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JIT: pgo/devirt diagnostic improvements #53247

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May 26, 2021
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JIT: pgo/devirt diagnostic improvements #53247

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360ae85
JIT: pgo/devirt diagnostic improvements
AndyAyersMS May 22, 2021
8899b11
change failure reason to description enum
AndyAyersMS May 26, 2021
2455118
format
AndyAyersMS May 26, 2021
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13 changes: 12 additions & 1 deletion src/coreclr/ToolBox/superpmi/mcs/verbdumpmap.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,8 @@ void DumpMap(int index, MethodContext* mc)
bool hasEdgeProfile = false;
bool hasClassProfile = false;
bool hasLikelyClass = false;
if (mc->hasPgoData(hasEdgeProfile, hasClassProfile, hasLikelyClass))
ICorJitInfo::PgoSource pgoSource = ICorJitInfo::PgoSource::Unknown;
if (mc->hasPgoData(hasEdgeProfile, hasClassProfile, hasLikelyClass, pgoSource))
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_PGO);

Expand All @@ -108,6 +109,16 @@ void DumpMap(int index, MethodContext* mc)
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_LIKELY_CLASS);
}

if (pgoSource == ICorJitInfo::PgoSource::Static)
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_STATIC_PROFILE);
}

if (pgoSource == ICorJitInfo::PgoSource::Dynamic)
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_DYNAMIC_PROFILE);
}
}

printf(", %s\n", SpmiDumpHelper::DumpJitFlags(rawFlags).c_str());
Expand Down
13 changes: 12 additions & 1 deletion src/coreclr/ToolBox/superpmi/mcs/verbjitflags.cpp
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Expand Up @@ -30,7 +30,8 @@ int verbJitFlags::DoWork(const char* nameOfInput)
bool hasEdgeProfile = false;
bool hasClassProfile = false;
bool hasLikelyClass = false;
if (mc->hasPgoData(hasEdgeProfile, hasClassProfile, hasLikelyClass))
ICorJitInfo::PgoSource pgoSource = ICorJitInfo::PgoSource::Unknown;
if (mc->hasPgoData(hasEdgeProfile, hasClassProfile, hasLikelyClass, pgoSource))
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_PGO);

Expand All @@ -48,6 +49,16 @@ int verbJitFlags::DoWork(const char* nameOfInput)
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_LIKELY_CLASS);
}

if (pgoSource == ICorJitInfo::PgoSource::Static)
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_STATIC_PROFILE);
}

if (pgoSource == ICorJitInfo::PgoSource::Dynamic)
{
rawFlags |= 1ULL << (EXTRA_JIT_FLAGS::HAS_DYNAMIC_PROFILE);
}
}

int index = flagMap.GetIndex(rawFlags);
Expand Down
2 changes: 2 additions & 0 deletions src/coreclr/ToolBox/superpmi/superpmi-shared/agnostic.h
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Expand Up @@ -491,6 +491,7 @@ struct Agnostic_GetPgoInstrumentationResults
DWORD data_index;
DWORD dataByteCount;
DWORD result;
DWORD pgoSource;
};

struct Agnostic_GetProfilingHandle
Expand Down Expand Up @@ -567,6 +568,7 @@ struct Agnostic_ResolveVirtualMethodResult
DWORDLONG devirtualizedMethod;
bool requiresInstMethodTableArg;
DWORDLONG exactContext;
DWORD detail;
};

struct ResolveTokenValue
Expand Down
23 changes: 15 additions & 8 deletions src/coreclr/ToolBox/superpmi/superpmi-shared/methodcontext.cpp
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Expand Up @@ -3175,14 +3175,15 @@ void MethodContext::recResolveVirtualMethod(CORINFO_DEVIRTUALIZATION_INFO * info
result.devirtualizedMethod = CastHandle(info->devirtualizedMethod);
result.requiresInstMethodTableArg = info->requiresInstMethodTableArg;
result.exactContext = CastHandle(info->exactContext);
result.detail = (DWORD) info->detail;
ResolveVirtualMethod->Add(key, result);
DEBUG_REC(dmpResolveVirtualMethod(key, result));
}

void MethodContext::dmpResolveVirtualMethod(const Agnostic_ResolveVirtualMethodKey& key, const Agnostic_ResolveVirtualMethodResult& result)
{
printf("ResolveVirtualMethod virtMethod-%016llX, objClass-%016llX, context-%016llX :: returnValue-%d, devirtMethod-%016llX, requiresInstArg-%d, exactContext-%016llX",
key.virtualMethod, key.objClass, key.context, result.returnValue, result.devirtualizedMethod, result.requiresInstMethodTableArg, result.exactContext);
printf("ResolveVirtualMethod virtMethod-%016llX, objClass-%016llX, context-%016llX :: returnValue-%d, devirtMethod-%016llX, requiresInstArg-%d, exactContext-%016llX, detail-%d",
key.virtualMethod, key.objClass, key.context, result.returnValue, result.devirtualizedMethod, result.requiresInstMethodTableArg, result.exactContext, result.detail);
}

bool MethodContext::repResolveVirtualMethod(CORINFO_DEVIRTUALIZATION_INFO * info)
Expand All @@ -3201,6 +3202,7 @@ bool MethodContext::repResolveVirtualMethod(CORINFO_DEVIRTUALIZATION_INFO * info
info->devirtualizedMethod = (CORINFO_METHOD_HANDLE) result.devirtualizedMethod;
info->requiresInstMethodTableArg = result.requiresInstMethodTableArg;
info->exactContext = (CORINFO_CONTEXT_HANDLE) result.exactContext;
info->detail = (CORINFO_DEVIRTUALIZATION_DETAIL) result.detail;
return result.returnValue;
}

Expand Down Expand Up @@ -5543,6 +5545,7 @@ void MethodContext::recGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd
ICorJitInfo::PgoInstrumentationSchema** pSchema,
UINT32* pCountSchemaItems,
BYTE** pInstrumentationData,
ICorJitInfo::PgoSource* pPgoSource,
HRESULT result)
{
if (GetPgoInstrumentationResults == nullptr)
Expand Down Expand Up @@ -5571,15 +5574,16 @@ void MethodContext::recGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd
value.data_index = GetPgoInstrumentationResults->AddBuffer((unsigned char*)*pInstrumentationData, (unsigned)maxOffset);
value.dataByteCount = (unsigned)maxOffset;
value.result = (DWORD)result;
value.pgoSource = (DWORD)*pPgoSource;

DWORDLONG key = CastHandle(ftnHnd);
GetPgoInstrumentationResults->Add(key, value);
DEBUG_REC(dmpGetPgoInstrumentationResults(key, value));
}
void MethodContext::dmpGetPgoInstrumentationResults(DWORDLONG key, const Agnostic_GetPgoInstrumentationResults& value)
{
printf("GetPgoInstrumentationResults key ftn-%016llX, value res-%08X schemaCnt-%u profileBufSize-%u schema{",
key, value.result, value.countSchemaItems, value.dataByteCount);
printf("GetPgoInstrumentationResults key ftn-%016llX, value res-%08X schemaCnt-%u profileBufSize-%u source-%u schema{",
key, value.result, value.countSchemaItems, value.dataByteCount, value.pgoSource);

if (value.countSchemaItems > 0)
{
Expand Down Expand Up @@ -5636,7 +5640,8 @@ void MethodContext::dmpGetPgoInstrumentationResults(DWORDLONG key, const Agnosti
HRESULT MethodContext::repGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd,
ICorJitInfo::PgoInstrumentationSchema** pSchema,
UINT32* pCountSchemaItems,
BYTE** pInstrumentationData)
BYTE** pInstrumentationData,
ICorJitInfo::PgoSource* pPgoSource)
{
DWORDLONG key = CastHandle(ftnHnd);
AssertMapAndKeyExist(GetPgoInstrumentationResults, key, ": key %016llX", key);
Expand All @@ -5646,6 +5651,7 @@ HRESULT MethodContext::repGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftn

*pCountSchemaItems = (UINT32)tempValue.countSchemaItems;
*pInstrumentationData = (BYTE*)GetPgoInstrumentationResults->GetBuffer(tempValue.data_index);
*pPgoSource = (ICorJitInfo::PgoSource)tempValue.pgoSource;

ICorJitInfo::PgoInstrumentationSchema* pOutSchema = (ICorJitInfo::PgoInstrumentationSchema*)AllocJitTempBuffer(tempValue.countSchemaItems * sizeof(ICorJitInfo::PgoInstrumentationSchema));

Expand Down Expand Up @@ -6814,7 +6820,8 @@ int MethodContext::dumpMethodIdentityInfoToBuffer(char* buff, int len, bool igno
ICorJitInfo::PgoInstrumentationSchema* schema = nullptr;
UINT32 schemaCount = 0;
BYTE* schemaData = nullptr;
HRESULT pgoHR = repGetPgoInstrumentationResults(pInfo->ftn, &schema, &schemaCount, &schemaData);
ICorJitInfo::PgoSource pgoSource = ICorJitInfo::PgoSource::Unknown;
HRESULT pgoHR = repGetPgoInstrumentationResults(pInfo->ftn, &schema, &schemaCount, &schemaData, &pgoSource);

size_t minOffset = (size_t) ~0;
size_t maxOffset = 0;
Expand Down Expand Up @@ -6902,7 +6909,7 @@ int MethodContext::dumpMD5HashToBuffer(BYTE* pBuffer, int bufLen, char* hash, in
return m_hash.HashBuffer(pBuffer, bufLen, hash, hashLen);
}

bool MethodContext::hasPgoData(bool& hasEdgeProfile, bool& hasClassProfile, bool& hasLikelyClass)
bool MethodContext::hasPgoData(bool& hasEdgeProfile, bool& hasClassProfile, bool& hasLikelyClass, ICorJitInfo::PgoSource& pgoSource)
{
hasEdgeProfile = false;
hasClassProfile = false;
Expand All @@ -6919,7 +6926,7 @@ bool MethodContext::hasPgoData(bool& hasEdgeProfile, bool& hasClassProfile, bool
ICorJitInfo::PgoInstrumentationSchema* schema = nullptr;
UINT32 schemaCount = 0;
BYTE* schemaData = nullptr;
HRESULT pgoHR = repGetPgoInstrumentationResults(info.ftn, &schema, &schemaCount, &schemaData);
HRESULT pgoHR = repGetPgoInstrumentationResults(info.ftn, &schema, &schemaCount, &schemaData, &pgoSource);

if (SUCCEEDED(pgoHR))
{
Expand Down
12 changes: 8 additions & 4 deletions src/coreclr/ToolBox/superpmi/superpmi-shared/methodcontext.h
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,9 @@ enum EXTRA_JIT_FLAGS
HAS_PGO = 63,
HAS_EDGE_PROFILE = 62,
HAS_CLASS_PROFILE = 61,
HAS_LIKELY_CLASS = 60
HAS_LIKELY_CLASS = 60,
HAS_STATIC_PROFILE = 59,
HAS_DYNAMIC_PROFILE = 58
};

// Asserts to catch changes in corjit flags definitions.
Expand All @@ -59,6 +61,8 @@ static_assert((int)EXTRA_JIT_FLAGS::HAS_PGO == (int)CORJIT_FLAGS::CorJitFlag::CO
static_assert((int)EXTRA_JIT_FLAGS::HAS_EDGE_PROFILE == (int)CORJIT_FLAGS::CorJitFlag::CORJIT_FLAG_UNUSED35, "Jit Flags Mismatch");
static_assert((int)EXTRA_JIT_FLAGS::HAS_CLASS_PROFILE == (int)CORJIT_FLAGS::CorJitFlag::CORJIT_FLAG_UNUSED34, "Jit Flags Mismatch");
static_assert((int)EXTRA_JIT_FLAGS::HAS_LIKELY_CLASS == (int)CORJIT_FLAGS::CorJitFlag::CORJIT_FLAG_UNUSED33, "Jit Flags Mismatch");
static_assert((int)EXTRA_JIT_FLAGS::HAS_STATIC_PROFILE == (int)CORJIT_FLAGS::CorJitFlag::CORJIT_FLAG_UNUSED32, "Jit Flags Mismatch");
static_assert((int)EXTRA_JIT_FLAGS::HAS_DYNAMIC_PROFILE == (int)CORJIT_FLAGS::CorJitFlag::CORJIT_FLAG_UNUSED31, "Jit Flags Mismatch");

class MethodContext
{
Expand Down Expand Up @@ -99,7 +103,7 @@ class MethodContext
int dumpMethodIdentityInfoToBuffer(char* buff, int len, bool ignoreMethodName = false, CORINFO_METHOD_INFO* optInfo = nullptr, unsigned optFlags = 0);
int dumpMethodMD5HashToBuffer(char* buff, int len, bool ignoreMethodName = false, CORINFO_METHOD_INFO* optInfo = nullptr, unsigned optFlags = 0);

bool hasPgoData(bool& hasEdgeProfile, bool& hasClassProfile, bool& hasLikelyClass);
bool hasPgoData(bool& hasEdgeProfile, bool& hasClassProfile, bool& hasLikelyClass, ICorJitInfo::PgoSource& pgoSource);

void recGlobalContext(const MethodContext& other);

Expand Down Expand Up @@ -699,9 +703,9 @@ class MethodContext
void dmpAllocPgoInstrumentationBySchema(DWORDLONG key, const Agnostic_AllocPgoInstrumentationBySchema& value);
HRESULT repAllocPgoInstrumentationBySchema(CORINFO_METHOD_HANDLE ftnHnd, ICorJitInfo::PgoInstrumentationSchema* pSchema, UINT32 countSchemaItems, BYTE** pInstrumentationData);

void recGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd, ICorJitInfo::PgoInstrumentationSchema** pSchema, UINT32* pCountSchemaItems, BYTE** pInstrumentationData, HRESULT result);
void recGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd, ICorJitInfo::PgoInstrumentationSchema** pSchema, UINT32* pCountSchemaItems, BYTE** pInstrumentationData, ICorJitInfo::PgoSource* pPgoSource, HRESULT result);
void dmpGetPgoInstrumentationResults(DWORDLONG key, const Agnostic_GetPgoInstrumentationResults& value);
HRESULT repGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd, ICorJitInfo::PgoInstrumentationSchema** pSchema, UINT32* pCountSchemaItems, BYTE** pInstrumentationData);
HRESULT repGetPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd, ICorJitInfo::PgoInstrumentationSchema** pSchema, UINT32* pCountSchemaItems, BYTE** pInstrumentationData, ICorJitInfo::PgoSource* pPgoSource);

void recMergeClasses(CORINFO_CLASS_HANDLE cls1, CORINFO_CLASS_HANDLE cls2, CORINFO_CLASS_HANDLE result);
void dmpMergeClasses(DLDL key, DWORDLONG value);
Expand Down
7 changes: 4 additions & 3 deletions src/coreclr/ToolBox/superpmi/superpmi-shim-collector/icorjitinfo.cpp
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Expand Up @@ -2067,11 +2067,12 @@ HRESULT interceptor_ICJI::allocPgoInstrumentationBySchema(CORINFO_METHOD_HANDLE
HRESULT interceptor_ICJI::getPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd,
PgoInstrumentationSchema **pSchema, // pointer to the schema table which describes the instrumentation results (pointer will not remain valid after jit completes)
uint32_t * pCountSchemaItems, // pointer to the count schema items
uint8_t ** pInstrumentationData) // pointer to the actual instrumentation data (pointer will not remain valid after jit completes)
uint8_t ** pInstrumentationData, // pointer to the actual instrumentation data (pointer will not remain valid after jit completes)
PgoSource* pPgoSource)
{
mc->cr->AddCall("getPgoInstrumentationResults");
HRESULT temp = original_ICorJitInfo->getPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData);
mc->recGetPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData, temp);
HRESULT temp = original_ICorJitInfo->getPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData, pPgoSource);
mc->recGetPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData, pPgoSource, temp);
return temp;
}

Expand Down
5 changes: 3 additions & 2 deletions src/coreclr/ToolBox/superpmi/superpmi-shim-counter/icorjitinfo.cpp
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Expand Up @@ -1329,10 +1329,11 @@ JITINTERFACE_HRESULT interceptor_ICJI::getPgoInstrumentationResults(
CORINFO_METHOD_HANDLE ftnHnd,
ICorJitInfo::PgoInstrumentationSchema** pSchema,
uint32_t* pCountSchemaItems,
uint8_t** pInstrumentationData)
uint8_t** pInstrumentationData,
ICorJitInfo::PgoSource* pgoSource)
{
mcs->AddCall("getPgoInstrumentationResults");
return original_ICorJitInfo->getPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData);
return original_ICorJitInfo->getPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData, pgoSource);
}

JITINTERFACE_HRESULT interceptor_ICJI::allocPgoInstrumentationBySchema(
Expand Down
5 changes: 3 additions & 2 deletions src/coreclr/ToolBox/superpmi/superpmi-shim-simple/icorjitinfo.cpp
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Expand Up @@ -1164,9 +1164,10 @@ JITINTERFACE_HRESULT interceptor_ICJI::getPgoInstrumentationResults(
CORINFO_METHOD_HANDLE ftnHnd,
ICorJitInfo::PgoInstrumentationSchema** pSchema,
uint32_t* pCountSchemaItems,
uint8_t** pInstrumentationData)
uint8_t** pInstrumentationData,
ICorJitInfo::PgoSource* pgoSource)
{
return original_ICorJitInfo->getPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData);
return original_ICorJitInfo->getPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData, pgoSource);
}

JITINTERFACE_HRESULT interceptor_ICJI::allocPgoInstrumentationBySchema(
Expand Down
6 changes: 4 additions & 2 deletions src/coreclr/ToolBox/superpmi/superpmi/icorjitinfo.cpp
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Expand Up @@ -1815,10 +1815,12 @@ HRESULT MyICJI::allocPgoInstrumentationBySchema(CORINFO_METHOD_HANDLE ftnHnd,
HRESULT MyICJI::getPgoInstrumentationResults(CORINFO_METHOD_HANDLE ftnHnd,
PgoInstrumentationSchema **pSchema, // pointer to the schema table which describes the instrumentation results (pointer will not remain valid after jit completes)
uint32_t * pCountSchemaItems, // pointer to the count schema items
uint8_t ** pInstrumentationData) // pointer to the actual instrumentation data (pointer will not remain valid after jit completes)
uint8_t ** pInstrumentationData, // pointer to the actual instrumentation data (pointer will not remain valid after jit completes)
PgoSource* pPgoSource)

{
jitInstance->mc->cr->AddCall("getPgoInstrumentationResults");
return jitInstance->mc->repGetPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData);
return jitInstance->mc->repGetPgoInstrumentationResults(ftnHnd, pSchema, pCountSchemaItems, pInstrumentationData, pPgoSource);
}

// Associates a native call site, identified by its offset in the native code stream, with
Expand Down
23 changes: 20 additions & 3 deletions src/coreclr/inc/corinfo.h
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Expand Up @@ -1601,6 +1601,21 @@ struct CORINFO_CALL_INFO
bool wrapperDelegateInvoke;
};

enum CORINFO_DEVIRTUALIZATION_DETAIL
{
CORINFO_DEVIRTUALIZATION_UNKNOWN, // no details available
CORINFO_DEVIRTUALIZATION_SUCCESS, // devirtualization was successful
CORINFO_DEVIRTUALIZATION_FAILED_CANON, // object class was canonical
CORINFO_DEVIRTUALIZATION_FAILED_COM, // object class was com
CORINFO_DEVIRTUALIZATION_FAILED_CAST, // object class could not be cast to interface class
CORINFO_DEVIRTUALIZATION_FAILED_LOOKUP, // interface method could not be found
CORINFO_DEVIRTUALIZATION_FAILED_DIM, // interface method was default interface method
CORINFO_DEVIRTUALIZATION_FAILED_SUBCLASS, // object not subclass of base class
CORINFO_DEVIRTUALIZATION_FAILED_SLOT, // virtual method installed via explicit override
CORINFO_DEVIRTUALIZATION_FAILED_BUBBLE, // devirtualization crossed version bubble
CORINFO_DEVIRTUALIZATION_COUNT, // sentinel for maximum value
};

struct CORINFO_DEVIRTUALIZATION_INFO
{
//
Expand All @@ -1616,10 +1631,12 @@ struct CORINFO_DEVIRTUALIZATION_INFO
// invariant is `resolveVirtualMethod(...) == (devirtualizedMethod != nullptr)`.
// - requiresInstMethodTableArg is set to TRUE if the devirtualized method requires a type handle arg.
// - exactContext is set to wrapped CORINFO_CLASS_HANDLE of devirt'ed method table.
// - details on the computation done by the jit host
//
CORINFO_METHOD_HANDLE devirtualizedMethod;
bool requiresInstMethodTableArg;
CORINFO_CONTEXT_HANDLE exactContext;
CORINFO_METHOD_HANDLE devirtualizedMethod;
bool requiresInstMethodTableArg;
CORINFO_CONTEXT_HANDLE exactContext;
CORINFO_DEVIRTUALIZATION_DETAIL detail;
};

//----------------------------------------------------------------------------
Expand Down
14 changes: 13 additions & 1 deletion src/coreclr/inc/corjit.h
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Expand Up @@ -388,6 +388,17 @@ class ICorJitInfo : public ICorDynamicInfo
int32_t Other;
};

enum class PgoSource
{
Unknown = 0, // PGO data source unknown
Static = 1, // PGO data comes from embedded R2R profile data
Dynamic = 2, // PGO data comes from current run
Blend = 3, // PGO data comes from blend of prior runs and current run
Text = 4, // PGO data comes from text file
IBC = 5, // PGO data from classic IBC
Sampling= 6, // PGO data derived from sampling
};

#define DEFAULT_UNKNOWN_TYPEHANDLE 1
#define UNKNOWN_TYPEHANDLE_MIN 1
#define UNKNOWN_TYPEHANDLE_MAX 33
Expand All @@ -404,8 +415,9 @@ class ICorJitInfo : public ICorDynamicInfo
PgoInstrumentationSchema **pSchema, // OUT: pointer to the schema table (array) which describes the instrumentation results
// (pointer will not remain valid after jit completes).
uint32_t * pCountSchemaItems, // OUT: pointer to the count of schema items in `pSchema` array.
uint8_t ** pInstrumentationData // OUT: `*pInstrumentationData` is set to the address of the instrumentation data
uint8_t ** pInstrumentationData, // OUT: `*pInstrumentationData` is set to the address of the instrumentation data
// (pointer will not remain valid after jit completes).
PgoSource * pPgoSource // OUT: value describing source of pgo data
) = 0;

// Allocate a profile buffer for use in the current process
Expand Down
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