About Running Analysis
Intel® VTune™ Amplifier provides the following options to run performance analysis:Run analysis using the graphical interfaceRun analysis using the command line interfaceRun analysis remotely using the...
View ArticleCollecting Highly Accurate CPU Time Data
By default, the Intel® VTune™ Amplifier detects CPU time based on the OS scheduler tick granularity. As a result, the CPU time values may be inaccurate for targets that execute in short quanta less...
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Collecting Accurate Event Data
Intel® VTune™ Amplifier runs the advanced hardware-level analysis to collect data based on the events defined for the selected analysis type. The number of events it can monitor during a single run is...
View ArticleInstalling and Managing the Sampling Driver on an Intel® Xeon Phi™...
For hardware event-based sampling analysis on an Intel® Xeon Phi™ coprocessor based on Intel Many Integrated Core (Intel MIC) architecture, a sampling driver should be installed on the coprocessor...
View ArticleSample After Value
The Sample After Value (SAV) is the frequency with which the Intel® VTune™ Amplifier interrupts the processor to collect a sample during hardware event-based data collection. SAV is measured as the...
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Bandwidth Analysis
Bandwidth analysis type uses event-based sampling collection.Bandwidth analysis type measures the data read and written to DRAM via the processor's integrated memory controller. As a result of the data...
View ArticleConcurrency Analysis
Concurrency analysis based on the user-mode sampling and tracing collection helps identify hotspot functions where processor utilization is poor. When cores are idle at a hotspot, you have an...
View ArticleIntel® VTune™ Amplifier User's Guide
Parent topic: Intel® VTune™ AmplifierGetting HelpProduct Website and SupportKey ConceptsBefore You BeginChoosing TargetsConfiguring TargetsChoosing Analysis TypeConfiguring Analysis TypeRunning...
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Tutorials and Samples
Intel® VTune™ Amplifier offers several tools you can use as you learn, including:TutorialsSample applicationsAbout TutorialsVTune Amplifier XE provides several tutorials that use sample code to explain...
View ArticleViewing Analysis Results
Parent topic: Intel® VTune™ Amplifier User's GuideAbout Viewing Analysis ResultsSynchronization Between Bottom-up and Top-down Tree PanesSynchronization between the Bottom-up Pane and Call Stack...
View ArticleAnalyzing Frames
Intel® VTune™ Amplifier enables you to use the Frame API to insert calls to the desired places in your code and analyze performance per frame, where frame is the time period between frame begin and end...
View ArticleAbout Choosing Analysis Type
Intel® VTune™ Amplifier provides a set of predefined analysis configurations based either on the hardware event-based sampling collection or user-mode sampling and tracing collection. You can do one of...
View ArticleAbout Configuring Targets
You can configure your targets before running the analysis as follows: Configure target propertiesConfigure search directoriesConfigure output destinationAbout Configuring Target PropertiesYou can...
View ArticleBuilding a Target
Parent topic: Before You BeginAbout Building a TargetUsing Debug InformationLingua Inglese
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General Exploration Analysis
General Exploration analysis type uses event-based sampling collection and is targeted for the Intel® Xeon™ Phi coprocessor.This analysis is a good way to triage hardware issues in programs running on...
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Write Bandwidth Analysis
Write Bandwidth analysis type uses event-based sampling collection and is targeted for Intel® processors code name Beckton or Eagleton.The Write Bandwidth analysis type measures the data written to...
View ArticleHardware Event-based Sampling Collection
The hardware event-based sampling collector of the Intel® VTune™ Amplifier profiles your application using the counter overflow feature of the Performance Monitoring Unit (PMU). The data collector...
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MPI Application Analysis Workflow
The following figure shows basic steps required to analyze performance of MPI applications with the Intel® VTune™ Amplifier integrated into the Intel Cluster Studio XE.To display more information about...
View ArticleAbout Adding External Data to the Intel® VTune™ Amplifier
Intel® VTune™ Amplifier provides an option to correlate interval or discrete data, provided by an external collector, with the regular data provided by the analyzer. For example, you can see how the...
View ArticleCreating an Analysis Type with User-defined Event-based Sampling Metrics
Use the Metrics definition files provided by the VTune Amplifier to create your own event-based metrics and define analyses describing which metrics should be viewed together and how they should be...
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