/usr/bin/papi_avail
/usr/bin/papi_clockres
/usr/bin/papi_command_line
/usr/bin/papi_component_avail
/usr/bin/papi_cost
/usr/bin/papi_decode
/usr/bin/papi_error_codes
/usr/bin/papi_event_chooser
/usr/bin/papi_mem_info
/usr/bin/papi_multiplex_cost
/usr/bin/papi_native_avail
/usr/bin/papi_version
/usr/bin/papi_xml_event_info
You may install this package on CentOS with
yum
install papi