Performance Tuning, Linux Kernel, Distributed Systems.
from bcc-tools to libbpf-tools. Fortunately, during the switch, we got guidance from him, Brendan, and Yonghong Song (the BTF project’s leader). We’ve converted 18 BCC or bpftrace tools to libbpf + BPF CO-RE, and we’re using them in our company. For example, when we analyzed the I/O performance of