In this video for the Intel Power Gadget, you will learn how to analyze the power data you collected using one of the PowerLog commands. When post-processing data, it is important to know what data to chart and what is of interest. Here you will be shown how interpret power spike trends, comparing average power consumption between the processor and the graphics.
- [Voiceover] So you've collected data…for the jigsaw puzzle application.…Now open up the log file and see what you've got.…I'm going to use Excel, but you can use…any program that handles .csv files.…When looking at the log file, the most useful data…for this exercise are found in columns…C, E, H, L, M as in money, and P.…I encourage you to explore the other columns as well.…But these columns hold the data I will be focusing on.…Column E is the processor package power consumption.…
This column represents the power consumed…by both the processor and the graphics.…Column C shows you the time at which…each sample was read after logging began.…So if you look at the column,…you will see what the sampling rate was.…For instance, here the sampling rate was 100 milliseconds.…Because 100 milliseconds after logging began,…a sample was read.…And 100 milliseconds after that, another sample was read.…If the sampling resolution was changed to say,…200 milliseconds, then after logging began,…you would see something like 0.2…
With these diagnostic tools and some efficient programming, you can reduce your app's power consumption while improving its response times. In this course, Thomas Pantels introduces a handful of tools used to measure and optimize power consumption. You will see demos on how to use the Intel Power Gadget, Windows Performance Toolkit, TypePerf, and SoC Watch, along with some simple coding tips for making any Windows app more energy efficient.
- Collecting and analyzing power data with Intel Power Gadget
- Implementing a rendering state machine
- Collecting and analyzing data with the Windows Performance Toolkit
- Understanding idle states, call stack walking, and thread activity
- Windows OS Timer Tick Resolution Rate change
- Optimization techniques to make your app power efficient
- Collecting, analyzing, and comparing data with Windows TypePerf and SoC Watch
Skill Level Intermediate
1. How to Use Intel Power Gadget
2. How to Use Windows Performance Toolkit
3. How to Use Windows Typeperf
4. How to Use Intel Energy Profiler SoC Watch
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