[DRAFT][CI-VERIFY] Bloaty size reports on arm jobs#1
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rascani wants to merge 2 commits into
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The test-arm-cortex-m-size-test job now builds the PR's merge base in addition to head, runs bloaty against both, and uploads a per-leg artifact. A new workflow_run-triggered workflow downloads the artifacts and posts a sticky PR comment with per-segment, per-section, and per-bucket deltas plus the top-5 symbols by Δ. Reporting is best-effort and never fails the size job. Existing threshold gates are unchanged. The custom bloaty data source in test/bloaty/executorch.bloaty groups demangled symbols into runtime/extension/backends/kernels/etc buckets so the diff is readable. Drafted with Claude.
Synthetic +~190 byte change to verify the bloaty PR-comment workflow reports the regression correctly. Look for the [bloaty-ci-verify-string] marker — revert this commit before any real PR.
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Draft PR to verify the new bloaty PR-comment workflow added in
.github/workflows/bloaty-size-comment.yml. The synthetic +190-byte change
to runtime/executor/program.cpp ([bloaty-ci-verify-string]) should
produce a sticky comment showing the regression on both arm-bare_metal
and arm-zephyr-preset.
Do not merge. Will be force-pushed for additional test cases.