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v$osstat

Need to know the OS stat on your database instance run,

>select * from v$osstat;

STAT_NAME VALUE OSSTAT_ID
---------------------------------------------------------------- ---------- ----------
NUM_CPUS 2 0
IDLE_TIME 29455741 1
BUSY_TIME 1188689 2
USER_TIME 281504 3
SYS_TIME 907185 4
AVG_IDLE_TIME 14725324 7
AVG_BUSY_TIME 9.2234E+18 8
AVG_USER_TIME 138792 9
AVG_SYS_TIME 9.2234E+18 10
RSRC_MGR_CPU_WAIT_TIME 0 14
NUM_CPU_CORES 2 16
PHYSICAL_MEMORY_BYTES 3707600896 1008
VM_IN_BYTES 8948338688 1009
VM_OUT_BYTES 441057280 1010
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