{"id":199609,"date":"2025-05-05T19:22:10","date_gmt":"2025-05-05T11:22:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/?p=199609"},"modified":"2025-05-05T23:45:01","modified_gmt":"2025-05-05T15:45:01","slug":"%e4%b8%80%e7%ab%99%e5%bc%8f-linux-%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-oc-ops-%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%e4%b8%8e%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199609\/","title":{"rendered":"\u4e00\u7ad9\u5f0f Linux \u8fd0\u7ef4\u5de5\u5177 oc-ops \u6df1\u5ea6\u89e3\u6790\u4e0e\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u5b9e\u8df5"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h2>oc-ops \u5de5\u5177\u8bbe\u8ba1\u521d\u8877\u4e0e\u5e94\u7528\u4ef7\u503c<\/h2>\n<p>\u5728\u4f20\u7edf Linux \u8fd0\u7ef4\u4e2d\uff0c\u5de5\u5177\u5206\u6563\u3001\u547d\u4ee4\u590d\u6742\u3001\u6570\u636e\u91cf\u5e9e\u5927\u662f\u963b\u788d\u6548\u7387\u63d0\u5347\u7684\u4e3b\u8981\u969c\u788d\u3002\u4f8b\u5982\uff0cblktrace\u3001blkparse \u7b49\u5de5\u5177\u751f\u6210\u7684 IO \u6570\u636e\u975e\u5e38\u5e9e\u5927\uff0c\u4eba\u5de5\u5206\u6790\u8d39\u65f6\u8d39\u529b\uff1b\u800c\u591a\u4e2a\u5b50\u547d\u4ee4\u548c\u53c2\u6570\u7684\u5b66\u4e60\u6210\u672c\u4e5f\u5bf9\u521d\u5b66\u8005\u4e0d\u592a\u53cb\u597d\u3002<\/p>\n<p><strong>oc-ops \u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/strong><\/p>\n<ul>\n<li>\u63d0\u4f9b\u7edf\u4e00\u5165\u53e3\u7ba1\u7406\u591a\u79cd\u7cfb\u7edf\u5206\u6790\u5de5\u5177\uff1b<\/li>\n<li>\u7b80\u5316\u547d\u4ee4\u8bed\u6cd5\uff0c\u652f\u6301 tab \u81ea\u52a8\u8865\u5168\uff1b<\/li>\n<li>\u56fa\u5316\u4e13\u5bb6\u7ecf\u9a8c\uff0c\u964d\u4f4e\u4f7f\u7528\u95e8\u69db\uff1b<\/li>\n<li>\u5b9e\u73b0\u4e00\u7ad9\u5f0f\u8bca\u65ad\uff0c\u63d0\u5347\u5b9a\u4f4d\u6548\u7387\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>oc-ops \u547d\u4ee4\u8bed\u6cd5\u4e0e\u7ed3\u6784\u8bbe\u8ba1<\/h2>\n<h3>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"language-bash\">oc-ops [opt] [cmdargs]\r\n<\/code><\/pre>\n<p>\u5e38\u7528\u53c2\u6570\uff1a<\/p>\n<ul>\n<li><code>oc-ops -h<\/code>\uff1a\u67e5\u770b\u6240\u6709\u5b50\u547d\u4ee4\u8bf4\u660e\uff1b<\/li>\n<li><code>oc-ops -v<\/code>\uff1a\u67e5\u770b\u5f53\u524d\u7248\u672c\uff1b<\/li>\n<li><code>oc-ops -d<\/code>\uff1a\u542f\u7528\u8c03\u8bd5\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u547d\u4ee4\u5c42\u7ea7\u63a7\u5236\u5728 4 \u7ea7\u4ee5\u5185\uff0c\u5e76\u5c3d\u91cf\u4ee5\u81ea\u7136\u8bed\u8a00\u8868\u8fbe\uff0c\u63d0\u5347\u53ef\u8bfb\u6027\u548c\u6613\u7528\u6027\u3002<\/p>\n<hr \/>\n<h2>\u6838\u5fc3\u5b50\u547d\u4ee4\u529f\u80fd\u6982\u89c8<\/h2>\n<h3>1. \u5185\u5b58\u6d88\u8017\u8bca\u65ad\uff1a<code>oc-ops mem checkcost<\/code><\/h3>\n<p>\u6b64\u547d\u4ee4\u5e2e\u52a9\u8bca\u65ad\u5185\u5b58\u8d44\u6e90\u4f7f\u7528\u5f02\u5e38\uff0c\u81ea\u52a8\u5224\u65ad Buffers\u3001AnonPages\u3001Slab \u7b49\u5185\u5b58\u9886\u57df\u662f\u5426\u5b58\u5728\u5f02\u5e38\u589e\u957f\uff0c\u5e76\u7ed9\u51fa\u4e0b\u4e00\u6b65\u5b9a\u4f4d\u5efa\u8bae\u3002\u793a\u4f8b\u7528\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\">oc-ops mem checkcost -n 5 -d\r\n<\/code><\/pre>\n<p>\u53ef\u5feb\u901f\u627e\u51fa\u9ad8\u6d88\u8017\u8fdb\u7a0b\uff0c\u5e76\u7ed3\u5408\u7f13\u5b58\u6e05\u7406\u673a\u5236\u8fdb\u884c\u5bf9\u6bd4\u5206\u6790\u3002<\/p>\n<hr \/>\n<h3>2. IO \u5ef6\u8fdf\u5206\u6790\uff1a<code>oc-ops io latency<\/code><\/h3>\n<p>\u7528\u4e8e\u76d1\u63a7\u78c1\u76d8\u8bbe\u5907\u7684 IO \u65f6\u5ef6\uff0c\u7279\u522b\u9002\u5408\u90e8\u7f72\u5728\u9ad8\u5e76\u53d1\u4e1a\u52a1\u573a\u666f\u4e2d\u7684\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668\u73af\u5883\u4e2d\u3002<\/p>\n<pre><code class=\"language-bash\">oc-ops io latency -d sda -a 0.2 -m 5 -p 60\r\n<\/code><\/pre>\n<ul>\n<li>\u652f\u6301\u591a\u8bbe\u5907\u76d1\u63a7\uff1b<\/li>\n<li>\u81ea\u52a8\u6eda\u52a8\u8bb0\u5f55\u65e5\u5fd7\uff1b<\/li>\n<li>\u63d0\u4f9b\u5e73\u5747\u503c\u4e0e\u6700\u5927\u503c\u9608\u503c\u8bbe\u5b9a\u3002<\/li>\n<\/ul>\n<p>\u6ce8\u610f\u907f\u514d\u5c06\u65e5\u5fd7\u5b58\u50a8\u5728\u88ab\u76d1\u63a7\u8bbe\u5907\u6216\u5185\u5b58\u6587\u4ef6\u7cfb\u7edf\u4e0a\uff0c\u4ee5\u514d\u5e72\u6270\u7ed3\u679c\u3002<\/p>\n<hr \/>\n<h3>3. \u4e2d\u65ad\u54cd\u5e94\u5ef6\u8fdf\u76d1\u63a7\uff1a<code>oc-ops cpu irq latency<\/code><\/h3>\n<p>\u76d1\u6d4b CPU \u4e2d\u65ad\u5904\u7406\u7684\u5ef6\u8fdf\u60c5\u51b5\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f\uff0c\u5982\u91d1\u878d\u3001\u4ea4\u6613\u7b49\u5bf9\u5ef6\u8fdf\u6781\u5176\u654f\u611f\u7684\u7cfb\u7edf\u3002<\/p>\n<pre><code class=\"language-bash\">oc-ops cpu irq latency -e 1 -t 50\r\n<\/code><\/pre>\n<ul>\n<li>\u6bcf 60 \u79d2\u81ea\u52a8\u8f93\u51fa\u7edf\u8ba1\uff1b<\/li>\n<li>\u8d85\u8fc7\u9608\u503c\u5c06\u8f93\u51fa\u6808\u4fe1\u606f\uff1b<\/li>\n<li>\u53ef\u624b\u52a8\u6e05\u9664\u4e0e\u5173\u95ed\u76d1\u63a7\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u7ed3\u5408<a href=\"https:\/\/server.hk\/\">\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6784\u5efa\u9ad8\u6548\u7cfb\u7edf\u8fd0\u7ef4\u4f53\u7cfb<\/h2>\n<p>\u5728\u4f7f\u7528 oc-ops \u63d0\u5347\u7cfb\u7edf\u53ef\u89c2\u6d4b\u6027\u7684\u540c\u65f6\uff0c\u914d\u5408\u6027\u80fd\u5353\u8d8a\u7684\u9999\u6e2f\u4e91\u8ba1\u7b97\u57fa\u7840\u8bbe\u65bd\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u9ad8\u5e76\u53d1\u3001\u9ad8\u7a33\u5b9a\u6027\u4e1a\u52a1\u573a\u666f\u3002<\/p>\n<p>\u9009\u62e9\u9ad8\u54c1\u8d28\u9999\u6e2fVPS\u4e0e\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668\u4ea7\u54c1\uff0c\u60a8\u5c06\u83b7\u5f97\uff1a<\/p>\n<ul>\n<li>\u7a33\u5b9a\u4f4e\u5ef6\u8fdf\u7684\u56fd\u9645\u7f51\u7edc\u63a5\u5165\uff1b<\/li>\n<li>\u5f39\u6027\u8d44\u6e90\u6269\u5c55\u4e0e\u4f01\u4e1a\u7ea7 SLA\uff1b<\/li>\n<li>\u6280\u672f\u652f\u6301\u4e0e\u672c\u5730\u5316\u670d\u52a1\u56e2\u961f\uff1b<\/li>\n<li>\u5b8c\u5584\u7684\u8fdc\u7a0b\u7ba1\u7406\u4e0e\u707e\u5907\u673a\u5236\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u7ed3\u8bed<\/h2>\n<p>oc-ops \u4f5c\u4e3a\u4e00\u6b3e\u6b63\u5728\u6301\u7eed\u4f18\u5316\u7684\u4e00\u7ad9\u5f0f Linux \u8fd0\u7ef4\u5de5\u5177\uff0c\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u63d0\u5347\u95ee\u9898\u5b9a\u4f4d\u6548\u7387\uff0c\u4e5f\u5728\u4e0d\u65ad\u6269\u5c55\u529f\u80fd\u9886\u57df\uff0c\u4f8b\u5982\u5065\u5eb7\u68c0\u67e5\u3001\u7f51\u7edc\u4e22\u5305\u5206\u6790\u3001\u8bef\u5220\u6062\u590d\u3001\u4fe1\u53f7\u8ffd\u8e2a\u7b49\u3002<\/p>\n<p>\u82e5\u60a8\u7684\u4e1a\u52a1\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u4e0e\u7cfb\u7edf\u53ef\u89c6\u5316\u8981\u6c42\u6781\u9ad8\uff0c\u7ed3\u5408 oc-ops \u5de5\u5177\u4e0e \u63d0\u4f9b\u7684\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u670d\u52a1\uff0c\u5c06\u662f\u60a8\u6784\u5efa\u7a33\u5b9a\u3001\u7075\u6d3b\u3001\u9ad8\u6548\u8fd0\u7ef4\u4f53\u7cfb\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; oc-ops \u5de5\u5177&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-199609","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199609"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199609\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}