Unregister PPPs when they are no longer PPPs #110
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This commit, together with a commit in the `ruby` repo, allows the GC to remove objects from the list of registered PPPs when they are no longer PPPs. Specifically, iseq objects will stop being PPPs since ISEQ_COMPILE_DATA_CLEAR. This commit also adds eBPF tracing extensions to track the number of PPPs and their children involved when pinning or unpinning PPP children, and the number of PPPs removed when cleaning up the PPP list, and visualize them on the generated timeline plot.
This was referenced Oct 16, 2024
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This commit, together with a commit in the
rubyrepo, allows the GC to remove objects from the list of registered PPPs when they are no longer PPPs. Specifically, iseq objects will stop being PPPs since ISEQ_COMPILE_DATA_CLEAR.This commit also adds eBPF tracing extensions to track the number of PPPs and their children involved when pinning or unpinning PPP children, and the number of PPPs removed when cleaning up the PPP list, and visualize them on the generated timeline plot.