The Speed of Time
Brendan Gregg
SEPTEMBER 25, 2021
Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? I happened to be speaking at a technical confering while still debugging this, and mentioned what I was working on to a processor engineer. Microbenchmark os::javaTimeMillis() on both systems. Try changing the kernel clocksource.
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