GV$SHARED_SERVER_MONITOR definition in Oracle Database 11.2
GV$SHARED_SERVER_MONITOR
select
inst_id, -- INST_ID NUMBER
kmmsgcmx, -- MAXIMUM_CONNECTIONS NUMBER
kmmsgmmx, -- MAXIMUM_SESSIONS NUMBER
kmmsgsta, -- SERVERS_STARTED NUMBER
kmmsgtrm, -- SERVERS_TERMINATED NUMBER
kmmsgsmx -- SERVERS_HIGHWATER NUMBER
from
x$kmmsg