Fix Processor Throttling with Intel® VTune™ | Intel Software
8Intel VTune Profiler's system overview analysis with energy consumption and throttling event analysis can be used to identify whether the processor core frequencies are being throttled. You can pinpoint the CPU throttling reason and consider resolution proposals. Whether a throttling event is triggered by interrupt handlers, energy consumption, turbo mode limits, or thermal protection mechanisms, VTune Profiler helps to find the root cause.
This video demonstrates using Intel VTune Profiler system overview analysis with energy consumption and throttling event analysis to identify whether the processor core frequencies are being throttled.
The energy and throttling metrics are sampled independent of the other data collection driver and at a different sampling interval.
We will cover various methods for collecting this data type and discuss their benefits and levels of insight. Intel VTune Profiler and Intel® SoC Watch can detect various processor core frequency throttling events.
It can provide
• CPU throttling reasons over a timeline that supports zooming and filtering to see the events.
• measurements at various temperatures for each processor core and an interactive timeline showing the temperature measurements.
• The timeline where thermal throttling events first happened, and zoom and filter in; the zoomed timeline shows the individual measurements where these events occurred
• the timeline where max turbo limit occurred several times, then the thermal throttling event occurred many times and the processor core frequency decreased slightly when the thermal throttling events happened.
Intel® VTune™ Profiler: https://www.intel.com/content/www/us/en/developer/tools/oneapi/vtune-profiler.html
Get Started with Intel® VTune™ Profiler: https://www.intel.com/content/www/us/en/docs/vtune-profiler/get-started-guide/2023-1/overview.html
Intel® oneAPI: https://www.intel.com/content/www/us/en/developer/tools/oneapi/overview.html
oneAPI Code Samples Library: https://www.intel.com/content/www/us/en/developer/tools/oneapi/code-samples.html
oneAPI Code Samples Catalog: https://oneapi-src.github.io/oneAPI-samples/
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Fix Processor Throttling with Intel® VTune™ | Intel Software