{"id":915,"date":"2024-06-05T20:34:57","date_gmt":"2024-06-05T12:34:57","guid":{"rendered":"https:\/\/cn.raksmart.com\/blog\/host\/4178.html"},"modified":"2024-06-05T20:34:57","modified_gmt":"2024-06-05T12:34:57","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8cpu%e7%aa%81%e7%84%b6%e5%be%88%e9%ab%98%ef%bc%8c%e5%8e%9f%e5%9b%a0%e6%8e%92%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/cn.raksmart.com\/blog\/knowledge\/cjwt\/915.html","title":{"rendered":"\u670d\u52a1\u5668CPU\u7a81\u7136\u5f88\u9ad8\uff0c\u539f\u56e0\u6392\u67e5"},"content":{"rendered":"<div class=\"entry-content e-content\" itemprop=\"description articleBody\">\n<p>\u670d\u52a1\u5668CPU\u7a81\u7136\u5f88\u9ad8\u7a76\u7adf\u662f\u4ec0\u4e48\u539f\u56e0\u5462\uff0c\u4eca\u5929Raksmart<strong><a href=\"https:\/\/cn.raksmart.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"\u7f8e\u56fd\u670d\u52a1\u5668\uff08\u5728\u65b0\u7a97\u53e3\u6253\u5f00\uff09\">\u7f8e\u56fd\u670d\u52a1\u5668<\/a><\/strong>\u7ed9\u5927\u5bb6\u8bb2\u4e00\u4e0b\u4e24\u79cd\u539f\u56e0\uff1a<\/p>\n<p class=\"has-text-color has-vivid-red-color\">Load\u9ad8 &amp; CPU\u9ad8<\/p>\n<p>\u8fd9\u662f\u6211\u4eec\u6700\u5e38\u9047\u5230\u7684\u4e00\u7c7b\u60c5\u51b5\uff0c\u5373load\u4e0a\u6da8\u662fCPU\u8d1f\u8f7d\u4e0a\u5347\u5bfc\u81f4\u3002\u6839\u636eCPU\u5177\u4f53\u8d44\u6e90\u5206\u914d\u8868\u73b0\uff0c\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<p class=\"has-text-color has-vivid-red-color\">CPU sys\u9ad8<\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5CPU\u4e3b\u8981\u5f00\u9500\u5728\u4e8e\u7cfb\u7edf\u5185\u6838\uff0c\u53ef\u8fdb\u4e00\u6b65\u67e5\u770b\u4e0a\u4e0b\u6587\u5207\u6362\u60c5\u51b5\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>\u5982\u679c\u975e\u81ea\u613f\u4e0a\u4e0b\u6587\u5207\u6362\u8f83\u591a\uff0c\u8bf4\u660e<strong>CPU<\/strong>\u62a2\u5360\u8f83\u4e3a\u6fc0\u70c8\uff0c\u5927\u91cf\u8fdb\u7a0b\u7531\u4e8e\u65f6\u95f4\u7247\u5df2\u5230\u7b49\u539f\u56e0\uff0c\u88ab\u7cfb\u7edf\u5f3a\u5236\u8c03\u5ea6\uff0c\u8fdb\u800c\u53d1\u751f\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u3002<\/p>\n<p>\u5982\u679c\u81ea\u613f\u4e0a\u4e0b\u6587\u5207\u6362\u8f83\u591a\uff0c\u8bf4\u660e\u53ef\u80fd\u5b58\u5728I\/O\u3001\u5185\u5b58\u7b49\u7cfb\u7edf\u8d44\u6e90\u74f6\u9888\uff0c\u5927\u91cf\u8fdb\u7a0b\u65e0\u6cd5\u83b7\u53d6\u6240\u9700\u8d44\u6e90\uff0c\u5bfc\u81f4\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u3002<\/p>\n<p class=\"has-text-color has-vivid-red-color\">CPU si\u9ad8<\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5CPU\u5927\u91cf\u6d88\u8017\u5728\u8f6f\u4e2d\u65ad\uff0c\u53ef\u8fdb\u4e00\u6b65\u67e5\u770b\u8f6f\u4e2d\u65ad\u7c7b\u578b\u3002\u4e00\u822c\u800c\u8a00\uff0c\u7f51\u7edcI\/O\u6216\u8005\u7ebf\u7a0b\u8c03\u5ea6\u5f15\u8d77\u8f6f\u4e2d\u65ad\u6700\u4e3a\u5e38\u89c1\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>NET_TX &amp; NET_RX\u3002NET_TX\u662f\u53d1\u9001\u7f51\u7edc\u6570\u636e\u5305\u7684\u8f6f\u4e2d\u65ad\uff0cNET_RX\u662f\u63a5\u6536\u7f51\u7edc\u6570\u636e\u5305\u7684\u8f6f\u4e2d\u65ad\uff0c\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u8f6f\u4e2d\u65ad\u8f83\u9ad8\u65f6\uff0c\u7cfb\u7edf\u5b58\u5728\u7f51\u7edcI\/O\u74f6\u9888\u53ef\u80fd\u6027\u8f83\u5927\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>SCHED\u3002SCHED\u4e3a\u8fdb\u7a0b\u8c03\u5ea6\u4ee5\u53ca\u8d1f\u8f7d\u5747\u8861\u5f15\u8d77\u7684\u4e2d\u65ad\uff0c\u8fd9\u79cd\u4e2d\u65ad\u51fa\u73b0\u8f83\u591a\u65f6\uff0c\u7cfb\u7edf\u5b58\u5728\u8f83\u591a\u8fdb\u7a0b\u5207\u6362\uff0c\u4e00\u822c\u4e0e\u975e\u81ea\u613f\u4e0a\u4e0b\u6587\u5207\u6362\u9ad8\u540c\u65f6\u51fa\u73b0\uff0c\u53ef\u80fd\u5b58\u5728CPU\u74f6\u9888\u3002<\/p>\n<p class=\"has-text-color has-vivid-red-color\">CPU us\u9ad8<\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5\u8bf4\u660e\u8d44\u6e90\u4e3b\u8981\u6d88\u8017\u5728\u5e94\u7528\u8fdb\u7a0b\uff0c\u53ef\u80fd\u5f15\u53d1\u7684\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>\u6b7b\u5faa\u73af\u6216\u4ee3\u7801\u4e2d\u5b58\u5728<strong>CPU<\/strong>\u5bc6\u96c6\u8ba1\u7b97\u3002\u8fd9\u79cd\u60c5\u51b5\u591a\u6838CPU us\u4f1a\u540c\u65f6\u4e0a\u6da8\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 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\u6392\u67e5\u7b56\u7565<\/p>\n<p>\u4ece\u95ee\u9898\u53d1\u73b0\u5230\u6700\u7ec8\u5b9a\u4f4d\uff0c\u57fa\u672c\u53ef\u5206\u4e3a\u56db\u4e2a\u9636\u6bb5\uff1a<\/p>\n<p>\u8d44\u6e90\u74f6\u9888\u5b9a\u4f4d<\/p>\n<p>\u8fd9\u4e00\u9636\u6bb5\u901a\u8fc7\u5168\u5c40\u6027\u80fd\u68c0\u6d4b\u5de5\u5177\uff0c\u521d\u6b65\u5b9a\u4f4d\u8d44\u6e90\u6d88\u8017\u5f02\u5e38\u4f4d\u70b9\u3002<\/p>\n<p>\u5e38\u7528\u7684\u5de5\u5177\u6709\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>top\u3001vmstat\u3001tsar(\u5386\u53f2)<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>\u4e2d\u65ad\uff1a\/proc\/softirqs\u3001\/proc\/interrupts<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>I\/O\uff1aiostat\u3001dstat<\/p>\n<p>\u70ed\u70b9\u8fdb\u7a0b\u5b9a\u4f4d<\/p>\n<p>\u5b9a\u4f4d\u5230\u8d44\u6e90\u74f6\u9888\u540e\uff0c\u53ef\u8fdb\u4e00\u6b65\u5206\u6790\u5177\u4f53\u8fdb\u7a0b\u8d44\u6e90\u6d88\u8017\u60c5\u51b5\uff0c\u627e\u5230\u70ed\u70b9\u8fdb\u7a0b\u3002<\/p>\n<p>\u5e38\u7528\u5de5\u5177\u6709\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>\u4e0a\u4e0b\u6587\u5207\u6362\uff1apidstat -w<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p><strong>CPU<\/strong>\uff1apidstat -u<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>I\/O\uff1aiotop\u3001pidstat -d<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>\u50f5\u5c38\u8fdb\u7a0b\uff1aps<\/p>\n<p>\u7ebf\u7a0b&amp;\u8fdb\u7a0b\u5185\u90e8\u8d44\u6e90\u5b9a\u4f4d<\/p>\n<p>\u627e\u5230\u5177\u4f53\u8fdb\u7a0b\u540e\uff0c\u53ef\u7ec6\u5316\u5206\u6790\u8fdb\u7a0b\u5185\u90e8\u8d44\u6e90\u5f00\u9500\u60c5\u51b5\u3002<\/p>\n<p>\u5e38\u7528\u5de5\u5177\u6709\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>\u4e0a\u4e0b\u6587\u5207\u6362\uff1apidstat -w -p\n<\/p>\n<p>[pid]<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>CPU\uff1apidstat -u -p [pid]<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>I\/O: lsof<\/p>\n<p>\u70ed\u70b9\u4e8b\u4ef6&amp;\u65b9\u6cd5\u5206\u6790<\/p>\n<p>\u83b7\u53d6\u5230\u70ed\u70b9\u7ebf\u7a0b\u540e\uff0c\u6211\u4eec\u53ef\u7528trace\u6216\u8005dump\u5de5\u5177\uff0c\u5c06\u7ebf\u7a0b\u53cd\u5411\u5173\u8054\uff0c\u5c06\u95ee\u9898\u8303\u56f4\u5b9a\u4f4d\u5230\u5177\u4f53\u65b9\u6cd5&amp;\u5806\u6808\u3002<\/p>\n<p>\u5e38\u7528\u7684\u5de5\u5177\u6709\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>perf\uff1aLinux\u81ea\u5e26\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u529f\u80fd\u7c7b\u4f3chotmethod\uff0c\u57fa\u4e8e\u4e8b\u4ef6\u91c7\u6837\u539f\u7406\uff0c\u4ee5\u6027\u80fd\u4e8b\u4ef6\u4e3a\u57fa\u7840\uff0c\u652f\u6301\u9488\u5bf9\u5904\u7406\u5668\u76f8\u5173\u6027\u80fd\u6307\u6807\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u76f8\u5173\u6027\u80fd\u6307\u6807\u7684\u6027\u80fd\u5256\u6790\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 *\n<\/p>\n<p>jstack<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 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href=\"https:\/\/cn.raksmart.com\/blog\/server\/dlfwq\/853.html\">MYSQL\u5982\u4f55\u8fdb\u884c\u8868\u7a7a\u95f4\u4f20\u8f93<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u670d\u52a1\u5668CPU\u7a81\u7136\u5f88\u9ad8\u7a76\u7adf\u662f\u4ec0\u4e48\u539f\u56e0\u5462\uff0c\u4eca\u5929Raksmart\u7f8e\u56fd\u670d\u52a1\u5668\u7ed9\u5927\u5bb6\u8bb2\u4e00\u4e0b\u4e24\u79cd\u539f\u56e0\uff1a Load\u2026 <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[1016],"class_list":["post-915","post","type-post","status-publish","format-standard","hentry","category-cjwt","tag-cpu"],"_links":{"self":[{"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/posts\/915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/comments?post=915"}],"version-history":[{"count":0,"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/posts\/915\/revisions"}],"wp:attachment":[{"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/media?parent=915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/categories?post=915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.raksmart.com\/blog\/wp-json\/wp\/v2\/tags?post=915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}