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|
//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
// ===========================================================================
// File: MultiCoreJIT.cpp
//
// ===========================================================================
// This file contains the implementation for MultiCore JIT (player in a seperate file MultiCoreJITPlayer.cpp)
// ===========================================================================
//
#include "common.h"
#include "vars.hpp"
#include "security.h"
#include "eeconfig.h"
#include "dllimport.h"
#include "comdelegate.h"
#include "dbginterface.h"
#include "listlock.inl"
#include "stubgen.h"
#include "eventtrace.h"
#include "array.h"
#include "fstream.h"
#include "hash.h"
#include "appdomain.hpp"
#include "qcall.h"
#include "multicorejit.h"
#include "multicorejitimpl.h"
const wchar_t * AppxProfile = W("Application.Profile");
#if defined(FEATURE_APPX_BINDER)
//static
bool MulticoreJitManager::IsLoadOkay(Module * pModule)
{
CONTRACTL
{
THROWS;
SO_INTOLERANT;
MODE_ANY;
}
CONTRACTL_END;
if (pModule->GetAssembly()->GetManifestFile()->IsWindowsRuntime())
{
PEFile * pFile = pModule->GetFile();
ICLRPrivAssembly * pHostAsm = pFile->GetHostAssembly();
// Allow first party WinMD to load in multicore JIT background thread
if (pHostAsm != NULL)
{
BOOL shared = FALSE;
if (SUCCEEDED(pHostAsm->IsShareable(& shared)))
{
if (shared)
{
LPCUTF8 simpleName = pModule->GetSimpleName();
if (IsWindowsNamespace(simpleName))
{
return true;
}
}
}
}
}
return false;
}
#endif
// #define MCGEN_ENABLE_CHECK(Context, Descriptor) (Context.IsEnabled && McGenEventTracingEnabled(&Context, &Descriptor))
// #define FireEtwMulticoreJit(ClrInstanceID, String1, String2, Int1, Int2, Int3)\
// MCGEN_ENABLE_CHECK(MICROSOFT_WINDOWS_DOTNETRUNTIME_PRIVATE_PROVIDER_Context, MulticoreJit) ?\
// CoMofTemplate_hzzddd(Microsoft_Windows_DotNETRuntimePrivateHandle, &MulticoreJit, &CLRMulticoreJitId, ClrInstanceID, String1, String2, Int1, Int2, Int3)\
// : ERROR_SUCCESS\
void MulticoreJitFireEtw(const wchar_t * pAction, const wchar_t * pTarget, int p1, int p2, int p3)
{
LIMITED_METHOD_CONTRACT
FireEtwMulticoreJit(GetClrInstanceId(), pAction, pTarget, p1, p2, p3);
}
void MulticoreJitFireEtwA(const wchar_t * pAction, const char * pTarget, int p1, int p2, int p3)
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
} CONTRACTL_END;
#ifdef FEATURE_EVENT_TRACE
EX_TRY
{
if (McGenEventTracingEnabled(& MICROSOFT_WINDOWS_DOTNETRUNTIME_PRIVATE_PROVIDER_Context, & MulticoreJit))
{
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_NoLogging();
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
// %S UNICODE
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, _countof(buffer), "Mcj TID %04x: ", GetCurrentThreadId());
len += _vsnprintf(buffer + len, _countof(buffer) - len, format, args);
len += sprintf_s(buffer + len, _countof(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;
// Go into preemptive mode for file operations
GCX_PREEMP();
{
CFileStream fileStream;
if (SUCCEEDED(hr = fileStream.OpenForWrite(m_fullFileName)))
{
hr = WriteOutput(& fileStream);
}
}
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 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)
{
DomainFile * pDomainFile = pModule->FindDomainFile(GetAppDomain());
if (pDomainFile != NULL)
{
level = pDomainFile->GetLoadLevel();
}
}
return level;
}
bool ModuleVersion::GetModuleVersion(Module * pModule)
{
STANDARD_VM_CONTRACT;
HRESULT hr = E_FAIL;
// GetMVID can throw exception
EX_TRY
{
PEFile * pFile = pModule->GetFile();
if (pFile != NULL)
{
PEAssembly * pAsm = pFile->GetAssembly();
if (pAsm != NULL)
{
// CorAssemblyFlags, only 16-bit used
versionFlags = pAsm->GetFlags();
_ASSERTE((versionFlags & 0x80000000) == 0);
if (pFile->HasNativeImage())
{
hasNativeImage = 1;
}
pAsm->GetVersion(& major, & minor, & build, & revision);
pAsm->GetMVID(& mvid);
hr = S_OK;
}
}
// If the load context is LOADFROM, store it in the flags.
#ifdef FEATURE_FUSION
Assembly * pAssembly = pModule->GetAssembly();
LOADCTX_TYPE loadCtx = pAssembly->GetManifestFile()->GetLoadContext();
if(LOADCTX_TYPE_LOADFROM == loadCtx)
{
versionFlags |= VERSIONFLAG_LOADCTX_LOADFROM;
}
#endif
}
EX_CATCH
{
hr = E_FAIL;
}
EX_END_CATCH(SwallowAllExceptions);
return SUCCEEDED(hr);
}
ModuleRecord::ModuleRecord(unsigned lenName, unsigned lenAsmName)
{
LIMITED_METHOD_CONTRACT;
memset(this, 0, sizeof(ModuleRecord));
recordID = Pack8_24(MULTICOREJIT_MODULE_RECORD_ID, sizeof(ModuleRecord));
wLoadLevel = 0;
// Extra data
lenModuleName = (unsigned short) lenName;
#if defined(FEATURE_CORECLR) && defined(FEATURE_HOSTED_BINDER)
lenAssemblyName = (unsigned short) lenAsmName;
recordID += RoundUp(lenModuleName) + RoundUp(lenAssemblyName);
#else
recordID += RoundUp(lenModuleName);
#endif
}
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
#if defined(FEATURE_CORECLR) && defined(FEATURE_HOSTED_BINDER)
SString sAssemblyName;
StackScratchBuffer scratch;
pMod->GetAssembly()->GetManifestFile()->GetDisplayName(sAssemblyName);
LPCUTF8 pAssemblyName = sAssemblyName.GetUTF8(scratch);
unsigned lenAssemblyName = sAssemblyName.GetCount();
assemblyName.Set((const BYTE *) pAssemblyName, lenAssemblyName);
#endif
#if defined(FEATURE_APPX_BINDER)
// Allow certain modules to load on background thread
if (AppX::IsAppXProcess() && MulticoreJitManager::IsLoadOkay(pMod))
{
flags |= FLAG_LOADOKAY;
}
#endif
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();
#if defined(FEATURE_CORECLR) && defined(FEATURE_HOSTED_BINDER)
const void * pAssemblyName = module.assemblyName;
unsigned lenAssemblyName = module.assemblyName.GetSize();
#else
unsigned lenAssemblyName = 0;
#endif
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 defined(FEATURE_CORECLR) && defined(FEATURE_HOSTED_BINDER)
if (SUCCEEDED(hr))
{
hr = WriteString(pAssemblyName, lenAssemblyName, pStream);
}
#endif
}
return hr;
}
HRESULT MulticoreJitRecorder::WriteOutput(IStream * pStream)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_PREEMPTIVE;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
HRESULT hr = S_OK;
{
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 - 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;
header.shortCounters[10] = m_fAppxMode;
_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]);
}
if (SUCCEEDED(hr))
{
unsigned remain = m_JitInfoCount;
const unsigned * pInfo = m_JitInfoArray;
while (SUCCEEDED(hr) && (remain > 0))
{
unsigned count = remain;
if (count > MAX_JIT_COUNT)
{
count = MAX_JIT_COUNT;
}
dwData = Pack8_24(MULTICOREJIT_JITINF_RECORD_ID, count * sizeof(DWORD) + sizeof(DWORD));
hr = WriteData(pStream, & dwData, sizeof(dwData));
if (SUCCEEDED(hr))
{
hr = WriteData(pStream, pInfo, sizeof(unsigned) * count);
}
pInfo += count;
remain -= count;
}
}
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;
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::GetModuleIndex(Module * pModule)
{
STANDARD_VM_CONTRACT;
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::RecordJitInfo(unsigned module, unsigned method)
{
LIMITED_METHOD_CONTRACT;
if (m_JitInfoCount < (LONG) MAX_METHOD_ARRAY)
{
unsigned info1 = Pack8_24(module, method & 0xFFFFFF);
// Due to incremental loading, there are quite a few RecordModuleLoad coming with increasing load level, merge
// Previous record and current record are both MODULE_DEPENDENCY
if ((m_JitInfoCount > 0) && (info1 & MODULE_DEPENDENCY))
{
unsigned info0 = m_JitInfoArray[m_JitInfoCount - 1];
if ((info0 & 0xFFFF00FF) == (info1 & 0xFFFF00FF)) // to/from modules are the same
{
if (info1 > info0) // higher level
{
m_JitInfoArray[m_JitInfoCount - 1] = info1; // replace
}
return; // no new record
}
}
if (method & MODULE_DEPENDENCY)
{
m_ModuleDepCount ++;
}
else
{
m_ModuleList[module].methodCount ++;
}
m_JitInfoArray[m_JitInfoCount] = info1;
m_JitInfoCount ++;
}
}
class MulticoreJitRecorderModuleEnumerator : public MulticoreJitModuleEnumerator
{
MulticoreJitRecorder * m_pRecorder;
bool m_fAppxMode;
HRESULT OnModule(Module * pModule)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_PREEMPTIVE;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
if (MulticoreJitManager::IsSupportedModule(pModule, false, m_fAppxMode))
{
m_pRecorder->AddModuleDependency(pModule, MulticoreJitManager::GetModuleFileLoadLevel(pModule));
}
return S_OK;
}
public:
MulticoreJitRecorderModuleEnumerator(MulticoreJitRecorder * pRecorder, bool fAppxMode)
{
m_pRecorder = pRecorder;
m_fAppxMode = fAppxMode;
}
};
// The whole AppDomain is depending on pModule
void MulticoreJitRecorder::AddModuleDependency(Module * pModule, FileLoadLevel loadLevel)
{
STANDARD_VM_CONTRACT;
MulticoreJitTrace(("AddModuleDependency(%s, %d)", pModule->GetSimpleName(), loadLevel));
_FireEtwMulticoreJitA(W("ADDMODULEDEPENDENCY"), pModule->GetSimpleName(), loadLevel, 0, 0);
unsigned moduleTo = GetModuleIndex(pModule);
if (moduleTo != UINT_MAX)
{
if (m_ModuleList[moduleTo].loadLevel < loadLevel)
{
m_ModuleList[moduleTo].loadLevel = loadLevel;
// Update load level
RecordJitInfo(0, ((unsigned) loadLevel << 8) | moduleTo | MODULE_DEPENDENCY);
}
}
}
// Enumerate all modules within an assembly, call OnModule virtual method
HRESULT MulticoreJitModuleEnumerator::HandleAssembly(DomainAssembly * pAssembly)
{
STANDARD_VM_CONTRACT;
DomainAssembly::ModuleIterator modIt = pAssembly->IterateModules(kModIterIncludeLoaded);
HRESULT hr = S_OK;
while (modIt.Next() && SUCCEEDED(hr))
{
Module * pModule = modIt.GetModule();
if (pModule != NULL)
{
hr = OnModule(pModule);
}
}
return hr;
}
// 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<DomainAssembly *> pDomainAssembly;
while (appIt.Next(pDomainAssembly.This()) && SUCCEEDED(hr))
{
#if !defined(FEATURE_CORECLR)
if (! pDomainAssembly->IsSystem())
#endif
{
hr = HandleAssembly(pDomainAssembly);
}
}
return hr;
}
#if defined(FEATURE_APPX_BINDER)
// ProfileName = ProcessName_CoreAppId.Profile ; for server process, always use it for output
// ProcessName.Profile
void AppendAppxProfileName(SString & name)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
} CONTRACTL_END;
{
WCHAR wszProcessName[_MAX_PATH];
if (WszGetModuleFileName(NULL, wszProcessName, _MAX_PATH) != 0)
{
WCHAR * pNameOnly = wcsrchr(wszProcessName, W('\\'));
if (pNameOnly == NULL)
{
pNameOnly = wszProcessName;
}
else
{
pNameOnly ++;
}
WCHAR * pExt = wcsrchr(pNameOnly, W('.')); // last .
if (pExt != NULL)
{
* pExt = 0;
}
// Use process name only
name.Append(pNameOnly);
name.Append(W("_"));
}
}
LPCWSTR pAppId = NULL;
if (SUCCEEDED(AppX::GetApplicationId(pAppId)))
{
name.Append(pAppId);
name.Append(W(".Profile"));
return;
}
// default name
name.Append(AppxProfile);
}
#endif
// static: single instace within a process
#ifndef FEATURE_PAL
TP_TIMER * MulticoreJitRecorder::s_delayedWriteTimer; // = NULL;
// static
void CALLBACK
MulticoreJitRecorder::WriteMulticoreJitProfiler(PTP_CALLBACK_INSTANCE pInstance, PVOID pvContext, PTP_TIMER pTimer)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
} CONTRACTL_END;
// Avoid saving after MulticoreJitRecorder is deleted, and saving twice
if (! CloseTimer())
{
return;
}
MulticoreJitRecorder * pRecorder = (MulticoreJitRecorder *) pvContext;
if (pRecorder != NULL)
{
#if defined(FEATURE_APPX_BINDER)
if (pRecorder->m_fAppxMode)
{
const wchar_t * pOutputDir = NULL;
HRESULT hr = Clr::Util::GetLocalAppDataDirectory(&pOutputDir);
if (SUCCEEDED(hr))
{
pRecorder->m_fullFileName = pOutputDir;
pRecorder->m_fullFileName.Append(W("\\"));
AppendAppxProfileName(pRecorder->m_fullFileName);
pRecorder->StopProfile(false);
}
}
else
#endif
{
pRecorder->StopProfile(false);
}
}
}
#endif // !FEATURE_PAL
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, m_fAppxMode);
enumerator.EnumerateLoadedModules(m_pDomain);
}
// When running under Appx or 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
#if !defined(FEATURE_CORECLR)
if (m_fAppxMode)
#endif
{
// Get the timeout in seconds.
int profileWriteTimeout = (int)CLRConfig::GetConfigValue(CLRConfig::INTERNAL_MultiCoreJitProfileWriteDelay);
#ifndef FEATURE_PAL
// Using the same threadpool timer used by UsageLog to write out profile when running under Appx or CoreCLR.
s_delayedWriteTimer = CreateThreadpoolTimer(WriteMulticoreJitProfiler, this, 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 // !FEATURE_PAL
}
}
void MulticoreJitRecorder::RecordMethodJit(MethodDesc * pMethod, bool application)
{
STANDARD_VM_CONTRACT;
Module * pModule = pMethod->GetModule_NoLogging();
// Skip methods from non-supported modules
if (! MulticoreJitManager::IsSupportedModule(pModule, true, m_fAppxMode))
{
return;
}
// pModule could be unknown at this point (modules not enumerated, no event received yet)
unsigned moduleIndex = GetModuleIndex(pModule);
if (moduleIndex < UINT_MAX)
{
if (m_fFirstMethod)
{
PreRecordFirstMethod();
}
// Make sure level for current module is recorded properly
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
RecordJitInfo(0, ((unsigned) needLevel << 8) | moduleIndex | MODULE_DEPENDENCY);
}
}
unsigned methodIndex = pMethod->GetMemberDef_NoLogging() & 0xFFFFFF;
if (methodIndex <= METHODINDEX_MASK)
{
if (application) // Jitted by application threads, not background thread
{
methodIndex |= JIT_BY_APP_THREAD;
}
RecordJitInfo(moduleIndex, methodIndex);
}
}
}
// 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.GetUnicode(), 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_t * pRoot, const wchar_t * pFile, int suffix, LONG nSession)
{
STANDARD_VM_CONTRACT;
HRESULT hr = S_FALSE;
if ((pRoot == NULL) || (pFile == NULL))
{
return E_INVALIDARG;
}
MulticoreJitTrace(("StartProfile('%S', '%S', %d)", pRoot, pFile, suffix));
size_t lenFile = wcslen(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;
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 = pRoot;
// Append seperator if root does not end with one
unsigned len = m_fullFileName.GetCount();
if ((len != 0) && (m_fullFileName[len - 1] != '\\'))
{
m_fullFileName.Append('\\');
}
m_fullFileName.Append(pFile);
// Suffix for AutoStartProfile, used for multiple appdomain
if (suffix >= 0)
{
m_fullFileName.AppendPrintf(W("_%s_%s_%d.prof"),
SystemDomain::System()->DefaultDomain()->GetFriendlyName(),
m_pDomain->GetFriendlyName(),
suffix);
}
NewHolder<MulticoreJitProfilePlayer> player(new (nothrow) MulticoreJitProfilePlayer(
m_pDomain,
#if defined(FEATURE_CORECLR) && defined(FEATURE_HOSTED_BINDER)
m_pBinderContext,
#else
NULL,
#endif
nSession,
m_fAppxMode));
if (player == NULL)
{
hr = E_OUTOFMEMORY;
}
else
{
HRESULT hr1 = S_OK;
EX_TRY
{
hr1 = player->ProcessProfile(m_fullFileName);
}
EX_CATCH_HRESULT(hr1);
// If ProcessProfile succeeds, the background thread is responsible for deleting it when it finishes; otherwise, delete now
if (SUCCEEDED(hr1))
{
if (g_MulticoreJitDelay > 0)
{
MulticoreJitTrace(("Delay main thread %d ms", g_MulticoreJitDelay));
ClrSleepEx(g_MulticoreJitDelay, FALSE);
}
player.SuppressRelease();
}
MulticoreJitTrace(("ProcessProfile('%S') returns %x", m_fullFileName.GetUnicode(), hr1));
// Ignore error, even when we can't play back the file, we can still record new one
// If file exists, but profile header can't be read, pass error to caller (ignored by caller for non Appx)
if (hr1 == COR_E_BADIMAGEFORMAT)
{
hr = hr1;
}
}
}
MulticoreJitTrace(("StartProfile('%S', '%S', %d) returns %x", pRoot, pFile, suffix, hr));
_FireEtwMulticoreJit(W("STARTPROFILE"), m_fullFileName.GetUnicode(), hr, 0, 0);
return hr;
}
// Module load call back, record new module information, update play-back module list
void MulticoreJitRecorder::RecordModuleLoad(Module * pModule, FileLoadLevel loadLevel)
{
STANDARD_VM_CONTRACT;
if (pModule != NULL)
{
if (! m_fFirstMethod) // If m_fFirstMethod flag is still on, defer calling AddModuleDependency until first method JIT
{
AddModuleDependency(pModule, loadLevel);
}
}
}
// Call back from MethodDesc::MakeJitWorker for
PCODE MulticoreJitRecorder::RequestMethodCode(MethodDesc * pMethod, MulticoreJitManager * pManager)
{
STANDARD_VM_CONTRACT;
// Disable it when profiler is running
#ifdef PROFILING_SUPPORTED
_ASSERTE(! CORProfilerTrackJITInfo());
#endif
_ASSERTE(! pMethod->IsDynamicMethod());
PCODE pCode = NULL;
pCode = pManager->GetMulticoreJitCodeStorage().QueryMethodCode(pMethod);
if ((pCode != NULL) && pManager->IsRecorderActive()) // recorder may be off when player is on (e.g. for Appx)
{
RecordMethodJit(pMethod, false); // JITTed by background thread, returned to application
}
return pCode;
}
//////////////////////////////////////////////////////////
//
// class MulticoreJitManager: attachment to AppDomain
//
//
//////////////////////////////////////////////////////////
// API Function: SettProfileRoot, store information with MulticoreJitManager class
// Threading: protected by InterlockedExchange(m_fMulticoreJITEnabled)
void MulticoreJitManager::SetProfileRoot(AppDomain * pDomain, const wchar_t * pProfilePath)
{
STANDARD_VM_CONTRACT;
#ifdef PROFILING_SUPPORTED
if (CORProfilerTrackJITInfo())
{
return;
}
#endif
if (g_SystemInfo.dwNumberOfProcessors >= 2)
{
if (InterlockedCompareExchange(& m_fSetProfileRootCalled, SETPROFILEROOTCALLED, 0) == 0) // Only allow the first call per appdomain
{
m_profileRoot = pProfilePath;
}
}
}
// API Function: StartProfile
// Threading: protected by m_playerLock
void MulticoreJitManager::StartProfile(AppDomain * pDomain, ICLRPrivBinder *pBinderContext, const wchar_t * pProfile, int suffix)
{
CONTRACTL
{
THROWS;
MODE_PREEMPTIVE;
INJECT_FAULT(COMPlusThrowOM(););
CAN_TAKE_LOCK;
}
CONTRACTL_END;
if (m_fSetProfileRootCalled != SETPROFILEROOTCALLED)
{
MulticoreJitTrace(("StartProfile fail: SetProfileRoot not called/failed"));
_FireEtwMulticoreJit(W("STARTPROFILE"), W("No SetProfileRoot"), 0, 0, 0);
return;
}
// Need extra processor for multicore JIT feature
_ASSERTE(g_SystemInfo.dwNumberOfProcessors >= 2);
#ifdef PROFILING_SUPPORTED
if (CORProfilerTrackJITInfo())
{
MulticoreJitTrace(("StartProfile fail: CORProfilerTrackJITInfo on"));
_FireEtwMulticoreJit(W("STARTPROFILE"), W("Profiling On"), 0, 0, 0);
return;
}
#endif
CrstHolder hold(& m_playerLock);
// Stop current profiling first, delete current m_pMulticoreJitRecorder if any
StopProfile(false);
if ((pProfile != NULL) && (pProfile[0] != 0)) // Ignore empty file name, just same as StopProfile
{
MulticoreJitRecorder * pRecorder = new (nothrow) MulticoreJitRecorder(
pDomain,
#if defined(FEATURE_CORECLR) && defined(FEATURE_HOSTED_BINDER)
pBinderContext,
#else
NULL,
#endif
m_fAppxMode);
if (pRecorder != NULL)
{
m_pMulticoreJitRecorder = pRecorder;
LONG sessionID = m_ProfileSession.Increment();
HRESULT hr = m_pMulticoreJitRecorder->StartProfile(m_profileRoot, pProfile, suffix, sessionID);
MulticoreJitTrace(("MulticoreJitRecorder session %d created: %x", sessionID, hr));
if (m_fAppxMode) // In Appx mode, recorder is only enabled when file exists, but header is bad (e.g. zero-length)
{
if (hr == COR_E_BADIMAGEFORMAT)
{
m_fRecorderActive = true;
}
}
else if ((hr == COR_E_BADIMAGEFORMAT) || SUCCEEDED(hr)) // Otherwise, ignore COR_E_BADIMAGEFORMAT, alway record new profile
{
m_fRecorderActive = true;
}
_FireEtwMulticoreJit(W("STARTPROFILE"), W("Recorder"), m_fRecorderActive, hr, 0);
}
}
}
// Threading: protected by m_playerLock
void MulticoreJitManager::AbortProfile()
{
CONTRACTL
{
NOTHROW;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
if (m_fSetProfileRootCalled != SETPROFILEROOTCALLED)
{
return;
}
CrstHolder hold(& m_playerLock);
if (m_pMulticoreJitRecorder != NULL)
{
MulticoreJitTrace(("AbortProfile"));
_FireEtwMulticoreJit(W("ABORTPROFILE"), W(""), 0, 0, 0);
m_fRecorderActive = false;
m_pMulticoreJitRecorder->AbortProfile();
}
// Disable the feature within the AppDomain
m_fSetProfileRootCalled = -1;
}
// Stop current profiling, could be called automatically from AppDomain shut down
// Threading: protected by m_playerLock
void MulticoreJitManager::StopProfile(bool appDomainShutdown)
{
CONTRACTL
{
NOTHROW;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
if (m_fSetProfileRootCalled != SETPROFILEROOTCALLED)
{
return;
}
MulticoreJitRecorder * pRecorder;
if (appDomainShutdown)
{
// In the app domain shut down code path, need to hold m_playerLock critical section to wait for other thread to finish using recorder
CrstHolder hold(& m_playerLock);
pRecorder = InterlockedExchangeT(& m_pMulticoreJitRecorder, NULL);
}
else
{
// When called from StartProfile, should not take critical section because it's already entered
pRecorder = InterlockedExchangeT(& m_pMulticoreJitRecorder, NULL);
}
if (pRecorder != NULL)
{
m_fRecorderActive = false;
EX_TRY
{
pRecorder->StopProfile(appDomainShutdown);
}
EX_CATCH
{
MulticoreJitTrace(("StopProfile(%d) throws exception", appDomainShutdown));
}
EX_END_CATCH(SwallowAllExceptions);
delete pRecorder;
}
MulticoreJitTrace(("StopProfile(%d) returns", appDomainShutdown));
}
LONG g_nMulticoreAutoStart = 0;
// Threading: calls into StartProfile
void MulticoreJitManager::AutoStartProfile(AppDomain * pDomain)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_PREEMPTIVE;
INJECT_FAULT(COMPlusThrowOM(););
}
CONTRACTL_END;
CLRConfigStringHolder wszProfile(CLRConfig::GetConfigValue(CLRConfig::INTERNAL_MultiCoreJitProfile));
if ((wszProfile != NULL) && (wszProfile[0] != 0))
{
int suffix = (int) InterlockedIncrement(& g_nMulticoreAutoStart);
SetProfileRoot(pDomain, W("")); // Fake a SetProfileRoot call
StartProfile(
pDomain,
NULL,
wszProfile,
suffix);
}
}
#if defined(FEATURE_APPX_BINDER)
// Called from CorHost2::ExecuteMain
void MulticoreJitManager::AutoStartProfileAppx(AppDomain * pDomain)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_PREEMPTIVE;
INJECT_FAULT(COMPlusThrowOM(););
}
CONTRACTL_END;
if (InterlockedCompareExchange(& m_fAutoStartCalled, SETPROFILEROOTCALLED, 0) == 0) // Only allow the first call
{
WCHAR wzFilePath[_MAX_PATH];
UINT32 cchFilePath = NumItems(wzFilePath);
SString profileName;
// Try to find ProcessName_AppId.Profile
AppendAppxProfileName(profileName);
// Search for Application.Profile within the package
HRESULT hr = AppX::FindFileInCurrentPackage(profileName, &cchFilePath, wzFilePath);
if (SUCCEEDED(hr))
{
m_fAppxMode = true;
SetProfileRoot(pDomain, W("")); // Fake a SetProfileRoot call
StartProfile(pDomain, NULL, wzFilePath);
}
else
{
_FireEtwMulticoreJit(W("AUTOSTARTPROFILEAPPX"), profileName, hr, 0, 0);
}
}
}
#endif
// Constructor
MulticoreJitManager::MulticoreJitManager()
{
CONTRACTL
{
THROWS;
}
CONTRACTL_END;
m_pMulticoreJitRecorder = NULL;
m_fSetProfileRootCalled = 0;
m_fAutoStartCalled = 0;
m_fRecorderActive = false;
m_fAppxMode = false;
m_playerLock.Init(CrstMulticoreJitManager, (CrstFlags)(CRST_TAKEN_DURING_SHUTDOWN));
m_MulticoreJitCodeStorage.Init();
}
// Threading: uses Release to free object
MulticoreJitManager::~MulticoreJitManager()
{
LIMITED_METHOD_CONTRACT;
if (m_pMulticoreJitRecorder != NULL)
{
delete m_pMulticoreJitRecorder;
m_pMulticoreJitRecorder = NULL;
}
m_playerLock.Destroy();
}
// Threading: proected by m_playerLock
void MulticoreJitManager::RecordModuleLoad(Module * pModule, FileLoadLevel loadLevel)
{
STANDARD_VM_CONTRACT;
#if defined(FEATURE_APPX_BINDER) && !defined(FEATURE_CORECLR)
// When running under Appx, allow framework assembly / first party winmd to load
// load-level change not allowed in the background thread, unless for resource DLL (loaded for exception throwing), but this could still happen.
_ASSERTE(! GetThread()->HasThreadStateNC(Thread::TSNC_CallingManagedCodeDisabled) || ModuleHasNoCode(pModule)
|| m_fAppxMode && IsLoadOkay(pModule));
#elif !defined(FEATURE_CORECLR)
_ASSERTE(! GetThread()->HasThreadStateNC(Thread::TSNC_CallingManagedCodeDisabled) || ModuleHasNoCode(pModule));
#endif
if (m_fRecorderActive)
{
if(IsSupportedModule(pModule, false, m_fAppxMode)) // Filter out unsupported module
{
CrstHolder hold(& m_playerLock);
if (m_pMulticoreJitRecorder != NULL)
{
m_pMulticoreJitRecorder->RecordModuleLoad(pModule, loadLevel);
}
}
else
{
_FireEtwMulticoreJitA(W("UNSUPPORTEDMODULE"), pModule->GetSimpleName(), 0, 0, 0);
}
}
}
// Call back from MethodDesc::MakeJitWorker for
// Threading: proected by m_playerLock
PCODE MulticoreJitManager::RequestMethodCode(MethodDesc * pMethod)
{
STANDARD_VM_CONTRACT;
CrstHolder hold(& m_playerLock);
if (m_pMulticoreJitRecorder != NULL)
{
PCODE requestedCode = m_pMulticoreJitRecorder->RequestMethodCode(pMethod, this);
if(requestedCode)
{
_FireEtwMulticoreJitMethodCodeReturned(pMethod);
}
return requestedCode;
}
return NULL;
}
// Call back from MethodDesc::MakeJitWorker for
// Threading: proected by m_playerLock
void MulticoreJitManager::RecordMethodJit(MethodDesc * pMethod)
{
STANDARD_VM_CONTRACT;
CrstHolder hold(& m_playerLock);
if (m_pMulticoreJitRecorder != NULL)
{
m_pMulticoreJitRecorder->RecordMethodJit(pMethod, true);
if (m_pMulticoreJitRecorder->IsAtFullCapacity())
{
m_fRecorderActive = false;
}
}
}
// static
bool MulticoreJitManager::IsMethodSupported(MethodDesc * pMethod)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
return pMethod->HasILHeader() &&
pMethod->IsTypicalSharedInstantiation() &&
! pMethod->IsDynamicMethod();
}
// static
// Stop all multicore Jitting profile, called from EEShutDown
void MulticoreJitManager::StopProfileAll()
{
CONTRACTL
{
NOTHROW;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
_ASSERTE(!AppX::IsAppXProcess());
AppDomainIterator domain(TRUE);
while (domain.Next())
{
AppDomain * pDomain = domain.GetDomain();
if (pDomain != NULL)
{
pDomain->GetMulticoreJitManager().StopProfile(true);
}
}
}
// static
// Stop all multicore Jitting in the current process, called from ProfilingAPIUtility::LoadProfiler
void MulticoreJitManager::DisableMulticoreJit()
{
CONTRACTL
{
NOTHROW;
CAN_TAKE_LOCK;
}
CONTRACTL_END;
#ifdef PROFILING_SUPPORTED
AppDomainIterator domain(TRUE);
while (domain.Next())
{
AppDomain * pDomain = domain.GetDomain();
if (pDomain != NULL)
{
pDomain->GetMulticoreJitManager().AbortProfile();
}
}
#endif
}
//---------------------------------------------------------------------------------------
//
// MultiCore JIT
//
// Arguments:
// wszProfile - profile name
// ptrNativeAssemblyLoadContext - the binding context
//
void QCALLTYPE MultiCoreJITNative::InternalStartProfile(__in_z LPCWSTR wszProfile, INT_PTR ptrNativeAssemblyLoadContext)
{
QCALL_CONTRACT;
BEGIN_QCALL;
AppDomain * pDomain = GetAppDomain();
ICLRPrivBinder *pBinderContext = reinterpret_cast<ICLRPrivBinder *>(ptrNativeAssemblyLoadContext);
pDomain->GetMulticoreJitManager().StartProfile(
pDomain,
pBinderContext,
wszProfile);
END_QCALL;
}
void QCALLTYPE MultiCoreJITNative::InternalSetProfileRoot(__in_z LPCWSTR wszProfilePath)
{
QCALL_CONTRACT;
BEGIN_QCALL;
AppDomain * pDomain = GetAppDomain();
pDomain->GetMulticoreJitManager().SetProfileRoot(pDomain, wszProfilePath);
END_QCALL;
}
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