{"id":455,"date":"2016-02-27T10:52:08","date_gmt":"2016-02-27T02:52:08","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=455"},"modified":"2016-02-27T10:52:08","modified_gmt":"2016-02-27T02:52:08","slug":"linux%e4%b8%8b%e7%90%86%e8%a7%a3cpu%e7%b3%bb%e7%bb%9f%e8%b4%9f%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/fuwuqi\/linux%e4%b8%8b%e7%90%86%e8%a7%a3cpu%e7%b3%bb%e7%bb%9f%e8%b4%9f%e8%bd%bd\/","title":{"rendered":"Linux\u4e0b\u7406\u89e3cpu\u7cfb\u7edf\u8d1f\u8f7d"},"content":{"rendered":"<p>\u4e00\u3001\u67e5\u770b\u7cfb\u7edf\u8d1f\u8377<\/p>\n<p>\u5982\u679c\u4f60\u7684\u7535\u8111\u5f88\u6162\uff0c\u4f60\u6216\u8bb8\u60f3\u67e5\u770b\u4e00\u4e0b\uff0c\u5b83\u7684\u5de5\u4f5c\u91cf\u662f\u5426\u592a\u5927\u4e86\u3002<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u4e00\u822c\u4f7f\u7528uptime\u547d\u4ee4\u67e5\u770b\uff08w\u547d\u4ee4\u548ctop\u547d\u4ee4\u4e5f\u884c\uff09\u3002\uff08\u53e6\u5916\uff0c\u5b83\u4eec\u5728\u82f9\u679c\u516c\u53f8\u7684Mac\u7535\u8111\u4e0a\u4e5f\u9002\u7528\u3002\uff09<\/p>\n<p>\u4f60\u5728\u7ec8\u7aef\u7a97\u53e3\u952e\u5165uptime\uff0c\u7cfb\u7edf\u4f1a\u8fd4\u56de\u4e00\u884c\u4fe1\u606f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645611.png\" alt=\"\" width=\"500\" height=\"115\" \/><\/p>\n<p>\u8fd9\u884c\u4fe1\u606f\u7684\u540e\u534a\u90e8\u5206\uff0c\u663e\u793a&#8221;load average&#8221;\uff0c\u5b83\u7684\u610f\u601d\u662f&#8221;\u7cfb\u7edf\u7684\u5e73\u5747\u8d1f\u8377&#8221;\uff0c\u91cc\u9762\u6709\u4e09\u4e2a\u6570\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e2d\u5224\u65ad\u7cfb\u7edf\u8d1f\u8377\u662f\u5927\u8fd8\u662f\u5c0f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645612.png\" alt=\"\" width=\"581\" vspace=\"5\" 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average&#8221;\u7684\u503c\u8d8a\u4f4e\uff0c\u6bd4\u5982\u7b49\u4e8e0.2\u62160.3\uff0c\u5c31\u8bf4\u660e\u7535\u8111\u7684\u5de5\u4f5c\u91cf\u8d8a\u5c0f\uff0c\u7cfb\u7edf\u8d1f\u8377\u6bd4\u8f83\u8f7b\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u4ec0\u4e48\u65f6\u5019\u80fd\u770b\u51fa\u7cfb\u7edf\u8d1f\u8377\u6bd4\u8f83\u91cd\u5462\uff1f\u7b49\u4e8e1\u7684\u65f6\u5019\uff0c\u8fd8\u662f\u7b49\u4e8e0.5\u6216\u7b49\u4e8e1.5\u7684\u65f6\u5019\uff1f\u5982\u679c1\u5206\u949f\u30015\u5206\u949f\u300115\u5206\u949f\u4e09\u4e2a\u503c\u4e0d\u4e00\u6837\uff0c\u600e\u4e48\u529e\uff1f<\/p>\n<p>\u4e8c\u3001\u4e00\u4e2a\u7c7b\u6bd4<\/p>\n<p>\u5224\u65ad\u7cfb\u7edf\u8d1f\u8377\u662f\u5426\u8fc7\u91cd\uff0c\u5fc5\u987b\u7406\u89e3load average\u7684\u771f\u6b63\u542b\u4e49\u3002\u4e0b\u9762\uff0c\u6211\u6839\u636e&#8221;Understanding Linux CPU Load&#8221;\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c1d\u8bd5\u7528\u6700\u901a\u4fd7\u7684\u8bed\u8a00\uff0c\u89e3\u91ca\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5047\u8bbe\u6700\u7b80\u5355\u7684\u60c5\u51b5\uff0c\u4f60\u7684\u7535\u8111\u53ea\u6709\u4e00\u4e2aCPU\uff0c\u6240\u6709\u7684\u8fd0\u7b97\u90fd\u5fc5\u987b\u7531\u8fd9\u4e2aCPU\u6765\u5b8c\u6210\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u4e0d\u59a8\u628a\u8fd9\u4e2aCPU\u60f3\u8c61\u6210\u4e00\u5ea7\u5927\u6865\uff0c\u6865\u4e0a\u53ea\u6709\u4e00\u6839\u8f66\u9053\uff0c\u6240\u6709\u8f66\u8f86\u90fd\u5fc5\u987b\u4ece\u8fd9\u6839\u8f66\u9053\u4e0a\u901a\u8fc7\u3002\uff08\u5f88\u663e\u7136\uff0c\u8fd9\u5ea7\u6865\u53ea\u80fd\u5355\u5411\u901a\u884c\u3002\uff09<\/p>\n<p>\u7cfb\u7edf\u8d1f\u8377\u4e3a0\uff0c\u610f\u5473\u7740\u5927\u6865\u4e0a\u4e00\u8f86\u8f66\u4e5f\u6ca1\u6709\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645613.png\" alt=\"\" width=\"300\" height=\"69\" \/><\/p>\n<p>\u7cfb\u7edf\u8d1f\u8377\u4e3a0.5\uff0c\u610f\u5473\u7740\u5927\u6865\u4e00\u534a\u7684\u8def\u6bb5\u6709\u8f66\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645614.png\" alt=\"\" width=\"300\" height=\"71\" \/><\/p>\n<p>\u7cfb\u7edf\u8d1f\u8377\u4e3a1.0\uff0c\u610f\u5473\u7740\u5927\u6865\u7684\u6240\u6709\u8def\u6bb5\u90fd\u6709\u8f66\uff0c\u4e5f\u5c31\u662f\u8bf4\u5927\u6865\u5df2\u7ecf&#8221;\u6ee1&#8221;\u4e86\u3002\u4f46\u662f\u5fc5\u987b\u6ce8\u610f\u7684\u662f\uff0c\u76f4\u5230\u6b64\u65f6\u5927\u6865\u8fd8\u662f\u80fd\u987a\u7545\u901a\u884c\u7684\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645615.png\" alt=\"\" width=\"300\" height=\"69\" \/><\/p>\n<p>\u7cfb\u7edf\u8d1f\u8377\u4e3a1.7\uff0c\u610f\u5473\u7740\u8f66\u8f86\u592a\u591a\u4e86\uff0c\u5927\u6865\u5df2\u7ecf\u88ab\u5360\u6ee1\u4e86\uff08100%\uff09\uff0c\u540e\u9762\u7b49\u7740\u4e0a\u6865\u7684\u8f66\u8f86\u4e3a\u6865\u9762\u8f66\u8f86\u768470%\u3002\u4ee5\u6b64\u7c7b\u63a8\uff0c\u7cfb\u7edf\u8d1f\u83772.0\uff0c\u610f\u5473\u7740\u7b49\u5f85\u4e0a\u6865\u7684\u8f66\u8f86\u4e0e\u6865\u9762\u7684\u8f66\u8f86\u4e00\u6837\u591a\uff1b\u7cfb\u7edf\u8d1f\u83773.0\uff0c\u610f\u5473\u7740\u7b49\u5f85\u4e0a\u6865\u7684\u8f66\u8f86\u662f\u6865\u9762\u8f66\u8f86\u76842\u500d\u3002\u603b\u4e4b\uff0c\u5f53\u7cfb\u7edf\u8d1f\u8377\u5927\u4e8e1\uff0c\u540e\u9762\u7684\u8f66\u8f86\u5c31\u5fc5\u987b\u7b49\u5f85\u4e86\uff1b\u7cfb\u7edf\u8d1f\u8377\u8d8a\u5927\uff0c\u8fc7\u6865\u5c31\u5fc5\u987b\u7b49\u5f97\u8d8a\u4e45\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645616.png\" alt=\"\" width=\"425\" height=\"72\" \/><\/p>\n<p>CPU\u7684\u7cfb\u7edf\u8d1f\u8377\uff0c\u57fa\u672c\u4e0a\u7b49\u540c\u4e8e\u4e0a\u9762\u7684\u7c7b\u6bd4\u3002\u5927\u6865\u7684\u901a\u884c\u80fd\u529b\uff0c\u5c31\u662fCPU\u7684\u6700\u5927\u5de5\u4f5c\u91cf\uff1b\u6865\u6881\u4e0a\u7684\u8f66\u8f86\uff0c\u5c31\u662f\u4e00\u4e2a\u4e2a\u7b49\u5f85CPU\u5904\u7406\u7684\u8fdb\u7a0b\uff08process\uff09\u3002<\/p>\n<p>\u5982\u679cCPU\u6bcf\u5206\u949f\u6700\u591a\u5904\u7406100\u4e2a\u8fdb\u7a0b\uff0c\u90a3\u4e48\u7cfb\u7edf\u8d1f\u83770.2\uff0c\u610f\u5473\u7740CPU\u5728\u8fd91\u5206\u949f\u91cc\u53ea\u5904\u740620\u4e2a\u8fdb\u7a0b\uff1b\u7cfb\u7edf\u8d1f\u83771.0\uff0c\u610f\u5473\u7740CPU\u5728\u8fd91\u5206\u949f\u91cc\u6b63\u597d\u5904\u7406100\u4e2a\u8fdb\u7a0b\uff1b\u7cfb\u7edf\u8d1f\u83771.7\uff0c\u610f\u5473\u7740\u9664\u4e86CPU\u6b63\u5728\u5904\u7406\u7684100\u4e2a\u8fdb\u7a0b\u4ee5\u5916\uff0c\u8fd8\u670970\u4e2a\u8fdb\u7a0b\u6b63\u6392\u961f\u7b49\u7740CPU\u5904\u7406\u3002<\/p>\n<p>\u4e3a\u4e86\u7535\u8111\u987a\u7545\u8fd0\u884c\uff0c\u7cfb\u7edf\u8d1f\u8377\u6700\u597d\u4e0d\u8981\u8d85\u8fc71.0\uff0c\u8fd9\u6837\u5c31\u6ca1\u6709\u8fdb\u7a0b\u9700\u8981\u7b49\u5f85\u4e86\uff0c\u6240\u6709\u8fdb\u7a0b\u90fd\u80fd\u7b2c\u4e00\u65f6\u95f4\u5f97\u5230\u5904\u7406\u3002\u5f88\u663e\u7136\uff0c1.0\u662f\u4e00\u4e2a\u5173\u952e\u503c\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u503c\uff0c\u7cfb\u7edf\u5c31\u4e0d\u5728\u6700\u4f73\u72b6\u6001\u4e86\uff0c\u4f60\u8981\u52a8\u624b\u5e72\u9884\u4e86\u3002<\/p>\n<p>\u4e09\u3001\u7cfb\u7edf\u8d1f\u8377\u7684\u7ecf\u9a8c\u6cd5\u5219<\/p>\n<p>1.0\u662f\u7cfb\u7edf\u8d1f\u8377\u7684\u7406\u60f3\u503c\u5417\uff1f<\/p>\n<p>\u4e0d\u4e00\u5b9a\uff0c\u7cfb\u7edf\u7ba1\u7406\u5458\u5f80\u5f80\u4f1a\u7559\u4e00\u70b9\u4f59\u5730\uff0c\u5f53\u8fd9\u4e2a\u503c\u8fbe\u52300.7\uff0c\u5c31\u5e94\u5f53\u5f15\u8d77\u6ce8\u610f\u4e86\u3002\u7ecf\u9a8c\u6cd5\u5219\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p>\u5f53\u7cfb\u7edf\u8d1f\u8377\u6301\u7eed\u5927\u4e8e0.7\uff0c\u4f60\u5fc5\u987b\u5f00\u59cb\u8c03\u67e5\u4e86\uff0c\u95ee\u9898\u51fa\u5728\u54ea\u91cc\uff0c\u9632\u6b62\u60c5\u51b5\u6076\u5316\u3002<\/p>\n<p>\u5f53\u7cfb\u7edf\u8d1f\u8377\u6301\u7eed\u5927\u4e8e1.0\uff0c\u4f60\u5fc5\u987b\u52a8\u624b\u5bfb\u627e\u89e3\u51b3\u529e\u6cd5\uff0c\u628a\u8fd9\u4e2a\u503c\u964d\u4e0b\u6765\u3002<\/p>\n<p>\u5f53\u7cfb\u7edf\u8d1f\u8377\u8fbe\u52305.0\uff0c\u5c31\u8868\u660e\u4f60\u7684\u7cfb\u7edf\u6709\u5f88\u4e25\u91cd\u7684\u95ee\u9898\uff0c\u957f\u65f6\u95f4\u6ca1\u6709\u54cd\u5e94\uff0c\u6216\u8005\u63a5\u8fd1\u6b7b\u673a\u4e86\u3002\u4f60\u4e0d\u5e94\u8be5\u8ba9\u7cfb\u7edf\u8fbe\u5230\u8fd9\u4e2a\u503c\u3002<\/p>\n<p>\u56db\u3001\u591a\u5904\u7406\u5668<\/p>\n<p>\u4e0a\u9762\uff0c\u6211\u4eec\u5047\u8bbe\u4f60\u7684\u7535\u8111\u53ea\u67091\u4e2aCPU\u3002\u5982\u679c\u4f60\u7684\u7535\u8111\u88c5\u4e862\u4e2aCPU\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u60c5\u51b5\u5462\uff1f<\/p>\n<p>2\u4e2aCPU\uff0c\u610f\u5473\u7740\u7535\u8111\u7684\u5904\u7406\u80fd\u529b\u7ffb\u4e86\u4e00\u500d\uff0c\u80fd\u591f\u540c\u65f6\u5904\u7406\u7684\u8fdb\u7a0b\u6570\u91cf\u4e5f\u7ffb\u4e86\u4e00\u500d\u3002<\/p>\n<p>\u8fd8\u662f\u7528\u5927\u6865\u6765\u7c7b\u6bd4\uff0c\u4e24\u4e2aCPU\u5c31\u610f\u5473\u7740\u5927\u6865\u6709\u4e24\u6839\u8f66\u9053\u4e86\uff0c\u901a\u8f66\u80fd\u529b\u7ffb\u500d\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.linuxidc.com\/upload\/2016_02\/160201103645617.png\" alt=\"\" width=\"300\" height=\"90\" \/><\/p>\n<p>\u6240\u4ee5\uff0c2\u4e2aCPU\u8868\u660e\u7cfb\u7edf\u8d1f\u8377\u53ef\u4ee5\u8fbe\u52302.0\uff0c\u6b64\u65f6\u6bcf\u4e2aCPU\u90fd\u8fbe\u5230100%\u7684\u5de5\u4f5c\u91cf\u3002\u63a8\u5e7f\u5f00\u6765\uff0cn\u4e2aCPU\u7684\u7535\u8111\uff0c\u53ef\u63a5\u53d7\u7684\u7cfb\u7edf\u8d1f\u8377\u6700\u5927\u4e3an.0\u3002<\/p>\n<p>\u4e94\u3001\u591a\u6838\u5904\u7406\u5668<\/p>\n<p>\u82af\u7247\u5382\u5546\u5f80\u5f80\u5728\u4e00\u4e2aCPU\u5185\u90e8\uff0c\u5305\u542b\u591a\u4e2aCPU\u6838\u5fc3\uff0c\u8fd9\u88ab\u79f0\u4e3a\u591a\u6838CPU\u3002<\/p>\n<p>\u5728\u7cfb\u7edf\u8d1f\u8377\u65b9\u9762\uff0c\u591a\u6838CPU\u4e0e\u591aCPU\u6548\u679c\u7c7b\u4f3c\uff0c\u6240\u4ee5\u8003\u8651\u7cfb\u7edf\u8d1f\u8377\u7684\u65f6\u5019\uff0c\u5fc5\u987b\u8003\u8651\u8fd9\u53f0\u7535\u8111\u6709\u51e0\u4e2aCPU\u3001\u6bcf\u4e2aCPU\u6709\u51e0\u4e2a\u6838\u5fc3\u3002\u7136\u540e\uff0c\u628a\u7cfb\u7edf\u8d1f\u8377\u9664\u4ee5\u603b\u7684\u6838\u5fc3\u6570\uff0c\u53ea\u8981\u6bcf\u4e2a\u6838\u5fc3\u7684\u8d1f\u8377\u4e0d\u8d85\u8fc71.0\uff0c\u5c31\u8868\u660e\u7535\u8111\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<p>\u600e\u4e48\u77e5\u9053\u7535\u8111\u6709\u591a\u5c11\u4e2aCPU\u6838\u5fc3\u5462\uff1f<\/p>\n<p>&#8220;cat \/proc\/cpuinfo&#8221;\u547d\u4ee4\uff0c\u53ef\u4ee5\u67e5\u770bCPU\u4fe1\u606f\u3002&#8221;grep -c &#8216;model name&#8217; \/proc\/cpuinfo&#8221;\u547d\u4ee4\uff0c\u76f4\u63a5\u8fd4\u56deCPU\u7684\u603b\u6838\u5fc3\u6570\u3002<\/p>\n<p>\u5982\uff1a<\/p>\n<p>****** CPU Information ******<\/p>\n<p>cpu \u578b\u53f7\uff1a 40 Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz<\/p>\n<p>\u903b\u8f91cpu\u4e2a\u6570 : 40<\/p>\n<p>\u7269\u7406cpu\u4e2a\u6570 : 2<\/p>\n<p>\u6bcf\u4e2a\u7269\u7406CPU\u5185\u6838\u4e2a\u6570 : 10\u00a0 \u00a0 &#8212;-\u5f53load\u4e0d\u8d85\u8fc720\u5c31\u8868\u793a\u7535\u8111\u8fd0\u884c\u6b63\u5e38<\/p>\n<p>(\u662f\u5426\u652f\u6301\u8d85\u7ebf\u7a0b \u5927\u4e8e1\u8868\u793a\u652f\u6301) : 2<\/p>\n<p>\u5185\u5b58\u5927\u5c0f\uff1a64375 M<\/p>\n<p>*****************************<\/p>\n<p>[root@HaoDai_App_DB01 toolsqldir]# uptime<\/p>\n<p>10:02:08 up 207 days, 5:51, 1 user, load average: 6.37, 5.34, 4.93<\/p>\n<p>\u516d\u3001\u6700\u4f73\u89c2\u5bdf\u65f6\u957f<\/p>\n<p>\u6700\u540e\u4e00\u4e2a\u95ee\u9898\uff0c&#8221;load average&#8221;\u4e00\u5171\u8fd4\u56de\u4e09\u4e2a\u5e73\u5747\u503c&#8212;-1\u5206\u949f\u7cfb\u7edf\u8d1f\u8377\u30015\u5206\u949f\u7cfb\u7edf\u8d1f\u8377\uff0c15\u5206\u949f\u7cfb\u7edf\u8d1f\u8377\uff0c&#8212;-\u5e94\u8be5\u53c2\u8003\u54ea\u4e2a\u503c\uff1f<\/p>\n<p>\u5982\u679c\u53ea\u67091\u5206\u949f\u7684\u7cfb\u7edf\u8d1f\u8377\u5927\u4e8e1.0\uff0c\u5176\u4ed6\u4e24\u4e2a\u65f6\u95f4\u6bb5\u90fd\u5c0f\u4e8e1.0\uff0c\u8fd9\u8868\u660e\u53ea\u662f\u6682\u65f6\u73b0\u8c61\uff0c\u95ee\u9898\u4e0d\u5927\u3002<\/p>\n<p>\u5982\u679c15\u5206\u949f\u5185\uff0c\u5e73\u5747\u7cfb\u7edf\u8d1f\u8377\u5927\u4e8e1.0\uff08\u8c03\u6574CPU\u6838\u5fc3\u6570\u4e4b\u540e\uff09\uff0c\u8868\u660e\u95ee\u9898\u6301\u7eed\u5b58\u5728\uff0c\u4e0d\u662f\u6682\u65f6\u73b0\u8c61\u3002\u6240\u4ee5\uff0c\u4f60\u5e94\u8be5\u4e3b\u8981\u89c2\u5bdf&#8221;15\u5206\u949f\u7cfb\u7edf\u8d1f\u8377&#8221;\uff0c\u5c06\u5b83\u4f5c\u4e3a\u7535\u8111\u6b63\u5e38\u8fd0\u884c\u7684\u6307\u6807<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u67e5\u770b\u7cfb\u7edf\u8d1f\u8377 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