{"id":33525,"date":"2026-10-09T10:00:00","date_gmt":"2026-10-09T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33525"},"modified":"2026-10-12T21:58:23","modified_gmt":"2026-10-12T13:58:23","slug":"linux-top-ps-cpu","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/linux-top-ps-cpu\/","title":{"rendered":"Linux \u8fdb\u7a0b\u6392\u67e5\u5b9e\u6218\uff1a\u7528 top \u4e0e ps \u5b9a\u4f4d\u9ad8 CPU \u5360\u7528\u8fdb\u7a0b"},"content":{"rendered":"<p>\u7f51\u7ad9\u54cd\u5e94\u7a81\u7136\u53d8\u6162\u3001SSH \u767b\u5f55\u5361\u987f\u3001\u9762\u677f\u64cd\u4f5c\u534a\u5929\u6ca1\u53cd\u5e94\u2014\u2014\u8fd9\u591a\u534a\u662f\u670d\u52a1\u5668\u4e0a\u67d0\u4e2a\u8fdb\u7a0b\u628a CPU \u5403\u6ee1\u4e86\u3002\u5f88\u591a\u65b0\u624b\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\u76f4\u63a5\u91cd\u542f\u670d\u52a1\u5668\uff0c\u4f46\u91cd\u542f\u53ea\u80fd\u4e34\u65f6\u7f13\u89e3\uff0c\u95ee\u9898\u5f80\u5f80\u51e0\u5c0f\u65f6\u540e\u590d\u73b0\uff0c\u56e0\u4e3a\u4f60\u6839\u672c\u4e0d\u77e5\u9053\u662f\u54ea\u4e2a\u8fdb\u7a0b\u3001\u4e3a\u4ec0\u4e48\u5360\u8fd9\u4e48\u9ad8\u3002\u672c\u6587\u6559\u4f60\u5982\u4f55\u53ea\u7528\u7cfb\u7edf\u81ea\u5e26\u7684 top \u4e0e ps \u4e24\u4e2a\u547d\u4ee4\uff0c\u4e00\u6b65\u6b65\u628a\u9ad8 CPU \u5360\u7528\u7684\u5f02\u5e38\u8fdb\u7a0b\u627e\u51fa\u6765\uff0c\u770b\u6e05\u5b83\u662f\u8c01\u3001\u4ece\u54ea\u6765\u3001\u8be5\u4e0d\u8be5\u6740\u3002\u65e0\u8bba\u4f60\u7ba1\u7406\u7684\u662f <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u8fd8\u662f<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u8fd9\u5957\u6392\u67e5\u601d\u8def\u90fd\u80fd\u5e2e\u52a9\u4f60\u5728\u4e0d\u91cd\u542f\u7684\u60c5\u51b5\u4e0b\u89e3\u51b3\u5927\u90e8\u5206 CPU \u5f02\u5e38\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/linux-top-ps-cpu-cover.webp\" alt=\"Linux \u8fdb\u7a0b\u6392\u67e5\u5c01\u9762\u914d\u56fe\uff1a\u7ec8\u7aef\u5c4f\u5e55\u4e0a\u7684\u6ce2\u5f62\u4e0e\u653e\u5927\u955c\u5b9a\u4f4d\u5f02\u5e38\u8fdb\u7a0b\" loading=\"lazy\" \/><\/p>\n<h2>\u5148\u770b\u8d1f\u8f7d\u518d\u8c08\u8fdb\u7a0b\uff1a\u5982\u4f55\u786e\u8ba4 CPU \u771f\u7684\u5f02\u5e38<\/h2>\n<p>\u6536\u5230\u544a\u8b66\u5148\u522b\u6025\u7740\u627e\u8fdb\u7a0b\uff0c\u7b2c\u4e00\u6b65\u662f\u786e\u8ba4 CPU \u538b\u529b\u662f\u5426\u771f\u5b9e\u5b58\u5728\u3002\u767b\u5f55\u670d\u52a1\u5668\u6267\u884c <code>uptime<\/code>\uff0c\u4f1a\u770b\u5230\u4e09\u4e2a\u8d1f\u8f7d\u5747\u503c\uff08load average\uff09\uff0c\u5206\u522b\u5bf9\u5e94\u6700\u8fd1 1 \u5206\u949f\u30015 \u5206\u949f\u300115 \u5206\u949f\u7684\u5e73\u5747\u8d1f\u8f7d\u3002\u5224\u65ad\u6807\u51c6\u5f88\u7b80\u5355\uff1a\u8d1f\u8f7d\u503c\u6301\u7eed\u9ad8\u4e8e CPU \u6838\u5fc3\u6570\u5c31\u662f\u5f02\u5e38\u3002\u6bd4\u5982\u4e00\u53f0 2 \u6838 VPS \u7684\u8d1f\u8f7d\u957f\u671f\u5728 4 \u4ee5\u4e0a\uff0c\u8bf4\u660e\u4efb\u52a1\u6392\u961f\u4e25\u91cd\uff1b\u5982\u679c\u53ea\u662f 1 \u5206\u949f\u503c\u51b2\u9ad8\u300115 \u5206\u949f\u503c\u6b63\u5e38\uff0c\u901a\u5e38\u662f\u4e00\u6b21\u6027\u811a\u672c\u8dd1\u5b8c\u5c31\u6062\u590d\uff0c\u4e0d\u5fc5\u8fc7\u5ea6\u7d27\u5f20\u3002<\/p>\n<p>\u8d1f\u8f7d\u9ad8\u4e0d\u4e00\u5b9a\u5168\u662f CPU \u7684\u9505\uff0c<code>uptime<\/code> \u4e4b\u540e\u8981\u7acb\u5373\u7528 top \u533a\u5206\u3002\u76f4\u63a5\u8f93\u5165 <code>top<\/code>\uff08\u90e8\u5206\u7cbe\u7b80\u7cfb\u7edf\u9700\u8981\u5148 <code>yum install -y procps<\/code> \u6216 <code>apt install -y procps<\/code>\uff09\uff0c\u8fdb\u5165\u4ea4\u4e92\u754c\u9762\u540e\u770b\u4e24\u884c\u5173\u952e\u6570\u636e\uff1a<code>%Cpu(s)<\/code> \u884c\u663e\u793a CPU \u65f6\u95f4\u90fd\u82b1\u5728\u54ea\u91cc\uff0c<code>us<\/code>\uff08\u7528\u6237\u6001\uff09\u5360\u6bd4\u9ad8\u8bf4\u660e\u662f\u67d0\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5728\u6d88\u8017\uff0c<code>sy<\/code>\uff08\u5185\u6838\u6001\uff09\u9ad8\u53ef\u80fd\u662f\u9891\u7e41\u7cfb\u7edf\u8c03\u7528\uff0c<code>wa<\/code>\uff08\u7b49\u5f85\u78c1\u76d8 I\/O\uff09\u9ad8\u5219\u662f\u78c1\u76d8\u74f6\u9888\uff0c\u6b64\u65f6\u518d\u9ad8\u7684 CPU \u6570\u5b57\u4e5f\u4e0d\u80fd\u9760\u6740\u8fdb\u7a0b\u89e3\u51b3\uff0c\u91cd\u70b9\u5e94\u8f6c\u5411\u78c1\u76d8\u4e0e\u5185\u5b58\u72b6\u6001\u3002\u6309\u6570\u5b57\u952e <code>1<\/code> \u53ef\u4ee5\u5c55\u5f00\u6bcf\u4e2a\u6838\u5fc3\u7684\u72ec\u7acb\u5360\u7528\uff0c\u591a\u6838\u673a\u5668\u4e0a\u7528\u5b83\u786e\u8ba4\u662f\u5355\u6838\u88ab\u6253\u6ee1\u8fd8\u662f\u6240\u6709\u6838\u5fc3\u5747\u8861\u5347\u9ad8\u2014\u2014\u524d\u8005\u5e38\u89c1\u4e8e\u5355\u8fdb\u7a0b\u6b7b\u5faa\u73af\uff0c\u540e\u8005\u66f4\u53ef\u80fd\u662f\u6d41\u91cf\u66b4\u6da8\u6216\u88ab\u722c\u866b\u626b\u7ad9\u3002<\/p>\n<p>\u4e00\u4e2a\u5b9e\u9645\u6848\u4f8b\uff1a\u67d0\u7ad9\u957f\u53cd\u9988\u7f51\u7ad9\u6bcf\u5929\u4e0b\u5348\u4e09\u70b9\u5de6\u53f3\u53d8\u5361\uff0c<code>uptime<\/code> \u663e\u793a\u8d1f\u8f7d 6.8\uff084 \u6838\u673a\u5668\uff09\u3002top \u5c55\u5f00\u540e\u770b\u5230 <code>us<\/code> \u5360 85%\uff0c\u5355\u4e2a PHP-FPM \u8fdb\u7a0b\u5403\u6ee1\u4e00\u4e2a\u6838\u5fc3\u2014\u2014\u6700\u540e\u5b9a\u4f4d\u662f\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\u6070\u597d\u5728\u8fd9\u4e2a\u65f6\u95f4\u70b9\u6267\u884c\u4e86\u65e0\u7d22\u5f15\u7684\u6570\u636e\u5e93\u67e5\u8be2\u3002\u5982\u679c\u6ca1\u6709\u5148\u770b\u8d1f\u8f7d\u5206\u5e03\uff0c\u5f88\u5bb9\u6613\u8bef\u5224\u6210\u5e26\u5bbd\uff08\u7f51\u7edc\u4f20\u8f93\u80fd\u529b\uff09\u4e0d\u8db3\u800c\u767d\u5fd9\u4e00\u573a\u3002<\/p>\n<h2>\u5728 top \u91cc\u9501\u5b9a\u5acc\u7591\u8fdb\u7a0b\uff1a\u6392\u5e8f\u3001\u5b57\u6bb5\u4e0e\u64cd\u4f5c<\/h2>\n<p>\u786e\u8ba4 CPU \u786e\u5b9e\u5f02\u5e38\u540e\uff0c\u5c31\u5728 top \u754c\u9762\u91cc\u9501\u5b9a\u5177\u4f53\u8fdb\u7a0b\u3002top \u9ed8\u8ba4\u6309 CPU \u5360\u7528\u964d\u5e8f\u6392\u5217\uff0c\u4f46\u8bef\u89e6\u6392\u5e8f\u540e\u53ef\u80fd\u53d8\u6210\u6309\u5185\u5b58\u6392\u5217\uff0c\u6b64\u65f6\u6309\u5927\u5199 <code>P<\/code>\uff08Shift+p\uff09\u5373\u53ef\u6062\u590d\u6309 CPU \u6392\u5e8f\uff0c\u6309 <code>M<\/code> \u5219\u5207\u6362\u5230\u5185\u5b58\u6392\u5e8f\u3002\u6392\u5728\u7b2c\u4e00\u884c\u7684\u8fdb\u7a0b\u5c31\u662f\u5934\u53f7\u5acc\u7591\u5bf9\u8c61\uff0c\u4f46\u8981\u8fde\u7eed\u89c2\u5bdf 30 \u79d2\u4ee5\u4e0a\uff1a\u6709\u4e9b\u8fdb\u7a0b\u662f\u95f4\u6b47\u6027\u8109\u51b2\u5360\u7528\uff08\u6bd4\u5982\u65e5\u5fd7\u5207\u5272\uff09\uff0c\u5e38\u9a7b\u7b2c\u4e00\u884c 1-2 \u79d2\u5c31\u4e0b\u53bb\u7684\u8fdb\u7a0b\u672a\u5fc5\u662f\u5143\u51f6\uff0c\u957f\u671f\u9489\u5728 90% \u4ee5\u4e0a\u7684\u624d\u662f\u771f\u95ee\u9898\u3002<\/p>\n<p>top \u7684\u51e0\u4e2a\u5b57\u6bb5\u9700\u8981\u80fd\u8bfb\u61c2\uff1a<code>%CPU<\/code> \u662f\u5355\u6838\u5f52\u4e00\u5316\u540e\u7684\u5360\u7528\u7387\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u663e\u793a 200% \u610f\u5473\u7740\u5403\u6ee1\u4e24\u4e2a\u6838\u5fc3\uff1b<code>TIME+<\/code> \u662f\u8fdb\u7a0b\u542f\u52a8\u4ee5\u6765\u7d2f\u8ba1\u7684 CPU \u65f6\u95f4\uff0c\u5982\u679c\u8fd9\u4e2a\u6570\u5b57\u5728\u98de\u901f\u589e\u957f\u800c\u4e1a\u52a1\u91cf\u5e76\u6ca1\u6709\u4e0a\u6da8\uff0c\u57fa\u672c\u53ef\u4ee5\u5224\u5b9a\u5f02\u5e38\uff1b<code>RES<\/code> \u662f\u5b9e\u9645\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\uff0c\u5e2e\u52a9\u5224\u65ad\u8fd9\u4e2a\u8fdb\u7a0b\u662f\u5426\u8fd8\u4f34\u968f\u5185\u5b58\u6cc4\u6f0f\u3002\u6309 <code>c<\/code> \u53ef\u4ee5\u663e\u793a\u8fdb\u7a0b\u7684\u5b8c\u6574\u542f\u52a8\u547d\u4ee4\uff0c\u8fd9\u662f\u5224\u65ad\u8fdb\u7a0b\u8eab\u4efd\u6700\u5173\u952e\u7684\u4e00\u6b65\u2014\u2014\u53ea\u770b\u8fdb\u7a0b\u540d <code>php-fpm<\/code> \u6ca1\u6cd5\u533a\u5206\u6b63\u5e38\u4e1a\u52a1\u548c\u5f02\u5e38\u8bf7\u6c42\uff0c\u5c55\u5f00\u540e\u7684\u5b8c\u6574\u547d\u4ee4\u884c\u5f80\u5f80\u76f4\u63a5\u66b4\u9732\u95ee\u9898\u811a\u672c\u8def\u5f84\u3002<\/p>\n<p>\u9501\u5b9a\u76ee\u6807\u8fdb\u7a0b\u540e\uff0c\u5728 top \u754c\u9762\u6309 <code>k<\/code> \u53ef\u4ee5\u76f4\u63a5\u53d1\u9001\u4fe1\u53f7\u7ec8\u6b62\u5b83\uff0c\u8f93\u5165\u8fdb\u7a0b\u53f7\u56de\u8f66\u5373\u53ef\u3002\u4f46\u8fd9\u91cc\u8981\u514b\u5236\uff1a\u5bf9\u672a\u77e5\u8fdb\u7a0b\u5148\u4e0d\u8981\u6025\u7740\u6740\u3002\u66fe\u6709\u7f51\u53cb\u5728 top \u91cc\u770b\u5230\u4e00\u4e2a\u540d\u5b57\u968f\u673a\u7684\u8fdb\u7a0b\u5360\u4e86 90%\uff0c\u76f4\u63a5 <code>kill -9<\/code>\uff0c\u7ed3\u679c\u5341\u51e0\u5206\u949f\u540e\u8fdb\u7a0b\u53c8\u56de\u6765\u4e86\u2014\u2014\u90a3\u662f\u4e00\u53f0\u88ab\u690d\u5165\u6316\u77ff\u6728\u9a6c\u7684\u670d\u52a1\u5668\uff0c\u6740\u6389\u8fdb\u7a0b\u53ea\u4f1a\u89e6\u53d1\u5b88\u62a4\u811a\u672c\u91cd\u65b0\u62c9\u8d77\u3002\u6b63\u786e\u7684\u505a\u6cd5\u662f\u5148\u6309 <code>c<\/code> \u8bb0\u4e0b\u5b8c\u6574\u547d\u4ee4\u8def\u5f84\uff0c\u518d\u53bb\u67e5\u5b83\u7684\u542f\u52a8\u6765\u6e90\uff0c\u8fd9\u90e8\u5206\u6211\u4eec\u653e\u5230\u540e\u6587\u8bb2\u3002<\/p>\n<h2>\u7528 ps \u8ffd\u67e5\u8fdb\u7a0b\u8eab\u4efd\uff1a\u547d\u4ee4\u3001\u8def\u5f84\u4e0e\u542f\u52a8\u6765\u6e90<\/h2>\n<p>top \u770b\u5230\u7684\u662f&#8221;\u6b64\u523b&#8221;\uff0cps \u63d0\u4f9b\u7684\u662f\u66f4\u5b8c\u6574\u7684\u6863\u6848\u3002\u8fdb\u7a0b\u5360\u7528\u9ad8\u65f6\uff0c\u5148\u590d\u5236\u5b83\u7684 PID\uff08\u8fdb\u7a0b\u53f7\uff09\uff0c\u7136\u540e\u6267\u884c\uff1a<\/p>\n<pre><code class=\"language-bash\">ps -fp &lt;PID&gt;\n<\/code><\/pre>\n<p>\u8f93\u51fa\u91cc\u7684\u5173\u952e\u4fe1\u606f\u6709\u56db\u9879\uff1a<code>UID<\/code> \u544a\u8bc9\u4f60\u8fdb\u7a0b\u5c5e\u4e8e\u54ea\u4e2a\u7528\u6237\u2014\u2014\u4e1a\u52a1\u8fdb\u7a0b\u8dd1\u5728 <code>www<\/code> \u6216 <code>www-data<\/code> \u4e0b\u662f\u6b63\u5e38\u7684\uff0c\u5982\u679c\u51fa\u73b0\u5728 <code>nobody<\/code>\u3001<code>daemon<\/code> \u6216\u964c\u751f\u7528\u6237\u4e0b\u5c31\u8981\u8b66\u60d5\uff1b<code>CMD<\/code> \u663e\u793a\u5b8c\u6574\u547d\u4ee4\u884c\uff0c\u914d\u5408 <code>ps -fp<\/code> \u7684 <code>-f<\/code> \u53c2\u6570\u624d\u80fd\u770b\u5230\uff0c\u8fd9\u662f\u533a\u5206&#8221;\u540c\u540d\u8fdb\u7a0b&#8221;\u7684\u552f\u4e00\u4f9d\u636e\uff1b<code>STIME<\/code> \u662f\u542f\u52a8\u65f6\u95f4\uff0c\u542f\u52a8\u51e0\u5206\u949f\u5374\u5360\u7528\u5f02\u5e38\u7684\u8fdb\u7a0b\uff0c\u5927\u6982\u7387\u5bf9\u5e94\u4e00\u6b21\u521a\u53d1\u751f\u7684\u5165\u4fb5\u6216\u521a\u4e0a\u7ebf\u7684\u574f\u4ee3\u7801\uff1b<code>PPID<\/code> \u662f\u7236\u8fdb\u7a0b\u53f7\uff0c\u5f02\u5e38\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0b\u5f80\u5f80\u6307\u5411\u53ef\u7591\u7684\u5b88\u62a4\u8005\u3002<\/p>\n<p>\u7236\u8fdb\u7a0b\u662f\u8ffd\u67e5\u94fe\u7684\u5173\u952e\u4e00\u73af\u3002\u7528 <code>ps -fp &lt;PPID&gt;<\/code> \u7ee7\u7eed\u5411\u4e0a\u8ffd\uff0c\u6316\u77ff\u6728\u9a6c\u7684\u5178\u578b\u7279\u5f81\u662f\u4e00\u6761\u964c\u751f\u7684\u7236\u8fdb\u7a0b\u94fe\uff0c\u6700\u7ec8\u843d\u5728\u67d0\u4e2a crontab \u5b9a\u65f6\u4efb\u52a1\u6216\u8005\u88ab\u7be1\u6539\u7684\u670d\u52a1\u6587\u4ef6\u4e0a\u3002\u987a\u624b\u6267\u884c <code>crontab -l<\/code> \u67e5\u770b\u5f53\u524d\u7528\u6237\u7684\u5b9a\u65f6\u4efb\u52a1\uff0c\u518d\u7528 <code>grep -r \"\u5173\u952e\u8bcd\" \/etc\/cron* \/var\/spool\/cron<\/code> \u626b\u4e00\u904d\u7cfb\u7edf\u7ea7\u4efb\u52a1\u76ee\u5f55\uff0c\u5f88\u591a\u5165\u4fb5\u8005\u5c31\u662f\u9760\u4e00\u6761\u6bcf\u5206\u949f\u6267\u884c\u4e00\u6b21\u7684\u5b9a\u65f6\u4efb\u52a1\u7ef4\u6301\u5b58\u6d3b\u7684\u3002\u5982\u679c\u9700\u8981\u6279\u91cf\u5bf9\u6bd4\u6240\u6709\u8fdb\u7a0b\u7684 CPU \u6392\u540d\uff08\u6bd4\u5982\u8981\u622a\u56fe\u7559\u8bc1\u6216\u5199\u5165\u5de5\u5355\uff09\uff0cps \u7684\u9759\u6001\u5feb\u7167\u6bd4 top \u7684\u52a8\u6001\u754c\u9762\u66f4\u5408\u9002\uff1a<\/p>\n<pre><code class=\"language-bash\">ps -eo pid,ppid,user,%cpu,%mem,stime,cmd --sort=-%cpu | head -15\n<\/code><\/pre>\n<p>\u8fd9\u6761\u547d\u4ee4\u5217\u51fa CPU \u5360\u7528\u524d 15 \u7684\u8fdb\u7a0b\u5e76\u9644\u5e26\u7236\u8fdb\u7a0b\u3001\u7528\u6237\u548c\u542f\u52a8\u65f6\u95f4\uff0c\u8f93\u51fa\u7ed3\u679c\u662f\u7eaf\u6587\u672c\uff0c\u65b9\u4fbf\u7c98\u8d34\u5230\u6545\u969c\u62a5\u544a\u91cc\u3002\u53cd\u8fc7\u6765\uff0c\u5982\u679c\u8ffd\u67e5\u53d1\u73b0\u6d88\u8017 CPU \u7684\u662f\u6b63\u5e38\u4e1a\u52a1\uff08\u6bd4\u5982\u4fc3\u9500\u671f\u95f4\u7684\u641c\u7d22\u8bf7\u6c42\u6fc0\u589e\uff09\uff0c\u90a3\u5c31\u4e0d\u662f&#8221;\u6740\u8fdb\u7a0b&#8221;\u80fd\u89e3\u51b3\u7684\uff0c\u800c\u662f\u5bb9\u91cf\u95ee\u9898\u2014\u2014\u8981\u4e48\u4f18\u5316\u4ee3\u7801\u4e0e\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u8981\u4e48\u5347\u7ea7\u5230\u66f4\u5927\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/server-buying-guide\/\">\u670d\u52a1\u5668\u9009\u8d2d\u6307\u5357<\/a>\u8bc4\u4f30\u5347\u7ea7\u8def\u5f84\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/linux-top-ps-cpu-process-tree.webp\" alt=\"ps \u547d\u4ee4\u8ffd\u67e5\u8fdb\u7a0b\u8eab\u4efd\u793a\u610f\uff1a\u4ece\u5f02\u5e38\u8fdb\u7a0b\u6cbf\u7236\u8fdb\u7a0b\u94fe\u8ffd\u5230\u5b9a\u65f6\u4efb\u52a1\" loading=\"lazy\" \/><\/p>\n<h2>\u5e38\u89c1\u9ad8 CPU \u573a\u666f\u4e0e\u5bf9\u5e94\u5904\u7406<\/h2>\n<p>\u5b9a\u4f4d\u5230\u8fdb\u7a0b\u4e4b\u540e\uff0c\u600e\u4e48\u5904\u7f6e\u53d6\u51b3\u4e8e\u5b83\u662f\u8c01\u3002\u7ed3\u5408\u65e5\u5e38\u5de5\u5355\u91cc\u6700\u9891\u7e41\u51fa\u73b0\u7684\u51e0\u7c7b\u573a\u666f\uff0c\u53ef\u4ee5\u6309\u4e0b\u9762\u7684\u8def\u5f84\u5904\u7406\u3002<\/p>\n<ul>\n<li>\u4e1a\u52a1\u8fdb\u7a0b\uff08php-fpm\u3001MySQL\u3001Nginx worker\uff09\uff1a\u5148\u770b\u8bf7\u6c42\u65e5\u5fd7\u786e\u8ba4\u662f\u771f\u5b9e\u6d41\u91cf\u66b4\u6da8\u8fd8\u662f\u6162\u67e5\u8be2\u62d6\u6162\u4e86 worker\u3002PHP \u7ad9\u70b9\u5e38\u89c1\u4e8e WordPress \u63d2\u4ef6\u6b7b\u5faa\u73af\uff0cMySQL \u5e38\u89c1\u4e8e\u65e0\u7d22\u5f15\u67e5\u8be2\uff0c\u5904\u7406\u65b9\u5411\u662f\u4fee\u4ee3\u7801\u3001\u52a0\u7d22\u5f15\u3001\u8c03\u7f13\u5b58\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u91cd\u542f\u3002WordPress \u7ad9\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-database-optimization-guide\/\">WordPress \u6570\u636e\u5e93\u4f18\u5316\u6307\u5357<\/a>\u7cfb\u7edf\u6027\u6392\u67e5\u6162\u67e5\u8be2\u3002<\/li>\n<li>\u5b9a\u65f6\u4efb\u52a1\u5931\u63a7\uff08crond \u62c9\u8d77\u7684\u811a\u672c\uff09\uff1a\u7279\u5f81\u662f\u5360\u7528\u9ad8\u4f46\u6bcf\u51e0\u5206\u949f\u4f1a\u6d88\u5931\u53c8\u51fa\u73b0\u3002\u68c0\u67e5 <code>crontab -l<\/code> \u91cc\u7684\u5907\u4efd\u3001\u540c\u6b65\u7c7b\u811a\u672c\uff0c\u5e38\u89c1\u95ee\u9898\u662f\u811a\u672c\u6ca1\u6709\u52a0\u6267\u884c\u9501\uff0c\u4e0a\u4e00\u8f6e\u6ca1\u8dd1\u5b8c\u4e0b\u4e00\u8f6e\u53c8\u542f\u52a8\uff0c\u8fdb\u7a0b\u8d8a\u79ef\u8d8a\u591a\u3002\u52a0 <code>flock<\/code> \u9501\u6216\u8005\u62c9\u957f\u6267\u884c\u95f4\u9694\u5373\u53ef\u89e3\u51b3\u3002<\/li>\n<li>\u6316\u77ff\u6728\u9a6c\uff08\u540d\u5b57\u968f\u673a\u3001\u8def\u5f84\u5728 \/tmp \u6216 \/dev\/shm\uff09\uff1a\u4e0d\u8981\u53ea\u6740\u8fdb\u7a0b\uff0c\u5148 <code>ps -fp<\/code> \u8ffd\u7236\u8fdb\u7a0b\u3001\u6e05\u5b9a\u65f6\u4efb\u52a1\u3001\u67e5\u516c\u94a5\u6587\u4ef6 <code>\/root\/.ssh\/authorized_keys<\/code> \u662f\u5426\u88ab\u5199\u5165\u964c\u751f\u6761\u76ee\uff0c\u5904\u7406\u5b8c\u8fd9\u4e9b\u518d\u6740\u8fdb\u7a0b\u624d\u4e0d\u4f1a\u590d\u6d3b\u3002\u6e05\u7406\u5b8c\u6210\u540e\u5efa\u8bae\u6309<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/server-security-hardening-checklist\/\">\u670d\u52a1\u5668\u5b89\u5168\u52a0\u56fa\u6e05\u5355<\/a>\u505a\u4e00\u8f6e\u5168\u9762\u68c0\u67e5\u3002<\/li>\n<li>\u7cfb\u7edf\u8fdb\u7a0b\uff08kswapd0\u3001kworker\uff09\uff1akswapd0 \u5360\u7528\u9ad8\u8bf4\u660e\u5185\u5b58\u5728\u75af\u72c2\u4ea4\u6362\uff0c\u7f6a\u9b41\u662f\u5185\u5b58\u4e0d\u8db3\u800c\u975e CPU \u672c\u8eab\uff0c\u5148\u770b top \u91cc <code>%MEM<\/code> \u6392\u540d\u627e\u51fa\u5185\u5b58\u5927\u6237\u3002kworker \u9ad8\u5219\u5e38\u4e0e\u78c1\u76d8 I\/O \u6216\u7f51\u5361\u9a71\u52a8\u76f8\u5173\uff0c\u9700\u8981\u7ed3\u5408 <code>iostat<\/code> \u5224\u65ad\u3002<\/li>\n<\/ul>\n<p>\u5904\u7f6e\u5b8c\u6bd5\u540e\uff0c\u7528 <code>top<\/code> \u518d\u89c2\u5bdf 15 \u5206\u949f\uff0c\u8d1f\u8f7d\u56de\u843d\u5230\u6838\u5fc3\u6570\u4ee5\u5185\u3001\u4e14\u6ca1\u6709\u65b0\u8fdb\u7a0b\u91cd\u65b0\u722c\u5230\u699c\u9996\uff0c\u624d\u7b97\u771f\u6b63\u89e3\u51b3\u3002\u82e5\u5360\u7528\u662f\u4e1a\u52a1\u91cf\u4e0a\u6da8\u5e26\u6765\u7684\u957f\u671f\u6027\u5347\u9ad8\uff0c\u5c31\u8be5\u8003\u8651\u8d44\u6e90\u6269\u5bb9\u4e86\u2014\u2014\u5bf9\u4e8e\u6301\u7eed\u589e\u957f\u7684\u7ad9\u70b9\uff0c<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u63d0\u4f9b\u72ec\u4eab\u7684 CPU \u4e0e\u5185\u5b58\uff0c\u6bd4\u53cd\u590d\u8c03\u4f18\u5171\u4eab\u73af\u5883\u66f4\u7701\u5fc3\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/linux-top-ps-cpu-load-recovery.webp\" alt=\"\u8d1f\u8f7d\u56de\u843d\u793a\u610f\uff1a\u8d1f\u8f7d\u66f2\u7ebf\u4ece\u6a59\u8272\u9ad8\u5cf0\u9010\u6b65\u4e0b\u964d\u5e76\u7a33\u5b9a\u5728\u7eff\u8272\u6c34\u5e73\u7ebf\" loading=\"lazy\" \/><\/p>\n<h2>\u6392\u67e5\u4e60\u60ef\u4e0e\u603b\u7ed3\u5efa\u8bae<\/h2>\n<p>\u9ad8 CPU \u6392\u67e5\u672c\u8eab\u4e0d\u96be\uff0c\u96be\u7684\u662f\u51fa\u4e8b\u65f6\u51b7\u9759\u6309\u987a\u5e8f\u6765\uff1a\u5148 <code>uptime<\/code> \u786e\u8ba4\u8d1f\u8f7d\uff0c\u518d top \u9501\u8fdb\u7a0b\u3001\u8bfb\u61c2 <code>%CPU<\/code> \u4e0e <code>TIME+<\/code>\uff0c\u7136\u540e\u7528 ps \u8ffd\u8eab\u4efd\u548c\u7236\u8fdb\u7a0b\uff0c\u6700\u540e\u6309\u8fdb\u7a0b\u7c7b\u578b\u5bf9\u75c7\u5904\u7f6e\u3002\u8df3\u8fc7\u4e2d\u95f4\u6b65\u9aa4\u76f4\u63a5\u91cd\u542f\u6216\u6740\u8fdb\u7a0b\uff0c\u662f\u5927\u591a\u6570\u95ee\u9898\u53cd\u590d\u590d\u73b0\u7684\u539f\u56e0\u3002<\/p>\n<p>\u6211\u4eec\u7684\u5efa\u8bae\u662f\uff1a\u5728\u5e38\u7528\u670d\u52a1\u5668\u4e0a\u628a <code>uptime<\/code>\u3001<code>top<\/code>\u3001<code>ps -fp<\/code> \u8fd9\u4e09\u6b65\u6f14\u7ec3\u4e00\u904d\uff0c\u719f\u6089\u5404\u81ea\u7684\u8f93\u51fa\u542b\u4e49\uff1b\u540c\u65f6\u5728\u4e1a\u52a1\u4f4e\u5cf0\u671f\u68c0\u67e5\u4e00\u904d <code>crontab -l<\/code>\uff0c\u786e\u8ba4\u6bcf\u6761\u5b9a\u65f6\u4efb\u52a1\u4f60\u90fd\u8ba4\u8bc6\u2014\u2014\u8fd9\u4e00\u9879\u5c31\u80fd\u6321\u4f4f\u5927\u591a\u6570\u6316\u77ff\u6728\u9a6c\u7684\u590d\u6d3b\u8def\u5f84\u3002\u5982\u679c\u4f60\u9700\u8981\u4e00\u53f0\u6743\u9650\u5b8c\u6574\u3001\u914d\u7f6e\u660e\u786e\u7684\u5b9e\u9a8c\u6216\u751f\u4ea7\u73af\u5883\uff0c\u652f\u6301 root \u6743\u9650\u7684 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a<\/a>\u9002\u5408\u4f5c\u4e3a\u7ec3\u4e60\u673a\uff0cHostease \u7684\u8fd9\u7c7b\u65b9\u6848\u9884\u88c5\u4e86\u5b8c\u6574\u7684 top\u3001ps \u5de5\u5177\u94fe\uff0c\u53ef\u4ee5\u8003\u8651\u5f00\u901a\u4e00\u53f0\u628a\u672c\u6587\u547d\u4ee4\u5168\u90e8\u8dd1\u719f\u3002\u9047\u5230\u5355\u673a\u8d44\u6e90\u6301\u7eed\u4e0d\u8db3\u7684\u60c5\u51b5\uff0c\u518d\u7ed3\u5408\u4e1a\u52a1\u589e\u957f\u8282\u594f\u8bc4\u4f30\u72ec\u7acb\u670d\u52a1\u5668\u65b9\u6848\uff0c\u628a\u6392\u67e5\u7cbe\u529b\u7559\u7ed9\u771f\u6b63\u9700\u8981\u7684\u65f6\u523b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6559\u4f60\u5982\u4f55\u7528 top \u4e0e ps \u5b9a\u4f4d Linux \u670d\u52a1\u5668\u4e0a\u9ad8 CPU 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