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rr is a record & replay debugging tool. I've found it particularly helpful for debugging multiprocessing issues, free-threading bugs, and non-deterministic crashes.
@ericsnowcurrently suggested adding a devguide entry for how to use rr specifically for CPython development. That seems like a good idea to me.
Here are some topics I think are worth covering:
How to install rr? The OS provided packages (e.g., Ubuntu) are often out-of-date and may not work well with some CPython test suites or new CPUs. The latest release on GitHub is much better: https://github.com/rr-debugger/rr/releases/
How to use rr for multiprocessing? (rr replay -p pid or rr replay -f pid)
How to use rr for multi-threading issues?
How to use rr to track down intermittent crashes? (Roughly, record lots of traces until you find a crasher).
The text was updated successfully, but these errors were encountered:
rris a record & replay debugging tool. I've found it particularly helpful for debugging multiprocessing issues, free-threading bugs, and non-deterministic crashes.@ericsnowcurrently suggested adding a devguide entry for how to use
rrspecifically for CPython development. That seems like a good idea to me.Here are some topics I think are worth covering:
rr? The OS provided packages (e.g., Ubuntu) are often out-of-date and may not work well with some CPython test suites or new CPUs. The latest release on GitHub is much better: https://github.com/rr-debugger/rr/releases/rrfor multiprocessing? (rr replay -p pid or rr replay -f pid)rrfor multi-threading issues?rrto track down intermittent crashes? (Roughly, record lots of traces until you find a crasher).The text was updated successfully, but these errors were encountered: