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Some improvements to SetThreadCoreMask, simplified implementation of wait lists

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This commit is contained in:
gdkchan 2018-05-14 03:01:10 -03:00
parent 9e50ed53e6
commit ee0b14ba08
5 changed files with 199 additions and 325 deletions
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78
Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
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@ -66,17 +66,21 @@ namespace Ryujinx.Core.OsHle.Handles
SchedThread.Dispose();
}
SchedulerThread NewThread = WaitingToRun.Pop(Thread.ActualCore);
int ActualCore = Thread.ActualCore;
SchedulerThread NewThread = WaitingToRun.Pop(ActualCore);
if (NewThread == null)
{
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {Thread.ActualCore}!");
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {ActualCore}!");
RemoveActiveCore(Thread.ActualCore);
RemoveActiveCore(ActualCore);
return;
}
NewThread.Thread.ActualCore = ActualCore;
RunThread(NewThread);
}
}
@ -146,17 +150,21 @@ namespace Ryujinx.Core.OsHle.Handles
{
PrintDbgThreadInfo(Thread, "suspended.");
SchedulerThread SchedThread = WaitingToRun.Pop(Thread.ActualCore);
int ActualCore = Thread.ActualCore;
SchedulerThread SchedThread = WaitingToRun.Pop(ActualCore);
if (SchedThread != null)
{
SchedThread.Thread.ActualCore = ActualCore;
RunThread(SchedThread);
}
else
{
Log.PrintDebug(LogClass.KernelScheduler, $"Nothing to run on core {Thread.ActualCore}!");
RemoveActiveCore(Thread.ActualCore);
RemoveActiveCore(ActualCore);
}
}
}
@ -169,9 +177,9 @@ namespace Ryujinx.Core.OsHle.Handles
{
lock (SchedLock)
{
SchedulerThread SchedThread = WaitingToRun.Pop(
Thread.ActualCore,
Thread.ActualPriority);
int ActualCore = Thread.ActualCore;
SchedulerThread SchedThread = WaitingToRun.Pop(ActualCore, Thread.ActualPriority);
if (SchedThread == null)
{
@ -182,6 +190,8 @@ namespace Ryujinx.Core.OsHle.Handles
if (SchedThread != null)
{
SchedThread.Thread.ActualCore = ActualCore;
RunThread(SchedThread);
}
}
@ -198,24 +208,24 @@ namespace Ryujinx.Core.OsHle.Handles
public bool TryRunning(KThread Thread)
{
if (!AllThreads.TryGetValue(Thread, out SchedulerThread SchedThread))
//Failing to get the thread here is fine,
//the thread may not have been started yet.
if (AllThreads.TryGetValue(Thread, out SchedulerThread SchedThread))
{
throw new InvalidOperationException();
}
lock (SchedLock)
{
if (WaitingToRun.HasThread(SchedThread) && AddActiveCore(Thread))
lock (SchedLock)
{
WaitingToRun.Remove(SchedThread);
if (WaitingToRun.HasThread(SchedThread) && AddActiveCore(Thread))
{
WaitingToRun.Remove(SchedThread);
RunThread(SchedThread);
RunThread(SchedThread);
return true;
return true;
}
}
return false;
}
return false;
}
public void Resume(KThread Thread)
@ -289,18 +299,25 @@ namespace Ryujinx.Core.OsHle.Handles
private bool AddActiveCore(KThread Thread)
{
int CoreMask;
lock (SchedLock)
{
//First, try running it on Ideal Core.
int CoreMask = 1 << Thread.IdealCore;
int IdealCore = Thread.IdealCore;
if ((ActiveCores & CoreMask) == 0)
if (IdealCore != -1)
{
ActiveCores |= CoreMask;
CoreMask = 1 << IdealCore;
Thread.ActualCore = Thread.IdealCore;
if ((ActiveCores & CoreMask) == 0)
{
ActiveCores |= CoreMask;
return true;
Thread.ActualCore = IdealCore;
return true;
}
}
//If that fails, then try running on any core allowed by Core Mask.
@ -340,11 +357,12 @@ namespace Ryujinx.Core.OsHle.Handles
private void PrintDbgThreadInfo(KThread Thread, string Message)
{
Log.PrintDebug(LogClass.KernelScheduler, "(" +
"ThreadId = " + Thread.ThreadId + ", " +
"ActualCore = " + Thread.ActualCore + ", " +
"IdealCore = " + Thread.IdealCore + ", " +
"ActualPriority = " + Thread.ActualPriority + ", " +
"WantedPriority = " + Thread.WantedPriority + ") " + Message);
"ThreadId = " + Thread.ThreadId + ", " +
"CoreMask = 0x" + Thread.CoreMask.ToString("x1") + ", " +
"ActualCore = " + Thread.ActualCore + ", " +
"IdealCore = " + Thread.IdealCore + ", " +
"ActualPriority = " + Thread.ActualPriority + ", " +
"WantedPriority = " + Thread.WantedPriority + ") " + Message);
}
public void Dispose()

150
Ryujinx.Core/OsHle/Handles/KThread.cs
View File

@ -1,5 +1,5 @@
using ChocolArm64;
using System;
using System.Collections.Generic;
namespace Ryujinx.Core.OsHle.Handles
{
@ -14,16 +14,15 @@ namespace Ryujinx.Core.OsHle.Handles
private Process Process;
public KThread NextMutexThread { get; set; }
public KThread NextCondVarThread { get; set; }
public List<KThread> MutexWaiters { get; private set; }
public KThread MutexOwner { get; set; }
public int ActualPriority { get; private set; }
public int WantedPriority { get; private set; }
public int IdealCore { get; set; }
public int ActualCore { get; set; }
public int IdealCore { get; set; }
public int WaitHandle { get; set; }
@ -39,6 +38,8 @@ namespace Ryujinx.Core.OsHle.Handles
this.Process = Process;
this.IdealCore = IdealCore;
MutexWaiters = new List<KThread>();
CoreMask = 1 << IdealCore;
ActualPriority = WantedPriority = Priority;
@ -57,148 +58,25 @@ namespace Ryujinx.Core.OsHle.Handles
int CurrPriority = WantedPriority;
if (NextMutexThread != null && CurrPriority > NextMutexThread.WantedPriority)
lock (Process.ThreadSyncLock)
{
CurrPriority = NextMutexThread.WantedPriority;
foreach (KThread Thread in MutexWaiters)
{
if (CurrPriority > Thread.WantedPriority)
{
CurrPriority = Thread.WantedPriority;
}
}
}
if (CurrPriority != OldPriority)
{
ActualPriority = CurrPriority;
UpdateWaitLists();
Process.Scheduler.Resort(this);
MutexOwner?.UpdatePriority();
}
}
private void UpdateWaitLists()
{
UpdateMutexList();
UpdateCondVarList();
Process.Scheduler.Resort(this);
}
private void UpdateMutexList()
{
KThread OwnerThread = MutexOwner;
if (OwnerThread == null)
{
return;
}
//The MutexOwner field should only be non-null when the thread is
//waiting for the lock, and the lock belongs to another thread.
if (OwnerThread == this)
{
throw new InvalidOperationException();
}
lock (OwnerThread)
{
//Remove itself from the list.
KThread CurrThread = OwnerThread;
while (CurrThread.NextMutexThread != null)
{
if (CurrThread.NextMutexThread == this)
{
CurrThread.NextMutexThread = NextMutexThread;
break;
}
CurrThread = CurrThread.NextMutexThread;
}
//Re-add taking new priority into account.
CurrThread = OwnerThread;
while (CurrThread.NextMutexThread != null)
{
if (CurrThread.NextMutexThread.ActualPriority > ActualPriority)
{
break;
}
CurrThread = CurrThread.NextMutexThread;
}
NextMutexThread = CurrThread.NextMutexThread;
CurrThread.NextMutexThread = this;
}
}
private void UpdateCondVarList()
{
lock (Process.ThreadArbiterListLock)
{
if (Process.ThreadArbiterListHead == null)
{
return;
}
//Remove itself from the list.
bool Found;
KThread CurrThread = Process.ThreadArbiterListHead;
if (Found = (Process.ThreadArbiterListHead == this))
{
Process.ThreadArbiterListHead = Process.ThreadArbiterListHead.NextCondVarThread;
}
else
{
while (CurrThread.NextCondVarThread != null)
{
if (CurrThread.NextCondVarThread == this)
{
CurrThread.NextCondVarThread = NextCondVarThread;
Found = true;
break;
}
CurrThread = CurrThread.NextCondVarThread;
}
}
if (!Found)
{
return;
}
//Re-add taking new priority into account.
if (Process.ThreadArbiterListHead == null ||
Process.ThreadArbiterListHead.ActualPriority > ActualPriority)
{
NextCondVarThread = Process.ThreadArbiterListHead;
Process.ThreadArbiterListHead = this;
return;
}
CurrThread = Process.ThreadArbiterListHead;
while (CurrThread.NextCondVarThread != null)
{
if (CurrThread.NextCondVarThread.ActualPriority > ActualPriority)
{
break;
}
CurrThread = CurrThread.NextCondVarThread;
}
NextCondVarThread = CurrThread.NextCondVarThread;
CurrThread.NextCondVarThread = this;
}
}
}
}

48
Ryujinx.Core/OsHle/Kernel/SvcThread.cs
View File

@ -146,11 +146,16 @@ namespace Ryujinx.Core.OsHle.Kernel
int IdealCore = (int)ThreadState.X1;
long CoreMask = (long)ThreadState.X2;
Ns.Log.PrintDebug(LogClass.KernelSvc,
"Handle = " + Handle .ToString("x8") + ", " +
"IdealCore = " + IdealCore.ToString("x8") + ", " +
"CoreMask = " + CoreMask .ToString("x16"));
KThread Thread = GetThread(ThreadState.Tpidr, Handle);
if (IdealCore == -2)
{
//TODO: Get this value from the NPDM file.
//TODO: Get this valcdue from the NPDM file.
IdealCore = 0;
CoreMask = 1 << IdealCore;
@ -159,14 +164,16 @@ namespace Ryujinx.Core.OsHle.Kernel
{
if ((uint)IdealCore > 3)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core id 0x{IdealCore:x8}!");
if ((IdealCore | 2) != -1)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core id 0x{IdealCore:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreId);
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreId);
return;
return;
}
}
if ((CoreMask & (1 << IdealCore)) == 0)
else if ((CoreMask & (1 << IdealCore)) == 0)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core mask 0x{CoreMask:x8}!");
@ -185,27 +192,32 @@ namespace Ryujinx.Core.OsHle.Kernel
return;
}
if (IdealCore == -3)
{
if ((CoreMask & (1 << Thread.IdealCore)) == 0)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core mask 0x{CoreMask:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreMask);
return;
}
}
else
//-1 is used as "don't care", so the IdealCore value is ignored.
//-2 is used as "use NPDM default core id" (handled above).
//-3 is used as "don't update", the old IdealCore value is kept.
if (IdealCore != -3)
{
Thread.IdealCore = IdealCore;
}
else if ((CoreMask & (1 << Thread.IdealCore)) == 0)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core mask 0x{CoreMask:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreMask);
return;
}
Thread.CoreMask = (int)CoreMask;
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
//Try yielding execution, for the case where the new
//core mask allows the thread to run on the current core.
Process.Scheduler.Yield(CurrThread);
//Try running the modified thread, for the case where one
//of the cores specified on the core mask is free.
Process.Scheduler.TryRunning(Thread);
ThreadState.X0 = 0;

240
Ryujinx.Core/OsHle/Kernel/SvcThreadSync.cs
View File

@ -2,6 +2,8 @@ using ChocolArm64.State;
using Ryujinx.Core.Logging;
using Ryujinx.Core.OsHle.Handles;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using static Ryujinx.Core.OsHle.ErrorCode;
@ -110,10 +112,10 @@ namespace Ryujinx.Core.OsHle.Kernel
ulong Timeout = ThreadState.X3;
Ns.Log.PrintDebug(LogClass.KernelSvc,
"OwnerThreadHandle = " + MutexAddress .ToString("x16") + ", " +
"MutexAddress = " + CondVarAddress.ToString("x16") + ", " +
"WaitThreadHandle = " + ThreadHandle .ToString("x8") + ", " +
"Timeout = " + Timeout .ToString("x16"));
"MutexAddress = " + MutexAddress .ToString("x16") + ", " +
"CondVarAddress = " + CondVarAddress.ToString("x16") + ", " +
"ThreadHandle = " + ThreadHandle .ToString("x8") + ", " +
"Timeout = " + Timeout .ToString("x16"));
if (IsPointingInsideKernel(MutexAddress))
{
@ -181,16 +183,19 @@ namespace Ryujinx.Core.OsHle.Kernel
Ns.Log.PrintDebug(LogClass.KernelSvc, "MutexValue = " + MutexValue.ToString("x8"));
if (MutexValue != (OwnerThreadHandle | MutexHasListenersMask))
lock (Process.ThreadSyncLock)
{
return;
if (MutexValue != (OwnerThreadHandle | MutexHasListenersMask))
{
return;
}
CurrThread.WaitHandle = WaitThreadHandle;
CurrThread.MutexAddress = MutexAddress;
InsertWaitingMutexThread(OwnerThreadHandle, WaitThread);
}
CurrThread.WaitHandle = WaitThreadHandle;
CurrThread.MutexAddress = MutexAddress;
InsertWaitingMutexThread(OwnerThreadHandle, WaitThread);
Ns.Log.PrintDebug(LogClass.KernelSvc, "Entering wait state...");
Process.Scheduler.EnterWait(CurrThread);
@ -205,26 +210,22 @@ namespace Ryujinx.Core.OsHle.Kernel
return false;
}
lock (CurrThread)
lock (Process.ThreadSyncLock)
{
//This is the new thread that will not own the mutex.
//If no threads are waiting for the lock, then it should be null.
KThread OwnerThread = CurrThread.NextMutexThread;
while (OwnerThread != null && OwnerThread.MutexAddress != MutexAddress)
{
OwnerThread = OwnerThread.NextMutexThread;
}
UpdateMutexOwner(CurrThread, OwnerThread, MutexAddress);
CurrThread.NextMutexThread = null;
CurrThread.UpdatePriority();
KThread OwnerThread = GetHighestPriority(CurrThread.MutexWaiters, MutexAddress);
if (OwnerThread != null)
{
int HasListeners = OwnerThread.NextMutexThread != null ? MutexHasListenersMask : 0;
//Remove all waiting mutex from the old owner,
//and insert then on the new owner.
UpdateMutexOwner(CurrThread, OwnerThread, MutexAddress);
CurrThread.UpdatePriority();
OwnerThread.UpdatePriority();
int HasListeners = OwnerThread.MutexWaiters.Count > 0 ? MutexHasListenersMask : 0;
Process.Memory.WriteInt32(MutexAddress, HasListeners | OwnerThread.WaitHandle);
@ -238,12 +239,16 @@ namespace Ryujinx.Core.OsHle.Kernel
Process.Scheduler.WakeUp(OwnerThread);
Ns.Log.PrintDebug(LogClass.KernelSvc, "Gave mutex to thread id " + OwnerThread.ThreadId + "!");
return true;
}
else
{
Process.Memory.WriteInt32(MutexAddress, 0);
Ns.Log.PrintDebug(LogClass.KernelSvc, "No threads waiting mutex!");
return false;
}
}
@ -262,43 +267,7 @@ namespace Ryujinx.Core.OsHle.Kernel
lock (Process.ThreadArbiterListLock)
{
KThread CurrThread = Process.ThreadArbiterListHead;
if (CurrThread == null || CurrThread.ActualPriority > WaitThread.ActualPriority)
{
WaitThread.NextCondVarThread = Process.ThreadArbiterListHead;
Process.ThreadArbiterListHead = WaitThread;
}
else
{
bool DoInsert = CurrThread != WaitThread;
while (CurrThread.NextCondVarThread != null)
{
if (CurrThread.NextCondVarThread.ActualPriority > WaitThread.ActualPriority)
{
break;
}
CurrThread = CurrThread.NextCondVarThread;
DoInsert &= CurrThread != WaitThread;
}
//Only insert if the node doesn't already exist in the list.
//This prevents circular references.
if (DoInsert)
{
if (WaitThread.NextCondVarThread != null)
{
throw new InvalidOperationException();
}
WaitThread.NextCondVarThread = CurrThread.NextCondVarThread;
CurrThread.NextCondVarThread = WaitThread;
}
}
Process.ThreadArbiterList.Add(WaitThread);
}
Ns.Log.PrintDebug(LogClass.KernelSvc, "Entering wait state...");
@ -319,62 +288,44 @@ namespace Ryujinx.Core.OsHle.Kernel
{
lock (Process.ThreadArbiterListLock)
{
KThread PrevThread = null;
KThread CurrThread = Process.ThreadArbiterListHead;
KThread CurrThread = GetHighestPriority(CondVarAddress);
while (CurrThread != null && (Count == -1 || Count > 0))
while (CurrThread != null && (Count == -1 || Count-- > 0))
{
if (CurrThread.CondVarAddress == CondVarAddress)
AcquireMutexValue(CurrThread.MutexAddress);
int MutexValue = Process.Memory.ReadInt32(CurrThread.MutexAddress);
if (MutexValue == 0)
{
if (PrevThread != null)
{
PrevThread.NextCondVarThread = CurrThread.NextCondVarThread;
}
else
{
Process.ThreadArbiterListHead = CurrThread.NextCondVarThread;
}
//Give the lock to this thread.
Process.Memory.WriteInt32(CurrThread.MutexAddress, CurrThread.WaitHandle);
CurrThread.NextCondVarThread = null;
CurrThread.WaitHandle = 0;
CurrThread.MutexAddress = 0;
CurrThread.CondVarAddress = 0;
AcquireMutexValue(CurrThread.MutexAddress);
CurrThread.MutexOwner?.UpdatePriority();
int MutexValue = Process.Memory.ReadInt32(CurrThread.MutexAddress);
CurrThread.MutexOwner = null;
if (MutexValue == 0)
{
//Give the lock to this thread.
Process.Memory.WriteInt32(CurrThread.MutexAddress, CurrThread.WaitHandle);
Process.Scheduler.WakeUp(CurrThread);
}
else
{
//Wait until the lock is released.
MutexValue &= ~MutexHasListenersMask;
CurrThread.WaitHandle = 0;
CurrThread.MutexAddress = 0;
CurrThread.CondVarAddress = 0;
InsertWaitingMutexThread(MutexValue, CurrThread);
CurrThread.MutexOwner?.UpdatePriority();
MutexValue |= MutexHasListenersMask;
CurrThread.MutexOwner = null;
Process.Scheduler.WakeUp(CurrThread);
}
else
{
//Wait until the lock is released.
MutexValue &= ~MutexHasListenersMask;
InsertWaitingMutexThread(MutexValue, CurrThread);
MutexValue |= MutexHasListenersMask;
Process.Memory.WriteInt32(CurrThread.MutexAddress, MutexValue);
}
ReleaseMutexValue(CurrThread.MutexAddress);
Count--;
Process.Memory.WriteInt32(CurrThread.MutexAddress, MutexValue);
}
PrevThread = CurrThread;
CurrThread = CurrThread.NextCondVarThread;
ReleaseMutexValue(CurrThread.MutexAddress);
CurrThread = GetHighestPriority(CondVarAddress);
}
}
}
@ -390,59 +341,68 @@ namespace Ryujinx.Core.OsHle.Kernel
return;
}
WaitThread.MutexOwner = OwnerThread;
InsertWaitingMutexThread(OwnerThread, WaitThread);
}
lock (OwnerThread)
private void InsertWaitingMutexThread(KThread OwnerThread, KThread WaitThread)
{
lock (Process.ThreadSyncLock)
{
KThread CurrThread = OwnerThread;
WaitThread.MutexOwner = OwnerThread;
while (CurrThread.NextMutexThread != null)
if (!OwnerThread.MutexWaiters.Contains(WaitThread))
{
if (CurrThread == WaitThread)
{
return;
}
OwnerThread.MutexWaiters.Add(WaitThread);
if (CurrThread.NextMutexThread.ActualPriority > WaitThread.ActualPriority)
{
break;
}
CurrThread = CurrThread.NextMutexThread;
}
if (CurrThread != WaitThread)
{
if (WaitThread.NextMutexThread != null)
{
throw new InvalidOperationException();
}
WaitThread.NextMutexThread = CurrThread.NextMutexThread;
CurrThread.NextMutexThread = WaitThread;
OwnerThread.UpdatePriority();
}
}
OwnerThread.UpdatePriority();
}
private void UpdateMutexOwner(KThread CurrThread, KThread NewOwner, long MutexAddress)
{
//Go through all threads waiting for the mutex,
//and update the MutexOwner field to point to the new owner.
CurrThread = CurrThread.NextMutexThread;
while (CurrThread != null)
lock (Process.ThreadSyncLock)
{
if (CurrThread.MutexAddress == MutexAddress)
for (int Index = 0; Index < CurrThread.MutexWaiters.Count; Index++)
{
CurrThread.MutexOwner = NewOwner;
}
KThread Thread = CurrThread.MutexWaiters[Index];
CurrThread = CurrThread.NextMutexThread;
if (Thread.MutexAddress == MutexAddress)
{
CurrThread.MutexWaiters.RemoveAt(Index--);
Thread.MutexOwner = NewOwner;
NewOwner.MutexWaiters.Add(Thread);
}
}
}
}
private KThread GetHighestPriority(List<KThread> Threads, long MutexAddress)
{
return GetHighestPriority(Threads, x => x.MutexAddress == MutexAddress);
}
private KThread GetHighestPriority(long CondVarAddress)
{
return GetHighestPriority(Process.ThreadArbiterList, x => x.CondVarAddress == CondVarAddress);
}
private KThread GetHighestPriority(List<KThread> Threads, Func<KThread, bool> Predicate)
{
KThread Thread = Threads.OrderBy(x => x.ActualPriority).FirstOrDefault(Predicate);
if (Thread != null)
{
Threads.Remove(Thread);
}
return Thread;
}
private void AcquireMutexValue(long MutexAddress)
{
while (!Process.Memory.AcquireAddress(MutexAddress))

8
Ryujinx.Core/OsHle/Process.cs
View File

@ -38,10 +38,12 @@ namespace Ryujinx.Core.OsHle
public KProcessScheduler Scheduler { get; private set; }
public KThread ThreadArbiterListHead { get; set; }
public List<KThread> ThreadArbiterList { get; private set; }
public object ThreadArbiterListLock { get; private set; }
public object ThreadSyncLock { get; private set; }
public KProcessHandleTable HandleTable { get; private set; }
public AppletStateMgr AppletState { get; private set; }
@ -72,8 +74,12 @@ namespace Ryujinx.Core.OsHle
Memory = new AMemory();
ThreadArbiterList = new List<KThread>();
ThreadArbiterListLock = new object();
ThreadSyncLock = new object();
HandleTable = new KProcessHandleTable();
AppletState = new AppletStateMgr();