The Speed of Time
Brendan Gregg
SEPTEMBER 25, 2021
CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). Over the years, more and more articles have been published about clocksource in virtual machines, and it's now a well-known issue. include <sys/time.h>
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