A thorough introduction to bpftrace
Brendan Gregg
AUGUST 18, 2019
For example, iostat(1), or a monitoring agent, may tell you your average disk latency, but not the distribution of this latency. For smaller environments, it can be of more use helping eliminate latency outliers. The probe is BEGIN , a special probe that runs at the beginning of the program (like awk). There's no filter.
68 
Let's personalize your content