处理器数量(机器装了几块cpu处理器)

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

核心数(比如常见的处理器有4核8核)

cat /proc/cpuinfo| grep "cpu cores"| uniq

线程数(逻辑CPU数,比如4核4线程、4核8线程、8核8线程、8核16线程等)

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

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