fix(test): a grandchild need not win a whole core #71

2026-09-15T18:38:22+02:00

mi commented

2026-09-15 18:38:22 +02:00

Scenario#67.01 asserted the measured processor time in whole seconds, so
it demanded a full core for a full second. On mih09, building at the same
time, the busy loop gets a fraction of one — a correct measurement that
truncates to zero, and it turned main red after PR#70.

Milliseconds with a 300 ms threshold: still two orders of magnitude above
what the waiting root shell itself costs, so the proof that the descent
into the tree works is unchanged. PR#68 made the same correction to the
sibling scenario and left this one behind.

Co-Authored-By: Claude Opus 5 noreply@anthropic.com

Scenario#67.01 asserted the measured processor time in whole seconds, so it demanded a full core for a full second. On mih09, building at the same time, the busy loop gets a fraction of one — a correct measurement that truncates to zero, and it turned main red after PR#70. Milliseconds with a 300 ms threshold: still two orders of magnitude above what the waiting root shell itself costs, so the proof that the descent into the tree works is unchanged. PR#68 made the same correction to the sibling scenario and left this one behind. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

mi added 1 commit 2026-09-15 18:38:23 +02:00

fix(test): a grandchild need not win a whole core

werkator build succeeded after 02:35

Details

b66d9a77c2

Scenario#67.01 asserted the measured processor time in whole seconds, so
it demanded a full core for a full second. On mih09, building at the same
time, the busy loop gets a fraction of one — a correct measurement that
truncates to zero, and it turned main red after PR#70.

Milliseconds with a 300 ms threshold: still two orders of magnitude above
what the waiting root shell itself costs, so the proof that the descent
into the tree works is unchanged. PR#68 made the same correction to the
sibling scenario and left this one behind.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

mi merged commit 1e4181b59e into main

2026-09-15 18:38:28 +02:00

mi deleted branch cpu-test-threshold

2026-09-15 18:38:28 +02:00

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Reference: mi/werkator#71