Delete dead code (dotnet#24876)

src/inc/clrconfigvalues.h

@@ -538,11 +538,6 @@ CONFIG_DWORD_INFO(INTERNAL_NoASLRForNgen, W("NoASLRForNgen"), 0, "Turn off IMAGE
 RETAIL_CONFIG_DWORD_INFO(INTERNAL_CrossGenAssumeInputSigned, W("CrossGenAssumeInputSigned"), 1, "CrossGen should assume that its input assemblies will be signed before deployment")
 #endif
 
-///
-/// Performance
-///
-RETAIL_CONFIG_STRING_INFO(EXTERNAL_PerformanceScenario, W("performanceScenario"), "Activates a set of workload-specific default values for performance settings")
-
 ///
 /// Profiling API / ETW
 ///
@@ -557,23 +552,17 @@ RETAIL_CONFIG_STRING_INFO_EX(EXTERNAL_CORECLR_PROFILER_PATH, W("CORECLR_PROFILER
 RETAIL_CONFIG_STRING_INFO_EX(EXTERNAL_CORECLR_PROFILER_PATH_32, W("CORECLR_PROFILER_PATH_32"), "CoreCLR only: Specifies the path to the DLL of profiler to load into currently running 32 process", CLRConfig::DontPrependCOMPlus_)
 RETAIL_CONFIG_STRING_INFO_EX(EXTERNAL_CORECLR_PROFILER_PATH_64, W("CORECLR_PROFILER_PATH_64"), "CoreCLR only: Specifies the path to the DLL of profiler to load into currently running 64 process", CLRConfig::DontPrependCOMPlus_)
 RETAIL_CONFIG_STRING_INFO_EX(EXTERNAL_ProfAPI_ProfilerCompatibilitySetting, W("ProfAPI_ProfilerCompatibilitySetting"), "Specifies the profiler loading policy (the default is not to load a V2 profiler in V4)", CLRConfig::REGUTIL_default | CLRConfig::TrimWhiteSpaceFromStringValue)
-RETAIL_CONFIG_DWORD_INFO_DIRECT_ACCESS(EXTERNAL_AttachThreadAlwaysOn, W("AttachThreadAlwaysOn"), "Forces profapi attach thread to be created on startup, instead of on-demand.")
-RETAIL_CONFIG_DWORD_INFO(EXTERNAL_MsBetweenAttachCheck, W("MsBetweenAttachCheck"), 500, "")
-RETAIL_CONFIG_DWORD_INFO(EXTERNAL_ProfAPIMaxWaitForTriggerMs, W("ProfAPIMaxWaitForTriggerMs"), 5*60*1000, "Timeout in ms for profilee to wait for each blocking operation performed by trigger app.")
 RETAIL_CONFIG_DWORD_INFO(EXTERNAL_ProfAPI_DetachMinSleepMs, W("ProfAPI_DetachMinSleepMs"), 0, "The minimum time, in milliseconds, the CLR will wait before checking whether a profiler that is in the process of detaching is ready to be unloaded.")
 RETAIL_CONFIG_DWORD_INFO(EXTERNAL_ProfAPI_DetachMaxSleepMs, W("ProfAPI_DetachMaxSleepMs"), 0, "The maximum time, in milliseconds, the CLR will wait before checking whether a profiler that is in the process of detaching is ready to be unloaded.")
 RETAIL_CONFIG_DWORD_INFO(EXTERNAL_ProfAPI_RejitOnAttach, W("ProfApi_RejitOnAttach"), 1, "Enables the ability for profilers to rejit methods on attach.")
 RETAIL_CONFIG_DWORD_INFO(EXTERNAL_ProfAPI_InliningTracking, W("ProfApi_InliningTracking"), 1, "Enables the runtime's tracking of inlining for profiler ReJIT.")
 CONFIG_DWORD_INFO(INTERNAL_ProfAPI_EnableRejitDiagnostics, W("ProfAPI_EnableRejitDiagnostics"), 0, "Enable extra dumping to stdout of rejit structures")
-RETAIL_CONFIG_DWORD_INFO(EXTERNAL_ProfAPI_AttachProfilerMinTimeoutInMs, W("ProfAPI_AttachProfilerMinTimeoutInMs"), 10*1000, "Timeout in ms for the minimum time out value of AttachProfiler")
 CONFIG_DWORD_INFO(INTERNAL_ProfAPIFault, W("ProfAPIFault"), 0, "Test-only bitmask to inject various types of faults in the profapi code")
 CONFIG_DWORD_INFO(INTERNAL_TestOnlyAllowedEventMask, W("TestOnlyAllowedEventMask"), 0, "Test-only bitmask to allow profiler tests to override CLR enforcement of COR_PRF_ALLOWABLE_AFTER_ATTACH and COR_PRF_MONITOR_IMMUTABLE")
 CONFIG_DWORD_INFO(INTERNAL_TestOnlyEnableICorProfilerInfo, W("ProfAPI_TestOnlyEnableICorProfilerInfo"), 0, "Test-only flag to allow attaching profiler tests to call ICorProfilerInfo interface, which would otherwise be disallowed for attaching profilers")
 CONFIG_DWORD_INFO(INTERNAL_TestOnlyEnableObjectAllocatedHook, W("TestOnlyEnableObjectAllocatedHook"), 0, "Test-only flag that forces CLR to initialize on startup as if ObjectAllocated callback were requested, to enable post-attach ObjectAllocated functionality.")
 CONFIG_DWORD_INFO(INTERNAL_TestOnlyEnableSlowELTHooks, W("TestOnlyEnableSlowELTHooks"), 0, "Test-only flag that forces CLR to initialize on startup as if slow-ELT were requested, to enable post-attach ELT functionality.")
 
-RETAIL_CONFIG_DWORD_INFO_EX(EXTERNAL_PreVistaETWEnabled, W("ETWEnabled"), 0, "This flag is used on OSes < Vista to enable/disable ETW. It is disabled by default", CLRConfig::REGUTIL_default)
-RETAIL_CONFIG_DWORD_INFO_EX(EXTERNAL_VistaAndAboveETWEnabled, W("ETWEnabled"), 1, "This flag is used on OSes >= Vista to enable/disable ETW. It is enabled by default", CLRConfig::REGUTIL_default)
 RETAIL_CONFIG_STRING_INFO_EX(UNSUPPORTED_ETW_ObjectAllocationEventsPerTypePerSec, W("ETW_ObjectAllocationEventsPerTypePerSec"), "Desired number of GCSampledObjectAllocation ETW events to be logged per type per second.  If 0, then the default built in to the implementation for the enabled event (e.g., High, Low), will be used.", CLRConfig::REGUTIL_default)
 RETAIL_CONFIG_DWORD_INFO(UNSUPPORTED_ProfAPI_ValidateNGENInstrumentation, W("ProfAPI_ValidateNGENInstrumentation"), 0, "This flag enables additional validations when using the IMetaDataEmit APIs for NGEN'ed images to ensure only supported edits are made.")
 

src/vm/gcenv.ee.cpp

@@ -409,46 +409,6 @@ Thread* GCToEEInterface::GetThread()
     return ::GetThread();
 }
 
-struct BackgroundThreadStubArgs
-{
-    Thread* thread;
-    GCBackgroundThreadFunction threadStart;
-    void* arg;
-    CLREvent threadStartedEvent;
-    bool hasStarted;
-};
-
-DWORD WINAPI BackgroundThreadStub(void* arg)
-{
-    BackgroundThreadStubArgs* stubArgs = (BackgroundThreadStubArgs*)arg;
-    assert (stubArgs->thread != NULL);
-
-    ClrFlsSetThreadType (ThreadType_GC);
-    stubArgs->thread->SetGCSpecial(true);
-    STRESS_LOG_RESERVE_MEM (GC_STRESSLOG_MULTIPLY);
-
-    stubArgs->hasStarted = !!stubArgs->thread->HasStarted(FALSE);
-
-    Thread* thread = stubArgs->thread;
-    GCBackgroundThreadFunction realThreadStart = stubArgs->threadStart;
-    void* realThreadArg = stubArgs->arg;
-    bool hasStarted = stubArgs->hasStarted;
-
-    stubArgs->threadStartedEvent.Set();
-    // The stubArgs cannot be used once the event is set, since that releases wait on the
-    // event in the function that created this thread and the stubArgs go out of scope.
-
-    DWORD result = 0;
-
-    if (hasStarted)
-    {
-        result = realThreadStart(realThreadArg);
-        DestroyThread(thread);
-    }
-
-    return result;
-}
-
 //
 // Diagnostics code
 //