[TRTLLM-12838][infra] CBTS: coverage-based test selection - #16776

Merged

crazydemo merged 35 commits into

NVIDIA:mainfrom

crazydemo:cbts-coverage-selector

Aug 19, 2026

Commits on Aug 19, 2026

[TRTLLM-12838][infra] CBTS: coverage-based test selection (Tier 2 selector)
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6798d87
[TRTLLM-12838][infra] CBTS: key coverage selection on stage family
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8a9ea56
[TRTLLM-12838][infra] CBTS: treat Ray stages as untrusted coverage
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170b2de
[TRTLLM-12838][infra] CBTS: record which coverage DB build a decision used
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f65363c
[TRTLLM-12838][infra] CBTS: align coverage_explain with selector safety gates
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3edc41a
[TRTLLM-12838][infra] CBTS: drop unused RuleResult.detail
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8db2bd2
[TRTLLM-12838][infra] CBTS: fix import order in the coverage selection modules
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885d3e4
[TRTLLM-12838][infra] CBTS: always run CPU stages, and fix their gpu-count mako
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f6945f1
[TRTLLM-12838][infra] CBTS: bound import-executed changes by file, or decline
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45cd2c2
[TRTLLM-12838][infra] CBTS: select the coverage DB by revision, and record its lag
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35f9dd3
[TRTLLM-12838][infra] CBTS: fetch core-file diffs, and forward enable_multi_gpu
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53b9fea
[TRTLLM-12838][infra] CBTS: bound files whose patch the API omitted, and count them
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a9f5a9b
[TRTLLM-12838][infra] CBTS: use the DB's own completeness signal, and four review fixes
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d5f95f2
[TRTLLM-12838][infra] CBTS: bound closure changes the same way as import-time ones
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da7a44d
[TRTLLM-12838][infra] CBTS: condense the coverage-selection comments to one line
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8c8f0fd
[TRTLLM-12838][infra] CBTS: document the coverage tier and refresh the READMEs
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c6f1279
[TRTLLM-12838][infra] CBTS: measure coverage-DB lag via the forge compare API
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6e637d4
[TRTLLM-12838][infra] CBTS: make the compare API authoritative for the DB lag
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58c2759
[TRTLLM-12838][infra] CBTS: drop the local-git path for the coverage-DB lag
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ed2cf98
[TRTLLM-12838][infra] CBTS: drop artifact.py's unused download entry points
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8741f8a
[TRTLLM-12838][infra] CBTS: condense artifact.py's header and the audit comment
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f4b587d
[TRTLLM-12838][infra] CBTS: say the audit lag is measured against main
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66dae86
[TRTLLM-12838][infra] CBTS: gate the coverage tier on the touch DB's freshness
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8e2eb7f
[TRTLLM-12838][infra] CBTS: fail closed on import-executed changes
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ea65c2b
[TRTLLM-12838][infra] CBTS: a comment-only diff impacts nothing
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36ecd14
[TRTLLM-12838][infra] CBTS: keep the freshness gate out of dry-run replays
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dd8f518
[TRTLLM-12838][infra] CBTS: point COLLECTION.md at what the import gap now costs
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ac8a601
[TRTLLM-12838][infra] CBTS: gate coverage freshness on the PR's base, not main's tip
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3773747
[TRTLLM-12838][infra] CBTS: pass the coverage DB's selection JSON through, not six flags
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915f085
[TRTLLM-12838][infra] CBTS: fetch the coverage DB in Python, not in the pipeline
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dc0e287
[TRTLLM-12838][infra] CBTS: hand back artifact.py's paths instead of repacking them
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d203a28
[TRTLLM-12838][infra] CBTS: drop the import-section break a stray local dir provoked
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dac0c9d
drift tolerance change to 10
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4a9cbe3
[TRTLLM-12838][infra] Move CBTS filtering out of launchTestJobs
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a8032b5
[TRTLLM-12838][infra] CBTS: disable coverage tier by default
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03a7302