujinx.Core.OsHle.Handles
{
lock (SchedLock)
{
SchedulerThread SchedThread = WaitingToRun[Thread.ProcessorId].Pop(Thread.ActualPriority);
SchedulerThread SchedThread = WaitingToRun.Pop(
Thread.ActualCore,
Thread.ActualPriority);
if (SchedThread == null)
{
@ -307,7 +190,7 @@ namespace Ryujinx.Core.OsHle.Handles
{
//Just stop running the thread if it's not active,
//and run whatever is waiting to run with the higuest priority.
Suspend(Thread.ProcessorId);
Suspend(Thread);
}
Resume(Thread);
@ -333,14 +216,14 @@ namespace Ryujinx.Core.OsHle.Handles
lock (SchedLock)
{
if (ActiveProcessors.Add(Thread.ProcessorId))
if (AddActiveCore(Thread))
{
PrintDbgThreadInfo(Thread, "resuming execution...");
return;
}
WaitingToRun[Thread.ProcessorId].Push(SchedThread);
WaitingToRun.Push(SchedThread);
PrintDbgThreadInfo(Thread, "entering wait state...");
}
@ -354,6 +237,8 @@ namespace Ryujinx.Core.OsHle.Handles
{
if (!SchedThread.Thread.Thread.Execute())
{
PrintDbgThreadInfo(SchedThread.Thread, "waked.");
SchedThread.WaitSched.Set();
}
else
@ -362,6 +247,14 @@ namespace Ryujinx.Core.OsHle.Handles
}
}
public void Resort(KThread Thread)
{
if (AllThreads.TryGetValue(Thread, out SchedulerThread SchedThread))
{
WaitingToRun.Resort(SchedThread);
}
}
private bool IsActive(KThread Thread)
{
if (!AllThreads.TryGetValue(Thread, out SchedulerThread SchedThread))
@ -372,11 +265,62 @@ namespace Ryujinx.Core.OsHle.Handles
return SchedThread.IsActive;
}
private bool AddActiveCore(KThread Thread)
{
lock (SchedLock)
{
//First, try running it on Ideal Core.
int CoreMask = 1 << Thread.IdealCore;
if ((ActiveCores & CoreMask) == 0)
{
ActiveCores |= CoreMask;
Thread.ActualCore = Thread.IdealCore;
return true;
}
//If that fails, then try running on any core allowed by Core Mask.
CoreMask = Thread.CoreMask & ~ActiveCores;
if (CoreMask != 0)
{
CoreMask &= -CoreMask;
ActiveCores |= CoreMask;
for (int Bit = 0; Bit < 32; Bit++)
{
if (((CoreMask >> Bit) & 1) != 0)
{
Thread.ActualCore = Bit;
return true;
}
}
throw new InvalidOperationException();
}
return false;
}
}
private void RemoveActiveCore(int Core)
{
lock (SchedLock)
{
ActiveCores &= ~(1 << Core);
}
}
private void PrintDbgThreadInfo(KThread Thread, string Message)
{
Log.PrintDebug(LogClass.KernelScheduler, "(" +
"ThreadId = " + Thread.ThreadId + ", " +
"ProcessorId = " + Thread.ProcessorId + ", " +
"ActualCore = " + Thread.ActualCore + ", " +
"IdealCore = " + Thread.IdealCore + ", " +
"ActualPriority = " + Thread.ActualPriority + ", " +
"WantedPriority = " + Thread.WantedPriority + ") " + Message);
}