A trace-driven page-cache simulator that models readahead, writeback, memory pressure, and application hints.
A deterministic userspace kernel that runs untrusted processes against virtual files, clocks, sockets, and resource quotas.
A record/replay runtime that captures nondeterministic system-call results and schedules to reproduce native process failures offline.
A capability-scoped userspace driver host with message validation, crash containment, and deterministic virtual devices.
A feedback controller that coordinates caches, heaps, and queues under a shared memory budget using measured reclaim cost.
A trace-analysis engine that infers phase-aware syscall contracts and validates new executions against the smallest stable policy.
A discrete-event CPU scheduler laboratory that explains tail latency under priorities, affinity, preemption, and mixed workloads.
A model checker for real-time task graphs that finds priority inversions and tests inheritance and ceiling protocols.
A userspace runtime that snapshots a constrained process and restores it across intentionally different virtual machine layouts.
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