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PROX snapshot output for VSPERF Intel Pod 12, Node 4 (the Device Under Test, DUT, for the Long Duration and Cross-NUMA Node testing).
In this PROX outputwhich essentially measures the duration of a 1 nanosecond heartbeat, it is clear that something some process is producing fairly frequent interrupts that cause delays in the xxx 10-50 usec and 50-100usec range on core 6.
We can get these statistics on a per-second basis, from a TCP socket - there is syntax to request these stats. (also -k command, Xavier will share scripts which are better).
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