{"id":187,"date":"2012-03-28T10:06:43","date_gmt":"2012-03-28T02:06:43","guid":{"rendered":"http:\/\/www.sulabs.net\/?p=187"},"modified":"2017-03-20T18:06:36","modified_gmt":"2017-03-20T10:06:36","slug":"linux%e7%b3%bb%e7%bb%9f%e8%b5%84%e6%ba%90%e7%9b%91%e6%8e%a7%e5%91%bd%e4%bb%a4vmstat-mpstat-sar-iostat-top","status":"publish","type":"post","link":"https:\/\/www.sulabs.net\/?p=187","title":{"rendered":"Linux\u7cfb\u7edf\u8d44\u6e90\u76d1\u63a7\u547d\u4ee4(vmstat mpstat sar iostat top)"},"content":{"rendered":"<p>\u6587\u7ae0\u8f6c\u81ea<a href=\"http:\/\/www.cnblogs.com\/dkblog\">http:\/\/www.cnblogs.com\/dkblog<\/a><br \/>\nvmstat mpstat sar iostat top \u51e0\u4e2a\u547d\u4ee4\u7684\u8be6\u89e3\uff0c\u5bf9\u8d1f\u8f7d\u538b\u529b\u6d4b\u8bd5\uff0c\u89e3\u51b3\u95ee\u9898\u5f88\u6709\u5e2e\u52a9<\/p>\n<p>Linux\u7cfb\u7edf\u8d44\u6e90\u7684\u547d\u4ee4:<\/p>\n<p>\u8861\u91cfCPU\u6027\u80fd\u7684\u6307\u6807\uff1a<\/p>\n<p>1\uff0c\u7528\u6237\u4f7f\u7528CPU\u7684\u60c5\u51b5\uff1b CPU\u8fd0\u884c\u5e38\u89c4\u7528\u6237\u8fdb\u7a0b CPU\u8fd0\u884cniced process CPU\u8fd0\u884c\u5b9e\u65f6\u8fdb\u7a0b<\/p>\n<p>2\uff0c\u7cfb\u7edf\u4f7f\u7528CPU\u60c5\u51b5\uff1b \u7528\u4e8eI\/O\u7ba1\u7406\uff1a\u4e2d\u65ad\u548c\u9a71\u52a8 \u7528\u4e8e\u5185\u5b58<a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>\u7ba1\u7406<\/strong><\/a>\uff1a\u9875\u9762\u4ea4\u6362 \u7528\u6237\u8fdb\u7a0b\u7ba1\u7406\uff1a\u8fdb\u7a0b\u5f00\u59cb\u548c\u4e0a\u4e0b\u6587\u5207\u6362<br \/>\n<!--more--><\/p>\n<p>3\uff0cWIO\uff1a\u7528\u4e8e\u8fdb\u7a0b\u7b49\u5f85\u78c1\u76d8I\/O\u800c\u4f7fCPU\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\u7684\u6bd4\u7387\u3002<\/p>\n<p>4\uff0cCPU\u7684\u7a7a\u95f2\u7387\uff0c\u9664\u4e86\u4e0a\u9762\u7684WIO\u4ee5\u5916\u7684\u7a7a\u95f2\u65f6\u95f4<\/p>\n<p>5\uff0cCPU\u7528\u4e8e\u4e0a\u4e0b\u6587\u4ea4\u6362\u7684\u6bd4\u7387<\/p>\n<p>6\uff0cnice<\/p>\n<p>7\uff0creal-time<\/p>\n<p>8\uff0c\u8fd0\u884c\u8fdb\u7a0b\u961f\u5217\u7684\u957f\u5ea6<\/p>\n<p>9\uff0c\u5e73\u5747\u8d1f\u8f7d<\/p>\n<p>Linux\u4e2d\u5e38\u7528\u7684\u76d1\u63a7CPU\u6574\u4f53\u6027\u80fd\u7684\u5de5\u5177\u6709\uff1a<\/p>\n<p>\uf0a7 mpstat\uff1a mpstat \u4e0d\u4f46\u80fd\u67e5\u770b\u6240\u6709CPU\u7684\u5e73\u5747\u4fe1\u606f\uff0c\u8fd8\u80fd\u67e5\u770b\u6307\u5b9aCPU\u7684\u4fe1\u606f\u3002<\/p>\n<p>\uf0a7<a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>vmstat<\/strong><\/a>\uff1a\u53ea\u80fd\u67e5\u770b\u6240\u6709CPU\u7684\u5e73\u5747\u4fe1\u606f\uff1b\u67e5\u770bcpu\u961f\u5217\u4fe1\u606f\uff1b<\/p>\n<p>\uf0a7<a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>iostat<\/strong><\/a>: \u53ea\u80fd\u67e5\u770b\u6240\u6709CPU\u7684\u5e73\u5747\u4fe1\u606f\u3002<\/p>\n<p>\uf0a7<a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>sar<\/strong><\/a>\uff1a\u4e0empstat \u4e00\u6837\uff0c\u4e0d\u4f46\u80fd\u67e5\u770bCPU\u7684\u5e73\u5747\u4fe1\u606f\uff0c\u8fd8\u80fd\u67e5\u770b\u6307\u5b9aCPU\u7684\u4fe1\u606f\u3002<\/p>\n<p>\uf0a7 top\uff1a\u663e\u793a\u7684\u4fe1\u606f\u540cps\u63a5\u8fd1\uff0c\u4f46\u662ftop\u53ef\u4ee5\u4e86\u89e3\u5230CPU\u6d88\u8017\uff0c\u53ef\u4ee5\u6839\u636e\u7528\u6237\u6307\u5b9a\u7684\u65f6\u95f4\u6765\u66f4\u65b0\u663e\u793a\u3002<\/p>\n<p>\u4e0b\u9762\u4e00\u4e00\u4ecb\u7ecd\uff1a<\/p>\n<p><strong>\u4e00\uff0cvmstat<\/strong><\/p>\n<p>[root@localhost ~]#vmstat -n 3 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr> (\u6bcf\u4e2a3\u79d2\u5237\u65b0\u4e00\u6b21\uff09 procs-----------memory--------------------swap-- ----io---- <wbr><wbr>--system---- <wbr><wbr>------cpu-------- r <wbr><wbr>b <wbr><wbr>&nbsp; <wbr><wbr>swpd <wbr><wbr>&nbsp; <wbr><wbr>free <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> buff <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>cache <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> si <wbr><wbr>&nbsp; <wbr><wbr>so <wbr><wbr>&nbsp; <wbr><wbr> bi <wbr><wbr>&nbsp; <wbr><wbr> bo <wbr><wbr>&nbsp; <wbr><wbr>in <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> cs <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>us <wbr><wbr> <wbr><wbr> sy <wbr><wbr> <wbr><wbr> id&nbsp; <wbr><wbr>wa 10 <wbr><wbr>&nbsp; <wbr><wbr> 144 186164 105252 2386848 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> 18 <wbr><wbr>&nbsp; <wbr><wbr>166 <wbr><wbr> <wbr><wbr>83 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr>2 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 48 <wbr><wbr> <wbr><wbr> 21 <wbr><wbr> 31 <wbr><wbr> 0 20 <wbr><wbr>&nbsp; <wbr><wbr> 144 189620 105252 2386848 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr>177 <wbr><wbr> <wbr><wbr>1039 1210 <wbr><wbr> <wbr><wbr> 34 <wbr><wbr> <wbr><wbr> 10 <wbr><wbr> 56 <wbr><wbr> 0 00 <wbr><wbr>&nbsp; <wbr><wbr> 144 214324 105252 2386848 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> 10 <wbr><wbr> <wbr><wbr> <wbr><wbr>1071 <wbr><wbr>&nbsp; <wbr><wbr>670 <wbr><wbr> <wbr><wbr> <wbr><wbr> 32 <wbr><wbr> <wbr><wbr> 5 <wbr><wbr> <wbr><wbr> <wbr><wbr> 63 <wbr><wbr> 0 00 <wbr><wbr>&nbsp; <wbr><wbr> 144 202212 105252 2386848 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr>189 <wbr><wbr> <wbr><wbr> <wbr><wbr>1035 <wbr><wbr>&nbsp; <wbr><wbr>558 <wbr><wbr> <wbr><wbr> <wbr><wbr> 20 <wbr><wbr> <wbr><wbr> 3 <wbr><wbr> <wbr><wbr> <wbr><wbr> 77&nbsp; <wbr><wbr>0 20 <wbr><wbr>&nbsp; <wbr><wbr> 144 158772 105252 2386848 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr>&nbsp; <wbr><wbr>203 <wbr><wbr> <wbr><wbr>1065 2832 <wbr><wbr> <wbr><wbr> <wbr><wbr> 70 <wbr><wbr> 14 <wbr><wbr> 15 <wbr><wbr> 0<\/p>\n<p><strong>\u7ea2\u8272\u5185\u5bb9\u6807\u793aCPU\u76f8\u5173\u7684\u53c2\u6570<\/strong><\/p>\n<div><strong>PROC(ESSES)<\/strong><\/div>\n<div>--r:\u5982\u679c\u5728processes\u4e2d\u8fd0\u884c\u7684\u5e8f\u5217(process <wbr><wbr>r)\u662f\u8fde\u7eed\u7684\u5927\u4e8e\u5728\u7cfb\u7edf\u4e2d\u7684CPU\u7684\u4e2a\u6570\u8868\u793a\u7cfb\u7edf\u73b0\u5728\u8fd0\u884c\u6bd4\u8f83\u6162,\u6709\u591a\u6570\u7684\u8fdb\u7a0b\u7b49\u5f85CPU. \u5982\u679cr\u7684\u8f93\u51fa\u6570\u5927\u4e8e\u7cfb\u7edf\u4e2d\u53ef\u7528CPU\u4e2a\u6570\u76844\u500d\u7684\u8bdd,\u5219\u7cfb\u7edf\u9762\u4e34\u7740CPU\u77ed\u7f3a\u7684\u95ee\u9898,\u6216\u8005\u662fCPU\u7684\u901f\u7387\u8fc7\u4f4e,\u7cfb\u7edf\u4e2d\u6709\u591a\u6570\u7684\u8fdb\u7a0b\u5728\u7b49\u5f85CPU,\u9020\u6210\u7cfb\u7edf\u4e2d\u8fdb\u7a0b\u8fd0\u884c\u8fc7\u6162.<\/div>\n<div>SYSTEM --in:\u6bcf\u79d2\u4ea7\u751f\u7684\u4e2d\u65ad\u6b21\u6570 --cs:\u6bcf\u79d2\u4ea7\u751f\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u6b21\u6570 \u4e0a\u97622\u4e2a\u503c\u8d8a\u5927\uff0c\u4f1a\u770b\u5230\u7531\u5185\u6838\u6d88\u8017\u7684CPU\u65f6\u95f4\u4f1a\u8d8a\u5927<\/div>\n<div>&nbsp;<\/div>\n<div><strong>CPU -us:\u7528\u6237\u8fdb\u7a0b\u6d88\u8017\u7684CPU\u65f6\u95f4\u767e\u5206 us\u7684\u503c\u6bd4\u8f83\u9ad8\u65f6\uff0c\u8bf4\u660e\u7528\u6237\u8fdb\u7a0b\u6d88\u8017\u7684CPU\u65f6\u95f4\u591a\uff0c\u4f46\u662f\u5982\u679c\u957f\u671f\u8d8550%\u7684\u4f7f\u7528\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u8be5\u8003\u8651\u4f18\u5316\u7a0b\u5e8f\u7b97\u6cd5\u6216\u8005\u8fdb\u884c\u52a0\u901f\uff08\u6bd4\u5982PHP\/PERL\uff09 -sy:\u5185\u6838\u8fdb\u7a0b\u6d88\u8017\u7684CPU\u65f6\u95f4\u767e\u5206\u6bd4\uff08sy\u7684\u503c\u9ad8\u65f6\uff0c\u8bf4\u660e\u7cfb\u7edf\u5185\u6838\u6d88\u8017\u7684CPU\u8d44\u6e90\u591a\uff0c\u8fd9\u5e76\u4e0d\u662f\u826f\u6027\u8868\u73b0\uff0c\u6211\u4eec\u5e94\u8be5\u68c0\u67e5\u539f\u56e0\uff09<\/strong><\/div>\n<div>-wa:IO\u7b49\u5f85\u6d88\u8017\u7684CPU\u65f6\u95f4\u767e\u5206\u6bd4 wa\u7684\u503c\u9ad8\u65f6\uff0c\u8bf4\u660eIO\u7b49\u5f85\u6bd4\u8f83\u4e25\u91cd\uff0c\u8fd9\u53ef\u80fd\u7531\u4e8e\u78c1\u76d8\u5927\u91cf\u4f5c\u968f\u673a\u8bbf\u95ee\u9020\u6210\uff0c\u4e5f\u6709\u53ef\u80fd\u78c1\u76d8\u51fa\u73b0\u74f6\u9888\uff08\u5757\u64cd\u4f5c\uff09\u3002 -id:CPU\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\u65f6\u95f4\u767e\u5206\u6bd4,\u5982\u679c\u7a7a\u95f2\u65f6\u95f4(cpu <wbr><wbr>id)\u6301\u7eed\u4e3a0\u5e76\u4e14\u7cfb\u7edf\u65f6\u95f4(cpu <wbr><wbr>sy)\u662f\u7528\u6237\u65f6\u95f4\u7684\u4e24\u500d(cpu <wbr><wbr>us) <wbr><wbr>\u7cfb\u7edf\u5219\u9762\u4e34\u7740CPU\u8d44\u6e90\u7684\u77ed\u7f3a. <wbr><wbr><br \/>\n\u89e3\u51b3\u529e\u6cd5: \u5f53\u53d1\u751f\u4ee5\u4e0a\u95ee\u9898\u7684\u65f6\u5019\u8bf7\u5148\u8c03\u6574\u5e94\u7528\u7a0b\u5e8f\u5bf9CPU\u7684\u5360\u7528\u60c5\u51b5.\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u66f4\u6709\u6548\u7684\u4f7f\u7528CPU.\u540c\u65f6\u53ef\u4ee5\u8003\u8651\u589e\u52a0\u66f4\u591a\u7684CPU. <wbr><wbr> <wbr><wbr>\u5173\u4e8eCPU\u7684\u4f7f\u7528\u60c5\u51b5\u8fd8\u53ef\u4ee5\u7ed3\u5408mpstat, <wbr><wbr> <wbr><wbr>ps <wbr><wbr>aux <wbr><wbr>top <wbr><wbr> <wbr><wbr>prstat <wbr><wbr>\u2013a\u7b49\u7b49\u4e00\u4e9b\u76f8\u5e94\u7684\u547d\u4ee4\u6765\u7efc\u5408\u8003\u8651\u5173\u4e8e\u5177\u4f53\u7684CPU\u7684\u4f7f\u7528\u60c5\u51b5,\u548c\u90a3\u4e9b\u8fdb\u7a0b\u5728\u5360\u7528\u5927\u91cf\u7684CPU\u65f6\u95f4.\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u7684\u95ee\u9898\u4f1a\u6bd4\u8f83\u5927\u4e00\u4e9b.\u6bd4\u5982\u4e00\u4e9b<strong><a href=\"http:\/\/hi.baidu.com\/handenzhou\/blog\/item\/:;\" target=\"_self\"><strong>SQL<\/strong><\/a><\/strong>\u8bed\u53e5\u4e0d\u5408\u7406\u7b49\u7b49\u90fd\u4f1a\u9020\u6210\u8fd9\u6837\u7684\u73b0\u8c61.<\/div>\n<div>&nbsp;<\/div>\n<div>\u4e8c\uff0csar sar [options] [-A] [-o file] t [n]<br \/>\n\u5728\u547d\u4ee4\u884c\u4e2d\uff0cn \u548ct \u4e24\u4e2a\u53c2\u6570\u7ec4\u5408\u8d77\u6765\u5b9a\u4e49\u91c7\u6837\u95f4\u9694\u548c\u6b21\u6570\uff0ct\u4e3a\u91c7\u6837\u95f4\u9694\uff0c\u662f\u5fc5\u987b\u6709 \u7684\u53c2\u6570\uff0cn\u4e3a\u91c7\u6837\u6b21\u6570\uff0c\u662f\u53ef\u9009\u7684\uff0c\u9ed8\u8ba4\u503c\u662f1\uff0c-o file\u8868\u793a\u5c06\u547d\u4ee4\u7ed3\u679c\u4ee5\u4e8c\u8fdb\u5236\u683c\u5f0f \u5b58\u653e\u5728\u6587\u4ef6\u4e2d\uff0cfile \u5728\u6b64\u5904\u4e0d\u662f\u5173\u952e\u5b57\uff0c\u662f\u6587\u4ef6\u540d\u3002options \u4e3a\u547d\u4ee4\u884c\u9009\u9879\uff0csar\u547d\u4ee4 \u7684\u9009\u9879\u5f88\u591a\uff0c\u4e0b\u9762\u53ea\u5217\u51fa\u5e38\u7528\u9009\u9879\uff1a<br \/>\n-A\uff1a\u6240\u6709\u62a5\u544a\u7684\u603b\u548c\u3002 -u\uff1aCPU\u5229\u7528\u7387 -v\uff1a\u8fdb\u7a0b\u3001I\u8282\u70b9\u3001\u6587\u4ef6\u548c\u9501\u8868\u72b6\u6001\u3002 -d\uff1a\u786c\u76d8\u4f7f\u7528\u62a5\u544a\u3002 -r\uff1a\u5185\u5b58\u548c\u4ea4\u6362\u7a7a\u95f4\u7684\u4f7f\u7528\u7edf\u8ba1\u3002 -g\uff1a\u4e32\u53e3I\/O\u7684\u60c5\u51b5\u3002 -b\uff1a\u7f13\u51b2\u533a\u4f7f\u7528\u60c5\u51b5\u3002 -a\uff1a\u6587\u4ef6\u8bfb\u5199\u60c5\u51b5\u3002 -c\uff1a\u7cfb\u7edf\u8c03\u7528\u60c5\u51b5\u3002 -q\uff1a\u62a5\u544a\u961f\u5217\u957f\u5ea6\u548c\u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7d -R\uff1a\u8fdb\u7a0b\u7684\u6d3b\u52a8\u60c5\u51b5\u3002 -y\uff1a\u7ec8\u7aef\u8bbe\u5907\u6d3b\u52a8\u60c5\u51b5\u3002 -w\uff1a\u7cfb\u7edf\u4ea4\u6362\u6d3b\u52a8\u3002 -x { pid | SELF | ALL }\uff1a\u62a5\u544a\u6307\u5b9a\u8fdb\u7a0bID\u7684\u7edf\u8ba1\u4fe1\u606f\uff0cSELF\u5173\u952e\u5b57\u662fsar\u8fdb\u7a0b\u672c\u8eab\u7684\u7edf\u8ba1\uff0cALL\u5173\u952e\u5b57\u662f\u6240\u6709\u7cfb\u7edf\u8fdb\u7a0b\u7684\u7edf\u8ba1\u3002<\/div>\n<div>\u7528sar\u8fdb\u884cCPU\u5229\u7528\u7387\u7684\u5206\u6790<\/div>\n<div>#sar -u 2 10 Linux 2.6.18-53.el5PAE (localhost.localdomain) <wbr><wbr> 03\/28\/2009<\/div>\n<div>07:40:17 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> CPU <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> %user <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> %nice <wbr><wbr> <wbr><wbr> %system <wbr><wbr> <wbr><wbr> %iowait <wbr><wbr> <wbr><wbr> <wbr><wbr> %steal <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> %idle 07:40:19 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 12.44 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 6.97 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 1.74 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 78.86 07:40:21 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 26.75 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 12.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 16.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 44.75 07:40:23 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 16.96 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 7.98 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>75.06 07:40:25 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 22.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 7.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 3.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 67.25 07:40:27 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 7.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 2.75 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 2.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 87.50 07:40:29 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 20.05 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 8.56 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 2.93 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 68.46 07:40:31 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 13.97 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 6.23 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 3.49 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>76.31 07:40:33 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>8.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.75 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 3.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>87.50 07:40:35 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 13.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 5.75 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 4.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>77.00 07:40:37 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 10.03 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 2.51 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>86.97 Average: <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> all <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 15.15 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 5.91 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 3.99 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>74.95<\/div>\n<div>&nbsp;<\/div>\n<div>\u5728\u663e\u793a\u5185\u5bb9\u5305\u62ec\uff1a<br \/>\n%user\uff1aCPU\u5904\u5728\u7528\u6237\u6a21\u5f0f\u4e0b\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002<\/div>\n<div><wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> %nice\uff1aCPU\u5904\u5728\u5e26NICE\u503c\u7684\u7528\u6237\u6a21\u5f0f\u4e0b\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002 %system\uff1aCPU\u5904\u5728\u7cfb\u7edf\u6a21\u5f0f\u4e0b\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002 %iowait\uff1aCPU\u7b49\u5f85\u8f93\u5165\u8f93\u51fa\u5b8c\u6210\u65f6\u95f4\u7684\u767e\u5206\u6bd4\u3002<\/div>\n<div><wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> %steal\uff1a\u7ba1\u7406\u7a0b\u5e8f\u7ef4\u62a4\u53e6\u4e00\u4e2a\u865a\u62df\u5904\u7406\u5668\u65f6\uff0c\u865a\u62dfCPU\u7684\u65e0\u610f\u8bc6\u7b49\u5f85\u65f6\u95f4\u767e\u5206\u6bd4\u3002 %idle\uff1aCPU\u7a7a\u95f2\u65f6\u95f4\u767e\u5206\u6bd4\u3002<\/div>\n<div><wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> \u5728\u6240\u6709\u7684\u663e\u793a\u4e2d\uff0c\u6211\u4eec\u5e94\u4e3b\u8981\u6ce8\u610f%iowait\u548c%idle\uff0c%iowait\u7684\u503c\u8fc7\u9ad8\uff0c\u8868\u793a\u786c\u76d8\u5b58\u5728I\/O\u74f6\u9888\uff0c%idle\u503c\u9ad8\uff0c\u8868\u793aCPU\u8f83\u7a7a\u95f2\uff0c\u5982\u679c%idle\u503c\u9ad8\u4f46\u7cfb\u7edf\u54cd\u5e94\u6162\u65f6\uff0c\u6709\u53ef\u80fd\u662fCPU\u7b49\u5f85\u5206\u914d\u5185\u5b58\uff0c\u6b64\u65f6\u5e94\u52a0\u5927\u5185\u5b58\u5bb9\u91cf\u3002%idle\u503c\u5982\u679c\u6301\u7eed\u4f4e\u4e8e10\uff0c\u90a3\u4e48\u7cfb\u7edf\u7684CPU\u5904\u7406\u80fd\u529b\u76f8\u5bf9\u8f83\u4f4e\uff0c\u8868\u660e\u7cfb\u7edf\u4e2d\u6700\u9700\u8981\u89e3\u51b3\u7684\u8d44\u6e90\u662fCPU\u3002<\/div>\n<div>&nbsp;<\/div>\n<div>\u7528sar\u8fdb\u884c\u8fd0\u884c\u8fdb\u7a0b\u961f\u5217\u957f\u5ea6\u5206\u6790\uff1a<\/div>\n<div>#sar -q 2 10 Linux 2.6.18-53.el5PAE (localhost.localdomain) <wbr><wbr> 03\/28\/2009<\/div>\n<div>07:58:14 PM <wbr><wbr> <wbr><wbr> runq-sz <wbr><wbr> plist-sz <wbr><wbr> <wbr><wbr> ldavg-1 <wbr><wbr> <wbr><wbr> ldavg-5 <wbr><wbr> ldavg-15 07:58:16 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 493 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.64 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.56 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.49 07:58:18 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 1 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 491 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.64 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.56 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.49 07:58:20 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 1 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 488 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.59 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.55 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.49 07:58:22 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 487 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.59 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.55 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.49 07:58:24 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 485 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.59 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.55 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.49 07:58:26 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 1 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 483 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.78 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.59 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.50 07:58:28 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 481 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.78 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.59 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.50 07:58:30 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 1 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 480 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.72 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.58 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.50 07:58:32 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 477 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.72 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.58 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.50 07:58:34 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 474 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.72 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.58 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.50 Average: <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 484 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>&nbsp; <wbr><wbr>0.68 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.57 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.49<\/div>\n<div>&nbsp;<\/div>\n<div>runq-sz \u51c6\u5907\u8fd0\u884c\u7684\u8fdb\u7a0b\u8fd0\u884c\u961f\u5217\u3002 plist-sz <wbr><wbr> \u8fdb\u7a0b\u961f\u5217\u91cc\u7684\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u7684\u6570\u91cf ldavg-1 <wbr><wbr> \u524d\u4e00\u5206\u949f\u7684\u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7d(load average) ldavg-5 <wbr><wbr> \u524d\u4e94\u5206\u949f\u7684\u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7d(load average) ldavg-15&nbsp; <wbr><wbr>\u524d15\u5206\u949f\u7684\u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7d(load average)<\/div>\n<div>&nbsp;<\/div>\n<div>\u987a\u4fbf\u8bf4\u4e00\u4e0bload avarage\u7684\u542b\u4e49<\/div>\n<div>load average\u53ef\u4ee5\u7406\u89e3\u4e3a\u6bcf\u79d2\u949fCPU\u7b49\u5f85\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e2a\u6570.<\/div>\n<div>\u5728Linux\u7cfb\u7edf\u4e2d\uff0csar -q\u3001uptime\u3001w\u3001top\u7b49\u547d\u4ee4\u90fd\u4f1a\u6709\u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7dload average\u7684\u8f93\u51fa\uff0c\u90a3\u4e48\u4ec0\u4e48\u662f\u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7d\u5462\uff1f \u7cfb\u7edf\u5e73\u5747\u8d1f\u8f7d\u88ab\u5b9a\u4e49\u4e3a\u5728\u7279\u5b9a\u65f6\u95f4\u95f4\u9694\u5185\u8fd0\u884c\u961f\u5217\u4e2d\u7684\u5e73\u5747\u4efb\u52a1\u6570\u3002\u5982\u679c\u4e00\u4e2a\u8fdb\u7a0b\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\u5219\u5176\u5c31\u4f1a\u4f4d\u4e8e\u8fd0\u884c\u961f\u5217\u4e2d\uff1a - \u5b83\u6ca1\u6709\u5728\u7b49\u5f85I\/O\u64cd\u4f5c\u7684\u7ed3\u679c - \u5b83\u6ca1\u6709\u4e3b\u52a8\u8fdb\u5165\u7b49\u5f85\u72b6\u6001(\u4e5f\u5c31\u662f\u6ca1\u6709\u8c03\u7528'wait') - \u6ca1\u6709\u88ab\u505c\u6b62(\u4f8b\u5982\uff1a\u7b49\u5f85\u7ec8\u6b62) \u4f8b\u5982\uff1a # uptime 20:55:40 up 24 days, <wbr><wbr> 3:06, <wbr><wbr> 1 user, <wbr><wbr> load average: 8.13, 5.90, 4.94 \u547d\u4ee4\u8f93\u51fa\u7684\u6700\u540e\u5185\u5bb9\u8868\u793a\u5728\u8fc7\u53bb\u76841\u30015\u300115\u5206\u949f\u5185\u8fd0\u884c\u961f\u5217\u4e2d\u7684\u5e73\u5747\u8fdb\u7a0b\u6570\u91cf\u3002 \u4e00\u822c\u6765\u8bf4\u53ea\u8981\u6bcf\u4e2aCPU\u7684\u5f53\u524d\u6d3b\u52a8\u8fdb\u7a0b\u6570\u4e0d\u5927\u4e8e3\u90a3\u4e48\u7cfb\u7edf\u7684\u6027\u80fd\u5c31\u662f\u826f\u597d\u7684\uff0c\u5982\u679c\u6bcf\u4e2aCPU\u7684\u4efb\u52a1\u6570\u5927\u4e8e5\uff0c\u90a3\u4e48\u5c31\u8868\u793a\u8fd9\u53f0\u673a\u5668\u7684\u6027\u80fd\u6709\u4e25\u91cd\u95ee\u9898\u3002\u5bf9\u4e8e\u4e0a\u9762\u7684\u4f8b\u5b50\u6765\u8bf4\uff0c\u5047\u8bbe\u7cfb\u7edf\u6709\u4e24\u4e2aCPU\uff0c\u90a3\u4e48\u5176\u6bcf\u4e2aCPU\u7684\u5f53\u524d\u4efb\u52a1\u6570\u4e3a\uff1a8.13\/2=4.065\u3002\u8fd9\u8868\u793a\u8be5\u7cfb\u7edf\u7684\u6027\u80fd\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002<\/div>\n<div>&nbsp;<\/div>\n<div>\u4e09\uff0ciostat<\/div>\n<div>&nbsp;<\/div>\n<div>#iostat -c 2 10 Linux 2.6.18-53.el5PAE (localhost.localdomain) <wbr><wbr> 03\/28\/2009<\/div>\n<div>avg-cpu: <wbr><wbr> %user <wbr><wbr> <wbr><wbr> %nice %system %iowait <wbr><wbr> %steal <wbr><wbr> <wbr><wbr> %idle 30.10 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 4.89 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 5.63 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 59.38<\/div>\n<div>avg-cpu: <wbr><wbr> %user <wbr><wbr> <wbr><wbr> %nice %system %iowait <wbr><wbr> %steal <wbr><wbr> <wbr><wbr> %idle 8.46 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr>1.74 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 89.55<\/div>\n<div>avg-cpu: <wbr><wbr> %user <wbr><wbr> <wbr><wbr> %nice %system %iowait <wbr><wbr> %steal <wbr><wbr> <wbr><wbr> %idle 22.06 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 11.28 <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 1.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 65.41<\/div>\n<div>&nbsp;<\/div>\n<div>\u56db\uff0cmpstat<\/div>\n<div>mpstat\u662fMultiprocessor Statistics\u7684\u7f29\u5199\uff0c\u662f\u5b9e\u65f6\u7cfb\u7edf<a href=\"http:\/\/hi.baidu.com\/handenzhou\/blog\/item\/:;\" target=\"_self\"><strong>\u76d1\u63a7<\/strong><\/a>\u5de5\u5177\u3002\u5176\u62a5\u544a\u4e0eCPU\u7684\u4e00\u4e9b\u7edf\u8ba1\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5b58\u653e\u5728\/proc\/stat\u6587\u4ef6\u4e2d\u3002\u5728\u591aCPUs\u7cfb\u7edf\u91cc\uff0c\u5176\u4e0d\u4f46\u80fd\u67e5\u770b\u6240\u6709CPU\u7684\u5e73\u5747\u72b6\u51b5\u4fe1\u606f\uff0c\u800c\u4e14\u80fd\u591f\u67e5\u770b\u7279\u5b9aCPU\u7684\u4fe1\u606f\u3002\u4e0b\u9762\u53ea\u4ecb\u7ecd mpstat\u4e0eCPU\u76f8\u5173\u7684\u53c2\u6570\uff0cmpstat\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/div>\n<div>\n<p>mpstat [-P {|ALL}] [internal [count]]<\/p>\n<p>\u53c2\u6570\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n<p>\u53c2\u6570 \u89e3\u91ca<\/p>\n<p>-P {|ALL} \u8868\u793a\u76d1\u63a7\u54ea\u4e2aCPU\uff0c cpu\u5728[0,cpu\u4e2a\u6570-1]\u4e2d\u53d6\u503c<\/p>\n<p>internal \u76f8\u90bb\u7684\u4e24\u6b21\u91c7\u6837\u7684\u95f4\u9694\u65f6\u95f4<\/p>\n<p>count \u91c7\u6837\u7684\u6b21\u6570\uff0ccount\u53ea\u80fd\u548cdelay\u4e00\u8d77\u4f7f\u7528<\/p>\n<p>\u5f53\u6ca1\u6709\u53c2\u6570\u65f6\uff0cmpstat\u5219\u663e\u793a\u7cfb\u7edf\u542f\u52a8\u4ee5\u540e\u6240\u6709\u4fe1\u606f\u7684\u5e73\u5747\u503c\u3002\u6709interval\u65f6\uff0c\u7b2c\u4e00\u884c\u7684\u4fe1\u606f\u81ea\u7cfb\u7edf\u542f\u52a8\u4ee5\u6765\u7684\u5e73\u5747\u4fe1\u606f\u3002\u4ece\u7b2c\u4e8c\u884c\u5f00\u59cb\uff0c\u8f93\u51fa\u4e3a\u524d\u4e00\u4e2ainterval\u65f6\u95f4\u6bb5\u7684\u5e73\u5747\u4fe1\u606f\u3002\u4e0eCPU\u6709\u5173\u7684\u8f93\u51fa\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n<p>\u53c2\u6570 \u89e3\u91ca\u4ece\/proc\/stat\u83b7\u5f97\u6570\u636e<\/p>\n<p>CPU \u5904\u7406\u5668ID<\/p>\n<p>user \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0c\u7528\u6237\u6001\u7684CPU\u65f6\u95f4\uff08%\uff09 \uff0c\u4e0d\u5305\u542b nice\u503c\u4e3a\u8d1f \u8fdb\u7a0b\uf064usr\/\uf064total*100<\/p>\n<p>nice \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0cnice\u503c\u4e3a\u8d1f\u8fdb\u7a0b\u7684CPU\u65f6\u95f4\uff08%\uff09 \uf064nice\/\uf064total*100<\/p>\n<p>system \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0c\u6838\u5fc3\u65f6\u95f4\uff08%\uff09\uf064system\/\uf064total*100<\/p>\n<p>iowait \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0c\u786c\u76d8IO\u7b49\u5f85\u65f6\u95f4\uff08%\uff09 \uf064iowait\/\uf064total*100<\/p>\n<p>irq \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0c\u8f6f\u4e2d\u65ad\u65f6\u95f4\uff08%\uff09\uf064irq\/\uf064total*100<\/p>\n<p>soft \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0c\u8f6f\u4e2d\u65ad\u65f6\u95f4\uff08%\uff09\uf064softirq\/\uf064total*100<\/p>\n<p>idle \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0cCPU\u9664\u53bb\u7b49\u5f85\u78c1\u76d8IO\u64cd\u4f5c\u5916\u7684\u56e0\u4e3a\u4efb\u4f55\u539f\u56e0\u800c\u7a7a\u95f2\u7684\u65f6\u95f4\u95f2\u7f6e\u65f6\u95f4 \uff08%\uff09\uf064idle\/\uf064total*100<\/p>\n<p>intr\/s \u5728internal\u65f6\u95f4\u6bb5\u91cc\uff0c\u6bcf\u79d2CPU\u63a5\u6536\u7684\u4e2d\u65ad\u7684\u6b21\u6570 \uf064intr\/\uf064total*100<\/p>\n<p>CPU\u603b\u7684<a href=\"http:\/\/hi.baidu.com\/handenzhou\/blog\/item\/:;\" target=\"_self\"><strong>\u5de5\u4f5c<\/strong><\/a>\u65f6\u95f4=total_cur=user+system+nice+idle+iowait+irq+softirq<\/p>\n<p>total_pre=pre_user+ pre_system+ pre_nice+ pre_idle+ pre_iowait+ pre_irq+ pre_softirq<\/p>\n<p>\uf064user=user_cur \u2013 user_pre<\/p>\n<p>\uf064total=total_cur-total_pre<\/p>\n<p>\u5176\u4e2d_cur \u8868\u793a\u5f53\u524d\u503c\uff0c_pre\u8868\u793ainterval\u65f6\u95f4\u524d\u7684\u503c\u3002\u4e0a\u8868\u4e2d\u7684\u6240\u6709\u503c\u53ef\u53d6\u5230\u4e24\u4f4d\u5c0f\u6570\u70b9\u3002<\/p>\n<div>#mpstat -P ALL 2 10 Linux 2.6.18-53.el5PAE (localhost.localdomain) <wbr><wbr> 03\/28\/2009<\/div>\n<div>&nbsp;<\/div>\n<div>10:07:57 PM <wbr><wbr> CPU <wbr><wbr> <wbr><wbr> %user <wbr><wbr> <wbr><wbr> %nice <wbr><wbr> <wbr><wbr> <wbr><wbr> %sys %iowait <wbr><wbr> <wbr><wbr> <wbr><wbr> %irq <wbr><wbr> <wbr><wbr> %soft <wbr><wbr> %steal <wbr><wbr> <wbr><wbr> %idle <wbr><wbr> <wbr><wbr> <wbr><wbr> intr\/s 10:07:59 PM <wbr><wbr> all <wbr><wbr> <wbr><wbr> 20.75 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 10.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> 1.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.25 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 66.75 <wbr><wbr> <wbr><wbr> 1294.50 10:07:59 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> <wbr><wbr> 16.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> 9.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> 1.50 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 73.50 <wbr><wbr> <wbr><wbr> 1000.50 10:07:59 PM <wbr><wbr> <wbr><wbr> <wbr><wbr> 1 <wbr><wbr> <wbr><wbr> 25.76 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 12.12 <wbr><wbr> <wbr><wbr> <wbr><wbr> 1.52 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.51 <wbr><wbr> <wbr><wbr> <wbr><wbr> 0.00 <wbr><wbr> <wbr><wbr> 60.10 <wbr><wbr> <wbr><wbr> <wbr><wbr> 294.00<\/div>\n<div>&nbsp;<\/div>\n<div>\u4e94\uff0ctop<\/div>\n<div>\n<div>\n<div><a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>top<\/strong><\/a>\u547d\u4ee4\u548cps\u547d\u4ee4\u7684\u57fa\u672c\u4f5c\u7528\u662f\u76f8\u540c\u7684\uff0c\u663e\u793a\u7cfb\u7edf\u5f53\u524d\u7684\u8fdb\u7a0b\u548c<a href=\"http:\/\/hi.baidu.com\/handenzhou\/blog\/item\/:;\" target=\"_self\"><strong>\u5176\u5b83<\/strong><\/a>\u72b6 \u51b5\uff1b\u4f46\u662ftop\u662f\u4e00\u4e2a\u52a8\u6001\u663e\u793a\u8fc7\u7a0b\uff0c\u5373\u53ef\u4ee5\u901a\u8fc7\u7528\u6237\u6309\u952e\u6765\u4e0d\u65ad\u5237\u65b0\u5f53\u524d\u72b6\u6001\u3002\u5982\u679c\u5728\u524d\u53f0\u6267\u884c\u8be5\u547d\u4ee4\uff0c\u5b83\u5c06\u72ec\u5360\u524d\u53f0\uff0c\u76f4\u5230\u7528\u6237\u7ec8\u6b62\u8be5\u7a0b\u5e8f\u4e3a\u6b62\u3002\u6bd4\u8f83\u51c6\u786e\u7684\u8bf4\uff0ctop\u547d\u4ee4\u63d0\u4f9b\u4e86\u5b9e\u65f6\u7684\u5bf9\u7cfb\u7edf\u5904\u7406\u5668\u7684\u72b6\u6001\u76d1\u89c6\u3002\u5b83\u5c06\u663e\u793a\u7cfb\u7edf\u4e2dCPU\u6700\u201c\u654f\u611f\u201d\u7684\u4efb\u52a1\u5217\u8868\u3002\u8be5\u547d\u4ee4\u53ef\u4ee5\u6309CPU\u4f7f\u7528\u3002\u5185\u5b58\u4f7f\u7528\u548c\u6267\u884c\u65f6\u95f4\u5bf9\u4efb\u52a1\u8fdb\u884c\u6392\u5e8f\uff1b\u800c\u4e14\u8be5\u547d\u4ee4\u7684\u5f88\u591a\u7279\u6027\u90fd\u53ef\u4ee5\u901a\u8fc7\u4ea4\u4e92\u5f0f\u547d\u4ee4\u6216\u8005\u5728\u4e2a\u4eba\u5b9a\u5236\u6587\u4ef6\u4e2d\u8fdb\u884c\u8bbe\u5b9a\u3002\u5728\u540e\u9762\u7684\u4ecb\u7ecd\u4e2d\u5c06\u628a\u547d\u4ee4\u53c2\u6570\u548c\u4ea4\u4e92\u547d\u4ee4\u5206\u5f00\u8bb2\u8ff0\u3002 #top<\/div>\n<div>top - 22:19:58 up 24 days, <wbr><wbr> 4:31, <wbr><wbr> 1 user, <wbr><wbr> load average: 2.08, 1.88, 1.15 Tasks: 545 total, <wbr><wbr> <wbr><wbr> 7 running, 538 sleeping, <wbr><wbr> <wbr><wbr> 0 stopped, <wbr><wbr> <wbr><wbr> 0 zombie Cpu(s): 23.2%us, <wbr><wbr> 6.3%sy, <wbr><wbr> 0.0%ni, 69.7%id, <wbr><wbr> 0.5%wa, <wbr><wbr> 0.2%hi, <wbr><wbr> 0.2%si, <wbr><wbr> 0.0%st Mem: <wbr><wbr> <wbr><wbr> 4141608k total, <wbr><wbr> 3992588k used, <wbr><wbr> <wbr><wbr> 149020k free, <wbr><wbr> <wbr><wbr> 249092k buffers Swap: <wbr><wbr> 6289352k total, <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 128k used, <wbr><wbr> 6289224k free, <wbr><wbr> 2604200k cached<\/div>\n<div><wbr><wbr> PID USER <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> PR <wbr><wbr> NI <wbr><wbr> VIRT <wbr><wbr> RES <wbr><wbr> SHR S %CPU %MEM <wbr><wbr> <wbr><wbr> <wbr><wbr> TIME+ <wbr><wbr> COMMAND <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 2746 mysql <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 15 <wbr><wbr> <wbr><wbr> 0 <wbr><wbr> 147m <wbr><wbr> 45m 4752 S <wbr><wbr> <wbr><wbr> 24 <wbr><wbr> 1.1 <wbr><wbr> <wbr><wbr> 6630:02 mysqld <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 26630 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 25 <wbr><wbr> <wbr><wbr> 0 25364 <wbr><wbr> 10m 3696 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 7 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.20 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 24892 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 15 <wbr><wbr> <wbr><wbr> 0 27012 <wbr><wbr> 12m 4044 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 4 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.65 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 26619 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 15 <wbr><wbr> <wbr><wbr> 0 27272 <wbr><wbr> 12m 3728 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 3 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.10 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 26626 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 23 <wbr><wbr> <wbr><wbr> 0 25620 <wbr><wbr> 10m 3704 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 3 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.09 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 26634 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 21 <wbr><wbr> <wbr><wbr> 0 29716 <wbr><wbr> 14m 3576 R <wbr><wbr> <wbr><wbr> <wbr><wbr> 3 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.09 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 26628 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 25 <wbr><wbr> <wbr><wbr> 0 25620 <wbr><wbr> 10m 3728 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 3 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.08 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 25448 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 15 <wbr><wbr> <wbr><wbr> 0 26156 <wbr><wbr> 11m 4212 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 2 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.40 httpd <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> <wbr><wbr> 23843 nobody <wbr><wbr> <wbr><wbr> <wbr><wbr> 16 <wbr><wbr> <wbr><wbr> 0 25900 <wbr><wbr> 11m 4116 S <wbr><wbr> <wbr><wbr> <wbr><wbr> 1 <wbr><wbr> 0.3 <wbr><wbr> <wbr><wbr> 0:00.54 httpd <wbr><wbr><\/div>\n<div>&nbsp;<\/div>\n<div>\n<p>\u7edf\u8ba1\u4fe1\u606f\u533a \u524d\u4e94\u884c\u662f\u7cfb\u7edf\u6574\u4f53\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u7b2c\u4e00\u884c\u662f\u4efb\u52a1\u961f\u5217\u4fe1\u606f\uff0c\u540c uptime \u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\u3002\u5176\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<p>22:19:58\u5f53\u524d\u65f6\u95f4 up 24 days, <wbr><wbr> 4:31\u7cfb\u7edf\u8fd0\u884c\u65f6\u95f4\uff0c\u683c\u5f0f\u4e3a\u65f6:\u5206 1 user\u5f53\u524d\u767b\u5f55\u7528\u6237\u6570 load average: 2.08, 1.88, 1.15\u7cfb\u7edf\u8d1f\u8f7d\uff0c\u5373\u4efb\u52a1\u961f\u5217\u7684\u5e73\u5747\u957f\u5ea6\u3002 \u4e09\u4e2a\u6570\u503c\u5206\u522b\u4e3a 1\u5206\u949f\u30015\u5206\u949f\u300115\u5206\u949f\u524d\u5230\u73b0\u5728\u7684\u5e73\u5747\u503c\u3002<\/p>\n<p>\u7b2c\u4e8c\u3001\u4e09\u884c\u4e3a\u8fdb\u7a0b\u548cCPU\u7684\u4fe1\u606f\u3002\u5f53\u6709\u591a\u4e2aCPU\u65f6\uff0c\u8fd9\u4e9b\u5185\u5bb9\u53ef\u80fd\u4f1a\u8d85\u8fc7\u4e24\u884c\u3002\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<p>Tasks:545total \u8fdb\u7a0b\u603b\u6570 7 <wbr><wbr>running \u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u6570 538sleeping \u7761\u7720\u7684\u8fdb\u7a0b\u6570 0 stopped \u505c\u6b62\u7684\u8fdb\u7a0b\u6570 0 zombie \u50f5\u5c38\u8fdb\u7a0b\u6570 Cpu(s):23.2%us\u7528\u6237\u7a7a\u95f4\u5360\u7528CPU\u767e\u5206\u6bd4 6.3%sy\u5185\u6838\u7a7a\u95f4\u5360\u7528CPU\u767e\u5206\u6bd4 0.0% ni \u7528\u6237\u8fdb\u7a0b\u7a7a\u95f4\u5185\u6539\u53d8\u8fc7\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5360\u7528CPU\u767e\u5206\u6bd4 69.7%id\u7a7a\u95f2CPU\u767e\u5206\u6bd4 0.5%wa\u7b49\u5f85\u8f93\u5165\u8f93\u51fa\u7684CPU\u65f6\u95f4\u767e\u5206\u6bd4 0.2%hi 0.2%si 0.0%st<\/p>\n<p>\u6700\u540e\u4e24\u884c\u4e3a\u5185\u5b58\u4fe1\u606f\u3002\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<p>Mem:4141608k total\u7269\u7406\u5185\u5b58\u603b\u91cf 3992588k used\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u603b\u91cf 149020k free\u7a7a\u95f2\u5185\u5b58\u603b\u91cf 249092k buffers\u7528\u4f5c\u5185\u6838\u7f13\u5b58\u7684\u5185\u5b58\u91cf Swap:6289352k total\u4ea4\u6362\u533a\u603b\u91cf 128k used\u4f7f\u7528\u7684\u4ea4\u6362\u533a\u603b\u91cf 6289224k free\u7a7a\u95f2\u4ea4\u6362\u533a\u603b\u91cf 2604200k cached\u7f13\u51b2\u7684\u4ea4\u6362\u533a\u603b\u91cf\u3002 \u5185\u5b58\u4e2d\u7684\u5185\u5bb9\u88ab\u6362\u51fa\u5230\u4ea4\u6362\u533a\uff0c\u800c\u540e\u53c8\u88ab\u6362\u5165\u5230\u5185\u5b58\uff0c\u4f46\u4f7f\u7528\u8fc7\u7684\u4ea4\u6362\u533a\u5c1a\u672a\u88ab\u8986\u76d6\uff0c \u8be5\u6570\u503c\u5373\u4e3a\u8fd9\u4e9b\u5185\u5bb9\u5df2\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\u7684\u4ea4\u6362\u533a\u7684\u5927\u5c0f\u3002 \u76f8\u5e94\u7684\u5185\u5b58\u518d\u6b21\u88ab\u6362\u51fa\u65f6\u53ef\u4e0d\u5fc5\u518d\u5bf9\u4ea4\u6362\u533a\u5199\u5165\u3002<\/p>\n<p>\u8fdb\u7a0b\u4fe1\u606f\u533a \u7edf\u8ba1\u4fe1\u606f\u533a\u57df\u7684\u4e0b\u65b9\u663e\u793a\u4e86\u5404\u4e2a\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u9996\u5148\u6765\u8ba4\u8bc6\u4e00\u4e0b\u5404\u5217\u7684\u542b\u4e49\u3002<\/p>\n<p>\u5e8f\u53f7 \u5217\u540d \u542b\u4e49 a PID \u8fdb\u7a0bid b PPID \u7236\u8fdb\u7a0bid c RUSER Real user name d UID \u8fdb\u7a0b\u6240\u6709\u8005\u7684\u7528\u6237id e USER \u8fdb\u7a0b\u6240\u6709\u8005\u7684\u7528\u6237\u540d f GROUP \u8fdb\u7a0b\u6240\u6709\u8005\u7684\u7ec4\u540d g TTY \u542f\u52a8\u8fdb\u7a0b\u7684\u7ec8\u7aef\u540d\u3002\u4e0d\u662f\u4ece\u7ec8\u7aef\u542f\u52a8\u7684\u8fdb\u7a0b\u5219\u663e\u793a\u4e3a ? h PR \u4f18\u5148\u7ea7 i NI nice\u503c\u3002\u8d1f\u503c\u8868\u793a\u9ad8\u4f18\u5148\u7ea7\uff0c\u6b63\u503c\u8868\u793a\u4f4e\u4f18\u5148\u7ea7 j P \u6700\u540e\u4f7f\u7528\u7684CPU\uff0c\u4ec5\u5728\u591aCPU\u73af\u5883\u4e0b\u6709\u610f\u4e49 k %CPU \u4e0a\u6b21\u66f4\u65b0\u5230\u73b0\u5728\u7684CPU\u65f6\u95f4\u5360\u7528\u767e\u5206\u6bd4 l<a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>TIME<\/strong><\/a>\u8fdb\u7a0b\u4f7f\u7528\u7684CPU\u65f6\u95f4\u603b\u8ba1\uff0c\u5355\u4f4d\u79d2 m TIME+ \u8fdb\u7a0b\u4f7f\u7528\u7684CPU\u65f6\u95f4\u603b\u8ba1\uff0c\u5355\u4f4d1\/100\u79d2 n %MEM \u8fdb\u7a0b\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u767e\u5206\u6bd4 o VIRT \u8fdb\u7a0b\u4f7f\u7528\u7684\u865a\u62df\u5185\u5b58\u603b\u91cf\uff0c\u5355\u4f4dkb\u3002VIRT=SWAP+RES p SWAP \u8fdb\u7a0b\u4f7f\u7528\u7684\u865a\u62df\u5185\u5b58\u4e2d\uff0c\u88ab\u6362\u51fa\u7684\u5927\u5c0f\uff0c\u5355\u4f4dkb\u3002 q RES \u8fdb\u7a0b\u4f7f\u7528\u7684\u3001\u672a\u88ab\u6362\u51fa\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f\uff0c\u5355\u4f4dkb\u3002RES=CODE+DATA r CODE \u53ef\u6267\u884c<a href=\"http:\/\/www.cnblogs.cc2\/.:;\" target=\"_self\"><strong>\u4ee3\u7801<\/strong><\/a>\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f\uff0c\u5355\u4f4dkb s DATA \u53ef\u6267\u884c\u4ee3\u7801\u4ee5\u5916\u7684\u90e8\u5206(\u6570\u636e\u6bb5+\u6808)\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f\uff0c\u5355\u4f4dkb t SHR \u5171\u4eab\u5185\u5b58\u5927\u5c0f\uff0c\u5355\u4f4dkb u nFLT \u9875\u9762\u9519\u8bef\u6b21\u6570 v nDRT \u6700\u540e\u4e00\u6b21\u5199\u5165\u5230\u73b0\u5728\uff0c\u88ab\u4fee\u6539\u8fc7\u7684\u9875\u9762\u6570\u3002 w S \u8fdb\u7a0b\u72b6\u6001\u3002 D=\u4e0d\u53ef\u4e2d\u65ad\u7684\u7761\u7720\u72b6\u6001 R=\u8fd0\u884c S=\u7761\u7720 T=\u8ddf\u8e2a\/\u505c\u6b62 Z=\u50f5\u5c38\u8fdb\u7a0b x COMMAND \u547d\u4ee4\u540d\/\u547d\u4ee4\u884c y WCHAN \u82e5\u8be5\u8fdb\u7a0b\u5728\u7761\u7720\uff0c\u5219\u663e\u793a\u7761\u7720\u4e2d\u7684\u7cfb\u7edf\u51fd\u6570\u540d z Flags \u4efb\u52a1\u6807\u5fd7\uff0c\u53c2\u8003 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