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Re:Measuring Latency in Linux (2014) by BeeOnRope on Thursday February 27, 2020 @10:20PM (#22440231)
So do gettimeofday and the various clock_gettime methods [1] hit the vDSO on GCP, or do they incur a syscall, or something else?

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[1] Not all of the clock_gettime sources hit the vDSO even on bare metal Linux on typical x86 hardware, but many of the important ones do.

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