A 40-line fix eliminated a 400x performance gap

Re:A 40-line fix eliminated a 400x performance gap by ot on Tuesday January 13, 2026 @07:48PM (#46610846)

If you look below the vDSO frame, there is still a syscall. I think that the vDSO implementation is missing a fast path for this particular clock id (it could be implemented though).

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Re:A 40-line fix eliminated a 400x performance gap by jerrinot on Tuesday January 13, 2026 @07:49PM (#46610854)

Exactly this.

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