Expose per-unit module request profiles

2026-07-16 22:32:30 +00:00
parent b4f652b5a5
commit a247c2b520
3 changed files with 68 additions and 2 deletions
@@ -169,7 +169,11 @@ hostcalls without per-import timeout bookkeeping.
 `request_perf()` reports worker module-cache hits and misses and divides a miss
 into artifact lookup, wasm read, custom-section parse, serialized-module
 deserialization or wasm compilation, and immutable import classification. This
-keeps cold-worker module latency distinguishable without exposing source paths.
+includes a bounded per-request unit trace with site-relative unit names, cache
+source, bytes, and phase durations so a cold outlier identifies its exact unit
+and whether it used worker memory, serialized code, compilation, or failed.
+Absolute source paths and source contents are not exposed. This keeps cold-worker
+module latency distinguishable without exposing source paths.
 When a current serialized module exists, the worker scans wasm section headers
 and reads only `dylink.0` and `uce.abi`; it does not fault the multi-megabyte code
 and data bodies into every new worker. A missing/stale/invalid serialized module