Time every Phase the build flow announces through enter_phase — the
chroot bootstrap (tarball download, extraction, finalization), the
apt phases, patch application, the build and binary steps and the
artifact retrieval — and land the ordered profile in the record's
manifest of every run, failed builds included: their profile ends
at the phase the error propagated out of.
Timing rides the enter_phase choke point instead of new measurement
sites, so a phase added later profiles itself. The manifest field
is additive (serde default, skipped when absent), so older manifests
keep loading without a schema bump. The coarse timings stay the
source of the deb list columns: they measure the apt transactions
themselves, where the profile measures whole phases.
pkh deb profile renders a record's profile through the same
read-only record discovery as pkh deb log — the newest record of
the tree, or an id prefix as shown by pkh deb list — so
record_for_log becomes the neutral find_record. Phase keys are
storage names, distinct from the display labels; Phase::from_key
turns them back and a test keeps both in sync.
vhaudiquet
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