Linux查看物理CPU个数、核数，逻辑CPU个数，linux个数

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Release： 2016-06-16 09:16:27

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Linux查看物理CPU个数、核数，逻辑CPU个数，linux个数

　学习swoole的时候，建议开启的worker进程数为cpu核数的1-4倍。于是就学习怎么查看CPU核数

# 查看物理CPU个数
cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l

# 查看每个物理CPU核数
cat /proc/cpuinfo| grep "cpu cores"| uniq

# 查看逻辑CPU个数
cat /proc/cpuinfo| grep "processor"| wc -l<br /><br /># 查看CPU信息（型号）<br />cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

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