{"id":52073,"date":"2024-12-03T12:19:39","date_gmt":"2024-12-03T04:19:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52073\/"},"modified":"2024-12-03T12:19:39","modified_gmt":"2024-12-03T04:19:39","slug":"linux%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%adcpu%e6%98%af%e5%87%a0%e6%a0%b8%e5%87%a0%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52073\/","title":{"rendered":"linux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b"},"content":{"rendered":"

<\/b> <\/p>\n

linux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b<\/h1>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300alinux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<\/p>\n

\n

\u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528grep\u547d\u4ee4\u6765\u67e5\u770bCPU\u7684\u6838\u5fc3\u6570\u548c\u7ebf\u7a0b\u6570\uff0c\u8fdb\u800c\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\uff1b\u67e5\u770bCPU\u6838\u5fc3\u6570\u7684\u8bed\u6cd5\u201cgrep ‘core id’ \/proc\/cpuinfo | sort -u | wc -l\u201d\uff0c\u67e5\u770bCPU\u7ebf\u7a0b\u6570\u7684\u8bed\u6cd5\u201cgrep ‘processor’ \/proc\/cpuinfo | sort -u | wc -l\u201d\u3002<\/p>\n<\/blockquote>\n

\u67e5\u770b\u51e0\u6838\u51e0\u7ebf\u7a0b\uff0c\u5c31\u662f\u67e5\u770bCPU\u7684\u7269\u7406\u6838\u5fc3\u6570\u548c\u7ebf\u7a0b\u6570\u3002<\/p>\n

    \n
  • \n

    cpu\u4e2a\u6570<\/strong> \u662f\u6307\u7269\u7406\u4e0acpu\u7684\u4e2a\u6570\u3002<\/p>\n<\/li>\n

  • \n

    cpu\u6838\u5fc3\u6570<\/strong>\u662f\u6307\u7269\u7406\u4e0a\uff0c\u4e5f\u5c31\u662f\u786c\u4ef6\u4e0a\u5b58\u5728\u7740\u51e0\u4e2a\u6838\u5fc3\u3002\u6bd4\u5982\uff0c\u53cc\u6838\u5c31\u662f\u5305\u62ec2\u4e2a\u76f8\u5bf9\u72ec\u7acb\u7684CPU\u6838\u5fc3\u5355\u5143\u7ec4\uff0c\u56db\u6838\u5c31\u5305\u542b4\u4e2a\u76f8\u5bf9\u72ec\u7acb\u7684CPU\u6838\u5fc3\u5355\u5143\u7ec4\u3002<\/p>\n<\/li>\n

  • \n

    cpu\u7ebf\u7a0b\u6570<\/strong> \u662f\u4e00\u79cd\u903b\u8f91\u4e0a\u7684\u6982\u5ff5\uff0c\u7b80\u5355\u5730\u8bf4\uff0c\u5c31\u662f\u6a21\u62df\u51fa\u7684CPU\u6838\u5fc3\u6570\u3002<\/p>\n

    \u6bd4\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u7269\u7406\u7684CPU\u6838\u5fc3\u6a21\u62df\u51fa2\u7ebf\u7a0b\u7684CPU\u3002\u4e00\u4e2a\u7269\u7406\u7684CPU\u6838\u5fc3\u6700\u5c11\u5bf9\u5e94\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u4f46\u901a\u8fc7\u8d85\u7ebf\u7a0b\u6280\u672f\uff0c\u4e00\u4e2a\u6838\u5fc3\u53ef\u4ee5\u5bf9\u5e94\u4e24\u4e2a\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u53ef\u4ee5\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u7ebf\u7a0b\u3002<\/p>\n

    CPU\u7684\u7ebf\u7a0b\u6570\u6982\u5ff5\u4ec5\u4ec5\u53ea\u9488\u5bf9Intel\u7684CPU\u624d\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u662f\u901a\u8fc7Intel\u8d85\u7ebf\u7a0b\u6280\u672f\u6765\u5b9e\u73b0\u7684\uff0c\u6700\u65e9\u5e94\u7528\u5728Pentium4\u4e0a\u3002\u5982\u679c\u6ca1\u6709\u8d85\u7ebf\u7a0b\u6280\u672f\uff0c\u4e00\u4e2aCPU\u6838\u5fc3\u5bf9\u5e94\u4e00\u4e2a\u7ebf\u7a0b\u3002\u5bf9\u4e8eAMD\u5904\u7406\u5668\u800c\u8a00,\u6ca1\u6709\u8d85\u7ebf\u7a0b\u7684\u6982\u5ff5,\u7ebf\u7a0b\u6570\u548c\u6838\u5fc3\u6570\u76f8\u540c,\u6240\u4ee5\u5728AMD\u7684CPU\u53c2\u6570\u4e0a\u662f\u6ca1\u6709\u5199\u51fa\u7ebf\u7a0b\u6570\u7684\u3002<\/p>\n<\/li>\n<\/ul>\n

    \n

    \u7efc\u4e0a\uff0c\u8fd9\u4e2a\u516c\u5f0f\u6210\u7acb\uff1a
    \u7269\u7406cpu\u4e2a\u6570 * \u6bcf\u4e2a\u7269\u7406cpu\u4e2dcore\u7684\u4e2a\u6570 * \u8d85\u7ebf\u7a0b\u6570 = \u603b\u7ebf\u7a0b\u6570\uff08\u4e5f\u5373\u903b\u8f91CPU\u7684\u4e2a\u6570\uff09<\/p>\n<\/blockquote>\n

    linux\u67e5\u770b\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\u7684\u65b9\u6cd5<\/strong><\/p>\n

    \u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528grep\u547d\u4ee4\u6765\u67e5\u770bCPU\u7684\u6838\u5fc3\u6570\u548c\u7ebf\u7a0b\u6570\u3002<\/p>\n

    1\u3001CPU\u4e2a\u6570<\/p>\n

    cat \/proc\/cpuinfo| grep \"physical id\"| sort| uniq| wc -l<\/pre>\n
    2\u3001\u6bcf\u4e2aCPU\u7684\u6838\u5fc3\u6570<\/p>\n
    grep 'core id' \/proc\/cpuinfo | sort -u | wc -l<\/pre>\n
    3\u3001\u7ebf\u7a0b\u6570<\/p>\n
    grep 'processor' \/proc\/cpuinfo | sort -u | wc -l<\/pre>\n
    \"linux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\u63d2\u56fe\"<\/p>\n
    \u6b64\u670d\u52a1\u5668\u67094\u4e2aCPU\uff0c\u6bcf\u4e2aCPU\u67094\u4e2a\u6838\u5fc3\uff0c\u6bcf\u4e2a\u6838\u5fc3\u53ea\u67091\u4e2a\u7ebf\u7a0b\uff0c\u6240\u4ee5\u7ebf\u7a0b\u6570\u4e3a16\u3002<\/p>\n
    \u5982\u679c\u7ebf\u7a0b\u6570\u662f32\uff0c\u90a3\u4e48\u6bcf\u4e2aCPU\u6838\u5fc3\u7684\u7ebf\u7a0b\u6570=32\u00f74\u00f74\uff0c\u7ed3\u679c\u4e3a2<\/p>\n
    \u6269\u5c55\u77e5\u8bc6\uff1agrep\u547d\u4ee4\u4ecb\u7ecd<\/strong><\/p>\n
    grep \u547d\u4ee4\u7684\u7531\u6765\u53ef\u4ee5\u8ffd\u6eaf\u5230 UNIX \u8bde\u751f\u7684\u65e9\u671f\uff0c\u5728 UNIX \u7cfb\u7edf\u4e2d\uff0c\u641c\u7d22\u7684\u6a21\u5f0f\uff08patterns\uff09\u88ab\u79f0\u4e3a\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regular expressions\uff09\uff0c\u4e3a\u4e86\u8981\u5f7b\u5e95\u641c\u7d22\u4e00\u4e2a\u6587\u4ef6\uff0c\u6709\u7684\u7528\u6237\u5728\u8981\u641c\u7d22\u7684\u5b57\u7b26\u4e32\u524d\u52a0\u4e0a\u524d\u7f00 global\uff08\u5168\u9762\u7684\uff09\uff0c\u4e00\u65e6\u627e\u5230\u76f8\u5339\u914d\u7684\u5185\u5bb9\uff0c\u7528\u6237\u5c31\u50cf\u5c06\u5176\u8f93\u51fa\uff08print\uff09\u5230\u5c4f\u5e55\u4e0a\uff0c\u800c\u5c06\u8fd9\u4e00\u7cfb\u5217\u7684\u64cd\u4f5c\u6574\u5408\u5230\u4e00\u8d77\u5c31\u662f global regular expressions print\uff0c\u800c\u8fd9\u4e5f\u5c31\u662f grep \u547d\u4ee4\u7684\u5168\u79f0\u3002<\/p>\n
    grep\u547d\u4ee4\u80fd\u591f\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u6587\u4ef6\u4e2d\uff0c\u641c\u7d22\u67d0\u4e00\u7279\u5b9a\u7684\u5b57\u7b26\u6a21\u5f0f\uff08\u4e5f\u5c31\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\uff09\uff0c\u6b64\u6a21\u5f0f\u53ef\u4ee5\u662f\u5355\u4e00\u7684\u5b57\u7b26\u3001\u5b57\u7b26\u4e32\u3001\u5355\u8bcd\u6216\u53e5\u5b50\u3002<\/p>\n
    grep \u547d\u4ee4\u662f\u7528\u6765\u5728\u6bcf\u4e00\u4e2a\u6587\u4ef6\u6216\u4e2d\uff08\u6216\u7279\u5b9a\u8f93\u51fa\u4e0a\uff09\u641c\u7d22\u7279\u5b9a\u7684\u6a21\u5f0f\uff0c\u5f53\u4f7f\u7528 grep \u65f6\uff0c\u5305\u542b\u6307\u5b9a\u5b57\u7b26\u6a21\u5f0f\u7684\u6bcf\u4e00\u884c\u5185\u5bb9\uff0c\u90fd\u4f1a\u88ab\u6253\u5370\uff08\u663e\u793a\uff09\u5230\u5c4f\u5e55\u4e0a\uff0c\u4f46\u662f\u4f7f\u7528 grep \u547d\u4ee4\u5e76\u4e0d\u6539\u53d8\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n
    grep \u547d\u4ee4\u7684\u57fa\u672c\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n
    grep [\u9009\u9879] \u6a21\u5f0f \u6587\u4ef6\u540d<\/pre>\n
    \u8fd9\u91cc\u7684\u6a21\u5f0f\uff0c\u8981\u4e48\u662f\u5b57\u7b26\uff08\u4e32\uff09\uff0c\u8981\u4e48\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u800c\u6b64\u547d\u4ee4\u5e38\u7528\u7684\u9009\u9879\u4ee5\u53ca\u5404\u81ea\u7684\u542b\u4e49\u5982\u8868 1 \u6240\u793a\u3002<\/p>\n  \u8868 1 grep \u547d\u4ee4\u5e38\u7528\u9009\u9879\u53ca\u542b\u4e49  <\/p>\n\n\n\n\n\n\n\n\n
    \u9009\u9879<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n
    -c<\/td>\n\u4ec5\u5217\u51fa\u6587\u4ef6\u4e2d\u5305\u542b\u6a21\u5f0f\u7684\u884c\u6570\u3002<\/td>\n<\/tr>\n
    -i<\/td>\n\u5ffd\u7565\u6a21\u5f0f\u4e2d\u7684\u5b57\u6bcd\u5927\u5c0f\u5199\u3002<\/td>\n<\/tr>\n
    -l<\/td>\n\u5217\u51fa\u5e26\u6709\u5339\u914d\u884c\u7684\u6587\u4ef6\u540d\u3002<\/td>\n<\/tr>\n
    -n<\/td>\n\u5728\u6bcf\u4e00\u884c\u7684\u6700\u524d\u9762\u5217\u51fa\u884c\u53f7\u3002<\/td>\n<\/tr>\n
    -v<\/td>\n\u5217\u51fa\u6ca1\u6709\u5339\u914d\u6a21\u5f0f\u7684\u884c\u3002<\/td>\n<\/tr>\n
    -w<\/td>\n\u628a\u8868\u8fbe\u5f0f\u5f53\u505a\u4e00\u4e2a\u5b8c\u6574\u7684\u5355\u5b57\u7b26\u6765\u641c\u5bfb\uff0c\u5ffd\u7565\u90a3\u4e9b\u90e8\u5206\u5339\u914d\u7684\u884c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u6ce8\u610f\uff0c\u5982\u679c\u662f\u641c\u7d22\u591a\u4e2a\u6587\u4ef6\uff0cgrep \u547d\u4ee4\u7684\u641c\u7d22\u7ed3\u679c\u53ea\u663e\u793a\u6587\u4ef6\u4e2d\u53d1\u73b0\u5339\u914d\u6a21\u5f0f\u7684\u6587\u4ef6\u540d\uff1b\u800c\u5982\u679c\u641c\u7d22\u5355\u4e2a\u6587\u4ef6\uff0cgrep \u547d\u4ee4\u7684\u7ed3\u679c\u5c06\u663e\u793a\u6bcf\u4e00\u4e2a\u5305\u542b\u5339\u914d\u6a21\u5f0f\u7684\u884c\u3002<\/p>\n
    grep \u547d\u4ee4\u7684\u529f\u80fd\u975e\u5e38\u5f3a\u5927\uff0c\u901a\u8fc7\u5229\u7528\u5b83\u7684\u4e0d\u540c\u9009\u9879\u4ee5\u53ca\u53d8\u5316\u4e07\u5343\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u83b7\u53d6\u4efb\u4f55\u6211\u4eec\u6240\u9700\u8981\u7684\u4fe1\u606f\u3002<\/p>\n
    \u6587\u4e2d\u5173\u4e8eLinux,CPU\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300alinux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    linux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b \u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300alinux\u5982\u4f55\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002 \u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528grep\u547d\u4ee4\u6765\u67e5\u770bCPU\u7684\u6838\u5fc3\u6570\u548c\u7ebf\u7a0b\u6570\uff0c\u8fdb\u800c\u5224\u65adCPU\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\uff1b\u67e5\u770bCPU\u6838\u5fc3\u6570\u7684\u8bed\u6cd5\u201cgrep ‘core id’ \/proc\/cpuinfo | sort -u | wc -l\u201d\uff0c\u67e5\u770bCPU\u7ebf\u7a0b\u6570\u7684\u8bed\u6cd5\u201cgrep ‘processor’ \/proc\/cpuinfo | sort -u | wc -l\u201d\u3002 \u67e5\u770b\u51e0\u6838\u51e0\u7ebf\u7a0b\uff0c\u5c31\u662f\u67e5\u770bCPU\u7684\u7269\u7406\u6838\u5fc3\u6570\u548c\u7ebf\u7a0b\u6570\u3002 cpu\u4e2a\u6570 \u662f\u6307\u7269\u7406\u4e0acpu\u7684\u4e2a\u6570\u3002 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CPU\u7684\u7ebf\u7a0b\u6570\u6982\u5ff5\u4ec5\u4ec5\u53ea\u9488\u5bf9Intel\u7684CPU\u624d\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u662f\u901a\u8fc7Intel\u8d85\u7ebf\u7a0b\u6280\u672f\u6765\u5b9e\u73b0\u7684\uff0c\u6700\u65e9\u5e94\u7528\u5728Pentium4\u4e0a\u3002\u5982\u679c\u6ca1\u6709\u8d85\u7ebf\u7a0b\u6280\u672f\uff0c\u4e00\u4e2aCPU\u6838\u5fc3\u5bf9\u5e94\u4e00\u4e2a\u7ebf\u7a0b\u3002\u5bf9\u4e8eAMD\u5904\u7406\u5668\u800c\u8a00,\u6ca1\u6709\u8d85\u7ebf\u7a0b\u7684\u6982\u5ff5,\u7ebf\u7a0b\u6570\u548c\u6838\u5fc3\u6570\u76f8\u540c,\u6240\u4ee5\u5728AMD\u7684CPU\u53c2\u6570\u4e0a\u662f\u6ca1\u6709\u5199\u51fa\u7ebf\u7a0b\u6570\u7684\u3002 \u7efc\u4e0a\uff0c\u8fd9\u4e2a\u516c\u5f0f\u6210\u7acb\uff1a\u7269\u7406cpu\u4e2a\u6570 * \u6bcf\u4e2a\u7269\u7406cpu\u4e2dcore\u7684\u4e2a\u6570 * \u8d85\u7ebf\u7a0b\u6570 = \u603b\u7ebf\u7a0b\u6570\uff08\u4e5f\u5373\u903b\u8f91CPU\u7684\u4e2a\u6570\uff09 linux\u67e5\u770b\u662f\u51e0\u6838\u51e0\u7ebf\u7a0b\u7684\u65b9\u6cd5 \u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528grep\u547d\u4ee4\u6765\u67e5\u770bCPU\u7684\u6838\u5fc3\u6570\u548c\u7ebf\u7a0b\u6570\u3002 1\u3001CPU\u4e2a\u6570 cat \/proc\/cpuinfo| grep “physical id”| sort| uniq| wc -l 2\u3001\u6bcf\u4e2aCPU\u7684\u6838\u5fc3\u6570 grep ‘core id’ \/proc\/cpuinfo | sort -u | wc -l 3\u3001\u7ebf\u7a0b\u6570 grep ‘processor’ \/proc\/cpuinfo | sort -u | wc -l \u6b64\u670d\u52a1\u5668\u67094\u4e2aCPU\uff0c\u6bcf\u4e2aCPU\u67094\u4e2a\u6838\u5fc3\uff0c\u6bcf\u4e2a\u6838\u5fc3\u53ea\u67091\u4e2a\u7ebf\u7a0b\uff0c\u6240\u4ee5\u7ebf\u7a0b\u6570\u4e3a16\u3002 \u5982\u679c\u7ebf\u7a0b\u6570\u662f32\uff0c\u90a3\u4e48\u6bcf\u4e2aCPU\u6838\u5fc3\u7684\u7ebf\u7a0b\u6570=32\u00f74\u00f74\uff0c\u7ed3\u679c\u4e3a2 \u6269\u5c55\u77e5\u8bc6\uff1agrep\u547d\u4ee4\u4ecb\u7ecd grep \u547d\u4ee4\u7684\u7531\u6765\u53ef\u4ee5\u8ffd\u6eaf\u5230 UNIX \u8bde\u751f\u7684\u65e9\u671f\uff0c\u5728 UNIX 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