CPU Core 수 확인

# Command

$ grep "physical id" /proc/cpuinfo | sort -u | wc -l

or

$ su - 

$ which dmidecode

/usr/sbin/dmidecode 

# Shell Script

$ ps -ef | grep -v "grep" | grep "java" | awk '{print $2}' | while read PID; do echo "$PID" && cat /proc/$PID/status |egrep "VmRSS" ; done