[$] Comparing SystemTap and bpftrace

There are times when developers and system administrators need to diagnoseproblems in running code. The program to be examined can be a user-spaceprocess, the kernel, or both. Two of the major tools available on Linux toperform this sort of analysis areSystemTap andbpftrace. SystemTap has been availablesince 2005, while bpftrace is a more recent contender that, to some,may appear tohave made SystemTap obsolete. However, SystemTap is still the preferredtool forsome real-world use cases.