OSTEP Ch. 21 homework: memory bandwidth and swapping observed with vmstat

Watch paging activity and the collapse in memory bandwidth as a loop’s working set grows past available memory.

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The exercise happens on OSTEP homework. Canonical link: https://github.com/remzi-arpacidusseau/ostep-homework/tree/master/vm-beyondphys. Link check: not checked (5 Oct 2026). Opened from this app 0 times; opening is not counted as an attempt.

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Supports: Needs a Linux machine or VM with swap configured; connects page faults and thrashing to observable counters.

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