A thorough introduction to bpftrace
Brendan Gregg
AUGUST 18, 2019
hardware Hardware counter-based instrumentation. There are also two modes visible, one between 1 and 2 milliseconds, and another between 8 and 16 milliseconds: this sounds like cache hits and cache misses. There are often two modes, one for device cache hits and one for cache misses, which can be shown by this tool.
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