{"id":1094,"date":"2019-09-09T01:50:40","date_gmt":"2019-09-08T17:50:40","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1094"},"modified":"2023-12-04T16:31:38","modified_gmt":"2023-12-04T08:31:38","slug":"linux%e5%b8%b8%e7%94%a8%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1094","title":{"rendered":"linux\u8fdb\u7a0b\u76f8\u5173\u547d\u4ee4\u2014\u2014ps,lsof,trace"},"content":{"rendered":"<h3>1\u3001\u67e5\u770b\u8fdb\u7a0b\u5217\u8868<\/h3>\n<ul>\n<li>\u5217\u51fa\u6240\u6709\u8fdb\u7a0b<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">ps -e\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/e706292351cf1263fb9c7bf99321b869.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u5217\u51fa\u6240\u6709\u8fdb\u7a0b\u66f4\u5b8c\u6574\u7684\u4fe1\u606f<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">ps aux\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/5ed71e9b8377cf600792a9735489030b.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u67e5\u627e\u5360\u7528cpu\u6700\u9ad8\u768410\u4e2a\u8fdb\u7a0b<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">ps aux | sort -k3nr | head -n 10\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/2d2f3d79da3868fce007d12495710d8c.png\" alt=\"\" \/><br \/>\n&#8211; \u67e5\u770b\u5360\u7528\u5185\u5b58\u6700\u9ad8\u768410\u4e2a\u8fdb\u7a0b<\/p>\n<pre><code class=\"language-shell line-numbers\">ps aux | sort -k4nr | head -n 10\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/15b57e839f2ee6315d170c8837b2b720.png\" alt=\"\" \/><\/p>\n<h4>\u8fdb\u7a0b\u5404\u5217\u542b\u4e49<\/h4>\n<ul>\n<li>USER \u6267\u884c\u8005\u8eab\u4efd<\/li>\n<li>PID \u8fdb\u7a0bID\u53f7<\/li>\n<li>%CPU CPU\u4f7f\u7528\u767e\u5206\u6bd4<\/li>\n<li>%MEM \u5185\u5b58\u4f7f\u7528\u767e\u5206\u6bd4<\/li>\n<li>VSZ  \u865a\u62df\u5185\u5b58\u5360\u7528\u5927\u5c0f<\/li>\n<li>RSS \u5b9e\u9645\u5185\u5b58\u5360\u7528\u5927\u5c0f<\/li>\n<li>TTY \u767b\u5165\u8005\u7684\u7ec8\u7aef\u673a\u4f4d\u7f6e<\/li>\n<li>STAT \u8fdb\u7a0b\u72b6\u6001<\/li>\n<li>START \u8fdb\u7a0b\u542f\u52a8\u65f6\u523b<\/li>\n<li>TIME \u8fdb\u7a0b\u8fd0\u884c\u65f6\u5e38<\/li>\n<li>COMMAND \u6240\u4e0b\u8fbe\u7684\u6307\u4ee4\u540d\u79f0<\/li>\n<\/ul>\n<h3>2\u3001\u67e5\u770b\u8fdb\u7a0b\u8be6\u60c5<\/h3>\n<ul>\n<li>\u67e5\u770b\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">lsof -p 32753\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/33d3d2bcced1a3ef7b0cec51f33f1ddb.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u67e5\u770b\u8fdb\u7a0b\u6b63\u5728\u5904\u7406\u7684\u6587\u4ef6<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">ll \/proc\/32753\/fd\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/02312473bf715f2e047d9732f59c67df.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u67e5\u770b\u8fdb\u7a0b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">pmap 32753\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/f6fb5113444bbd44f4b0fcc355699a07.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u8ddf\u8e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">strace -p 32753\n<\/code><\/pre>\n<ul>\n<li>\u67e5\u770b\u6c47\u603b\u4fe1\u606f<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">trace -cp 32753\n<\/code><\/pre>\n<ul>\n<li>\u8ddf\u8e2a\u8fdb\u7a0b\u6240\u6709\u7cfb\u7edf\u8c03\u7528\uff0c\u7edf\u8ba1\u8c03\u7528\u65f6\u95f4\uff0c\u5e76\u5bfc\u51fa\u4e3a\u6587\u4ef6<\/li>\n<\/ul>\n<pre><code class=\"language-shell line-numbers\">strace -o 32753.log -T -tt -e trace=all -p 32753\n<\/code><\/pre>\n<h3>3\u3001\u67e5\u770bphp-fpm\u5360\u7528\u8fc7\u9ad8\u539f\u56e0<\/h3>\n<pre><code class=\"language-shell line-numbers\">ps aux | grep php\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/cfd84b1347486d8b28a99de5467e4bf3.png\" alt=\"\" \/><\/p>\n<h4>\u4fee\u6539php-fpm.conf\u6253\u5f00\u65e5\u5fd7\u9009\u9879\uff1a<\/h4>\n<pre><code class=\"line-numbers\">;\u9519\u8bef\u65e5\u5fd7\nerror_log\n\n;\u8bbf\u95ee\u65e5\u5fd7\naccess.log\n\n;\u6162\u65e5\u5fd7\nsloglog = log\/slow.log\n\n;\u6162\u65e5\u5fd7\u8d85\u65f6\u65f6\u95f4\nrequest_slowlog_timeout = 3\n<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6162\u65e5\u5fd7\uff0c\u5b9a\u4f4d\u54ea\u4e2a\u6587\u4ef6\u54ea\u4e2a\u65b9\u6cd5\u6162\uff0c\u6709\u9488\u5bf9\u6027\u8fdb\u884c\u4f18\u5316<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u67e5\u770b\u8fdb\u7a0b\u5217\u8868 \u5217\u51fa\u6240\u6709\u8fdb\u7a0b ps -e \u5217\u51fa\u6240\u6709\u8fdb\u7a0b\u66f4\u5b8c\u6574\u7684\u4fe1\u606f ps aux \u67e5\u627e\u5360\u7528cpu\u6700\u9ad8\u768410\u4e2a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[399],"class_list":["post-1094","post","type-post","status-publish","format-standard","hentry","category-15","tag-399"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1094"}],"version-history":[{"count":3,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1094\/revisions"}],"predecessor-version":[{"id":1143,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1094\/revisions\/1143"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}