Phase 0 / Hotfix / Scheduler livelock investigation#15

Merged

guysenpai merged 33 commits into

mainfrom

phase-0/hotfix/scheduler-livelock-investigation

May 24, 2026

Commits on May 23, 2026

docs(brief): add M0.2.1 milestone brief
guysenpai
committed
docs(brief): confirm specs read for M0.2.1
guysenpai
committed
docs(brief): activate M0.2.1
guysenpai
committed
docs(brief): record E1 diff analysis and hypothesis ranking
guysenpai
committed
docs(brief): journal update E1 precisions
guysenpai
committed
test(ecs): add livelock dump helper and 5s watchdog harness
guysenpai
committed
test(ecs): add steady-state stress variant and test-stress build step
guysenpai
committed
docs(brief): record E2 implementation observation and stop criteria
guysenpai
committed
docs(brief): record E2 deviations — repro target 50%, H6 added
guysenpai
committed
test(stress): add CPU oversubscription to no_alloc_steady_state_stress
guysenpai
committed
test(stress): add process forks to no_alloc_steady_state_stress
guysenpai
committed
test(stress): add fs IO contention to no_alloc_steady_state_stress
guysenpai
committed
docs(brief): record E2bis measurements and B-E2bis-1 blocker
guysenpai
committed
test(stress): remove stress test from default test_step
guysenpai
committed
docs(brief): close E2bis and revise E7 validation plan
guysenpai
committed
docs(brief): record E3 static analysis findings and B-E3-1 blocker
guysenpai
committed
docs(brief): close E3 static and add E2ter runtime assertion
guysenpai
committed
perf(jobs): instrument scheduler with E2ter over-decrement assertion
guysenpai
committed
docs(brief): record E2ter outcome and E3 root cause R1 confirmation
guysenpai
committed
docs(brief): close E3+E4 — R1 confirmed, plan A atomic packing
guysenpai
committed
fix(jobs): pack gen+n atomic to fix wave-lifecycle race
guysenpai
committed
fix(jobs): add dispatcher pending_count invariant assert
guysenpai
committed
docs(brief): journal update E5 — fix applied
guysenpai
committed
fix(jobs): comptime guard against false sharing in scheduler
guysenpai
committed
chore(bench): add E6 thermal-aware orchestrator script for S1 and C0.1
guysenpai
committed
fix(bench): v2 of E6 orchestrator — enforced idle, correct regex
guysenpai
committed
docs(bench): archive E6 thermal-aware reports for S1 and C0.1
guysenpai
committed
docs(brief): journal update E6 — S1 and C0.1 thermal-aware GO
guysenpai
committed
docs(bench): annotate C0.1 delta vs M0.1 baseline for investigation
guysenpai
committed

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Phase 0 / Hotfix / Scheduler livelock investigation#15

Phase 0 / Hotfix / Scheduler livelock investigation#15
guysenpai merged 33 commits into
mainfrom
phase-0/hotfix/scheduler-livelock-investigation

Commits on May 23, 2026

docs(brief): add M0.2.1 milestone brief

docs(brief): confirm specs read for M0.2.1

docs(brief): activate M0.2.1

docs(brief): record E1 diff analysis and hypothesis ranking

docs(brief): journal update E1 precisions

test(ecs): add livelock dump helper and 5s watchdog harness

test(ecs): add steady-state stress variant and test-stress build step

docs(brief): record E2 implementation observation and stop criteria

docs(brief): record E2 deviations — repro target 50%, H6 added

test(stress): add CPU oversubscription to no_alloc_steady_state_stress

test(stress): add process forks to no_alloc_steady_state_stress

test(stress): add fs IO contention to no_alloc_steady_state_stress

docs(brief): record E2bis measurements and B-E2bis-1 blocker

test(stress): remove stress test from default test_step

docs(brief): close E2bis and revise E7 validation plan

docs(brief): record E3 static analysis findings and B-E3-1 blocker

docs(brief): close E3 static and add E2ter runtime assertion

perf(jobs): instrument scheduler with E2ter over-decrement assertion

docs(brief): record E2ter outcome and E3 root cause R1 confirmation

docs(brief): close E3+E4 — R1 confirmed, plan A atomic packing

fix(jobs): pack gen+n atomic to fix wave-lifecycle race

fix(jobs): add dispatcher pending_count invariant assert

docs(brief): journal update E5 — fix applied

fix(jobs): comptime guard against false sharing in scheduler

chore(bench): add E6 thermal-aware orchestrator script for S1 and C0.1

fix(bench): v2 of E6 orchestrator — enforced idle, correct regex

docs(bench): archive E6 thermal-aware reports for S1 and C0.1

docs(brief): journal update E6 — S1 and C0.1 thermal-aware GO

docs(bench): annotate C0.1 delta vs M0.1 baseline for investigation

Commits on May 24, 2026

docs(brief): record E7 results and fill Notes de fin

docs(brief): close M0.2.1

docs(claude-md): update for M0.2.1

docs: apply CLAUDE.md learnings from M0.2.1 review