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Enhance fio benchmark to measure latency, IOPs and bandwidth #551

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Enhance fio benchmark to measure latency, IOPs and bandwidth #551

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@echiugoog echiugoog commented Nov 13, 2025 •
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(branched off of #549)
FIO benchmark updated to use a job file and output in JSON

  • JSON struct is mostly complete, but parts of it are not implemented and silently dropped
  • Benchmark takes approx 2m to run (4 x 30s jobs) + file layout time
  • Different jobs to measure random rw IOPs (4k block) vs Bandwidth (more jobs, 1M blocks)
  • limitations
    • very limited number of queue depths tested to limit time needed to measure device
    • use of single randrw job to get read/write IOPs/bandwidth

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@harp-intel harp-intel Awaiting requested review from harp-intel harp-intel is a code owner

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