A thorough introduction to bpftrace
Brendan Gregg
AUGUST 18, 2019
bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. bpftrace uses BPF (Berkeley Packet Filter), an in-kernel execution engine that processes a virtual instruction set. The probe is BEGIN , a special probe that runs at the beginning of the program (like awk).
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