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A comment on A 40-line fix eliminated a 400x performance gap. Parent comment

Re:A 40-line fix eliminated a 400x performance gap by touisteur on Wednesday January 14, 2026 @02:48AM (#46613421)
Oh for some time after its introduction, CLOCK_MONOTONIC_RAW wasn't vDSO'd and it took some time and syscall profiling ('huh, why do I see these as syscalls in perf record -e syscalls' ...) to understand what was going on.
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