564 lines
15 KiB
C++
564 lines
15 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
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//
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// GCLog.cpp - GC diagnosis extension support
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//
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// Copyright Microsoft Corporation. All rights reserved.
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//
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#include "singx86.h"
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#include "diagnose.h"
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static char szSymbol[512];
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class GCTracing : public EventingEnumerator
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{
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// High level diagnosis enumeration. Each override will skip walking through actuall entries
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public:
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GCTracing ();
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// Override callouts
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bool virtual TypeCallout(EventTypeEntry * entryDescriptor);
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bool virtual ControllerCallout(ControllerObject *controller, bool finished);
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bool virtual EntryCallout(EntryHeader *header, EventTypeEntry * entryDescriptor);
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bool virtual MedataCallout(ControllerObject *controller);
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void virtual SourcesCallout(SourceEntry * source);
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bool virtual StorageCallout(UINT64 storageAddress, bool finished);
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private:
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void InitFile();
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FILE * f;
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ControllerObject * controller;
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char fname[128];
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UINT64 RootsHandle;
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UINT64 GenerationsHandle;
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UINT64 ObjectHandle;
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UINT64 StackHandle;
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UINT64 TypeHandle;
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UINT64 IntervalHandle;
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UINT64 AllocationHandle;
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UINT64 FunctionHandle;
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UINT64 EventStorageHandle;
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UINT64 TypeStorageHandle;
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bool ParsingMetadata;
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};
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#define MAX_PAGE_SIZE 4096
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char PageBuffer[MAX_PAGE_SIZE];
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void DumpMemory(PCSTR fname)
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{
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HRESULT status;
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ULONG64 pageTable;
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ULONG64 pageCount;
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ULONG64 pageSize = MAX_PAGE_SIZE;
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EXT_CHECK(FindBound("FlatPages::pageTable", &pageTable));
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EXT_CHECK(FindBound("FlatPages::pageCount", &pageCount));
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// EXT_CHECK(FindBound("nt!MemoryManager::PageSize", &pageSize)); not available
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ExtOut("%p %p %p", pageTable, pageCount, pageSize);
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FILE * f;
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f = fopen( fname, "wb" );
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if (f != NULL)
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{
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for (ULONG64 i = 0; i < pageCount; i++) {
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ULONG Descriptor;
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if ((i % 1000) == 0) {
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ExtOut(".", pageSize * i, Descriptor);
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}
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if (g_ExtData->ReadVirtual(pageTable + i * sizeof(Descriptor),
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&Descriptor, sizeof(Descriptor), NULL) != S_OK)
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{
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ExtOut("Error reading descriptor\n");
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break;
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}
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if (g_ExtData->ReadVirtual(pageSize * i, PageBuffer, (ULONG)pageSize, NULL) == S_OK)
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{
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// ExtOut("%p %lx\n", pageSize * i, Descriptor);
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fwrite(PageBuffer, (ULONG)pageSize, 1, f);
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} else {
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memset(PageBuffer, 0, (ULONG)pageSize);
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fwrite(PageBuffer, (ULONG)pageSize, 1, f);
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ExtOut("%p %lx error\n", pageSize * i, Descriptor);
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}
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}
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fclose(f);
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}
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return;
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Exit:
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// Error path
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ExtOut("Invalid symbols information\n");
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return;
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}
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void WriteFileRange (int Base, int Size, PCSTR fname) {
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FILE * f;
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f = fopen( fname, "wb" );
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if (f != NULL)
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{
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char buff[2048];
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while (Size)
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{
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int readsize = Size;
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if (readsize > sizeof(buff))
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{
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readsize = sizeof(buff);
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}
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if (g_ExtData->ReadVirtual(Base, buff, readsize, NULL) == S_OK)
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{
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fwrite(buff, readsize, 1, f);
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}
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Size -= readsize;
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Base += readsize;
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}
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fclose(f);
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}
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}
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void
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EnableKernelGCProfiler(ULONG64 MemorySize, bool breakOnRecycle)
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{
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HRESULT status;
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ULONG64 ExistingKernelBufferSize;
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ULONG64 KernelBufferAddress;
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BOOL OKSymbols = FALSE;
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EXT_CHECK(FindBound("Class_Microsoft_Singularity_GCProfilerLogger::c_StorageHandle",
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&KernelBufferAddress));
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if (KernelBufferAddress != 0)
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{
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ULONG64 isProfiling;
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EXT_CHECK(FindBound("Microsoft_Singularity_V1_Services_DiagnosisService::KernelBufferSize", &ExistingKernelBufferSize));
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OKSymbols = TRUE;
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ExtOut("GC Profiling is already in use for kernel (%ld MBytes buffer)\n",
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ExistingKernelBufferSize/ 1024 / 1024);
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ExtOut("The default value cannot be changed dynamically without rebooting the system\n");
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EXT_CHECK(FindBound("System_GC::isProfiling", &isProfiling));
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if (isProfiling == 0)
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{
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EXT_CHECK(SetBound("System_GC::isProfiling", 1));
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ExtOut("Re-enabling with the existing settings\n");
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}
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goto Exit;
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}
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ExtOut("Enabling kernel GC profiler with %ld MBytes buffer size and %sbreak on recycle\n",
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(long)(MemorySize/ 1024 / 1024),
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(breakOnRecycle ? "" : "NO "));
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EXT_CHECK(SetBound("Microsoft_Singularity_V1_Services_DiagnosisService::DeferedCommand", 1));
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EXT_CHECK(SetBound("Microsoft_Singularity_V1_Services_DiagnosisService::KernelBufferSize", MemorySize));
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EXT_CHECK(SetBound("Microsoft_Singularity_V1_Services_DiagnosisService::KernelProfileOptions", breakOnRecycle));
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OKSymbols = TRUE;
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Exit:
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if (!OKSymbols)
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{
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ExtOut("Error accessing variables. Please check symbols for kernel\n");
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}
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return;
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}
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void
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DisableKernelGCProfiler()
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{
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HRESULT status;
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ULONG64 KernelBufferAddress;
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BOOL OKSymbols = FALSE;
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EXT_CHECK(FindBound("gKernelBufferStart", &KernelBufferAddress));
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OKSymbols = TRUE;
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if (KernelBufferAddress == 0)
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{
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ExtOut("GC profiling is not enabled\n");
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goto Exit;
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}
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EXT_CHECK(SetBound("System_GC::isProfiling", 0));
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OKSymbols = TRUE;
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ExtOut("Kernel GC profiling disabled\n");
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Exit:
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if (!OKSymbols)
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{
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ExtOut("Error accessing variables. Please check symbols for kernel\n");
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}
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return;
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}
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void
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EnableSIPGCProfiler(ULONG64 MemorySize, bool breakOnRecycle)
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{
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HRESULT status;
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BOOL OKSymbols = FALSE;
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EXT_CHECK(SetBound("Microsoft_Singularity_V1_Services_DiagnosisService::SIPBufferSize", MemorySize));
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EXT_CHECK(SetBound("Microsoft_Singularity_V1_Services_DiagnosisService::SIPProfileOptions", breakOnRecycle));
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if (MemorySize == 0)
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{
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ExtOut("Disabling SIP GC profiler for new processes\n");
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}
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else
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{
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ExtOut("Enabling SIP GC profiler with %ld MBytes buffer size and %sbreak on recycle\n",
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(long)(MemorySize/ 1024 / 1024),
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(breakOnRecycle ? "" : "NO "));
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ExtOut("New processes starting from now on will have GC profiler enabled\n");
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}
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OKSymbols = TRUE;
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Exit:
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if (!OKSymbols)
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{
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ExtOut("Error accessing variables. Please check symbols for kernel\n");
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}
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return;
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}
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//
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// GC CLR writter
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//
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PCSTR prefixName;
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GCTracing::GCTracing ()
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{
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f = NULL;
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EventStorageHandle = 0;
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TypeStorageHandle = 0;
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}
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void GCTracing::InitFile()
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{
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if (f == NULL) {
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char fname[128];
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char * controllerName = controller->GetControllerName();
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_snprintf(fname, sizeof(fname), "%s_%s.LOG", prefixName, controllerName);
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free(controllerName);
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f = fopen( fname, "wt" );
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}
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}
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bool GCTracing::TypeCallout(EventTypeEntry * entryDescriptor)
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{
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if (!EventingEnumerator::TypeCallout(entryDescriptor)) {
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if (!EventingEnumerator::TypeCallout(SystemHeaderType)) {
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return FALSE;
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}
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}
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if (_stricmp(entryDescriptor->Name, "System.GC_ROOTS") == 0) {
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RootsHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_GENERATIONS") == 0) {
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GenerationsHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_OBJECT") == 0) {
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ObjectHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_STACK") == 0) {
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StackHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_TYPE") == 0) {
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TypeHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_INTERVAL") == 0) {
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IntervalHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_ALLOCATION") == 0) {
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AllocationHandle = (UINT64)entryDescriptor->Key;
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} else if (_stricmp(entryDescriptor->Name, "System.GC_FUNCTION") == 0) {
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FunctionHandle = (UINT64)entryDescriptor->Key;
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}
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return TRUE;
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}
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bool GCTracing::ControllerCallout( ControllerObject *ctrl, bool finished)
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{
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if (finished) {
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controller = NULL;
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} else {
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controller = ctrl;
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}
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if (f != NULL) fclose(f);
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f = NULL;
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EventStorageHandle = 0;
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TypeStorageHandle = 0;
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ParsingMetadata = TRUE;
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return TRUE;
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}
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bool GCTracing::MedataCallout(ControllerObject *controller)
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{
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ParsingMetadata = FALSE;
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if (TypeStorageHandle == 0) return FALSE;
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return TRUE;
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}
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bool GCTracing::StorageCallout(UINT64 storageAddress, bool finished)
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{
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if (ParsingMetadata) return TRUE;
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if (EventStorageHandle == storageAddress) {
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ExtOut("Walking event storage %p\n", storageAddress);
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return TRUE;
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}
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if (TypeStorageHandle == storageAddress) {
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ExtOut("Walking type storage %p\n", storageAddress);
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return TRUE;
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}
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return FALSE;
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}
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void GCTracing::SourcesCallout(SourceEntry * source)
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{
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if (MatchPatternString(exact, source->Name, "GC.Events")) {
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EventStorageHandle = source->StorageHandle;
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ExtOut("GC source: %s: (Key=%p, Storage=%p, ControlFlags=%lx)\n",
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source->Name,
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(UINT64)source->Key,
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source->StorageHandle,
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source->ControlFlags);
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} else if (MatchPatternString(exact, source->Name, "GC.TypeDefinitions")) {
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TypeStorageHandle = source->StorageHandle;
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ExtOut("GC source: %s: (Key=%p, Storage=%p, ControlFlags=%lx)\n",
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source->Name,
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(UINT64)source->Key,
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source->StorageHandle,
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source->ControlFlags);
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}
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}
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bool GCTracing::EntryCallout(EntryHeader *header, EventTypeEntry * entryDescriptor)
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{
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HRESULT status;
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if (entryDescriptor == NULL) {
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return FALSE;
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}
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if (entryDescriptor->Key == TypeHandle) {
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InitFile();
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PCHAR str = entryDescriptor->GetExtendedString(1);
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fprintf(f, "t 0x%p 0 %s\n", (ULONG)entryDescriptor->GetField("TypeId")->GetFieldNumericValue(), str);
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} else if (entryDescriptor->Key == FunctionHandle) {
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InitFile();
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ULONG64 displacement = 0;
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|
|
ULONG64 funcPtr = entryDescriptor->GetField("IP")->GetFieldNumericValue();
|
||
|
|
status = g_ExtSymbols->GetNameByOffset(funcPtr,
|
||
|
|
szSymbol,
|
||
|
|
arrayof(szSymbol),
|
||
|
|
NULL,
|
||
|
|
&displacement);
|
||
|
|
if (status == S_OK) {
|
||
|
|
fprintf(f, "f 0x%p %s+0x%I64x_0x%p (UNKNOWN ARGUMENTS) 0 0\n",
|
||
|
|
(ULONG)entryDescriptor->GetField("FnIdx")->GetFieldNumericValue(),
|
||
|
|
szSymbol,
|
||
|
|
displacement,
|
||
|
|
(ULONG)funcPtr);
|
||
|
|
} else {
|
||
|
|
|
||
|
|
fprintf(f, "f 0x%p FUNCTION_EIP 0x%p (UNKNOWN ARGUMENTS) 0 0\n",
|
||
|
|
(ULONG)entryDescriptor->GetField("FnIdx")->GetFieldNumericValue(),
|
||
|
|
(ULONG)funcPtr);
|
||
|
|
}
|
||
|
|
} else if (entryDescriptor->Key == IntervalHandle) {
|
||
|
|
|
||
|
|
InitFile();
|
||
|
|
fprintf(f, "i 0x%I64x\n", entryDescriptor->GetField("Delta")->GetFieldNumericValue());
|
||
|
|
|
||
|
|
} else if (entryDescriptor->Key == AllocationHandle) {
|
||
|
|
|
||
|
|
InitFile();
|
||
|
|
|
||
|
|
ULONG tid;
|
||
|
|
ULONG_PTR ctx = SWITCH_TO_METADATA_CURSOR();
|
||
|
|
|
||
|
|
FieldEntry * field = SystemHeaderType->GetField("TID");
|
||
|
|
tid = (ULONG)field->GetFieldNumericValue();
|
||
|
|
|
||
|
|
RESTORE_CURSOR(ctx);
|
||
|
|
|
||
|
|
fprintf(f, "! 0x%p 0x%p 0x%p\n",
|
||
|
|
tid,
|
||
|
|
(ULONG)entryDescriptor->GetField("Object")->GetFieldNumericValue(),
|
||
|
|
(ULONG)entryDescriptor->GetField("StkNo")->GetFieldNumericValue());
|
||
|
|
|
||
|
|
} else if (entryDescriptor->Key == StackHandle) {
|
||
|
|
|
||
|
|
InitFile();
|
||
|
|
fprintf(f, "n 0x%lx 1 0x%lx 0x%lx",
|
||
|
|
(ULONG)entryDescriptor->GetField("StkNo")->GetFieldNumericValue(),
|
||
|
|
(ULONG)entryDescriptor->GetField("TypeId")->GetFieldNumericValue(),
|
||
|
|
(ULONG)entryDescriptor->GetField("Size")->GetFieldNumericValue());
|
||
|
|
FieldEntry * array = entryDescriptor->GetField("fncList");
|
||
|
|
void * buffer = entryDescriptor->GetFieldArray((int)array->GetFieldNumericValue());
|
||
|
|
|
||
|
|
int count = array->GetArraySize(buffer);
|
||
|
|
|
||
|
|
if (count >= 2) {
|
||
|
|
|
||
|
|
for (int i = 0; i < count - 2; i++) {
|
||
|
|
ULONG fnc = (ULONG)array->GetFieldNumericValue(buffer, i);
|
||
|
|
fprintf(f, " 0x%lx", fnc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(f, "\n");
|
||
|
|
} else if (entryDescriptor->Key == RootsHandle) {
|
||
|
|
|
||
|
|
InitFile();
|
||
|
|
fprintf(f, "r");
|
||
|
|
|
||
|
|
FieldEntry * array = entryDescriptor->GetField("Roots");
|
||
|
|
void * buffer = entryDescriptor->GetFieldArray((int)array->GetFieldNumericValue());
|
||
|
|
|
||
|
|
int count = array->GetArraySize(buffer);
|
||
|
|
|
||
|
|
for (int i = 0; i < count; i++) {
|
||
|
|
|
||
|
|
ULONG Address = (ULONG)array->GetFieldNumericValue(buffer, i);
|
||
|
|
fprintf(f, " 0x%lx", Address);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(f, "\n");
|
||
|
|
} else if (entryDescriptor->Key == GenerationsHandle) {
|
||
|
|
|
||
|
|
InitFile();
|
||
|
|
fprintf(f, "g");
|
||
|
|
|
||
|
|
FieldEntry * array = entryDescriptor->GetField("Genrations");
|
||
|
|
void * buffer = entryDescriptor->GetFieldArray((int)array->GetFieldNumericValue());
|
||
|
|
|
||
|
|
int count = array->GetArraySize(buffer);
|
||
|
|
|
||
|
|
for (int i = 0; i < count; i++) {
|
||
|
|
|
||
|
|
ULONG Address = (ULONG)array->GetFieldNumericValue(buffer, i);
|
||
|
|
fprintf(f, " %ld", Address);
|
||
|
|
}
|
||
|
|
fprintf(f, "\n");
|
||
|
|
|
||
|
|
} else if (entryDescriptor->Key == ObjectHandle) {
|
||
|
|
|
||
|
|
InitFile();
|
||
|
|
fprintf(f, "o");
|
||
|
|
|
||
|
|
FieldEntry * array = entryDescriptor->GetField("ParameterList");
|
||
|
|
void * buffer = entryDescriptor->GetFieldArray((int)array->GetFieldNumericValue());
|
||
|
|
|
||
|
|
int count = array->GetArraySize(buffer);
|
||
|
|
|
||
|
|
for (int i = 0; i < count; i++) {
|
||
|
|
|
||
|
|
ULONG Address = (ULONG)array->GetFieldNumericValue(buffer, i);
|
||
|
|
fprintf(f, " 0x%lx", Address);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(f, "\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void
|
||
|
|
WriteCLRProfileFile(PCSTR fname, bool Kernel)
|
||
|
|
{
|
||
|
|
prefixName = fname;
|
||
|
|
|
||
|
|
TypeEntryCollector * collector = new TypeEntryCollector(0, "Timestamp");
|
||
|
|
if (collector) {
|
||
|
|
|
||
|
|
GCTracing * dump = new GCTracing();
|
||
|
|
|
||
|
|
if (dump) {
|
||
|
|
|
||
|
|
collector->TypeHandle = 0;
|
||
|
|
collector->GroupByController = TRUE;
|
||
|
|
collector->cascadeEnumerator = dump;
|
||
|
|
|
||
|
|
WalkTracingDatabase(collector, FALSE);
|
||
|
|
|
||
|
|
delete dump;
|
||
|
|
}
|
||
|
|
|
||
|
|
delete collector;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|