SQL> select * from v$osstat; STAT_NAME VALUE OSSTAT_ID COMMENTS CUM ---------------------------------------- ---------- ---------- ---------------------------------------------------------------- --- NUM_CPUS 40 0 Number of active CPUs NO IDLE_TIME 6.5569E+10 1 Time (centi-secs) that CPUs have been in the idle state YES BUSY_TIME 381611751 2 Time (centi-secs) that CPUs have been in the busy state YES USER_TIME 256753313 3 Time (centi-secs) spent in user code YES SYS_TIME 123624519 4 Time (centi-secs) spent in the kernel YES IOWAIT_TIME 23786444 5 Time (centi-secs) spent waiting for IO YES NICE_TIME 10088 6 Time (centi-secs) spend in low-priority user code YES RSRC_MGR_CPU_WAIT_TIME 59 14 Time (centi-secs) processes spent in the runnable state waiting YES LOAD .059570313 15 Number of processes running or waiting on the run queue NO NUM_CPU_CORES 20 16 Number of CPU cores NO NUM_CPU_SOCKETS 2 17 Number of physical CPU sockets NO PHYSICAL_MEMORY_BYTES 1.0142E+11 1008 Physical memory size in bytes NO VM_IN_BYTES 0 1009 Bytes paged in due to virtual memory swapping YES VM_OUT_BYTES 0 1010 Bytes paged out due to virtual memory swapping YES TCP_SEND_SIZE_MIN 4096 2000 TCP Send Buffer Min Size NO TCP_SEND_SIZE_DEFAULT 16384 2001 TCP Send Buffer Default Size NO TCP_SEND_SIZE_MAX 4194304 2002 TCP Send Buffer Max Size NO TCP_RECEIVE_SIZE_MIN 4096 2003 TCP Receive Buffer Min Size NO TCP_RECEIVE_SIZE_DEFAULT 87380 2004 TCP Receive Buffer Default Size NO TCP_RECEIVE_SIZE_MAX 4194304 2005 TCP Receive Buffer Max Size NO GLOBAL_SEND_SIZE_MAX 1048576 2006 Global send size max (net.core.wmem_max) NO GLOBAL_RECEIVE_SIZE_MAX 4194304 2007 Global receive size max (net.core.rmem_max) NO 22 rows selected. SQL>