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Managing Call Stacks
Intel VTune Amplifier provides call stack information in the Call Stack pane, Bottom-up pane and Top-down Tree pane.Navigate and configure the stack information in the Call Stack pane as follows:To Do...
View ArticleRunning Analysis
Parent topic: Intel® VTune™ Amplifier User's GuideAbout Running AnalysisRunning AnalysisPausing Data CollectionStopping AnalysisCancelling AnalysisLingua Inglese
View ArticleAbout Configuring Analysis Type
When you chose an analysis type and selected the corresponding entry of the analysis tree in the Analysis Type window, the Intel® VTune™ Amplifier displays an analysis type configuration pane on the...
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Specifying Duration
Estimate the duration time of your application target. This value affects the size of the collected data. For long-running targets, the sampling interval is increased to reduce the result size. For...
View ArticleBuilding and Managing Power Analysis Driver
NotePower analysis is supported only for Linux* OS based on Intel® Xeon® processors. On Windows* OS, you may import and view results collected on a Linux OS.Intel® VTune™ Amplifier uses the kernel...
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Precise Events
Precise events are events for which the exact instruction addresses that caused the event are available. You can configure these events to collect extended information, the values of all the registers...
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Access Contention Analysis
Access Contention analysis type uses event-based sampling collection and is targeted for the Intel® microarchitecture code name Sandy Bridge.This analysis type uses events that help identify shared...
View ArticleAdvanced Hotspots Analysis
Advanced Hotspots analysis is a fast and easy way to identify performance-critical code sections (hotspots). The periodic instruction pointer sampling performed by Intel® VTune™ Amplifier identifies...
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Analyzing MPI Applications
Parallel High Performance Computing (HPC) applications often rely on multi-node architectures of modern clusters. Performance tuning of such applications must involve analysis of cross-node application...
View ArticleVTune Amplifier in Intel® Studios
Intel® VTune™ Amplifier is delivered as part of the Intel Parallel Studio XE, Intel Cluster Studio XE, and Intel System Studio.For information on Studio components, their interaction with the VTune...
View ArticleRe-finalizing Results
Results are finalized during collection by default - but sometimes finalization is suppressed, and sometimes a result that was finalized needs to be re-resolved. Here are some of the reasons that you...
View ArticleSystem APIs Supported by Intel® VTune™ Amplifier
VTuneAmplifier supports interpretation of 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...
View ArticleInstrumentation and Tracing Technology APIs
Parent topic: API SupportAbout Instrumentation and Tracing Technology (ITT) APIsInstrumenting Your ApplicationCompiling and Linking with ITT APIsMinimizing ITT API OverheadDomain APIString Handle...
View ArticleTop-down Tree Comparison
To understand how your application call tree has changed after your optimization and see the difference in performance metrics per function and its callees, click the Top-down Tree sub-tab and explore...
View ArticleAbout Interpreting Power Analysis Data
NotePower analysis is available only with the Intel® VTune™ Amplifier for Systems, part of Intel System Studio. For Linux* platforms based on Intel Xeon® processors, use Power analysis types provided...
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Analyzing Loops
Intel® VTune™ Amplifier provides an option to view a hierarchy of the loops in your application call tree and identify code sections for optimization.To view and analyze loops in your...
View ArticleCollecting Data Remotely on Linux* Systems from Command Line
Intel® VTune™ Amplifier enables you to collect data on a remote application from the host system (remote usage mode) via command line interface (amplxe-cl) and view the analysis result locally in the...
View ArticleConfiguring MPI Application Analysis
To collect performance data for an MPI application with the Intel® VTune™ Amplifier, use the following command:$ mpirun-genvall-n <n> -l amplxe-cl -result-dir my_result -quiet -collect...
View ArticleChoosing Analysis Type
Parent topic: Intel® VTune™ Amplifier User's GuideAbout Choosing Analysis TypeChoosing Analysis TypeCreating a New Analysis TypeCreating an Analysis Type with User-defined Event-based Sampling...
View ArticleConfiguring Targets
Parent topic: Intel® VTune™ Amplifier User's GuideAbout Configuring TargetsProfiling Managed CodeConfiguring Frames ThresholdSpecifying CPUs to AnalyzeAnalyzing Child ProcessesLimiting Data Collection...
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