Skip profile samples for threads without the GVL since the last sample#5751

Draft

eregon wants to merge 7 commits into

benchmark-sampling-overhead

Commits on May 13, 2026

Add benchmark for profiling overhead
eregon
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Skip per-tick samples for threads continuously suspended since last sample

eregon
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claude
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Emit a catch-up sample for still-suspended threads before serialization

eregon
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claude
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Fix -Wunused-parameter on Ruby <3.3 in _native_flush_inactive_threads

eregon
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claude
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Replace gvl_suspended_at timestamp with a state-change counter

eregon
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claude
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Simplify gvl_state_change_count to a plain counter

eregon
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claude
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Clear gvl_state_change_count in initialize_context to fix cross-test flake

eregon
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claude
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