private static void ReportProgress(object state) { const int refreshRate = 50; // ms. AutoResetEvent endEvent = (AutoResetEvent)state; int count = 0; do { int newCount = _translateCount; if (count != newCount) { PtcStateChanged?.Invoke(PtcLoadingState.Loading, newCount, _translateTotalCount); count = newCount; } }while (!endEvent.WaitOne(refreshRate)); }
internal static void MakeAndSaveTranslations( ConcurrentDictionary <ulong, TranslatedFunction> funcs, IMemoryManager memory, JumpTable jumpTable, EntryTable <uint> countTable) { var profiledFuncsToTranslate = PtcProfiler.GetProfiledFuncsToTranslate(funcs); _translateCount = 0; _translateTotalCount = profiledFuncsToTranslate.Count; int degreeOfParallelism = new DegreeOfParallelism(4d, 75d, 12.5d).GetDegreeOfParallelism(0, 32); if (_translateTotalCount == 0 || degreeOfParallelism == 0) { ResetCarriersIfNeeded(); PtcJumpTable.ClearIfNeeded(); GCSettings.LargeObjectHeapCompactionMode = GCLargeObjectHeapCompactionMode.CompactOnce; return; } Logger.Info?.Print(LogClass.Ptc, $"{_translateCount} of {_translateTotalCount} functions translated | Thread count: {degreeOfParallelism}"); PtcStateChanged?.Invoke(PtcLoadingState.Start, _translateCount, _translateTotalCount); using AutoResetEvent progressReportEvent = new AutoResetEvent(false); Thread progressReportThread = new Thread(ReportProgress) { Name = "Ptc.ProgressReporter", Priority = ThreadPriority.Lowest, IsBackground = true }; progressReportThread.Start(progressReportEvent); void TranslateFuncs() { while (profiledFuncsToTranslate.TryDequeue(out var item)) { ulong address = item.address; Debug.Assert(PtcProfiler.IsAddressInStaticCodeRange(address)); TranslatedFunction func = Translator.Translate(memory, jumpTable, countTable, address, item.funcProfile.Mode, item.funcProfile.HighCq); bool isAddressUnique = funcs.TryAdd(address, func); Debug.Assert(isAddressUnique, $"The address 0x{address:X16} is not unique."); if (func.HighCq) { jumpTable.RegisterFunction(address, func); } Interlocked.Increment(ref _translateCount); if (State != PtcState.Enabled) { break; } } Translator.DisposePools(); } List <Thread> threads = new List <Thread>(); for (int i = 0; i < degreeOfParallelism; i++) { Thread thread = new Thread(TranslateFuncs); thread.IsBackground = true; threads.Add(thread); } threads.ForEach((thread) => thread.Start()); threads.ForEach((thread) => thread.Join()); threads.Clear(); progressReportEvent.Set(); progressReportThread.Join(); PtcStateChanged?.Invoke(PtcLoadingState.Loaded, _translateCount, _translateTotalCount); Logger.Info?.Print(LogClass.Ptc, $"{_translateCount} of {_translateTotalCount} functions translated | Thread count: {degreeOfParallelism}"); PtcJumpTable.Initialize(jumpTable); PtcJumpTable.ReadJumpTable(jumpTable); PtcJumpTable.ReadDynamicTable(jumpTable); Thread preSaveThread = new Thread(PreSave); preSaveThread.IsBackground = true; preSaveThread.Start(); }