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June 7 - 9, 2022 | Mountain View, CA + Virtual
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Important: If you plan to attend Intro to Zephyr Day on Tuesday, June 7, pre-registration and session selection are required. 

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Wednesday, June 8 • 2:45pm - 3:00pm
Virtual: Building a Test for Diverse Fleet of Platforms, How Hard That Could Be? - Evgeniy Paltsev, Synopsys

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What makes for a good test?
It's a simple, it produces reliable results and in the end it runs on a wide range of platforms with various ISAs, compilers, target speeds and memory layouts.
There are lots of assumptions in existing tests, which may not be entirely correct for all possible platforms. Good examples are: test involves interaction between threads (are we aware of SMP platforms?); there's a wait for something (time period can be too long or short for target); test exploits undefined behavior (good luck with reproduction in a different environment). Ok, all above checked? Now meet compiler optimizations...

During this talk we'll look at various kinds of issues getting in the way of writing a robust test. It'll be based on real experience with debugging issues for various ARC platforms and it'll be helpful for both, those writing new tests and those debugging existing ones.

Speakers
avatar for Evgeniy Paltsev

Evgeniy Paltsev

Linux & Zephyr kernel engineer, Synopsys
Evgeniy is a member of Synopsys open-source team which ports and maintains projects for ARC processors architecture. He actively develops Linux & Zephyr kernels, U-Boot with journeys to other projects like Weston, Buildroot, uClibc-ng, etc. His main focus is low-level architecture-specific... Read More →


Wednesday June 8, 2022 2:45pm - 3:00pm PDT
Boole