{"id":1257,"date":"2020-09-14T08:17:35","date_gmt":"2020-09-14T00:17:35","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=1257"},"modified":"2020-09-18T10:55:00","modified_gmt":"2020-09-18T02:55:00","slug":"linux-%e6%9f%a5%e7%9c%8b%e8%bf%9b%e7%a8%8b%e5%8d%a0%e7%94%a8%e7%a3%81%e7%9b%98%e8%af%bb%e5%86%99%e6%83%85%e5%86%b5-iostat-iotop-pidstat","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/1257","title":{"rendered":"Linux \u67e5\u770b\u8fdb\u7a0b\u5360\u7528\u78c1\u76d8\u8bfb\u5199\u60c5\u51b5 iostat iotop pidstat"},"content":{"rendered":"\n<p>\u672c\u6587\u8f6c\u8f7d\u81ea\u7f51\u7edc\uff0c\u6c47\u603b\u4e86\u67e5\u770b\u8fdb\u7a0b\u5360\u7528\u78c1\u76d8\u60c5\u51b5\u6392\u67e5\u7684\u5404\u79cd\u5de5\u5177\uff0c\u5305\u62eciostat, iotop, pidstat\u51e0\u79cd\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55\u5bfc\u822a<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2acc31a7de9\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2acc31a7de9\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#iostat\" >iostat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E5%B8%B8%E8%A7%81%E5%91%BD%E4%BB%A4%E5%B1%95%E7%A4%BA\" >\u5e38\u89c1\u547d\u4ee4\u5c55\u793a&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#iotop\" >iotop<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#pidstat\" >pidstat&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#pidstat_%E5%AE%89%E8%A3%85\" >pidstat \u5b89\u88c5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#pidstat_%E7%A4%BA%E4%BE%8B\" >pidstat \u793a\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E4%B8%80%EF%BC%9A%E6%9F%A5%E7%9C%8B%E6%89%80%E6%9C%89%E8%BF%9B%E7%A8%8B%E7%9A%84_CPU_%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%EF%BC%88_-u_-p_ALL%EF%BC%89\" >\u793a\u4f8b\u4e00\uff1a\u67e5\u770b\u6240\u6709\u8fdb\u7a0b\u7684 CPU \u4f7f\u7528\u60c5\u51b5\uff08 -u -p ALL\uff09<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E8%AF%A6%E7%BB%86%E8%AF%B4%E6%98%8E\" >\u8be6\u7ec6\u8bf4\u660e<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E4%BA%8C_cpu%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%E7%BB%9F%E8%AE%A1-u\" >\u793a\u4f8b\u4e8c: cpu\u4f7f\u7528\u60c5\u51b5\u7edf\u8ba1(-u)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E4%B8%89%EF%BC%9A_%E5%86%85%E5%AD%98%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%E7%BB%9F%E8%AE%A1-r\" >\u793a\u4f8b\u4e09\uff1a \u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7edf\u8ba1(-r)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E5%9B%9B%EF%BC%9A%E6%98%BE%E7%A4%BA%E5%90%84%E4%B8%AA%E8%BF%9B%E7%A8%8B%E7%9A%84IO%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%EF%BC%88-d%EF%BC%89\" >\u793a\u4f8b\u56db\uff1a\u663e\u793a\u5404\u4e2a\u8fdb\u7a0b\u7684IO\u4f7f\u7528\u60c5\u51b5\uff08-d\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E4%BA%94%EF%BC%9A%E6%98%BE%E7%A4%BA%E6%AF%8F%E4%B8%AA%E8%BF%9B%E7%A8%8B%E7%9A%84%E4%B8%8A%E4%B8%8B%E6%96%87%E5%88%87%E6%8D%A2%E6%83%85%E5%86%B5%EF%BC%88-w%EF%BC%89\" >\u793a\u4f8b\u4e94\uff1a\u663e\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u60c5\u51b5\uff08-w\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E5%85%AD%EF%BC%9A%E6%98%BE%E7%A4%BA%E9%80%89%E6%8B%A9%E4%BB%BB%E5%8A%A1%E7%9A%84%E7%BA%BF%E7%A8%8B%E7%9A%84%E7%BB%9F%E8%AE%A1%E4%BF%A1%E6%81%AF%E5%A4%96%E7%9A%84%E9%A2%9D%E5%A4%96%E4%BF%A1%E6%81%AF_-t\" >\u793a\u4f8b\u516d\uff1a\u663e\u793a\u9009\u62e9\u4efb\u52a1\u7684\u7ebf\u7a0b\u7684\u7edf\u8ba1\u4fe1\u606f\u5916\u7684\u989d\u5916\u4fe1\u606f (-t)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.gbase8.cn\/en\/1257\/#%E7%A4%BA%E4%BE%8B%E4%B8%83%EF%BC%9Apidstat_-T\" >\u793a\u4f8b\u4e03\uff1apidstat -T<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iostat\"><\/span>iostat<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.cnblogs.com\/ftl1012\/p\/iostat.html\">https:\/\/www.cnblogs.com\/ftl1012\/p\/iostat.html<\/a><\/p>\n\n\n\n<p>iostat\u662fI\/O statistics\uff08\u8f93\u5165\/\u8f93\u51fa\u7edf\u8ba1\uff09\u7684\u7f29\u5199\uff0ciostat\u5de5\u5177\u5c06\u5bf9\u7cfb\u7edf\u7684\u78c1\u76d8\u64cd\u4f5c\u6d3b\u52a8\u8fdb\u884c\u76d1\u89c6\u3002\u5b83\u7684\u7279\u70b9\u662f\u6c47\u62a5\u78c1\u76d8\u6d3b\u52a8\u7edf\u8ba1\u60c5\u51b5\uff0c\u540c\u65f6\u4e5f\u4f1a\u6c47\u62a5\u51faCPU\u4f7f\u7528\u60c5\u51b5\u3002iostat\u4e5f\u6709\u4e00\u4e2a\u5f31\u70b9\uff0c\u5c31\u662f\u5b83\u4e0d\u80fd\u5bf9\u67d0\u4e2a\u8fdb\u7a0b\u8fdb\u884c\u6df1\u5165\u5206\u6790\uff0c\u4ec5\u5bf9\u7cfb\u7edf\u7684\u6574\u4f53\u60c5\u51b5\u8fdb\u884c\u5206\u6790<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%B8%B8%E8%A7%81%E5%91%BD%E4%BB%A4%E5%B1%95%E7%A4%BA\"><\/span>\u5e38\u89c1\u547d\u4ee4\u5c55\u793a&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>iostat \u5b89\u88c5<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code># iostat\u5c5e\u4e8esysstat\u8f6f\u4ef6\u5305\u3002\u53ef\u4ee5\u76f4\u63a5\u5b89\u88c5\u3002<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>yum <\/code><code>install<\/code>&nbsp;<code>sysstat<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u663e\u793a\u6240\u6709\u8bbe\u5907\u8d1f\u8f7d\u60c5\u51b5<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>iostat<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n<p><strong>cpu\u5c5e\u6027\u503c\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>%user\uff1aCPU\u5904\u5728\u7528\u6237\u6a21\u5f0f\u4e0b\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002<\/p><p>%nice\uff1aCPU\u5904\u5728\u5e26NICE\u503c\u7684\u7528\u6237\u6a21\u5f0f\u4e0b\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002<\/p><p>%system\uff1aCPU\u5904\u5728\u7cfb\u7edf\u6a21\u5f0f\u4e0b\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002<\/p><p>%iowait\uff1aCPU\u7b49\u5f85\u8f93\u5165\u8f93\u51fa\u5b8c\u6210\u65f6\u95f4\u7684\u767e\u5206\u6bd4\u3002<\/p><p>%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<\/p><p>%idle\uff1aCPU\u7a7a\u95f2\u65f6\u95f4\u767e\u5206\u6bd4\u3002<\/p><\/blockquote>\n\n\n\n<p><strong>\u5907\u6ce8\uff1a<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5982\u679c%iowait\u7684\u503c\u8fc7\u9ad8\uff0c\u8868\u793a\u786c\u76d8\u5b58\u5728I\/O\u74f6\u9888<\/p><p>\u5982\u679c%idle\u503c\u9ad8\uff0c\u8868\u793aCPU\u8f83\u7a7a\u95f2<\/p><p>\u5982\u679c%idle\u503c\u9ad8\u4f46\u7cfb\u7edf\u54cd\u5e94\u6162\u65f6\uff0c\u53ef\u80fd\u662fCPU\u7b49\u5f85\u5206\u914d\u5185\u5b58\uff0c\u5e94\u52a0\u5927\u5185\u5b58\u5bb9\u91cf\u3002<\/p><p>\u5982\u679c%idle\u503c\u6301\u7eed\u4f4e\u4e8e10\uff0c\u8868\u660eCPU\u5904\u7406\u80fd\u529b\u76f8\u5bf9\u8f83\u4f4e\uff0c\u7cfb\u7edf\u4e2d\u6700\u9700\u8981\u89e3\u51b3\u7684\u8d44\u6e90\u662fCPU\u3002<\/p><\/blockquote>\n\n\n\n<p><strong>cpu\u5c5e\u6027\u503c\u8bf4\u660e:<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>tps\uff1a\u8be5\u8bbe\u5907\u6bcf\u79d2\u7684\u4f20\u8f93\u6b21\u6570<\/p><p>kB_read\/s\uff1a\u6bcf\u79d2\u4ece\u8bbe\u5907\uff08drive expressed\uff09\u8bfb\u53d6\u7684\u6570\u636e\u91cf\uff1b<\/p><p>kB_wrtn\/s\uff1a\u6bcf\u79d2\u5411\u8bbe\u5907\uff08drive expressed\uff09\u5199\u5165\u7684\u6570\u636e\u91cf\uff1b<\/p><p>kB_read\uff1a&nbsp; \u8bfb\u53d6\u7684\u603b\u6570\u636e\u91cf\uff1b<\/p><p>kB_wrtn\uff1a\u5199\u5165\u7684\u603b\u6570\u91cf\u6570\u636e\u91cf\uff1b<\/p><\/blockquote>\n\n\n\n<p>\u5b9a\u65f6\u663e\u793a\u6240\u6709\u4fe1\u606f<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>12<\/td><td><code># \u3010\u6bcf\u96942\u79d2\u5237\u65b0\u663e\u793a\uff0c\u4e14\u663e\u793a3\u6b21\u3011<\/code><code>iostat 2&nbsp; 3<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u663e\u793a\u6307\u5b9a\u78c1\u76d8\u4fe1\u606f<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>iostat -d <\/code><code>\/dev\/sda<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u663e\u793atty\u548cCpu\u4fe1\u606f<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>iostat -t<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4ee5M\u4e3a\u5355\u4f4d\u663e\u793a\u6240\u6709\u4fe1\u606f<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>iostat -m<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u67e5\u770b\u8bbe\u5907\u4f7f\u7528\u7387\uff08%util\uff09\u3001\u54cd\u5e94\u65f6\u95f4\uff08await\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>123<\/td><td><code>#&nbsp; \u3010-d \u663e\u793a\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5\uff0c-x \u663e\u793a\u8be6\u7ec6\u4fe1\u606f\u3011<\/code><code>#&nbsp; d: detail<\/code><code>iostat -d -x -k 1 1<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>rrqm\/s\uff1a&nbsp; \u6bcf\u79d2\u8fdb\u884c merge \u7684\u8bfb\u64cd\u4f5c\u6570\u76ee.\u5373 delta(rmerge)\/s<\/p><p>wrqm\/s\uff1a \u6bcf\u79d2\u8fdb\u884c merge \u7684\u5199\u64cd\u4f5c\u6570\u76ee.\u5373 delta(wmerge)\/s<\/p><p>%util\uff1a \u4e00\u79d2\u4e2d\u6709\u767e\u5206\u4e4b\u591a\u5c11\u7684\u65f6\u95f4\u7528\u4e8e I\/O<\/p><p>\u5982\u679c%util\u63a5\u8fd1100%\uff0c\u8bf4\u660e\u4ea7\u751f\u7684I\/O\u8bf7\u6c42\u592a\u591a\uff0cI\/O\u7cfb\u7edf\u5df2\u7ecf\u6ee1\u8d1f\u8377<\/p><p>&nbsp;&nbsp; idle\u5c0f\u4e8e70% IO\u538b\u529b\u5c31\u8f83\u5927\u4e86\uff0c\u4e00\u822c\u8bfb\u53d6\u901f\u5ea6\u6709\u8f83\u591a\u7684wait\u3002<\/p><\/blockquote>\n\n\n\n<p>\u67e5\u770bcpu\u72b6\u6001<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>iostat -c 1 1<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"has-luminous-vivid-orange-color has-text-color wp-block-heading\"><span class=\"ez-toc-section\" id=\"iotop\"><\/span>iotop<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>iotop\u662ftop\u548ciostat\u7a0b\u5e8f\u7684\u6df7\u5408\u4f53\uff0c\u80fd\u591f\u663e\u793a\u7cfb\u7edf\u4e2d\u6240\u6709\u8fd0\u884c\u8fdb\u7a0b\u5e76\u5c06\u8fdb\u7a0b\u6839\u636eI\/O\u7edf\u8ba1\u4fe1\u606f\u6392\u5e8f\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u8f6f\u4ef6\u4f7f\u7528\u4e86Linux\u5185\u6838\u7684\u4e00\u4e9b\u65b0\u7279\u6027\uff0c\u6240\u4ee5\u9700\u89812.6.20\u6216\u8005\u66f4\u65b0\u7684\u5185\u6838\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6ca1\u6709\u5b89\u88c5\u8fd9\u4e2a\u7a0b\u5e8f\uff0c\u5b89\u88c5\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@host2 ~]# yum -y install iotop<\/pre>\n\n\n\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u76f4\u63a5\u8f93\u5165iotop\u5c31\u53ef\u4ee5\u770b\u5230\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Total DISK READ :    0.00 B\/s | Total DISK WRITE :       0.00 B\/s\nActual DISK READ:    0.00 B\/s | Actual DISK WRITE:       0.00 B\/s\n   TID  PRIO  USER     DISK READ  DISK WRITE  SWAPIN     IO&gt;    COMMAND                                                                                                                      \n     1 be\/4 root        0.00 B\/s    0.00 B\/s  0.00 %  0.00 % systemd --switched-root --system --deserialize 21\n     2 be\/4 root        0.00 B\/s    0.00 B\/s  0.00 %  0.00 % [kthreadd]\n     3 be\/4 root        0.00 B\/s    0.00 B\/s  0.00 %  0.00 % [ksoftirqd\/0]\n     5 be\/0 root        0.00 B\/s    0.00 B\/s  0.00 %  0.00 % [kworker\/0:0H]\n     7 rt\/4 root        0.00 B\/s    0.00 B\/s  0.00 %  0.00 % [migration\/0]\n     8 be\/4 root        0.00 B\/s    0.00 B\/s  0.00 %  0.00 % [rcu_bh]<br>\u2026\u2026\u2026\u2026<br>\u2026\u2026\u2026\u2026<\/pre>\n\n\n\n<p>\u5404\u4e2a\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p>\u3000\u3000-o, --only\u53ea\u663e\u793a\u6b63\u5728\u4ea7\u751fI\/O\u7684\u8fdb\u7a0b\u6216\u7ebf\u7a0b\u3002\u9664\u4e86\u4f20\u53c2\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u6309o\u751f\u6548\u3002<br>\u3000\u3000-b, --batch\u975e\u4ea4\u4e92\u6a21\u5f0f\uff0c\u4e00\u822c\u7528\u6765\u8bb0\u5f55\u65e5\u5fd7\u3002<br>\u3000\u3000-n NUM, --iter=NUM\u8bbe\u7f6e\u76d1\u6d4b\u7684\u6b21\u6570\uff0c\u9ed8\u8ba4\u65e0\u9650\u3002\u5728\u975e\u4ea4\u4e92\u6a21\u5f0f\u4e0b\u5f88\u6709\u7528\u3002<br>\u3000\u3000-d SEC, --delay=SEC\u8bbe\u7f6e\u6bcf\u6b21\u76d1\u6d4b\u7684\u95f4\u9694\uff0c\u9ed8\u8ba41\u79d2\uff0c\u63a5\u53d7\u975e\u6574\u5f62\u6570\u636e\u4f8b\u59821.1\u3002<br>\u3000\u3000-p PID, --pid=PID\u6307\u5b9a\u76d1\u6d4b\u7684\u8fdb\u7a0b\/\u7ebf\u7a0b\u3002<br>\u3000\u3000-u USER, --user=USER\u6307\u5b9a\u76d1\u6d4b\u67d0\u4e2a\u7528\u6237\u4ea7\u751f\u7684I\/O\u3002<br>\u3000\u3000-P, --processes\u4ec5\u663e\u793a\u8fdb\u7a0b\uff0c\u9ed8\u8ba4iotop\u663e\u793a\u6240\u6709\u7ebf\u7a0b\u3002<br>\u3000\u3000-a, --accumulated\u663e\u793a\u7d2f\u79ef\u7684I\/O\uff0c\u800c\u4e0d\u662f\u5e26\u5bbd\u3002<br>\u3000\u3000-k, --kilobytes\u4f7f\u7528kB\u5355\u4f4d\uff0c\u800c\u4e0d\u662f\u5bf9\u4eba\u53cb\u597d\u7684\u5355\u4f4d\u3002\u5728\u975e\u4ea4\u4e92\u6a21\u5f0f\u4e0b\uff0c\u811a\u672c\u7f16\u7a0b\u6709\u7528\u3002<br>\u3000\u3000-t, --time \u52a0\u4e0a\u65f6\u95f4\u6233\uff0c\u975e\u4ea4\u4e92\u975e\u6a21\u5f0f\u3002<br>\u3000\u3000-q, --quiet \u7981\u6b62\u5934\u51e0\u884c\uff0c\u975e\u4ea4\u4e92\u6a21\u5f0f\u3002\u6709\u4e09\u79cd\u6307\u5b9a\u65b9\u5f0f\u3002<br>\u3000\u3000-q \u53ea\u5728\u7b2c\u4e00\u6b21\u76d1\u6d4b\u65f6\u663e\u793a\u5217\u540d<br>\u3000\u3000-qq \u6c38\u8fdc\u4e0d\u663e\u793a\u5217\u540d\u3002<br>\u3000\u3000-qqq \u6c38\u8fdc\u4e0d\u663e\u793aI\/O\u6c47\u603b\u3002<br>\u4ea4\u4e92\u6309\u952e\uff1a<br>\u3000\u3000\u548ctop\u547d\u4ee4\u7c7b\u4f3c\uff0ciotop\u4e5f\u652f\u6301\u4ee5\u4e0b\u51e0\u4e2a\u4ea4\u4e92\u6309\u952e\u3002<br>\u3000\u3000left\u548cright\u65b9\u5411\u952e\uff1a\u6539\u53d8\u6392\u5e8f\u3002\u3000\u3000<br>\u3000\u3000r\uff1a\u53cd\u5411\u6392\u5e8f\u3002<br>\u3000\u3000o\uff1a\u5207\u6362\u81f3\u9009\u9879--only\u3002<br>\u3000\u3000p\uff1a\u5207\u6362\u81f3--processes\u9009\u9879\u3002<br>\u3000\u3000a\uff1a\u5207\u6362\u81f3--accumulated\u9009\u9879\u3002<br>\u3000\u3000q\uff1a\u9000\u51fa\u3002<br>\u3000\u3000i\uff1a\u6539\u53d8\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n\n\n\n<p>\u4e00\u4e9b\u5e38\u7528\u8f93\u5165\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#\u65f6\u95f4\u5237\u65b0\u95f4\u96943\u79d2\uff0c\u8f93\u51fa3\u6b21\n[root@host2 ~]# iotop -d 3 -n 3\n#\u975e\u4ea4\u4e92\u5f0f\uff0c\u8f93\u51fa3\u6b21\uff0c\u95f4\u96943\u79d2\uff0c\u8f93\u51fa\u5230\u5c4f\u5e55\uff0c\u4e5f\u53ef\u8f93\u51fa\u5230\u65e5\u5fd7\u6587\u672c\uff0c\u7528\u4e8e\u76d1\u63a7\u67d0\u65f6\u95f4\u6bb5\u7684io\u4fe1\u606f\n[root@host2 ~]# iotop -botq -n 3 -d 3\n#\u975e\u4ea4\u4e92\u5f0f\uff0c\u8f93\u51fapid\u4e3a53754\n[root@host2 ~]# iotop -botq  -p53754<\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"pidstat\"><\/span>pidstat&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u8f6c\u8f7d\u81ea<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cnblogs.com\/xibuhaohao\/p\/9946644.html\">https:\/\/www.cnblogs.com\/xibuhaohao\/p\/9946644.html<\/a><\/p>\n\n\n\n<p>pidstat\u662fsysstat\u5de5\u5177\u7684\u4e00\u4e2a\u547d\u4ee4\uff0c\u7528\u4e8e\u76d1\u63a7\u5168\u90e8\u6216\u6307\u5b9a\u8fdb\u7a0b\u7684cpu\u3001\u5185\u5b58\u3001\u7ebf\u7a0b\u3001\u8bbe\u5907IO\u7b49\u7cfb\u7edf\u8d44\u6e90\u7684\u5360\u7528\u60c5\u51b5\u3002pidstat\u9996\u6b21\u8fd0\u884c\u65f6\u663e\u793a\u81ea\u7cfb\u7edf\u542f\u52a8\u5f00\u59cb\u7684\u5404\u9879\u7edf\u8ba1\u4fe1\u606f\uff0c\u4e4b\u540e\u8fd0\u884cpidstat\u5c06\u663e\u793a\u81ea\u4e0a\u6b21\u8fd0\u884c\u8be5\u547d\u4ee4\u4ee5\u540e\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7edf\u8ba1\u7684\u6b21\u6570\u548c\u65f6\u95f4\u6765\u83b7\u5f97\u6240\u9700\u7684\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"pidstat_%E5%AE%89%E8%A3%85\"><\/span>pidstat \u5b89\u88c5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>pidstat \u662fsysstat\u8f6f\u4ef6\u5957\u4ef6\u7684\u4e00\u90e8\u5206\uff0csysstat\u5305\u542b\u5f88\u591a\u76d1\u63a7linux\u7cfb\u7edf\u72b6\u6001\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u591f\u4ece\u5927\u591a\u6570linux\u53d1\u884c\u7248\u7684\u8f6f\u4ef6\u6e90\u4e2d\u83b7\u5f97\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5728Debian\/Ubuntu\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u5b89\u88c5:<br>apt-get install sysstat<\/li><li>CentOS\/Fedora\/RHEL\u7248\u672c\u7684linux\u4e2d\u5219\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<br>yum install sysstat<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"pidstat_%E7%A4%BA%E4%BE%8B\"><\/span>pidstat \u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>pidstat \u7684\u7528\u6cd5\uff1a<em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat &#91; \u9009\u9879 ] &#91; &lt;\u65f6\u95f4\u95f4\u9694> ] &#91; &lt;\u6b21\u6570> ]\n<\/code><\/pre>\n\n\n\n<p>\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image is-style-default\"><img decoding=\"async\" src=\"\/\/upload-images.jianshu.io\/upload_images\/2843224-8b6e338a330cd593.png?imageMogr2\/auto-orient\/strip|imageView2\/2\/w\/758\/format\/webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5e38\u7528\u7684\u53c2\u6570\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>-u\uff1a\u9ed8\u8ba4\u7684\u53c2\u6570\uff0c\u663e\u793a\u5404\u4e2a\u8fdb\u7a0b\u7684cpu\u4f7f\u7528\u7edf\u8ba1<\/li><li>-r\uff1a\u663e\u793a\u5404\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u7edf\u8ba1<\/li><li>-d\uff1a\u663e\u793a\u5404\u4e2a\u8fdb\u7a0b\u7684IO\u4f7f\u7528\u60c5\u51b5<\/li><li>-p\uff1a\u6307\u5b9a\u8fdb\u7a0b\u53f7<\/li><li>-w\uff1a\u663e\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u60c5\u51b5<\/li><li>-t\uff1a\u663e\u793a\u9009\u62e9\u4efb\u52a1\u7684\u7ebf\u7a0b\u7684\u7edf\u8ba1\u4fe1\u606f\u5916\u7684\u989d\u5916\u4fe1\u606f<\/li><li>-T { TASK | CHILD | ALL }<br>\u8fd9\u4e2a\u9009\u9879\u6307\u5b9a\u4e86pidstat\u76d1\u63a7\u7684\u3002TASK\u8868\u793a\u62a5\u544a\u72ec\u7acb\u7684task\uff0cCHILD\u5173\u952e\u5b57\u8868\u793a\u62a5\u544a\u8fdb\u7a0b\u4e0b\u6240\u6709\u7ebf\u7a0b\u7edf\u8ba1\u4fe1\u606f\u3002ALL\u8868\u793a\u62a5\u544a\u72ec\u7acb\u7684task\u548ctask\u4e0b\u9762\u7684\u6240\u6709\u7ebf\u7a0b\u3002<br>\u6ce8\u610f\uff1atask\u548c\u5b50\u7ebf\u7a0b\u7684\u5168\u5c40\u7684\u7edf\u8ba1\u4fe1\u606f\u548cpidstat\u9009\u9879\u65e0\u5173\u3002\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f\u4e0d\u4f1a\u5bf9\u5e94\u5230\u5f53\u524d\u7684\u7edf\u8ba1\u95f4\u9694\uff0c\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f\u53ea\u6709\u5728\u5b50\u7ebf\u7a0bkill\u6216\u8005\u5b8c\u6210\u7684\u65f6\u5019\u624d\u4f1a\u88ab\u6536\u96c6\u3002<\/li><li>-V\uff1a\u7248\u672c\u53f7<\/li><li>-h\uff1a\u5728\u4e00\u884c\u4e0a\u663e\u793a\u4e86\u6240\u6709\u6d3b\u52a8\uff0c\u8fd9\u6837\u5176\u4ed6\u7a0b\u5e8f\u53ef\u4ee5\u5bb9\u6613\u89e3\u6790\u3002<\/li><li>-I\uff1a\u5728SMP\u73af\u5883\uff0c\u8868\u793a\u4efb\u52a1\u7684CPU\u4f7f\u7528\u7387\/\u5185\u6838\u6570\u91cf<\/li><li>-l\uff1a\u663e\u793a\u547d\u4ee4\u540d\u548c\u6240\u6709\u53c2\u6570<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E4%B8%80%EF%BC%9A%E6%9F%A5%E7%9C%8B%E6%89%80%E6%9C%89%E8%BF%9B%E7%A8%8B%E7%9A%84_CPU_%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%EF%BC%88_-u_-p_ALL%EF%BC%89\"><\/span>\u793a\u4f8b\u4e00\uff1a\u67e5\u770b\u6240\u6709\u8fdb\u7a0b\u7684 CPU \u4f7f\u7528\u60c5\u51b5\uff08 -u -p ALL\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat\npidstat -u -p ALL\n<\/code><\/pre>\n\n\n\n<p>pidstat \u548c pidstat -u -p ALL \u662f\u7b49\u6548\u7684\u3002<br>pidstat \u9ed8\u8ba4\u663e\u793a\u4e86\u6240\u6709\u8fdb\u7a0b\u7684cpu\u4f7f\u7528\u7387\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image is-style-default\"><img decoding=\"async\" src=\"\/\/upload-images.jianshu.io\/upload_images\/2843224-bee9066f2689e541.png?imageMogr2\/auto-orient\/strip|imageView2\/2\/w\/803\/format\/webp\" alt=\"\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%A6%E7%BB%86%E8%AF%B4%E6%98%8E\"><\/span>\u8be6\u7ec6\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>PID\uff1a\u8fdb\u7a0bID<\/li><li>%usr\uff1a\u8fdb\u7a0b\u5728\u7528\u6237\u7a7a\u95f4\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>%system\uff1a\u8fdb\u7a0b\u5728\u5185\u6838\u7a7a\u95f4\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>%guest\uff1a\u8fdb\u7a0b\u5728\u865a\u62df\u673a\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>%CPU\uff1a\u8fdb\u7a0b\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>CPU\uff1a\u5904\u7406\u8fdb\u7a0b\u7684cpu\u7f16\u53f7<\/li><li>Command\uff1a\u5f53\u524d\u8fdb\u7a0b\u5bf9\u5e94\u7684\u547d\u4ee4<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E4%BA%8C_cpu%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%E7%BB%9F%E8%AE%A1-u\"><\/span>\u793a\u4f8b\u4e8c: cpu\u4f7f\u7528\u60c5\u51b5\u7edf\u8ba1(-u)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat -u\n<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528-u\u9009\u9879\uff0cpidstat\u5c06\u663e\u793a\u5404\u6d3b\u52a8\u8fdb\u7a0b\u7684cpu\u4f7f\u7528\u7edf\u8ba1\uff0c\u6267\u884c\u201dpidstat -u\u201d\u4e0e\u5355\u72ec\u6267\u884c\u201dpidstat\u201d\u7684\u6548\u679c\u4e00\u6837\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E4%B8%89%EF%BC%9A_%E5%86%85%E5%AD%98%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%E7%BB%9F%E8%AE%A1-r\"><\/span>\u793a\u4f8b\u4e09\uff1a \u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7edf\u8ba1(-r)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat -r\n<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528-r\u9009\u9879\uff0cpidstat\u5c06\u663e\u793a\u5404\u6d3b\u52a8\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u7edf\u8ba1\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image is-style-default\"><img decoding=\"async\" src=\"\/\/upload-images.jianshu.io\/upload_images\/2843224-dd469d8d55e58237.png?imageMogr2\/auto-orient\/strip|imageView2\/2\/w\/807\/format\/webp\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>PID\uff1a\u8fdb\u7a0b\u6807\u8bc6\u7b26<\/li><li>Minflt\/s:\u4efb\u52a1\u6bcf\u79d2\u53d1\u751f\u7684\u6b21\u8981\u9519\u8bef\uff0c\u4e0d\u9700\u8981\u4ece\u78c1\u76d8\u4e2d\u52a0\u8f7d\u9875<\/li><li>Majflt\/s:\u4efb\u52a1\u6bcf\u79d2\u53d1\u751f\u7684\u4e3b\u8981\u9519\u8bef\uff0c\u9700\u8981\u4ece\u78c1\u76d8\u4e2d\u52a0\u8f7d\u9875<\/li><li>VSZ\uff1a\u865a\u62df\u5730\u5740\u5927\u5c0f\uff0c\u865a\u62df\u5185\u5b58\u7684\u4f7f\u7528KB<\/li><li>RSS\uff1a\u5e38\u9a7b\u96c6\u5408\u5927\u5c0f\uff0c\u975e\u4ea4\u6362\u533a\u4e94\u91cc\u5185\u5b58\u4f7f\u7528KB<\/li><li>Command\uff1atask\u547d\u4ee4\u540d<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E5%9B%9B%EF%BC%9A%E6%98%BE%E7%A4%BA%E5%90%84%E4%B8%AA%E8%BF%9B%E7%A8%8B%E7%9A%84IO%E4%BD%BF%E7%94%A8%E6%83%85%E5%86%B5%EF%BC%88-d%EF%BC%89\"><\/span>\u793a\u4f8b\u56db\uff1a\u663e\u793a\u5404\u4e2a\u8fdb\u7a0b\u7684IO\u4f7f\u7528\u60c5\u51b5\uff08-d\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat -d\n<\/code><\/pre>\n\n\n\n<p>\u62a5\u544aIO\u7edf\u8ba1\u663e\u793a\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>PID\uff1a\u8fdb\u7a0bid<\/li><li>kB_rd\/s\uff1a\u6bcf\u79d2\u4ece\u78c1\u76d8\u8bfb\u53d6\u7684KB<\/li><li>kB_wr\/s\uff1a\u6bcf\u79d2\u5199\u5165\u78c1\u76d8KB<\/li><li>kB_ccwr\/s\uff1a\u4efb\u52a1\u53d6\u6d88\u7684\u5199\u5165\u78c1\u76d8\u7684KB\u3002\u5f53\u4efb\u52a1\u622a\u65ad\u810f\u7684pagecache\u7684\u65f6\u5019\u4f1a\u53d1\u751f\u3002<\/li><li>COMMAND:task\u7684\u547d\u4ee4\u540d<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E4%BA%94%EF%BC%9A%E6%98%BE%E7%A4%BA%E6%AF%8F%E4%B8%AA%E8%BF%9B%E7%A8%8B%E7%9A%84%E4%B8%8A%E4%B8%8B%E6%96%87%E5%88%87%E6%8D%A2%E6%83%85%E5%86%B5%EF%BC%88-w%EF%BC%89\"><\/span>\u793a\u4f8b\u4e94\uff1a\u663e\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u60c5\u51b5\uff08-w\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat -w -p 2831\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>PID:\u8fdb\u7a0bid<\/li><li>Cswch\/s:\u6bcf\u79d2\u4e3b\u52a8\u4efb\u52a1\u4e0a\u4e0b\u6587\u5207\u6362\u6570\u91cf<\/li><li>Nvcswch\/s:\u6bcf\u79d2\u88ab\u52a8\u4efb\u52a1\u4e0a\u4e0b\u6587\u5207\u6362\u6570\u91cf<\/li><li>Command:\u547d\u4ee4\u540d<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E5%85%AD%EF%BC%9A%E6%98%BE%E7%A4%BA%E9%80%89%E6%8B%A9%E4%BB%BB%E5%8A%A1%E7%9A%84%E7%BA%BF%E7%A8%8B%E7%9A%84%E7%BB%9F%E8%AE%A1%E4%BF%A1%E6%81%AF%E5%A4%96%E7%9A%84%E9%A2%9D%E5%A4%96%E4%BF%A1%E6%81%AF_-t\"><\/span>\u793a\u4f8b\u516d\uff1a\u663e\u793a\u9009\u62e9\u4efb\u52a1\u7684\u7ebf\u7a0b\u7684\u7edf\u8ba1\u4fe1\u606f\u5916\u7684\u989d\u5916\u4fe1\u606f (-t)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat -t -p 2831\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>TGID:\u4e3b\u7ebf\u7a0b\u7684\u8868\u793a<\/li><li>TID:\u7ebf\u7a0bid<\/li><li>%usr\uff1a\u8fdb\u7a0b\u5728\u7528\u6237\u7a7a\u95f4\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>%system\uff1a\u8fdb\u7a0b\u5728\u5185\u6838\u7a7a\u95f4\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>%guest\uff1a\u8fdb\u7a0b\u5728\u865a\u62df\u673a\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>%CPU\uff1a\u8fdb\u7a0b\u5360\u7528cpu\u7684\u767e\u5206\u6bd4<\/li><li>CPU\uff1a\u5904\u7406\u8fdb\u7a0b\u7684cpu\u7f16\u53f7<\/li><li>Command\uff1a\u5f53\u524d\u8fdb\u7a0b\u5bf9\u5e94\u7684\u547d\u4ee4<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B%E4%B8%83%EF%BC%9Apidstat_-T\"><\/span>\u793a\u4f8b\u4e03\uff1apidstat -T<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><em><\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pidstat -T TASK\npidstat -T CHILD\npidstat -T ALL\n<\/code><\/pre>\n\n\n\n<p>TASK\u8868\u793a\u62a5\u544a\u72ec\u7acb\u7684task\u3002<br>CHILD\u5173\u952e\u5b57\u8868\u793a\u62a5\u544a\u8fdb\u7a0b\u4e0b\u6240\u6709\u7ebf\u7a0b\u7edf\u8ba1\u4fe1\u606f\u3002<br>ALL\u8868\u793a\u62a5\u544a\u72ec\u7acb\u7684task\u548ctask\u4e0b\u9762\u7684\u6240\u6709\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u6ce8\u610f\uff1atask\u548c\u5b50\u7ebf\u7a0b\u7684\u5168\u5c40\u7684\u7edf\u8ba1\u4fe1\u606f\u548cpidstat\u9009\u9879\u65e0\u5173\u3002\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f\u4e0d\u4f1a\u5bf9\u5e94\u5230\u5f53\u524d\u7684\u7edf\u8ba1\u95f4\u9694\uff0c\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f\u53ea\u6709\u5728\u5b50\u7ebf\u7a0bkill\u6216\u8005\u5b8c\u6210\u7684\u65f6\u5019\u624d\u4f1a\u88ab\u6536\u96c6\u3002<\/p><\/blockquote>\n\n\n\n<ul class=\"wp-block-list\"><li>PID:\u8fdb\u7a0bid<\/li><li>Usr-ms:\u4efb\u52a1\u548c\u5b50\u7ebf\u7a0b\u5728\u7528\u6237\u7ea7\u522b\u4f7f\u7528\u7684\u6beb\u79d2\u6570\u3002<\/li><li>System-ms:\u4efb\u52a1\u548c\u5b50\u7ebf\u7a0b\u5728\u7cfb\u7edf\u7ea7\u522b\u4f7f\u7528\u7684\u6beb\u79d2\u6570\u3002<\/li><li>Guest-ms:\u4efb\u52a1\u548c\u5b50\u7ebf\u7a0b\u5728\u865a\u62df\u673a(running a virtual processor)\u4f7f\u7528\u7684\u6beb\u79d2\u6570\u3002<\/li><li>Command:\u547d\u4ee4\u540d<\/li><\/ul>\n\n\n\n<p>\u4f5c\u8005\uff1ajijs<br>\u94fe\u63a5\uff1ahttps:\/\/www.jianshu.com\/p\/3991c0dba094<br>\u6765\u6e90\uff1a\u7b80\u4e66<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u8f6c\u8f7d\u81ea\u7f51\u7edc\uff0c\u6c47\u603b\u4e86\u67e5\u770b\u8fdb\u7a0b\u5360\u7528\u78c1\u76d8\u60c5\u51b5\u6392\u67e5\u7684\u5404\u79cd\u5de5\u5177\uff0c\u5305\u62eciostat, iotop, pidstat\u51e0\u79cd\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[72],"class_list":["post-1257","post","type-post","status-publish","format-standard","hentry","category-1","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=1257"}],"version-history":[{"count":8,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1257\/revisions"}],"predecessor-version":[{"id":1488,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1257\/revisions\/1488"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=1257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=1257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=1257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}