Ever wondered what actually happens when you use '@ = count()' in bpftrace? What's happening when you use the hist or any other internal call? How many bpf maps are used and how much you slow down the system? I'll describe the bpftrace constructs and how they are translated to eBPF instructions. I'll also introduce some of the new features like BTF support.
Jiri works for RedHat full time on Linux as kernel generalist engineer in Brno office, Czech Republicech Republic. He currently divides his work time between upstream perf work and maintaining RHEL perf.
Saturday January 25, 2020 4:00pm - 4:55pm CET
E112Faculty of Information Technology Brno University of Technology, Božetěchova, Brno-Královo Pole, Czechia
