attach_kprobe($ebpf->get_syscall_fnname("clone"),"hello"); # header printf("%-18s %-16s %-6s %s\n", "TIME(s)", "COMM", "PID", "MESSAGE"); # format output while (true) { try { list($task, $pid, $cpu, $flags, $ts, $msg) =$ebpf->trace_fields(); printf("%-18.9f %-16s %-6d %s\n", $ts, $task, $pid, $msg); flush(); } catch (Exception $e) { continue; } }