Man pages matching name probe::stap.cache_add_nss in section 3stap:

probe::stap.cache_add_nss.3stap.en	debian 10 / systemtap-doc
probe::stap.cache_add_nss.3stap.en	debian 11 / systemtap-doc
probe::stap.cache_add_nss.3stap.en	debian 12 / systemtap-doc