Script to create memory tracepoints doesn't work on Arch Linux

When attempting to run the script provided by the "Create Memory Trace Points" menu option, there are three main problems on Arch Linux:
1. The call to find for libc.so.6 fails since /lib is a symlink. To work around this, you can use /lib/ for the path instead.
2. The non-inlined _ret functions are decorated automatically by the call to perf probe, likely due to the %return in the function name, causing match_tracepoints to incorrectly delete valid entries.
3. Some entries queried with perf probe -l have multiple lines, which break finding the "bad" probes that are deleted in match_tracepoints.