Comment on Measuring Latency in Linux (2014)parentComments−BeeOnRope6ySo do gettimeofday and the various clock_gettime methods [1] hit the vDSO on GCP, or do they incur a syscall, or something else?---[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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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.