GV$HS_AGENT definition in Oracle Database 10.2 / www.oracledba.ru
GV$HS_AGENT
select
unique INST_ID, -- INST_ID NUMBER
AGENT_ID, -- AGENT_ID NUMBER
MACHINE, -- MACHINE VARCHAR2(64)
PROCESS, -- PROCESS VARCHAR2(9)
PROGRAM, -- PROGRAM VARCHAR2(48)
OSUSER, -- OSUSER VARCHAR2(30)
AGT_STARTTIME, -- STARTTIME DATE
AGENT_TYPE, -- AGENT_TYPE NUMBER
decode -- FDS_CLASS_ID NUMBER
(AGENT_TYPE, 1, to_number (NULL), FDS_CLASS_ID),
decode -- FDS_INST_ID NUMBER
(AGENT_TYPE, 1, to_number (NULL), FDS_INST_ID)
from
X$HS_SESSION