tracexec uses BPF to some extent, but probably not in the way you guessed. it uses ptrace to do most of the work and use seccomp-bpf to speed it up. Using eBPF

tracexec uses BPF to some extent, but probably not in the way you guessed. it uses ptrace to do most of the work and use seccomp-bpf to speed it up. Using eBPF to do the syscall filtering requires root, so that's a reason for me to choose ptrace. And credits to the strace developers: https://pchaigno.github.io/strace/2019/10/02/introducing-strace-seccomp-bpf.html https://pchaigno.github.io/strace/2019/10/02/introducing-str...