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multicorejit.cpp
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// ===========================================================================
// File: MultiCoreJIT.cpp
//
// ===========================================================================
// This file contains the implementation for MultiCore JIT (player in a separate file MultiCoreJITPlayer.cpp)
// ===========================================================================
//
#include "common.h"
#include "vars.hpp"
#include "eeconfig.h"
#include "dllimport.h"
#include "comdelegate.h"
#include "dbginterface.h"
#include "stubgen.h"
#include "eventtrace.h"
#include "array.h"
#include "fstream.h"
#include "hash.h"
#include "appdomain.hpp"
#include "qcall.h"
#include "eventtracebase.h"
#include "multicorejit.h"
#include "multicorejitimpl.h"
void MulticoreJitFireEtw(const WCHAR * pAction, const WCHAR * pTarget, int p1, int p2, int p3)
{
LIMITED_METHOD_CONTRACT
FireEtwMulticoreJit(GetClrInstanceId(), pAction, pTarget, p1, p2, p3);
}
void MulticoreJitFireEtwA(const WCHAR * pAction, const char * pTarget, int p1, int p2, int p3)
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
} CONTRACTL_END;
#ifdef FEATURE_EVENT_TRACE
EX_TRY
{
if (EventEnabledMulticoreJit())
{
SString wTarget;
wTarget.SetUTF8(pTarget);
FireEtwMulticoreJit(GetClrInstanceId(), pAction, wTarget.GetUnicode(), p1, p2, p3);
}
}
EX_CATCH
{ }
EX_END_CATCH(SwallowAllExceptions);
#endif // FEATURE_EVENT_TRACE
}
void MulticoreJitFireEtwMethodCodeReturned(MethodDesc * pMethod)
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
} CONTRACTL_END;
EX_TRY
{
if(pMethod)
{
// Get the module id.
Module * pModule = pMethod->GetModule();
ULONGLONG ullModuleID = (ULONGLONG)(TADDR) pModule;
// Get the method id.
ULONGLONG ullMethodID = (ULONGLONG)pMethod;
// Fire the event.
FireEtwMulticoreJitMethodCodeReturned(GetClrInstanceId(), ullModuleID, ullMethodID);
}
}
EX_CATCH
{ }
EX_END_CATCH(SwallowAllExceptions);
}
#ifdef MULTICOREJIT_LOGGING
// %s ANSI
void _MulticoreJitTrace(const char * format, ...)
{
static unsigned s_startTick = 0;
WRAPPER_NO_CONTRACT;
if (s_startTick == 0)
{
s_startTick = GetTickCount();
}
va_list args;
va_start(args, format);
#ifdef LOGGING
LogSpew2 (LF2_MULTICOREJIT, LL_INFO100, "Mcj ");
LogSpew2Valist(LF2_MULTICOREJIT, LL_INFO100, format, args);
LogSpew2 (LF2_MULTICOREJIT, LL_INFO100, ", (time=%d ms)\n", GetTickCount() - s_startTick);
#else
// Following LogSpewValist(DWORD facility, DWORD level, const char *fmt, va_list args)
char buffer[512];
int len;
len = sprintf_s(buffer, ARRAY_SIZE(buffer), "Mcj TID %04x: ", GetCurrentThreadId());
len += _vsnprintf_s(buffer + len, ARRAY_SIZE(buffer) - len, format, args);
len += sprintf_s(buffer + len, ARRAY_SIZE(buffer) - len, ", (time=%d ms)\r\n", GetTickCount() - s_startTick);
OutputDebugStringA(buffer);
#endif
va_end(args);
}
#endif
HRESULT MulticoreJitRecorder::WriteOutput()
{
CONTRACTL
{
NOTHROW;
GC_TRIGGERS;
MODE_ANY; // Called from AppDomain::Stop which is MODE_ANY
CAN_TAKE_LOCK;
}
CONTRACTL_END;
HRESULT hr = E_FAIL;
if (m_JitInfoArray == nullptr || m_ModuleList == nullptr)
{
return S_OK;
}
// Go into preemptive mode for file operations
GCX_PREEMP();
EX_TRY
{
CFileStream fileStream;
if (SUCCEEDED(hr = fileStream.OpenForWrite(m_fullFileName.GetUnicode())))
{
hr = WriteOutput(& fileStream);
}
}
EX_CATCH
{ }
EX_END_CATCH(SwallowAllExceptions);
return hr;
}
HRESULT WriteData(IStream * pStream, const void * pData, unsigned len)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_PREEMPTIVE;
}
CONTRACTL_END
ULONG cbWritten;
HRESULT hr = pStream->Write(pData, len, & cbWritten);
if (SUCCEEDED(hr) && (cbWritten != len))
{
hr = E_FAIL;
}
return hr;
}
// Write string, round to DWORD alignment
HRESULT WriteString(const void * pString, unsigned len, IStream * pStream)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_PREEMPTIVE;
}
CONTRACTL_END;
ULONG cbWritten = 0;
HRESULT hr;
hr = pStream->Write(pString, len, & cbWritten);
if (SUCCEEDED(hr))
{
len = RoundUp(len) - len;
if (len != 0)
{
cbWritten = 0;
hr = pStream->Write(& cbWritten, len, & cbWritten);
}
}
return hr;
}
//static
FileLoadLevel MulticoreJitManager::GetModuleFileLoadLevel(Module * pModule)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
}
CONTRACTL_END;
FileLoadLevel level = FILE_LOAD_CREATE; // min level
if (pModule != NULL)
{
Assembly * pAssembly = pModule->GetAssembly();
if (pAssembly != NULL)
{
level = pAssembly->GetLoadLevel();
}
}
return level;
}
bool ModuleVersion::GetModuleVersion(Module * pModule)
{
STANDARD_VM_CONTRACT;
HRESULT hr = E_FAIL;
// GetMVID can throw exception
EX_TRY
{
PEAssembly * pAsm = pModule->GetPEAssembly();
if (pAsm != NULL)
{
// CorAssemblyFlags, only 16-bit used
versionFlags = pAsm->GetFlags();
_ASSERTE((versionFlags & 0x80000000) == 0);
pAsm->GetVersion(&major, &minor, &build, &revision);
pAsm->GetMVID(&mvid);
hr = S_OK;
}
// If the load context is LOADFROM, store it in the flags.
}
EX_CATCH
{
hr = E_FAIL;
}
EX_END_CATCH(SwallowAllExceptions);
return SUCCEEDED(hr);
}
ModuleRecord::ModuleRecord(unsigned lenName, unsigned lenAsmName)
: version{}
, jitMethodCount{}
, wLoadLevel{}
{
LIMITED_METHOD_CONTRACT;
recordID = Pack8_24(MULTICOREJIT_MODULE_RECORD_ID, sizeof(ModuleRecord));
// Extra data
lenModuleName = (unsigned short) lenName;
lenAssemblyName = (unsigned short) lenAsmName;
recordID += RoundUp(lenModuleName) + RoundUp(lenAssemblyName);
}
bool RecorderModuleInfo::SetModule(Module * pMod)
{
STANDARD_VM_CONTRACT;
pModule = pMod;
LPCUTF8 pModuleName = pMod->GetSimpleName();
unsigned lenModuleName = (unsigned) strlen(pModuleName);
simpleName.Set((const BYTE *) pModuleName, lenModuleName); // SBuffer::Set copies over name
SString sAssemblyName;
pMod->GetAssembly()->GetPEAssembly()->GetDisplayName(sAssemblyName);
LPCUTF8 pAssemblyName = sAssemblyName.GetUTF8();
unsigned lenAssemblyName = sAssemblyName.GetCount();
assemblyName.Set((const BYTE *) pAssemblyName, lenAssemblyName);
return moduleVersion.GetModuleVersion(pMod);
}
/////////////////////////////////////////////////////
//
// class MulticoreJitRecorder
//
/////////////////////////////////////////////////////
HRESULT MulticoreJitRecorder::WriteModuleRecord(IStream * pStream, const RecorderModuleInfo & module)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_PREEMPTIVE;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
HRESULT hr;
const void * pModuleName = module.simpleName;
unsigned lenModuleName = module.simpleName.GetSize();
const void * pAssemblyName = module.assemblyName;
unsigned lenAssemblyName = module.assemblyName.GetSize();
ModuleRecord mod(lenModuleName, lenAssemblyName);
mod.version = module.moduleVersion;
mod.jitMethodCount = module.methodCount;
mod.wLoadLevel = (unsigned short) module.loadLevel;
mod.flags = module.flags;
hr = WriteData(pStream, & mod, sizeof(mod));
if (SUCCEEDED(hr))
{
hr = WriteString(pModuleName, lenModuleName, pStream);
if (SUCCEEDED(hr))
{
hr = WriteString(pAssemblyName, lenAssemblyName, pStream);
}
}
return hr;
}
HRESULT MulticoreJitRecorder::WriteOutput(IStream * pStream)
{
CONTRACTL
{
NOTHROW;
GC_TRIGGERS;
MODE_PREEMPTIVE;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
HRESULT hr = S_OK;
_ASSERTE(m_JitInfoArray != nullptr);
_ASSERTE(m_ModuleList != nullptr);
// Preprocessing Methods
LONG skipped = 0;
for (LONG i = 0 ; i < m_JitInfoCount; i++)
{
if (m_JitInfoArray[i].IsModuleInfo())
{
// Module records don't need preprocessing
continue;
}
MethodDesc * pMethod = m_JitInfoArray[i].GetMethodDescAndClean();
if (m_JitInfoArray[i].IsGenericMethodInfo())
{
SigBuilder sigBuilder;
BOOL fSuccess = false;
EX_TRY
{
fSuccess = ZapSig::EncodeMethod(pMethod, NULL, &sigBuilder, (LPVOID)this, (ENCODEMODULE_CALLBACK)MulticoreJitManager::EncodeModuleHelper, NULL);
}
EX_CATCH
{
}
EX_END_CATCH(SwallowAllExceptions);
if (!fSuccess)
{
skipped++;
continue;
}
DWORD dwLength;
BYTE * pBlob = (BYTE*)sigBuilder.GetSignature(&dwLength);
if (dwLength >= SIGNATURE_LENGTH_MASK + 1)
{
skipped++;
continue;
}
BYTE * pSignature = new (nothrow) BYTE[dwLength];
if (pSignature == nullptr)
{
skipped++;
continue;
}
memcpy(pSignature, pBlob, dwLength);
m_JitInfoArray[i].PackSignatureForGenericMethod(pSignature, dwLength);
}
else
{
_ASSERTE(m_JitInfoArray[i].IsNonGenericMethodInfo());
unsigned token = pMethod->GetMemberDef();
m_JitInfoArray[i].PackTokenForNonGenericMethod(token);
}
}
{
HeaderRecord header;
memset(&header, 0, sizeof(header));
header.recordID = Pack8_24(MULTICOREJIT_HEADER_RECORD_ID, sizeof(HeaderRecord));
header.version = MULTICOREJIT_PROFILE_VERSION;
header.moduleCount = m_ModuleCount;
header.methodCount = m_JitInfoCount - skipped - m_ModuleDepCount;
header.moduleDepCount = m_ModuleDepCount;
MulticoreJitCodeStorage & curStorage = m_pDomain->GetMulticoreJitManager().GetMulticoreJitCodeStorage();
// Stats about played profile, 14 short, 3 long = 40 bytes
header.shortCounters[ 0] = m_stats.m_nTotalMethod;
header.shortCounters[ 1] = m_stats.m_nHasNativeCode;
header.shortCounters[ 2] = m_stats.m_nTryCompiling;
header.shortCounters[ 3] = (unsigned short) curStorage.GetStored();
header.shortCounters[ 4] = (unsigned short) curStorage.GetReturned();
header.shortCounters[ 5] = m_stats.m_nFilteredMethods;
header.shortCounters[ 6] = m_stats.m_nMissingModuleSkip;
header.shortCounters[ 7] = m_stats.m_nTotalDelay;
header.shortCounters[ 8] = m_stats.m_nDelayCount;
header.shortCounters[ 9] = m_stats.m_nWalkBack;
_ASSERTE(HEADER_W_COUNTER >= 14);
header.longCounters[0] = m_stats.m_hr;
_ASSERTE(HEADER_D_COUNTER >= 3);
_ASSERTE((sizeof(header) % sizeof(unsigned)) == 0);
hr = WriteData(pStream, & header, sizeof(header));
}
DWORD dwData = 0;
for (unsigned i = 0; SUCCEEDED(hr) && (i < m_ModuleCount); i ++)
{
hr = WriteModuleRecord(pStream, m_ModuleList[i]);
}
for (LONG i = 0 ; i < m_JitInfoCount && SUCCEEDED(hr); i++)
{
if (m_JitInfoArray[i].IsModuleInfo())
{
// Module record
_ASSERTE(m_JitInfoArray[i].IsFullyInitialized());
DWORD data1 = m_JitInfoArray[i].GetRawModuleData();
hr = WriteData(pStream, &data1, sizeof(data1));
}
else if (m_JitInfoArray[i].IsGenericMethodInfo())
{
// Method record
DWORD data1 = m_JitInfoArray[i].GetRawMethodData1();
unsigned short data2 = m_JitInfoArray[i].GetRawMethodData2Generic();
BYTE * pSignature = m_JitInfoArray[i].GetRawMethodSignature();
if (pSignature == nullptr)
{
// Skipped method
continue;
}
DWORD sigSize = m_JitInfoArray[i].GetMethodSignatureSize();
DWORD paddingSize = m_JitInfoArray[i].GetMethodRecordPaddingSize();
hr = WriteData(pStream, &data1, sizeof(data1));
if (SUCCEEDED(hr))
{
hr = WriteData(pStream, &data2, sizeof(data2));
}
if (SUCCEEDED(hr))
{
hr = WriteData(pStream, pSignature, sigSize);
}
if (SUCCEEDED(hr) && paddingSize > 0)
{
DWORD tmp = 0;
hr = WriteData(pStream, &tmp, paddingSize);
}
}
else
{
_ASSERTE(m_JitInfoArray[i].IsNonGenericMethodInfo());
// Method record
DWORD data1 = m_JitInfoArray[i].GetRawMethodData1();
unsigned data2 = m_JitInfoArray[i].GetRawMethodData2NonGeneric();
hr = WriteData(pStream, &data1, sizeof(data1));
if (SUCCEEDED(hr))
{
hr = WriteData(pStream, &data2, sizeof(data2));
}
}
}
for (LONG i = 0; i < m_JitInfoCount; i++)
{
if (m_JitInfoArray[i].IsGenericMethodInfo())
{
delete[] m_JitInfoArray[i].GetRawMethodSignature();
}
}
MulticoreJitTrace(("New profile: %d modules, %d methods", m_ModuleCount, m_JitInfoCount));
_FireEtwMulticoreJit(W("WRITEPROFILE"), m_fullFileName.GetUnicode(), m_ModuleCount, m_JitInfoCount, 0);
return hr;
}
unsigned MulticoreJitRecorder::FindModule(Module * pModule)
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_ModuleList != nullptr);
for (unsigned i = 0 ; i < m_ModuleCount; i ++)
{
if (m_ModuleList[i].pModule == pModule)
{
return i;
}
}
return UINT_MAX;
}
// Find known module index, or add to module table
// Return UINT_MAX when table is full, or SetModule fails
unsigned MulticoreJitRecorder::GetOrAddModuleIndex(Module * pModule)
{
STANDARD_VM_CONTRACT;
_ASSERTE(m_ModuleList != nullptr);
unsigned slot = FindModule(pModule);
if ((slot == UINT_MAX) && (m_ModuleCount < MAX_MODULES))
{
slot = m_ModuleCount ++;
if (! m_ModuleList[slot].SetModule(pModule))
{
return UINT_MAX;
}
}
return slot;
}
void MulticoreJitRecorder::RecordMethodInfo(unsigned moduleIndex, MethodDesc * pMethod, bool application)
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_JitInfoArray != nullptr);
_ASSERTE(m_ModuleList != nullptr);
if (m_JitInfoCount < (LONG) MAX_METHODS)
{
m_ModuleList[moduleIndex].methodCount++;
m_JitInfoArray[m_JitInfoCount++].PackMethod(moduleIndex, pMethod, application);
}
}
unsigned MulticoreJitRecorder::RecordModuleInfo(Module * pModule)
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_ModuleList != nullptr);
// pModule could be unknown at this point (modules not enumerated, no event received yet)
unsigned moduleIndex = GetOrAddModuleIndex(pModule);
if (moduleIndex == UINT_MAX)
{
return UINT_MAX;
}
if (m_fFirstMethod)
{
PreRecordFirstMethod();
}
// Make sure level for current module is recorded properly
// Module dependency for generic and stub as well as regular method are handled in JitInfo.
// Any module dependencies for all types of methods would be handled with JitInfo before they are attempted to be multicorejitted.
if (m_ModuleList[moduleIndex].loadLevel != FILE_ACTIVE)
{
FileLoadLevel needLevel = MulticoreJitManager::GetModuleFileLoadLevel(pModule);
if (m_ModuleList[moduleIndex].loadLevel < needLevel)
{
m_ModuleList[moduleIndex].loadLevel = needLevel;
// Update load level
RecordOrUpdateModuleInfo(needLevel, moduleIndex);
}
}
return moduleIndex;
}
void MulticoreJitRecorder::RecordOrUpdateModuleInfo(FileLoadLevel needLevel, unsigned moduleIndex)
{
LIMITED_METHOD_CONTRACT;
if (m_JitInfoArray != nullptr && m_JitInfoCount < (LONG) MAX_METHODS)
{
// Due to incremental loading, there are quite a few RecordModuleLoad coming with increasing load level, merge
// Previous record and current record both represent modules
if (m_JitInfoCount > 0
&& m_JitInfoArray[m_JitInfoCount - 1].IsModuleInfo()
&& m_JitInfoArray[m_JitInfoCount - 1].GetModuleIndex() == moduleIndex)
{
if (needLevel > m_JitInfoArray[m_JitInfoCount - 1].GetModuleLoadLevel())
{
m_JitInfoArray[m_JitInfoCount - 1].PackModule(needLevel, moduleIndex);
}
return; // no new record
}
m_ModuleDepCount++;
m_JitInfoArray[m_JitInfoCount++].PackModule(needLevel, moduleIndex);
}
}
class MulticoreJitRecorderModuleEnumerator : public MulticoreJitModuleEnumerator
{
MulticoreJitRecorder * m_pRecorder;
HRESULT OnModule(Module * pModule)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_PREEMPTIVE;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
if (MulticoreJitManager::IsSupportedModule(pModule, false))
{
m_pRecorder->AddModuleDependency(pModule, MulticoreJitManager::GetModuleFileLoadLevel(pModule));
}
return S_OK;
}
public:
MulticoreJitRecorderModuleEnumerator(MulticoreJitRecorder * pRecorder)
{
m_pRecorder = pRecorder;
}
};
// The whole AppDomain is depending on pModule
void MulticoreJitRecorder::AddModuleDependency(Module * pModule, FileLoadLevel loadLevel)
{
STANDARD_VM_CONTRACT;
_ASSERTE(m_ModuleList != nullptr);
MulticoreJitTrace(("AddModuleDependency(%s, %d)", pModule->GetSimpleName(), loadLevel));
_FireEtwMulticoreJitA(W("ADDMODULEDEPENDENCY"), pModule->GetSimpleName(), loadLevel, 0, 0);
unsigned moduleTo = GetOrAddModuleIndex(pModule);
if (moduleTo == UINT_MAX)
{
return;
}
if (m_ModuleList[moduleTo].loadLevel < loadLevel)
{
m_ModuleList[moduleTo].loadLevel = loadLevel;
// Update load level
RecordOrUpdateModuleInfo(loadLevel, moduleTo);
}
}
DWORD MulticoreJitRecorder::EncodeModule(Module * pReferencedModule)
{
STANDARD_VM_CONTRACT;
_ASSERTE(m_ModuleList != nullptr);
unsigned slot = GetOrAddModuleIndex(pReferencedModule);
FileLoadLevel loadLevel = MulticoreJitManager::GetModuleFileLoadLevel(pReferencedModule);
if (slot == UINT_MAX)
{
return ENCODE_MODULE_FAILED;
}
if (m_ModuleList[slot].loadLevel < loadLevel)
{
m_ModuleList[slot].loadLevel = loadLevel;
// Update load level
RecordOrUpdateModuleInfo(loadLevel, slot);
}
// This increment is required, because we need to increase methodCount for all referenced modules for generic method.
// RecordMethodInfo will only increment this counter for pMethod->GetModule.
m_ModuleList[slot].methodCount++;
return (DWORD) slot;
}
// Enumerate all modules within an assembly, call OnModule virtual method
HRESULT MulticoreJitModuleEnumerator::HandleAssembly(Assembly * pAssembly)
{
STANDARD_VM_CONTRACT;
Module * pModule = pAssembly->GetModule();
return OnModule(pModule);
}
// Enum all loaded modules within pDomain, call OnModule virtual method
HRESULT MulticoreJitModuleEnumerator::EnumerateLoadedModules(AppDomain * pDomain)
{
STANDARD_VM_CONTRACT;
HRESULT hr = S_OK;
AppDomain::AssemblyIterator appIt = pDomain->IterateAssembliesEx((AssemblyIterationFlags)(kIncludeLoaded | kIncludeExecution));
CollectibleAssemblyHolder<Assembly *> pAssembly;
while (appIt.Next(pAssembly.This()) && SUCCEEDED(hr))
{
{
hr = HandleAssembly(pAssembly);
}
}
return hr;
}
// static: single instance within a process
#ifndef TARGET_UNIX
TP_TIMER * MulticoreJitRecorder::s_delayedWriteTimer; // = NULL;
// static
void CALLBACK
MulticoreJitRecorder::WriteMulticoreJitProfiler(PTP_CALLBACK_INSTANCE pInstance, PVOID pvContext, PTP_TIMER pTimer)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
CAN_TAKE_LOCK;
} CONTRACTL_END;
MulticoreJitManager * pManager = (MulticoreJitManager *) pvContext;
pManager->WriteMulticoreJitProfiler();
}
#endif // !TARGET_UNIX
void MulticoreJitRecorder::PreRecordFirstMethod()
{
STANDARD_VM_CONTRACT;
// When first method is added to an AppDomain, add all currently loaded modules as dependent modules
m_fFirstMethod = false;
{
MulticoreJitRecorderModuleEnumerator enumerator(this);
enumerator.EnumerateLoadedModules(m_pDomain);
}
// When running under CoreCLR for K, AppDomain is normally not shut down properly (CLR in hybrid case, or Alt-F4 shutdown),
// So we only allow writing out after profileWriteTimeout seconds
{
// Get the timeout in seconds.
int profileWriteTimeout = (int)CLRConfig::GetConfigValue(CLRConfig::INTERNAL_MultiCoreJitProfileWriteDelay);
#ifndef TARGET_UNIX
// Using the same threadpool timer used by UsageLog to write out profile when running under CoreCLR.
MulticoreJitManager & manager = m_pDomain->GetMulticoreJitManager();
s_delayedWriteTimer = CreateThreadpoolTimer(MulticoreJitRecorder::WriteMulticoreJitProfiler, &manager, NULL);
if (s_delayedWriteTimer != NULL)
{
ULARGE_INTEGER msDelay;
// SetThreadpoolTimer needs delay to be given in 100 ns unit, negative
msDelay.QuadPart = (ULONGLONG) -(profileWriteTimeout * 10 * 1000 * 1000);
FILETIME ftDueTime;
ftDueTime.dwLowDateTime = msDelay.u.LowPart;
ftDueTime.dwHighDateTime = msDelay.u.HighPart;
// This will either set the timer to happen in profileWriteTimeout seconds, or reset the timer so the same will happen.
// This function is safe to call
SetThreadpoolTimer(s_delayedWriteTimer, &ftDueTime, 0, 2000 /* large 2000 ms window for executing this timer is acceptable as the timing here is very much not critical */);
}
#endif // !TARGET_UNIX
}
}
void MulticoreJitRecorder::RecordMethodJitOrLoad(MethodDesc * pMethod, bool application)
{
STANDARD_VM_CONTRACT;
Module * pModule = pMethod->GetModule();
// Skip methods from non-supported modules
if (! MulticoreJitManager::IsSupportedModule(pModule, true))
{
return;
}
unsigned moduleIndex = RecordModuleInfo(pModule);
if (moduleIndex == UINT_MAX)
{
return;
}
RecordMethodInfo(moduleIndex, pMethod, application);
}
// Called from AppDomain::RaiseAssemblyResolveEvent, make it simple
void MulticoreJitRecorder::AbortProfile()
{
LIMITED_METHOD_CONTRACT;
// Increment session ID tells background thread to stop
m_pDomain->GetMulticoreJitManager().GetProfileSession().Increment();
m_fAborted = true; // Do not save output when StopProfile is called
}
HRESULT MulticoreJitRecorder::StopProfile(bool appDomainShutdown)
{
CONTRACTL
{
CAN_TAKE_LOCK;
}
CONTRACTL_END;
HRESULT hr = S_OK;
// Increment session ID tells background thread to stop
MulticoreJitManager & manager = m_pDomain->GetMulticoreJitManager();
manager.GetProfileSession().Increment();
if (! m_fAborted && ! m_fullFileName.IsEmpty())
{
hr = WriteOutput();
}
MulticoreJitTrace(("StopProfile: Save new profile to %s, hr=0x%x", m_fullFileName.GetUTF8(), hr));
return hr;
}
// suffix (>= 0) is used for AutoStartProfile, to support multiple AppDomains. It's set to -1 for normal API call path
HRESULT MulticoreJitRecorder::StartProfile(const WCHAR * pRoot, const WCHAR * pFile, int suffix, LONG nSession)
{
STANDARD_VM_CONTRACT;
HRESULT hr = S_FALSE;
if ((pRoot == NULL) || (pFile == NULL))
{
return E_INVALIDARG;
}
#ifdef MULTICOREJIT_LOGGING
MAKE_UTF8PTR_FROMWIDE(pRootUtf8, pRoot);
MAKE_UTF8PTR_FROMWIDE(pFileUtf8, pFile);
MulticoreJitTrace(("StartProfile('%s', '%s', %d)", pRootUtf8, pFileUtf8, suffix));
#endif // MULTICOREJIT_LOGGING
size_t lenFile = u16_strlen(pFile);
// Options (only AutoStartProfile using environment variable, for testing)
// ([d|D]main-thread-delay)
if ((suffix >= 0) && (lenFile >= 3) && (pFile[0]=='('))// AutoStartProfile, using environment variable
{
pFile ++;
lenFile --;
while ((lenFile > 0) && isalpha(pFile[0]))
{
switch (pFile[0])
{
case 'd':
case 'D':
g_MulticoreJitEnabled = false;
break;
default:
break;
}
pFile ++;
lenFile --;
}
if ((lenFile > 0) && isdigit(* pFile))
{
g_MulticoreJitDelay = 0;
while ((lenFile > 0) && isdigit(* pFile))
{
g_MulticoreJitDelay = g_MulticoreJitDelay * 10 + (int) (* pFile - '0');
pFile ++;
lenFile --;
}
}
// End of options
if ((lenFile > 0) && (* pFile == ')'))
{
pFile ++;
lenFile --;
}
}
MulticoreJitTrace(("g_MulticoreJitEnabled = %d, disable/enable Mcj feature", g_MulticoreJitEnabled));
if (g_MulticoreJitEnabled && (lenFile > 0))
{
m_fullFileName.Set(pRoot);