Visible to Intel only — GUID: GUID-99D2E9B6-D36D-41C0-8329-2FE504670B7E
Prepare Application for Analysis
Windows* Targets
Linux* Targets
Embedded Linux* Targets
FreeBSD* Targets
QNX* Targets
Managed Code Targets
Android* Targets
Intel® Xeon Phi™ Processor Targets
Targets in Virtualized Environments
Targets in a Cloud Environment
Arbitrary Targets
Embedded System Targets
Build and Install the Sampling Drivers for Linux* Targets
Debug Information for Linux* Application Binaries
Compiler Switches for Performance Analysis on Linux* Targets
Enable Linux* Kernel Analysis
Resolution of Symbol Names for Linux-Loadable Kernel Modules
Analyze Statically Linked Binaries on Linux* Targets
Set Up Remote Linux* Target
User-Mode Sampling and Tracing Collection
Hardware Event-based Sampling Collection
Performance Snapshot
Algorithm Group
Microarchitecture Analysis Group
Parallelism Analysis Group
Input and Output Analysis
Accelerators Analysis Group
Platform Analysis Group
Platform Analysis
Hybrid CPU Analysis
Source Code Analysis
Custom Analysis
Energy Analysis
Code Profiling Scenarios
Control Data Collection
Manage Data Views
Manage Result Files
Switch Viewpoints
Control Window Synchronization
View Stacks
Manage Grid Views
Manage Timeline View
Change Threshold Values
Choose Data Format
Group and Filter Data
View Data on Inline Functions
Analyze Loops
Stitch Stacks for Intel® oneAPI Threading Building Blocks or OpenMP* Analysis
Search for Data
performance-snapshot Command Line Analysis
hotspots Command Line Analysis
anomaly-detection Command Line Analysis
threading Command Line Analysis
memory-consumption Command Line Analysis
hpc-performance Command Line Analysis
uarch-exploration Command Line Analysis
memory-access Command Line Analysis
tsx-exploration Command Line Analysis
tsx-hotspots Command Line Analysis
sgx-hotspots Command Line Analysis
gpu-hotspots Command Line Analysis
gpu-offload Command Line Analysis
npu
graphics-rendering Command Line Analysis
fpga-interaction Command Line Analysis
io Command Line Analysis
system-overview Command Line Analysis
runsa/runss Custom Command Line Analysis
Configure Analysis Options from Command Line
Collect System-Wide Data from Command Line
Collect Data on Remote Linux* Systems from Command Line
Configure GPU Analysis from Command Line
Specify Search Directories from Command Line
Specify Result Directory from Command Line
Pause Collection from Command Line
Manage Analysis Duration from Command Line
Limit Data Collection from Command Line
Option Descriptions and General Rules
allow-multiple-runs
analyze-kvm-guest
analyze-system
app-working-dir
archive
call-stack-mode
collect
collect-with
column
command
cpu-mask
csv-delimiter
cumulative-threshold-percent
custom-collector
data-limit
discard-raw-data
duration
filter
finalization-mode
finalize
format
group-by
help
import
inline-mode
knob
kvm-guest-kallsyms
kvm-guest-modules
limit
loop-mode
mrte-mode
no-follow-child
no-summary
no-unplugged-mode
quiet
report
report-knob
report-output
report-width
result-dir
resume-after
return-app-exitcode
ring-buffer
search-dir
show-as
sort-asc
sort-desc
source-object
source-search-dir
stack-size
start-paused
strategy
target-install-dir
target-system
target-tmp-dir
target-duration-type
target-pid
target-process
time-filter
trace-mpi
user-data-dir
verbose
version
Best Practices: Resolve Intel® VTune™ Profiler BSODs, Crashes, and Hangs in Windows* OS
Error Message: Application Sets Its Own Handler for Signal
Error Message: Cannot Enable Event-Based Sampling Collection
Error Message: Cannot Collect GPU Hardware Metrics
Error Message: Cannot Load Data File
Error Message: Cannot Locate Debugging Information
Error Message: Cannot Open Data
Error Message: Client Is Not Authorized to Connect to Server
Error Message: Root Privileges Required for Processor Graphics Events
Error Message: No Pre-built Driver Exists for This System
Error Message: Not All OpenCL™ API Profiling Callbacks Are Received
Error Message: Problem Accessing the Sampling Driver
Error Message: Required Key Not Available
Error Message: Scope of ptrace System Call Is Limited
Error Message: Stack Size Is Too Small
Error Message: Symbol File Is Not Found
Problem: Analysis of the .NET* Application Fails
Problem: Cannot Access VTune Profiler Documentation
Problem: CPU time for Hotspots or Threading Analysis is Too Low
Problem: 'Events= Sample After Value (SAV) * Samples' Is Not True If Multiple Runs Are Disabled
Problem: Guessed Stack Frames
Problem: GUI Hangs or Crashes
Problem: Inaccurate Sum in the Grid
Problem: Information Collected via ITT API Is Not Available When Attaching to a Process
Problem: No GPU Utilization Data Is Collected
Problem: Same Functions Are Compared As Different Instances
Problem: Skipped Stack Frames
Problem: Stack in the Top-Down Tree Window Is Incorrect
Problem: Stacks in Call Stack and Bottom-Up Panes Are Different
Problem: System Functions Appear in the User Functions Only Mode
Problem: Intel® VTune™ Profiler is Slow to Respond When Collecting or Displaying Data
Problem: Intel® VTune™ Profiler is Slow on X-Servers with SSH Connection
Problem: Unexpected Paused Time
Problem: {Unknown Timer} in the Platform Power Analysis Viewpoint
Problem: Unknown Critical Error Due to Disabled Loopback Interface
Problem: Unknown Frames
Problem: Unsupported Microsoft* Windows* OS
Warnings about Accurate CPU Time Collection
Context Menu: Grid
Context Menus: Call Stack Pane
Context Menus: Project Navigator
Context Menus: Source/Assembly Window
Dialog Box: Binary/Symbol Search
Dialog Box: Source Search
Hot Keys
Menu: Customize Grouping
Menu: Intel VTune Profiler
Pane: Call Stack
Pane: Options - General
Pane: Options - Result Location
Pane: Options - Source/Assembly
Project Navigator
Pane: Timeline
Toolbar: Configure Analysis
Toolbar: Filter
Toolbar: Source/Assembly
Toolbar: Intel VTune Profiler
Window: Bandwidth - Platform Power Analysis
Window: Bottom-up
Window: Caller/Callee
Window: Cannot Find <file type> File
Window: Collection Log
Window: Compare Results
Window: Configure Analysis
Window: Core Wake-ups - Platform Power Analysis
Window: Correlate Metrics - Platform Power Analysis
Window: CPU C/P States - Platform Power Analysis
Window: Debug
Window: Event Count - Hardware Events
Window: Flame Graph
Window: Graphics - GPU Compute/Media Hotspots
Window: Graphics C/P States - Platform Power Analysis
Window: NC Device States - Platform Power Analysis
Window: Platform
Window: Platform Power Analysis
Window: Sample Count - Hardware Events
Window: SC Device States - Platform Power Analysis
Window: Summary
Window: System Sleep States - Platform Power Analysis
Window: Temperature/Thermal Sample - Platform Power Analysis
Window: Timer Resolution - Platform Power Analysis
Window: Top-down Tree
Window: Uncore Event Count - Hardware Events
Window: Wakelocks - Platform Power Analysis
Window: Summary - Input and Output Summary
Window: Summary - Microarchitecture Exploration
Window: Summary - GPU Analysis
Window: Summary - Hardware Events
Window: Summary - Hotspots by CPU Utilization
Window: Summary - HPC Performance Characterization
Window: Summary - Memory Consumption
Window: Summary - Memory Usage
Window: Summary - Platform Power Analysis
ALU0 Active
ALU0 Instructions
ALU1 Active
ALU1 Instructions
ALU2 Active
ALU2 Instructions
ALU0 and ALU1 Active
ALU0 and ALU2 Active
Average Time
Computing Threads Started
Computing Threads Started, Threads/sec
CPU Time
EU 2 FPU Pipelines Active
EU Array Active
EU Array Idle
EU Array Stalled/Idle
EU Array Stalled
EU IPC Rate
EU Send pipeline active
EU Threads Occupancy
Host to GPU Memory Read Bandwidth
Host-to-GPU Memory Write Bandwidth
Global
GPU EU Array Usage
GPU L3 Bound
GPU L3 Miss Ratio
GPU L3 Misses
GPU L3 Misses, Misses/sec
GPU Memory Read Bandwidth, GB/sec
GPU Memory Texture Read Bandwidth, GB/sec
GPU Memory Write Bandwidth, GB/sec
GPU Texel Quads Count, Count/sec
GPU Utilization
Instance Count
L3 Read Bandwidth
L3 Write Bandwidth
L3 Sampler Bandwidth, GB/sec
L3 Shader Bandwidth, GB/sec
LLC Miss Rate due GPU Lookups
LLC Miss Ratio due GPU Lookups
Local
Maximum GPU Utilization
Occupancy
PS EU Active %
PS EU Stall %
Ratio to Max Bandwidth, %
Ratio to Max Bandwidth, %
Ratio to Max Bandwidth, %
Render/GPGPU Command Streamer Loaded
Samples Blended
Samples Killed in PS, pixels
Samples Written
Sampler Busy
Sampler Is Bottleneck
Shared Local Memory Read Bandwidth, GB/sec
Shared Local Memory Write Bandwidth, GB/sec
SIMD Width
Stack-to-stack Incoming Bandwidth
Stack-to-stack Outgoing Bandwidth
System Memory Read Bandwidth
System Memory Write Bandwidth
Size
Total, GB/sec
Total Time
Typed Memory Read Bandwidth, GB/sec
Typed Memory Write Bandwidth, GB/sec
Typed Reads Coalescence
Typed Writes Coalescence
Untyped Memory Read Bandwidth, GB/sec
Untyped Memory Write Bandwidth, GB/sec
Untyped Reads Coalescence
Untyped Writes Coalescence
VS EU Active
VS EU Stall
Visible to Intel only — GUID: GUID-99D2E9B6-D36D-41C0-8329-2FE504670B7E
System APIs Supported by Intel® VTune™ Profiler
VTune Profiler supports interpretation of Linux* and Microsoft* Windows* OS APIs.
The following table lists all of the 32-bit and 64-bit OS threading and synchronization functions that are currently supported by VTune Profiler. Check the Release Notes to see if support for new APIs has been added recently. If an API is not supported, the collected statistics will be incomplete.
API for Windows* OS
.NET* APIs |
|
|---|---|
RegisterClassA RegisterClassW RegisterClassExA RegisterClassExW UnregisterClassA UnregisterClassW GetClassInfoA GetClassInfoW GetClassInfoExA GetClassInfoExW GetWindowLongA GetWindowLongW GetWindowLongPtrA GetWindowLongPtrW GetClassLongA GetClassLongW GetClassLongPtrA GetClassLongPtrW SetWindowLongA SetWindowLongW SetWindowLongPtrA SetWindowLongPtrW SetClassLongA SetClassLongW SetClassLongPtrA SetClassLongPtrW AutoResetEvent_Ctor ManualResetEvent_Ctor EventWaitHandle_Ctor_1 EventWaitHandle_Ctor_2 EventWaitHandle_Ctor_3 EventWaitHandle_Ctor_4 EventWaitHandle_OpenExisting_1 EventWaitHandle_OpenExisting_2 EventWaitHandle_Set EventWaitHandle_Reset WaitHandle_WaitOne_1 WaitHandle_WaitOne_2 WaitHandle_WaitOne_3 WaitHandle_WaitAny_1 WaitHandle_WaitAny_2 WaitHandle_WaitAny_3 WaitHandle_WaitAll_1 WaitHandle_WaitAll_2 WaitHandle_WaitAll_3 WaitHandle_SignalAndWait_1 WaitHandle_SignalAndWait_2 WaitHandle_SignalAndWait_3 Thread_Join_1 Thread_Join_2 Thread_Join_3 Thread_Sleep_1 Thread_Sleep_2 Thread_Interrupt ThreadPool_RegisterWaitForSingleObject_1 ThreadPool_RegisterWaitForSingleObject_2 ThreadPool_RegisterWaitForSingleObject_3 ThreadPool_RegisterWaitForSingleObject_4 ThreadPool_UnsafeRegisterWaitForSingleObject_1 ThreadPool_UnsafeRegisterWaitForSingleObject_2 ThreadPool_UnsafeRegisterWaitForSingleObject_3 |
ThreadPool_UnsafeRegisterWaitForSingleObject_4 ThreadPool_QueueUserWorkItem_1 ThreadPool_QueueUserWorkItem_2 ThreadPool_UnsafeQueueUserWorkItem ThreadPool_UnsafeQueueNativeOverlapped Timer_Ctor_1 Timer_Ctor_2 Timer_Ctor_3 Timer_Ctor_4 Timer_Ctor_5 Monitor_Exit MonitorWait Monitor_Wait_1 Monitor_Wait_2 Monitor_Wait_3 Monitor_Wait_4 Monitor_Wait_5 Monitor_Pulse Monitor_PulseAll Monitor_Enter Monitor_Enter_1 MonitorTryEnter Monitor_TryEnter_1 Monitor_TryEnter_2 Monitor_TryEnter_3 Monitor_TryEnter_4 Monitor_TryEnter_5 Mutex_Ctor_1 Mutex_Ctor_2 Mutex_Ctor_3 Mutex_Ctor_4 Mutex_Ctor_5 Mutex_Release Mutex_OpenExisting_1 Mutex_OpenExisting_2 Semaphore_Ctor_1 Semaphore_Ctor_2 Semaphore_Ctor_3 Semaphore_Ctor_4 Semaphore_OpenExisting_1 Semaphore_OpenExisting_2 Semaphore_Release_1 Semaphore_Release_2 ReaderWriterLock_Ctor ReaderWriterLock_AcquireReaderLock_1 ReaderWriterLock_AcquireReaderLock_2 ReaderWriterLock_AcquireWriterLock_1 ReaderWriterLock_AcquireWriterLock_2 ReaderWriterLock_ReleaseReaderLock ReaderWriterLock_ReleaseWriterLock ReaderWriterLock_UpgradeToWriterLock_1 ReaderWriterLock_UpgradeToWriterLock_2 ReaderWriterLock_DowngradeFromWriterLock ReaderWriterLock_RestoreLock ReaderWriterLock_ReleaseLock WaitHandle_WaitOne_4 WaitHandle_WaitOne_5 WaitHandle_WaitAny_4 WaitHandle_WaitAny_5 WaitHandle_WaitAll_4 WaitHandle_WaitAll_5 |
Callback APIs |
|
BindIoCompletionCallback GetOverlappedResult |
QueueUserAPC RaiseException |
Condition variable APIs |
|
RtlInitializeConditionVariable RtlWakeAllConditionVariable RtlWakeConditionVariable |
SleepConditionVariableCS SleepConditionVariableSRW |
Critical section APIs |
|
InitializeCriticalSection InitializeCriticalSection InitializeCriticalSectionEx InitializeCriticalSectionAndSpinCount RtlInitializeCriticalSectionAndSpinCount |
RtlInitializeCriticalSection RtlTryEnterCriticalSection RtlEnterCriticalSection RtlLeaveCriticalSection RtlSetCriticalSectionSpinCount RtlDeleteCriticalSection |
Event APIs |
|
CreateEventA CreateEventExA CreateEventExW CreateEventW OpenEventA |
OpenEventW PulseEvent ResetEvent SetEvent PulseEvent |
Fiber APIs |
|
SwitchToFiber CreateFiberEx |
DeleteFiber FiberStartRoutineWrapper |
File/Directory APIs |
|
CreateFileA CreateFileW OpenFile WriteFile WriteFileEx WriteFileGather ReadFile ReadFileEx ReadFileScatter FindFirstChangeNotificationA FindFirstChangeNotificationW FindCloseChangeNotification CreateDirectoryA CreateDirectoryW CreateDirectoryExA CreateDirectoryExW DeleteFileA DeleteFileW FindFirstFileA |
FindFirstFileW FindFirstFileExA FindFirstFileExW FindNextChangeNotification FindNextFileA FindNextFileW GetCurrentDirectoryA GetCurrentDirectoryW MoveFileA MoveFileW MoveFileExA MoveFileExW ReadDirectoryChangesW RemoveDirectoryA RemoveDirectoryW SetCurrentDirectoryA SetCurrentDirectoryW lock unlock |
Input/output APIs |
|
CreateMailslotA CreateMailslotW DeviceIoControl FindFirstPrinterChangeNotification FindClosePrinterChangeNotification GetStdHandle |
ReadConsoleInputA ReadConsoleInputW ReadConsoleA ReadConsoleW WaitCommEvent WaitForInputIdle |
Memory Allocation APIs |
|
malloc calloc realloc free RtlAllocateHeap RtlReAllocateHeap RtlFreeHeap RtlSizeHeap GlobalAlloc GlobalFlags GlobalFree GlobalHandle GlobalLock GlobalReAlloc GlobalSize GlobalUnlock LocalAlloc LocalFlags LocalFree LocalHandle LocalLock |
LocalReAlloc LocalSize LocalUnlock GetProcessHeap GetProcessHeaps HeapAlloc HeapCompact HeapCreate HeapDestroy HeapFree HeapLock HeapQueryInformation HeapReAlloc HeapSetInformation HeapSize HeapUnlock HeapValidate HeapWalk |
Mutex APIs |
|
CreateMutexA CreateMutexExA CreateMutexExW CreateMutexW |
OpenMutexA OpenMutexW ReleaseMutex |
Networking APIs |
|
RpcNsBindingLookupBeginA RpcNsBindingLookupBeginW RpcNsBindingLookupNext RpcNsBindingLookupDone RpcNsBindingImportBeginA RpcNsBindingImportBeginW RpcNsBindingImportNext RpcNsBindingImportDone RpcStringBindingComposeA RpcStringBindingComposeW RpcServerListen RpcMgmtWaitServerListen RpcMgmtInqIfIds RpcEpResolveBinding RpcCancelThread RpcMgmtEpEltInqBegin RpcMgmtEpEltInqDone RpcMgmtEpEltInqNextA RpcMgmtEpEltInqNextW socket accept |
closesocket connect recv recvfrom send sendto select WSASocketA WSASocketW WSAAccept WSAConnect WSASend WSASendTo WSARecv WSARecvFrom WSAGetOverlappedResult WSACreateEvent WSACloseEvent WSAResetEvent WSASetEvent WSAWaitForMultipleEvents |
Object APIs |
|
CloseHandle |
DuplicateHandle |
One-time initialization APIs |
|
InitOnceBeginInitialize InitOnceComplete |
InitOnceExecuteOnce RtlRunOnceInitialize |
Pipe APIs |
|
CallNamedPipeA CallNamedPipeW ConnectNamedPipe CreateNamedPipeA CreateNamedPipeW |
TransactNamedPipe WaitNamedPipeA WaitNamedPipeW |
Process APIs |
|
CreateProcessA CreateProcessW OpenProcess |
TerminateProcess ExitProcess RtlExitUserProcess |
Semaphore APIs |
|
CreateSemaphoreA CreateSemaphoreExA CreateSemaphoreExW CreateSemaphoreW |
OpenSemaphoreA OpenSemaphoreW ReleaseSemaphore |
Sleep APIs |
|
Sleep |
SleepEx |
Slim Reader/Writer (SRW) Locks APIs |
|
RtlInitializeSRWLock RtlAcquireSRWLockExclusive RtlReleaseSRWLockExclus |
RtlAcquireSRWLockShared RtlReleaseSRWLockShared |
Thread APIs |
|
CreateThread CreateRemoteThread OpenThread ExitThread FreeLibraryAndExitThread |
RtlExitUserThread TerminateThread SuspendThread Wow64SuspendThread ResumeThread |
Threadpool APIs |
|
CreateIoCompletionPort GetQueuedCompletionStatus PostQueuedCompletionStatus CreateThreadpoolWait CreateThreadpoolWork TrySubmitThreadpoolCallback CreateThreadpoolTimer CreateThreadpoolIo CreateThreadpoolCleanupGroup |
CreateTimerQueue CreateTimerQueueTimer DeleteTimerQueueTimer DeleteTimerQueueEx DeleteTimerQueue UnregisterWait UnregisterWaitEx QueueUserWorkItem RegisterWaitForSingleObject |
Timer APIs |
|
CancelWaitableTimer CreateWaitableTimerA CreateWaitableTimerW |
OpenWaitableTimerA OpenWaitableTimerW SetWaitableTimer |
Wait APIs |
|
MsgWaitForMultipleObjects MsgWaitForMultipleObjectsEx SignalObjectAndWait WaitForMultipleObjects |
WaitForMultipleObjectsEx WaitForSingleObject WaitForSingleObjectEx RegisteredWaitHandle_Unregister |
Windows Messaging APIs |
|
GetMessageA GetMessageW PeekMessageA PeekMessageW SendMessageA SendMessageW SendMessageTimeoutA SendMessageTimeoutW SendMessageCallbackA SendMessageCallbackW SendNotifyMessageA SendNotifyMessageW BroadcastSystemMessageExA BroadcastSystemMessageExW BroadcastSystemMessageA BroadcastSystemMessageW PostMessageA PostMessageW PostThreadMessageA |
PostThreadMessageW ReplyMessage WaitMessage DialogBoxParamA DialogBoxParamW DialogBoxIndirectParamA DialogBoxIndirectParamW MessageBoxA MessageBoxW MessageBoxExA MessageBoxExW NdrSendReceive NdrNsSendReceive PrintDlgA PrintDlgW PrintDlgExA PrintDlgExW ConnectToPrinterDlg |
API for Linux* OS
Timer, signal and wait APIs |
|
|---|---|
setitimer getitimer wait waitpid waitid wait3 wait4 sleep usleep ualarm nanosleep |
clock_nanosleep pause alarm signal sigaction sigprocmask sigsuspend sigpending sigtimedwait sigwaitinfo sigwait |
I/O API |
|
getwc getw getchar getwchar getch wgetch mvgetch gets fgetc fgetwc fgets fgetws fread fwrite pipe |
read write readv writev open fopen fdopen close fclose io_submit io_cancel io_setup io_destroy io_getevents |
Synchronous I/O multiplexing APIs |
|
select pselect epoll_wait |
epoll_pwait poll ppoll |
Network API |
|
socket accept connect shutdown |
recv recvfrom send sendto |
File Locking API |
|
ioctl flock flockfile |
funlockfile lockf fcntl |
DSO API |
|
dlopen dlclose dlsym |
dlvsym dladdr dladdr1 |
RPC API |
|
callrpc clnt_broadcast clntudp_create clntudp_bufcreate clntraw_create pmap_getmaps pmap_getport |
pmap_rmtcall pmap_set svc_run svc_sendreply svcraw_create svctcp_create svcudp_bufcreate svcudp_create |
POSIX Thread Function API |
|
pthread_exit pthread_cancel pthread_barrier_init pthread_barrier_destroy pthread_barrier_wait pthread_mutex_init pthread_mutex_destroy pthread_mutex_lock pthread_mutex_unlock pthread_mutex_timedlock pthread_rwlock_init pthread_rwlock_destroy pthread_rwlock_rdlock pthread_rwlock_wrlock pthread_rwlock_unlock pthread_create pthread_join |
pthread_rwlock_timedrdlock pthread_rwlock_timedwrlock pthread_spin_init pthread_spin_destroy pthread_spin_lock pthread_spin_unlock pthread_cond_init pthread_cond_destroy pthread_cond_broadcast pthread_cond_signal pthread_cond_timedwait pthread_cond_wait pthread_key_create pthread_key_delete pthread_sigmask pthread_setcancelstate |
POSIX Interprocess Communication API |
|
sem_init sem_destroy sem_wait sem_timedwait sem_post semop semtimedop |
recvmsg sendmsg msgrcv msgsnd msgget semget |
POSIX Message Queue API |
|
mq_close mq_open mq_receive |
mq_timedreceive mq_send mq_timedsend |
Parent topic: API Support