Perf script parity - #1

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ixtli wants to merge 39 commits into

ixtli:perf-script-parity

Commits on Jun 11, 2026

Fix macOS package discovery and add Linux perf oracle harness

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4bb3249
Make mmap ingestion incremental via per-pid interval index

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6540a9a
Make mmap ingestion incremental via per-pid interval index

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5b1b41e
Read thread ids with read_dir and drop procfs

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1cf9ded
Error on unsupported profile backends and inject test platforms

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fea081c
Read perf feature bitmap at the correct offset

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8fe1ec7
Parse perf feature-section build-id records

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ffc5949
Name events from HEADER_EVENT_DESC and match perf script's event-name spacing

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c3254d0
Add aarch64 reg decoding, ebl fallback, and HEADER_ARCH parsing

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07e4747
Default perf-script/fold to one symtab frame per callchain entry

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7bd582e
Split oracle harness into record and fast compare steps

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bfc4357
Update tests for the inline-off default and event-name spacing

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31062c2
Seed the build-id cache in the oracle compare container

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279650c
Fold with --count-periods in the oracle compare

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dc77743
Match perf script output byte-for-byte on the fp oracle

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89d8958
Move header-arch test feature bit to the corrected bitmap offset

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1c242da
Resolve the main repo from the absolute git common dir

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58db791
Cache DWARF inline-frame indexes per object across fold rounds

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11453d2
Thread perf arch through the fold user-unwind path

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53d78c5
Add aarch64 dwarf user-unwind fold tests and ebl-fallback trigger

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b6340da
Add --inline passthrough to the bench and dwarf oracle compare

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347bd11
Unwind aarch64 DWARF user stacks in the fold path

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85f5cf5
Record dwarf parity status after aarch64 unwind merge

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5182ff2
Name DWARF inline frames from linkage names like perf

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16314a2
Pin current-IP-only fold tests to a synthetic x86_64 ELF

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7119522
Record green macOS suite in parity findings

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d743cae
Expand inline frames on the sampled-IP leaf with --inline

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8c8416a
Format inline script frames with offset and (inlined) like perf

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cdd1b30
Resolve kernel kallsyms frames in the direct fold on the recording machine

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9e32655
Match perf inline-frame symbolization on the dwarf oracle

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e5b8d6e
Record dwarf inline parity closure in findings and beads

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8262afc
Compare device with inode in file identity

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251df97
Unify symbol source across mmap record forms

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146db22
Emit the libdw scenario-D leaf and gate it before unwinding

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62e3d62
Test scenario-D leaf emission and the skip-gate predicate

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c49bb8b
Test the CFI-presence memo consistency and invalidation

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503e141
Close pyroclast-5gr and pyroclast-pkh as the leaf-only model lands

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25313b7
Emit libdw scenario-D leaves and gate unwinds that cannot advance

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b0604fc
Record leaf-only model closure in parity findings

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b940ddc