Flamegraphs for Ruby 2.6

2019/05/28

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I recently added support for Ruby 2.5.4, 2.5.5 and 2.6.0-2.6.3 to rbspy, the sampling profiler written in Rust. I have replaced the original Flamegraph library by Brendan Gregg with Inferno, a Rust port.

I also updated and merged a PR for handling execve calls on Linux. This should fix the Bad address (os error 14) issues that would appear. Finally, I did some dependency updates and fixes as indicated by clippy.

You should now be able to profile your Ruby 2.6 applications, and generate a flamegraph to find the code bottlenecks.

Pull requests mentioned in this article:

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