{"id":2748,"date":"2017-09-28T11:17:18","date_gmt":"2017-09-28T03:17:18","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2748"},"modified":"2017-09-28T11:17:18","modified_gmt":"2017-09-28T03:17:18","slug":"linux%e6%9f%a5%e7%9c%8b%e7%89%a9%e7%90%86cpu%e4%b8%aa%e6%95%b0%e3%80%81%e6%a0%b8%e6%95%b0%e3%80%81%e9%80%bb%e8%be%91cpu%e4%b8%aa%e6%95%b0","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux%e6%9f%a5%e7%9c%8b%e7%89%a9%e7%90%86cpu%e4%b8%aa%e6%95%b0%e3%80%81%e6%a0%b8%e6%95%b0%e3%80%81%e9%80%bb%e8%be%91cpu%e4%b8%aa%e6%95%b0\/","title":{"rendered":"Linux\u67e5\u770b\u7269\u7406CPU\u4e2a\u6570\u3001\u6838\u6570\u3001\u903b\u8f91CPU\u4e2a\u6570"},"content":{"rendered":"

# \u603b\u6838\u6570 = \u7269\u7406CPU\u4e2a\u6570 X \u6bcf\u9897\u7269\u7406CPU\u7684\u6838\u6570<\/p>\n

# \u603b\u903b\u8f91CPU\u6570 = \u7269\u7406CPU\u4e2a\u6570 X \u6bcf\u9897\u7269\u7406CPU\u7684\u6838\u6570 X \u8d85\u7ebf\u7a0b\u6570<\/p>\n

 <\/p>\n

# \u67e5\u770b\u7269\u7406CPU\u4e2a\u6570cat\u00a0\/proc\/cpuinfo| grep\u00a0“physical id”| sort| uniq| wc\u00a0-l<\/p>\n

 <\/p>\n

# \u67e5\u770b\u6bcf\u4e2a\u7269\u7406CPU\u4e2dcore\u7684\u4e2a\u6570(\u5373\u6838\u6570)cat\u00a0\/proc\/cpuinfo| grep\u00a0“cpu cores”| uniq<\/p>\n

 <\/p>\n

# \u67e5\u770b\u903b\u8f91CPU\u7684\u4e2a\u6570cat\u00a0\/proc\/cpuinfo| grep\u00a0“processor”| wc\u00a0-l<\/p>\n

    \n
  1. \u67e5\u770bCPU\u7684\u4e3b\u9891
    \n#cat \/proc\/cpuinfo |grep MHz|uniq<\/li>\n<\/ol>\n

     <\/p>\n

    #\u00a0uname -a<\/b><\/strong><\/p>\n

    Linux euis1 2.6.9-55.ELsmp #1 SMP Fri Apr 20 17:03:35 EDT 2007 i686 i686 i386 GNU\/Linux<\/p>\n

    (\u67e5\u770b\u5f53\u524d\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u4fe1\u606f)<\/p>\n

     <\/p>\n

    #\u00a0cat \/etc\/issue | grep Linux<\/b><\/strong><\/p>\n

    Red Hat Enterprise Linux AS release 4 (Nahant Update 5)<\/p>\n

    (\u67e5\u770b\u5f53\u524d\u64cd\u4f5c\u7cfb\u7edf\u53d1\u884c\u7248\u4fe1\u606f)<\/p>\n

     <\/p>\n

    #\u00a0cat \/proc\/cpuinfo | grep name | cut -f2 -d: | uniq -c<\/b><\/strong><\/p>\n

    8\u00a0\u00a0Intel(R) Xeon(R) CPU\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 E5410\u00a0\u00a0 @ 2.33GHz<\/p>\n

    (\u770b\u5230\u67098\u4e2a\u903b\u8f91CPU, \u4e5f\u77e5\u9053\u4e86CPU\u578b\u53f7)<\/p>\n

     <\/p>\n

    #\u00a0cat \/proc\/cpuinfo | grep physical | uniq -c<\/b><\/strong><\/p>\n

    4\u00a0physical id\u00a0\u00a0\u00a0\u00a0\u00a0 : 0<\/p>\n

    4\u00a0physical id\u00a0\u00a0\u00a0\u00a0\u00a0 : 1<\/p>\n

    (\u8bf4\u660e\u5b9e\u9645\u4e0a\u662f\u4e24\u98974\u6838\u7684CPU)<\/p>\n

     <\/p>\n

    #\u00a0getconf LONG_BIT<\/b><\/strong><\/p>\n

    32<\/p>\n

    (\u8bf4\u660e\u5f53\u524dCPU\u8fd0\u884c\u572832bit\u6a21\u5f0f\u4e0b, \u4f46\u4e0d\u4ee3\u8868CPU\u4e0d\u652f\u630164bit)<\/p>\n

     <\/p>\n

    #\u00a0cat \/proc\/cpuinfo | grep flags | grep ‘ lm ‘ | wc -l<\/b><\/strong><\/p>\n

    8<\/p>\n

    (\u7ed3\u679c\u5927\u4e8e0, \u8bf4\u660e\u652f\u630164bit\u8ba1\u7b97. lm\u6307long mode, \u652f\u6301lm\u5219\u662f64bit)<\/p>\n

     <\/p>\n

     <\/p>\n

     <\/p>\n

     <\/p>\n

     <\/p>\n

    \u5982\u4f55\u83b7\u5f97CPU\u7684\u8be6\u7ec6\u4fe1\u606f\uff1a<\/b><\/strong><\/p>\n

    linux\u547d\u4ee4\uff1acat \/proc\/cpuinfo<\/p>\n

    \u7528\u547d\u4ee4\u5224\u65ad\u51e0\u4e2a\u7269\u7406CPU\uff0c\u51e0\u4e2a\u6838\u7b49\uff1a<\/b><\/strong><\/p>\n

    \u903b\u8f91CPU\u4e2a\u6570\uff1a
    \n# cat \/proc\/cpuinfo | grep “processor” | wc -l<\/p>\n

    \u7269\u7406CPU\u4e2a\u6570\uff1a
    \n# cat \/proc\/cpuinfo | grep “physical id” | sort | uniq | wc -l<\/p>\n

    \u6bcf\u4e2a\u7269\u7406CPU\u4e2dCore\u7684\u4e2a\u6570\uff1a
    \n# cat \/proc\/cpuinfo | grep “cpu cores” | wc -l<\/p>\n

    \u662f\u5426\u4e3a\u8d85\u7ebf\u7a0b\uff1f
    \n\u5982\u679c\u6709\u4e24\u4e2a\u903b\u8f91CPU\u5177\u6709\u76f8\u540c\u7684\u201dcore id\u201d\uff0c\u90a3\u4e48\u8d85\u7ebf\u7a0b\u662f\u6253\u5f00\u7684\u3002<\/p>\n

    \u6bcf\u4e2a\u7269\u7406CPU\u4e2d\u903b\u8f91CPU(\u53ef\u80fd\u662fcore, threads\u6216both)\u7684\u4e2a\u6570\uff1a
    \n# cat \/proc\/cpuinfo | grep “siblings”<\/p>\n

     <\/p>\n","protected":false},"excerpt":{"rendered":"

    # \u603b\u6838\u6570 = \u7269\u7406CPU\u4e2a\u6570 X \u6bcf\u9897\u7269\u7406CPU\u7684\u6838\u6570 # \u603b\u903b\u8f91CPU\u6570 = \u7269\u7406CPU\u4e2a\u6570 X \u6bcf\u9897\u7269\u7406 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49,5],"tags":[782,38],"class_list":["post-2748","post","type-post","status-publish","format-standard","hentry","category-linux","category-jishu","tag-cpu","tag-linux"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=2748"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2748\/revisions"}],"predecessor-version":[{"id":2749,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2748\/revisions\/2749"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}