INTEL VTUNE SAMPLING PDF

Intel® VTune™ Amplifier uses kernel drivers to enable hardware event-based sampling and collect event-based sampling data from. During the hardware event-based sampling (EBS), also known as analysis in the sampling mode, the Intel® VTune™ Amplifier profiles your. To enable hardware event-based sampling analysis on your platform, the Intel® VTune™ Amplifier uses sampling drivers that require root.

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VTune Amplifier installer automatically uses the Sampling Driver Kit to build drivers for your kernel with the default installation options.

Verify the sampling driver is installed correctly. If required, install the driver. Verify the sampling driver is installed.

Sampling Interval

If required, build and install the driver. You may need kernel header sources and other additional software to build and load the kernel drivers on Linux. A Linux kernel update can lead to incompatibility with VTune Amplifier drivers set up on the system for event-based sampling EBS analysis.

If the system has installed VTune Amplifier boot scripts to load the drivers into the kernel each time the system is rebooted, the drivers will be automatically re-built by the boot scripts at system boot time. Kernel development sources required for driver rebuild should correspond to the Linux kernel update.

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samplling

If you loaded the drivers but do not use them and no collection is happening, there is no execution time overhead of having the drivers loaded. The memory overhead is also minimal.

Build and Install the Sampling Drivers for Linux* Targets

You can let the drivers be loaded at boot time for example, via the install-boot-scriptwhich is used by default and not worry about it. Unless data is being collected by the VTune Amplifier, there will be no latency impact on system performance.

Share Tweet Share Send. Cannot Open Data Error Message: Guessed Stack Frames Problem: Inaccurate Sum in the Grid Problem: Skipped Stack Frames Problem: Unexpected Paused Time Problem: Call Stack Pane Context Menus: Project Navigator Context Menus: Source Search Hot Keys Menu: Intel VTune Amplifier Pane: Options – General Pane: Options – Result Location Pane: Bandwidth – Platform Power Analysis Window: Bottom-up – Memory Usage Window: Cannot Find File Window: Event Count – Hardware Events Window: Graphics – Hotspots Window: Platform Power Analysis Window: Sample Count – Hardware Events Window: Summary – Microarchitecture Exploration Window: Summary – Hardware Events Window: Summary – Hotspots Window: Summary – Hotspots by Thread Concurrency Window: Summary – Locks and Waits Window: Summary – Memory Consumption Window: Summary – Memory Usage Window: Summary – Platform Power Analysis Window: Depending on your target system, you can manage the sampling drivers as follows: Make sure the driver is installed.

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Build the driver, if required. Install the driver, if required.

Sampling Interval

Verify the driver configuration. Note You may need kernel header sources and other additional software to build and load the kernel drivers on Linux. For more complete information about compiler optimizations, see our Optimization Notice. Select sticky inntel color:

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