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by lathiat 2392 days ago
Facebook also appears to have published BPF to do the same thing as py-spy but in kernel on perf hooks. But isn’t currently well documented to be easily accessible as far as I can tell.

I plan to test it out but hadn’t yet.

For anyone that wants to understand how py-spy works id also suggest the talk on rbspy (see YouTube) it’s great and basically the same but for ruby.