Debugging and Profiling .NET Core Apps on Linux

Зал 1 | 10:30

EN

OK, great, you can now run your favorite ASP.NET app or console application on Linux using .NET Core. What happens next? In fact, what happens straight after deployment, when you discover memory leaks, surprising crashes, performance problems, and other woes – in the production environment? The tools and profilers you're used to from Windows don't work on Linux, and a lot of them don't have easy-to-use alternatives. In this talk, we will review the current landscape of profiling and debugging .NET Core apps on Linux. We will talk about performance investigations using perf, the Linux performance multi-tool, which can collect stack traces of CPU samples and other interesting events from .NET Core applications. We will review LTTNG and how it's used by .NET Core as a replacement for Windows ETW events, and see how to collect LTTNG traces efficiently and extract useful insights from them. We will also talk about core dumps, how to generate them on Linux, and how to get .NET-specific information out of a core dump using lldb and SOS. Prepare for a bumpy ride of half-baked tools and command-line magic, with – hopefully – a rewarding end!


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Sasha Goldshtein

Sasha Goldshtein goldshtn

Sela Group

Sasha Goldshtein is the CTO of Sela Group, Microsoft MVP and Regional Director, Pluralsight and O'Reilly author, and an international consultant and trainer. Sasha is the author of "Introducing Windows 7 for Developers" (Microsoft Press, 2009) and "Pro .NET Performance" (Apress, 2012), a prolific blogger and open source contributor, and the author of numerous training courses including .NET Debugging, .NET Performance, Android Application Development, and Modern C++. His consulting work revolves mainly around distributed architecture, production debugging and performance diagnostics, and mobile application development.


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