linux
物理: cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l

逻辑: cat /proc/cpuinfo | grep "processor" | wc -l

solaris10
物理和逻辑: psrinfo -pv

aix5
物理: smtctl | grep threads | wc -l
prtconf | grep "Number Of Processors" | awk -F: '{print $2}'

逻辑: bindprocessor -q

hpux11
物理: lsdev -C | grep Processes | wc -l
echo runningprocs/D | adb -k /stand/vmunix /dev/mem

freebsd6
物理：
逻辑： dmesg | grep /SMP | awk -F: '{print $3}' | awk '{print $1}'

[@more@]

ITPub博客

【转】各系统下查看cpu物理和逻辑个数