1PTRACE_EVENT_FORK
2PTRACE_EVENT_VFORK
3PTRACE_EVENT_CLONE
4PTRACE_EVENT_EXEC
5PTRACE_EVENT_VFORK_DONE
6PTRACE_EVENT_EXIT
7PTRACE_EVENT_SECCOMP
8PTRACE_EVENT_STOP
9/* tile */
10PTRACE_EVENT_MIGRATE
11