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16 lines
1.2 KiB
JSON
16 lines
1.2 KiB
JSON
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{
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"title": "Fix HZ-as-CPU off-by-one in usage_report and restore the native helper",
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"objective": "The usage report must attribute CPU time from atop's utime/stime columns, not its HZ field. Success means short-lived, near-zero-CPU processes (xset, dd, chronyc, sleep) no longer appear in the Top CPU table, real consumers rank correctly, and both the Python parser and the restored native C aggregator agree on the numbers.",
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"acceptance_criteria": [
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"_parse_prc skips the HZ field; xset/dd/chronyc report ~0 CPU-seconds.",
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"The native C helper builds from linux_configuration/C/atop_agg and emits the same CPU figures as the Python path.",
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"A regression test feeds a raw PRC line including the HZ field and fails against the pre-fix indices.",
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"usage_report.py runs end-to-end and the Top CPU table is led by genuine consumers (e.g. SkyrimSE)."
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],
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"out_of_scope": [
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"Rewriting the digital_wellbeing polling daemons that generate the fork storm.",
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"Achieving 100% line coverage of the C helper's defensive OOM/hash-full paths."
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],
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"verifier": "python3 usage_report.py --date 20260604; make test in linux_configuration/C/atop_agg; python3 -m pytest linux_configuration/tests/test_usage_report_since.py"
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}
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