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ultraman pegs CPU usage. about ultraman HOT 1 CLOSED

yukihirop avatar yukihirop commented on September 27, 2024 1
ultraman pegs CPU usage.

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dan-da avatar dan-da commented on September 27, 2024

I made a flamegraph with cargo flamegraph. It seems to indicate that a lot of time is spent in process::check_for_child_termination calling nix::sys::wait::waitpid().

flamegraph

in case it is relevant, i'm running on an old ubuntu 16.04 box.

 uname -a
Linux t61 4.15.0-122-generic #124~16.04.1-Ubuntu SMP Thu Oct 15 16:08:36 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

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