Windows 8 DLL File Information - diagperf.dll

The following DLL report was generated by automatic DLL script that scanned and loaded all DLL files in the system32 directory of Windows 8, extracted the information from them, and then saved it into HTML reports. If you want to view a report of another DLL, go to the main page of this Web site.

General Information

File Description:	Microsoft Performance Diagnostics
File Version:	6.2.9200.16384 (win8_rtm.120725-1247)
Company:	Microsoft Corporation
Product Name:	Microsoft® Windows® Operating System
DLL popularity	Very Low - There is no any other DLL in system32 directory that is statically linked to this file.
File Size:	1,047 KB
Total Number of Exported Functions:	7
Total Number of Exported Functions With Names:	7

Section Headers

Name	Virtual Address	Raw Data Size	% of File	Characteristics	Section Contains...
.text	0x00001000	950,272 Bytes	88.6%	Read, Execute	Code
.data	0x000e9000	8,704 Bytes	0.8%	Write, Read	Initialized Data
.idata	0x000ec000	6,144 Bytes	0.6%	Read	Initialized Data
.rsrc	0x000ee000	70,144 Bytes	6.5%	Read	Initialized Data
.reloc	0x00100000	35,840 Bytes	3.3%	Read, Discardable	Initialized Data

Static Linking

diagperf.dll is statically linked to the following files:

msvcrt.dll
ntdll.dll
api-ms-win-core-datetime-l1-1-1.dll
api-ms-win-core-debug-l1-1-1.dll
api-ms-win-core-errorhandling-l1-1-1.dll
api-ms-win-core-file-l1-2-0.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-core-interlocked-l1-2-0.dll
api-ms-win-core-libraryloader-l1-1-1.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-1.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-string-l1-1-0.dll
api-ms-win-core-synch-l1-2-0.dll
api-ms-win-core-sysinfo-l1-2-0.dll
api-ms-win-security-base-l1-2-0.dll
api-ms-win-security-sddl-l1-1-0.dll
KERNEL32.dll
RPCRT4.dll

This means that when diagperf.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, diagperf.dll won't be loaded.

General Resources Information

Resource Type	Number of Items	Total Size	% of File
Icons	1	1,404 Bytes	0.1%
Animated Icons	0	0 Bytes	0.0%
Cursors	0	0 Bytes	0.0%
Animated Cursors	0	0 Bytes	0.0%
Bitmaps	1	5,512 Bytes	0.5%
AVI Files	0	0 Bytes	0.0%
Dialog-Boxes	0	0 Bytes	0.0%
HTML Related Files	0	0 Bytes	0.0%
Menus	0	0 Bytes	0.0%
Strings	58	5,554 Bytes	0.5%
Type Libraries	0	0 Bytes	0.0%
Manifest	1	771 Bytes	0.1%
All Others	5	85,753 Bytes	8.0%
Total	66	98,994 Bytes	9.2%

Icons in this file

There are 1 icons stored in this DLL file. You can view all these icons in the following small thumbnail:

Cursors in this file

No cursors found in this file

Dialog-boxes list (up to 200 dialogs)

No dialog resources in this file.

String resources in this dll (up to 200 strings)

String ID	String Text
101	Performance Information and Tools
104	View details in the event log
109	Help
114	These startup programs are causing Windows to start slowly
115	These drivers are causing Windows to start slowly
116	These programs are causing Windows to stand by or hibernate slowly
117	These drivers are causing Windows to stand by or hibernate slowly
118	These programs are causing Windows to shut down slowly
121	These drivers are causing Windows to resume slowly
122	mshelp://Windows/?id=864b03b0-1f2e-42ce-b155-c9b280ea3385
123	mshelp://Windows/?id=292c90ca-6ee9-41e2-b9bd-626377836626
125	mshelp://Windows/?id=864b03b0-1f2e-42ce-b155-c9b280ea3385
127	mshelp://Windows/?id=292c90ca-6ee9-41e2-b9bd-626377836626
128	mshelp://Windows/?id=864b03b0-1f2e-42ce-b155-c9b280ea3385
129	mshelp://Windows/?id=292c90ca-6ee9-41e2-b9bd-626377836626
131	mshelp://Windows/?id=132c1dab-6da1-47cf-96af-8f00eceaf6f5
132	Adjust visual settings to improve performance
134	Startup programs are causing Windows to start slowly. View details.
135	Drivers are causing Windows to start slowly. View details.
136	Programs are causing Windows to shut down slowly. View details.
137	Programs are interfering with Windows entering sleep mode. View details.
138	Drivers are interfering with Windows entering sleep mode. View details.
139	Drivers are interfering with Windows resuming from sleep mode. View details.
140	Performance can be improved by changing visual settings. View details.
141	Windows Boot
142	Windows Shutdown
143	Windows Suspend/Resume
145	Video Memory
147	Windows Shell Responsiveness
148	Slow Performance
149	Slow Performance
151	Slow Performance
152	Slow Performance
154	Slow Performance
170	The current visual settings might not result in the best computer performance. To improve performance, you can try closing some windows or lowering the screen resolution.
171	Remove from list
172	Problem details
173	seconds
174	Consider not starting the application automatically while Windows starts. For more information, click on Help
175	If you no longer use the device, consider uninstalling it. For more information, click on Help
176	Try closing the program after you are finished using it. For more information, click on Help
177	If you no longer use the device, consider uninstalling it. For more information, click on Help
178	Try closing the program after you are finished using it. For more information, click on Help
179	If you no longer use the device, consider uninstalling it. For more information, click on Help
180	Name:
181	Filename:
182	Publisher:
183	Device:
184	Date reported:
185	Time taken:
186	Unknown
401	Performance Problems
2000	Boot performance degradation
2001	Shell responsiveness performance degradation
2002	Standby performance degradation
2003	Windows has detected a slowdown in the startup process
2004	Windows has detected a slowdown in the responsiveness of the system
2005	Windows has detected a slowdown in the standby process

COM Classes/Interfaces

There is no type library in this file with COM classes/interfaces information

Exported Functions List

The following functions are exported by this dll:

DllCanUnloadNow	DllGetClassObject	DllRegisterServer
DllUnregisterServer	WdiDiagnosticModuleMain	WdiGetDiagnosticModuleInterfaceVersion
WdiHandleInstance

Imported Functions List

The following functions are imported by this dll:

• msvcrt.dll:
  

  _CIsqrt

  _CxxThrowException

  _XcptFilter

  __CxxFrameHandler

  __dllonexit

  _amsg_exit

  _callnewh

  _except_handler4_common

  _ftol2

  _ftol2_sse

  _i64tow

  _initterm

  _iob

  _itow_s

  _localtime64_s

  _lock

  _mktime64

  _onexit

  _purecall

  _unlock

  _vscwprintf

  _vsnwprintf

  _wcsdup

  _wcsicmp

  _wcslwr

  _wcslwr_s

  _wcsnicmp

  calloc

  div

  fprintf

  free

  fwprintf

  malloc

  memcmp

  memcpy

  memcpy_s

  memmove

  memmove_s

  memset

  public: __thiscall exception::exception(char const * const &)

  public: __thiscall exception::exception(class exception const &)

  public: __thiscall exception::exception(void)

  public: virtual __thiscall exception::~exception(void)

  public: virtual __thiscall type_info::~type_info(void)

  public: virtual char const * __thiscall exception::what(void)const

  realloc

  void __cdecl terminate(void)

  vswprintf_s

  wcschr

  wcscspn

  wcsncmp

  wcsrchr

  wcsspn

  wcsstr

  wcstok_s

• ntdll.dll:
  

  EtwEventActivityIdControl	EtwEventEnabled	EtwEventRegister	EtwEventUnregister
  EtwEventWrite	EtwEventWriteEndScenario	EtwEventWriteStartScenario	NtQuerySystemInformation
  WinSqmAddToStream	WinSqmEndSession	WinSqmIncrementDWORD	WinSqmIsOptedIn
  WinSqmSetDWORD	WinSqmSetIfMaxDWORD	WinSqmSetIfMinDWORD	WinSqmSetString
  WinSqmStartSession

• api-ms-win-core-datetime-l1-1-1.dll:
  

  KernelBase!GetDateFormatW

  KernelBase!GetTimeFormatW

• api-ms-win-core-debug-l1-1-1.dll:
  

  KernelBase!OutputDebugStringA

• api-ms-win-core-errorhandling-l1-1-1.dll:
  

  KernelBase!GetLastError	KernelBase!RaiseException	KernelBase!SetUnhandledExceptionFilter
  KernelBase!UnhandledExceptionFilter	ntdll!RtlRestoreLastWin32Error

• api-ms-win-core-file-l1-2-0.dll:
  

  KernelBase!CompareFileTime	KernelBase!CreateFileW	KernelBase!FileTimeToLocalFileTime
  KernelBase!GetFileAttributesW	KernelBase!GetFileSize	KernelBase!LockFileEx
  KernelBase!ReadFile	KernelBase!SetEndOfFile	KernelBase!SetFilePointer
  KernelBase!UnlockFile	KernelBase!WriteFile

• api-ms-win-core-handle-l1-1-0.dll:
  

  KernelBase!CloseHandle

• api-ms-win-core-heap-l1-2-0.dll:
  

  KernelBase!GetProcessHeap	KernelBase!HeapDestroy	ntdll!RtlAllocateHeap	ntdll!RtlFreeHeap
  ntdll!RtlReAllocateHeap	ntdll!RtlSizeHeap

• api-ms-win-core-interlocked-l1-2-0.dll:
  

  KernelBase!InterlockedCompareExchange	KernelBase!InterlockedDecrement	KernelBase!InterlockedExchange
  KernelBase!InterlockedIncrement

• api-ms-win-core-libraryloader-l1-1-1.dll:
  

  KernelBase!FindResourceExW	KernelBase!FreeLibrary	KernelBase!GetModuleFileNameW	KernelBase!GetModuleHandleA
  KernelBase!GetModuleHandleExW	KernelBase!GetModuleHandleW	KernelBase!GetProcAddress	KernelBase!LoadResource
  KernelBase!LockResource	KernelBase!SizeofResource

• api-ms-win-core-registry-l1-1-0.dll:
  

  KernelBase!RegCloseKey	KernelBase!RegCreateKeyExW	KernelBase!RegOpenKeyExW	KernelBase!RegQueryValueExW
  KernelBase!RegSetValueExW

• api-ms-win-core-processthreads-l1-1-1.dll:
  

  kernel32!CreateThread	kernel32!GetCurrentProcess	kernel32!GetCurrentProcessId	kernel32!GetCurrentThread
  kernel32!GetCurrentThreadId	kernel32!GetThreadPriority	kernel32!SetThreadPriority	kernel32!TerminateProcess
  kernel32!TlsAlloc	kernel32!TlsFree	kernel32!TlsGetValue	kernel32!TlsSetValue

• api-ms-win-core-profile-l1-1-0.dll:
  

  ntdll!RtlQueryPerformanceCounter

• api-ms-win-core-string-l1-1-0.dll:
  

  KernelBase!MultiByteToWideChar

• api-ms-win-core-synch-l1-2-0.dll:
  

  KernelBase!CreateEventW	KernelBase!SetEvent	KernelBase!Sleep
  KernelBase!WaitForSingleObject	ntdll!RtlDeleteCriticalSection	ntdll!RtlEnterCriticalSection
  ntdll!RtlInitializeCriticalSection	ntdll!RtlLeaveCriticalSection

• api-ms-win-core-sysinfo-l1-2-0.dll:
  

  KernelBase!GetSystemDirectoryW	KernelBase!GetSystemTimeAsFileTime	KernelBase!GetSystemWindowsDirectoryW
  KernelBase!GetTickCount	KernelBase!GetVersion

• api-ms-win-security-base-l1-2-0.dll:
  

  KernelBase!AddAccessAllowedAceEx	KernelBase!AllocateAndInitializeSid	KernelBase!CopySid
  KernelBase!FreeSid	KernelBase!GetLengthSid	KernelBase!InitializeAcl
  KernelBase!IsValidSid

• api-ms-win-security-sddl-l1-1-0.dll:
  

  sechost!ConvertSidToStringSidW

  sechost!ConvertStringSecurityDescriptorToSecurityDescriptorW

• KERNEL32.dll:
  

  CreateDirectoryW	CreateTimerQueue	CreateTimerQueueTimer
  DelayLoadFailureHook	DeleteFileW	DeleteTimerQueueEx
  DeleteTimerQueueTimer	ExpandEnvironmentStringsW	FileTimeToSystemTime
  FindFirstVolumeW	FindNextVolumeW	FindVolumeClose
  GetFileAttributesExW	GetSystemInfo	GetVolumePathNamesForVolumeNameW
  GlobalMemoryStatusEx	LoadLibraryA	LoadLibraryW
  LocalFree	QueryDosDeviceW	WaitForMultipleObjects
  ntdll!LdrResolveDelayLoadedAPI

• RPCRT4.dll:
  

  NdrClientCall2	RpcBindingFree	RpcBindingFromStringBindingW	RpcBindingSetAuthInfoExW
  RpcServerInqDefaultPrincNameW	RpcStringBindingComposeW	RpcStringFreeW