linux中多个cpu查看方法分享 |
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现在机器的cpu越来越复杂,一个cpu,经常是几个内核,4,6,8都不是什么稀罕的事情。 当年我公司购买一台8cpu的AMD服务器,双核,当时看到cpu很壮观,16个cpu。 现在一台普通的2U的服务器,都可能看到这种场景。 http://pla-234IT网络.admon.org/howto/about-cpu-the-logical-and-physical-cores/ There are some ***mands here to help identify these type of information quickly on a running Linux: Total amount of processors including the logical ones: # cat /proc/cpuinfo | grep “processor”| wc -l Total amount of CPU package: # cat /proc/cpuinfo | grep “physical id” | sort | uniq | wc -l How many cores for each CPU. (Here we should call CPU as physical package as we mentioned above): # cat /proc/cpuinfo | grep “cpu cores” | wc -l For each physical CPU, the amount of Logical CPU (the logical CPU can be physical cores, soft cores like threaded, or both). # cat /proc/cpuinfo | grep “siblings” —-想了解更多的linux相关异常处理怎么解决关注234IT>
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