Man pages matching name papif_set_cmp_granularity in section 3:

PAPIF_set_cmp_granularity.3.en	debian 10 / libpapi-dev
PAPIF_set_cmp_granularity.3.en	debian 11 / libpapi-dev
PAPIF_set_cmp_granularity.3.en	debian 12 / libpapi-dev