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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
View file

@ -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;
}
}
}
}