Replace Intel Pin and implement eBPF-based coverage#116

Merged

ilmanzo merged 41 commits into

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explore_bpf_tracing

May 13, 2026

Commits on May 12, 2026

feat: replace Intel Pin with bpftrace + native Go ELF shim

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fix(shim): replace broken parseLibs with json.Unmarshal

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fix(shim): pass image path as bpftrace arg, not format string

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fix: handle previously ignored read errors

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fix(report): deterministic function order in text report

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refactor(report): cache safeName regexp; reuse splitCalledUncalled

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refactor: use slices.SortFunc + cmp.Compare in enumerate output

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refactor(enumerate): parse ldd output with single regexp

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refactor(shim): extract helpers and centralise cleanup in runWithTracing

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refactor(cli): replace 150-line main switch with a command dispatch table

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refactor: extract shared helpers into internal/funkutil package

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style: gofmt freshly-added shim and funkutil_test files

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fix(shim): drop sched_process_exit cleanup + accept "Attached" msg

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fix(enumerate): drop glibc/runtime libs from sidecar tracing

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fix(enumerate): prefer ELF symtab over DWARF

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feat: support dwz-compressed debug files via .gnu_debugaltlink
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refactor: move dwz debug discovery to install phase via eu-unstrip
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fix: enumerate functions after merging debug info
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fix: eu-unstrip --force for PIE binaries with relocatable debug
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fix: externalDebugPath must use Contains for orphaned dwz files like openssh
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feat: enumerate and trace library functions without debug info
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Fix ringbuf drain race: defer reader.Close() after detach to allow in-flight events to drain
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chore: ignore binary object files
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feat: implement eBPF-based function coverage (funkoverage)
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Commits on May 13, 2026