{"id":37595,"date":"2025-05-16T10:31:18","date_gmt":"2025-05-16T02:31:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/37595.html"},"modified":"2025-05-16T10:31:18","modified_gmt":"2025-05-16T02:31:18","slug":"%e3%80%90linux%e3%80%91%e8%bf%9b%e7%a8%8b%e4%bc%98%e5%85%88%e7%ba%a7%e4%b8%8e%e8%bf%9b%e7%a8%8b%e5%88%87%e6%8d%a2%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/37595.html","title":{"rendered":"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3"},"content":{"rendered":"<p style=\"text-align:center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"200\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023115-6826a373ab3cf.png\" width=\"200\" \/><\/p>\n<p style=\"text-align:center\">&#x1f31f;&#x1f31f;<span style=\"color:#a2e043\">\u4f5c\u8005\u4e3b\u9875&#xff1a;<\/span>ephemerals__<\/p>\n<p style=\"text-align:center\">&#x1f31f;&#x1f31f;<span style=\"color:#a2e043\">\u6240\u5c5e\u4e13\u680f&#xff1a;<\/span>Linux<\/p>\n<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"%E5%89%8D%E8%A8%80-toc\" style=\"margin-left:0px\">\u524d\u8a00<\/p>\n<p id=\"%E4%B8%80%E3%80%81%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7-toc\" style=\"margin-left:0px\">\u4e00\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/p>\n<p id=\"1.%20%E4%BB%80%E4%B9%88%E6%98%AF%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7-toc\" style=\"margin-left:40px\">1. \u4ec0\u4e48\u662f\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/p>\n<p id=\"2.%20%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%89%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7-toc\" style=\"margin-left:40px\">2. \u4e3a\u4ec0\u4e48\u6709\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/p>\n<p id=\"3.%20%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7%E7%9A%84%E4%BD%9C%E7%94%A8-toc\" style=\"margin-left:40px\">3. \u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u4f5c\u7528<\/p>\n<p id=\"4.%20Linux%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7%E7%9A%84%E6%9C%AC%E8%B4%A8-toc\" style=\"margin-left:40px\">4. Linux\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u672c\u8d28<\/p>\n<p id=\"5.%20%E4%BF%AE%E6%94%B9%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7-toc\" style=\"margin-left:40px\">5. \u4fee\u6539\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/p>\n<p id=\"%E4%BA%8C%E3%80%81%E8%BF%9B%E7%A8%8B%E5%88%87%E6%8D%A2-toc\" style=\"margin-left:0px\">\u4e8c\u3001\u8fdb\u7a0b\u5207\u6362<\/p>\n<p id=\"1.%20%E6%A6%82%E5%BF%B5%C2%A0-toc\" style=\"margin-left:40px\">1. \u6982\u5ff5\u00a0<\/p>\n<p id=\"2.%20%E8%BF%9B%E7%A8%8B%E5%88%87%E6%8D%A2%E7%9A%84%E8%BF%87%E7%A8%8B-toc\" style=\"margin-left:40px\">2. \u8fdb\u7a0b\u5207\u6362\u7684\u8fc7\u7a0b<\/p>\n<p id=\"3.%20%E8%BF%9B%E7%A8%8B%E5%88%87%E6%8D%A2%E7%9A%84%E6%84%8F%E4%B9%89-toc\" style=\"margin-left:40px\">3. \u8fdb\u7a0b\u5207\u6362\u7684\u610f\u4e49<\/p>\n<p id=\"4.%20Linux%E7%9A%84%E8%BF%9B%E7%A8%8B%E8%B0%83%E5%BA%A6%EF%BC%88O(1)%E8%B0%83%E5%BA%A6%E7%AE%97%E6%B3%95%EF%BC%89-toc\" style=\"margin-left:40px\">4. Linux\u7684\u8fdb\u7a0b\u8c03\u5ea6&#xff08;O(1)\u8c03\u5ea6\u7b97\u6cd5&#xff09;<\/p>\n<p id=\"%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:0px\">\u603b\u7ed3<\/p>\n<hr \/>\n<h2 id=\"%E5%89%8D%E8%A8%80\">\u524d\u8a00<\/h2>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u672c\u7bc7\u6587\u7ae0\u6211\u4eec\u5728\u4e86\u89e3\u4e86\u8fdb\u7a0b\u6982\u5ff5\u548c\u72b6\u6001\u7b49\u57fa\u7840\u77e5\u8bc6\u4e4b\u4e0a&#xff0c;\u7ee7\u7eed\u5b66\u4e60\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7&#xff0c;\u4ee5\u53ca\u8fdb\u7a0b\u5207\u6362\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n<p>\u6b63\u6587\u5f00\u59cb<\/p>\n<h2 id=\"%E4%B8%80%E3%80%81%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7\">\u4e00\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/h2>\n<h3 id=\"1.%20%E4%BB%80%E4%B9%88%E6%98%AF%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7\">1. \u4ec0\u4e48\u662f\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fdb\u7a0b\u4f18\u5148\u7ea7\u662f\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u7ed9\u8fdb\u7a0b\u7684\u4e00\u79cd\u201c\u6743\u91cd\u201d\u6216\u201c\u7ea7\u522b\u201d&#xff0c;\u7528\u6765\u51b3\u5b9a\u5728\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u7ade\u4e89 CPU \u8d44\u6e90\u65f6&#xff0c;<span style=\"color:#956fe7\">\u54ea\u4e00\u4e2a\u8fdb\u7a0b\u5148\u83b7\u5f97\u8fd0\u884c\u7684\u673a\u4f1a<\/span>\u3002\u4f18\u5148\u7ea7\u9ad8\u7684\u8fdb\u7a0b\u4f1a\u88ab\u4f18\u5148\u8c03\u5ea6\u6267\u884c&#xff0c;\u4f4e\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5219\u53ef\u80fd\u9700\u8981\u7b49\u5f85\u3002\u00a0<\/p>\n<h3 id=\"2.%20%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%89%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7\">2. \u4e3a\u4ec0\u4e48\u6709\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u5927\u591a\u6570\u60c5\u51b5\u4e0b&#xff0c;<span style=\"color:#ff9900\">\u6b63\u5728\u6267\u884c\u7684\u7a0b\u5e8f\u6570\u91cf\u662f\u6bd4\u8f83\u591a\u7684&#xff0c;\u800cCPU\u8d44\u6e90\u6709\u9650<\/span>\u3002\u4e3a\u4e86\u4f7f\u90a3\u4e9b\u91cd\u8981\u3001\u6025\u9700\u6267\u884c\u7684\u4efb\u52a1\u5148\u6267\u884c&#xff0c;\u5c31\u6709\u4e86\u4f18\u5148\u7ea7\u3002\u8fd9\u6837\u4e00\u6765&#xff0c;\u8d44\u6e90\u5206\u914d\u4f1a\u5f97\u5230\u4f18\u5316&#xff0c;\u6574\u4e2a\u7cfb\u7edf\u66f4\u52a0\u5408\u7406\u9ad8\u6548\u3002<\/p>\n<p>\u6ce8&#xff1a;\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u66f4\u52a0\u8003\u8651\u8fdb\u7a0b\u83b7\u53d6\u8d44\u6e90\u7684\u516c\u5e73\u6027&#xff0c;\u4f18\u5148\u7ea7\u7684\u5dee\u8ddd\u4e0d\u4f1a\u592a\u5927\u3002<\/p>\n<h3 id=\"3.%20%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7%E7%9A%84%E4%BD%9C%E7%94%A8\">3. \u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u4f5c\u7528<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u8fdb\u7a0b\u4f18\u5148\u7ea7\u53ef\u4ee5\u4fdd\u8bc1\u5173\u952e\u4efb\u52a1\u6216\u5b9e\u65f6\u4efb\u52a1\u53ca\u65f6\u8c03\u5ea6&#xff08;\u5982\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u8fdb\u7a0b\u901a\u5e38\u4f18\u5148\u7ea7\u8f83\u9ad8&#xff09;&#xff0c;\u5e76\u4e14\u53ef\u4ee5\u9632\u6b62\u67d0\u4e2a\u8fdb\u7a0b\u957f\u671f\u5360\u7528 CPU&#xff0c;\u6539\u5584\u7cfb\u7edf\u6027\u80fd\u3002\u5176\u6b21&#xff0c;\u4f18\u5148\u7ea7\u53ef\u4ee5\u5b9e\u73b0\u591a\u7528\u6237\u6216\u591a\u4efb\u52a1\u4e0b\u7684\u516c\u5e73\u8d44\u6e90\u5206\u914d\u3002<\/p>\n<h3 id=\"4.%20Linux%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7%E7%9A%84%E6%9C%AC%E8%B4%A8\">4. Linux\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u672c\u8d28<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u5728Linux\u4e0b&#xff0c;\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u6574\u6570&#xff0c;\u5b58\u50a8\u5728task_struct\u7ed3\u6784\u4f53\u5f53\u4e2d&#xff0c;\u76f4\u63a5\u5f71\u54cd\u4e86\u8fdb\u7a0b\u8c03\u5ea6\u7684\u5148\u540e\u987a\u5e8f\u3002<span style=\"color:#956fe7\">\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u503c\u8d8a\u5c0f&#xff0c;\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/span>\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5230\u5f53\u524d\u6240\u6709\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7&#xff1a;<\/p>\n<p>ps -al <\/p>\n<p>\u8fd0\u884c\u7ed3\u679c&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"134\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023115-6826a373bd50c.png\" width=\"1141\" \/><\/p>\n<p>PRI&#xff1a;\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u503c&#xff0c;\u9ed8\u8ba4\u662f80<\/p>\n<p>NI&#xff1a;\u4e5f\u53eb\u505anice\u503c&#xff0c;\u662f\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684<span style=\"color:#ff9900\">\u4fee\u6b63\u6570\u636e<\/span>\u3002\u5176\u53d6\u503c\u8303\u56f4\u662f[-20, 19]\u3002<\/p>\n<p><span style=\"color:#956fe7\">PRI\u7684\u9ed8\u8ba4\u503c(80) \u548c NI \u4e4b\u548c<\/span>\u8868\u793a\u8fdb\u7a0b\u7684\u771f\u5b9e\u4f18\u5148\u7ea7\u5927\u5c0f\u3002\u4e5f\u5c31\u662f\u8bf4&#xff0c;<span style=\"color:#fe2c24\">Linux\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u8303\u56f4\u662f[60, 99]&#xff0c;\u4e00\u517140\u4e2a\u3002<\/span><\/p>\n<p>\u6ce8&#xff1a;ps -l\u6307\u4ee4\u8fd8\u53ef\u4ee5\u770b\u5230\u5f53\u524d\u8fdb\u7a0b\u7684PID&#xff0c;\u7236\u8fdb\u7a0bID\u7b49\u3002\u5176\u4e2d\u8fd8\u6709\u4e00\u9879UID&#xff0c;\u5b83\u7528\u6765\u6807\u8bc6Linux\u4e0b\u7684\u7528\u6237&#xff0c;\u8fdb\u884c\u7528\u6237\u533a\u5206\u3002\u5f53\u7528\u6237\u521b\u5efa\u8fdb\u7a0b\u65f6&#xff0c;\u8fdb\u7a0b\u4f1a\u8bb0\u5f55\u7528\u6237\u7684UID&#xff0c;\u8bbf\u95ee\u6587\u4ef6\u65f6&#xff08;\u672c\u8d28\u662f\u8fdb\u7a0b\u5728\u8bbf\u95ee&#xff09;&#xff0c;\u8fdb\u7a0b\u5c31\u62ff\u8fd9\u4e2aUID\u4e0e\u6587\u4ef6\u7684\u62e5\u6709\u8005\u6216\u6240\u5c5e\u7ec4\u7684UID\u8fdb\u884c\u5bf9\u6bd4\u3002<\/p>\n<h3 id=\"5.%20%E4%BF%AE%E6%94%B9%E8%BF%9B%E7%A8%8B%E4%BC%98%E5%85%88%E7%BA%A7\">5. \u4fee\u6539\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u5728Linux\u4e0b&#xff0c;\u4fee\u6539\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e3b\u8981\u662f\u901a\u8fc7\u4fee\u6539nice\u503c\u6765\u5b8c\u6210&#xff08;\u6ce8\u610fnice\u503c\u7684\u53d6\u503c\u8303\u56f4&#xff09;\u3002\u53ef\u4ee5\u4f7f\u7528top\u547d\u4ee4\u4fee\u6539\u8fdb\u7a0b\u4f18\u5148\u7ea7&#xff1a;<\/p>\n<p>\u8f93\u5165top &#8211;&gt; \u6309\u201c r \u201d &#8211;&gt; \u8f93\u5165\u8fdb\u7a0b\u7684PID &#8211;&gt; \u8f93\u5165\u65b0\u7684nice\u503c<\/p>\n<p><span style=\"color:#ff9900\">\u6ce8\u610f&#xff1a;\u666e\u901a\u7528\u6237\u53ea\u80fd\u7ed9\u81ea\u5df1\u7684\u8fdb\u7a0b\u8bbe\u7f6e\u4f18\u5148\u7ea7&#xff0c;\u4e14\u53ea\u80fd\u5c06\u4f18\u5148\u7ea7\u8c03\u4f4e&#xff08;nice\u503c\u8c03\u9ad8&#xff09;&#xff1b;\u800croot\u7528\u6237\u53ef\u4ee5\u5728\u53d6\u503c\u8303\u56f4\u5185\u968f\u610f\u8c03\u6574\u4efb\u610f\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u3002\u00a0<\/span><\/p>\n<p>\u00a0\u63a5\u4e0b\u6765\u6211\u4eec\u5c1d\u8bd5\u8c03\u6574\u4e00\u4e2a\u8fdb\u7a0bprocess\u7684\u4f18\u5148\u7ea7&#xff1a;<\/p>\n<p>process\u7684\u6e90\u7801&#xff1a;<\/p>\n<p>#include &lt;stdio.h&gt;<br \/>\n#include &lt;unistd.h&gt;<\/p>\n<p>int main()<br \/>\n{<br \/>\n    while(1)<br \/>\n    {<br \/>\n        sleep(1);<br \/>\n        printf(&#034;hello\\\\n&#034;);<br \/>\n    }<br \/>\n    return 0;<br \/>\n}<\/p>\n<p>\u9996\u5148\u8fd0\u884cprocess&#xff0c;\u67e5\u770bprocess\u7684\u4f18\u5148\u7ea7&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"126\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023115-6826a373d5159.png\" width=\"1182\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230process\u7684\u4f18\u5148\u7ea7\u662f80\u3002\u63a5\u4e0b\u6765\u5c06nice\u4fee\u6539\u4e3a10&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"143\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023115-6826a373ec017.png\" width=\"1194\" \/><\/p>\n<p>\u8fd9\u91ccprocess\u7684PRI\u53d8\u6210\u4e8690&#xff0c;\u800cnice\u503c\u4e3a10\u3002<span style=\"color:#956fe7\">\u6b64\u65f690\u662fprocess\u7684\u771f\u5b9e\u4f18\u5148\u7ea7<\/span>\u3002\u00a0<\/p>\n<p>\u5982\u679c\u4fee\u6539\u4e3a-10&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"37\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023116-6826a37410101.png\" width=\"882\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230&#xff0c;\u666e\u901a\u7528\u6237\u4e0b&#xff0c;\u5c06nice\u503c\u8c03\u4f4e\u662f\u4e0d\u88ab\u5141\u8bb8\u7684\u3002<\/p>\n<p>\u5982\u679c\u6539\u4e3a100&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"135\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023116-6826a3741c111.png\" width=\"1188\" \/><\/p>\n<p>\u7531\u4e8e\u53d6\u503c\u8303\u56f4\u7684\u9650\u5236&#xff0c;nice\u503c\u6700\u9ad8\u4e3a19&#xff0c;\u8f93\u5165100\u53ea\u80fd\u5c06\u5176\u6539\u4e3a19\u3002<\/p>\n<p><span style=\"color:#fe2c24\">\u6ce8\u610f&#xff1a;\u5982\u679c\u4f18\u5148\u7ea7\u8bbe\u7f6e\u4e0d\u5408\u7406&#xff0c;\u5c31\u4f1a\u5bfc\u81f4\u4f18\u5148\u7ea7\u4f4e\u7684\u8fdb\u7a0b\u957f\u65f6\u95f4\u83b7\u53d6\u4e0d\u5230CPU\u8d44\u6e90&#xff0c;\u5bfc\u81f4\u8fdb\u7a0b\u9965\u997f\u3002<\/span><\/p>\n<h2 id=\"%E4%BA%8C%E3%80%81%E8%BF%9B%E7%A8%8B%E5%88%87%E6%8D%A2\">\u4e8c\u3001\u8fdb\u7a0b\u5207\u6362<\/h2>\n<h3 id=\"1.%20%E6%A6%82%E5%BF%B5%C2%A0\">1. \u6982\u5ff5\u00a0<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 CPU\u5728\u6267\u884c\u4e00\u4e2a\u8fdb\u7a0b\u65f6&#xff0c;\u7531\u4e8e\u8fd8\u6709\u5176\u4ed6\u8fdb\u7a0b\u7684\u5b58\u5728&#xff0c;\u5b83\u4e0d\u4f1a\u4e00\u6b21\u5c06\u6240\u6709\u4ee3\u7801\u5168\u90e8\u8dd1\u5b8c&#xff0c;\u800c\u662f\u8dd1\u4e00\u4f1a\u540e&#xff0c;\u8f6c\u800c\u53bb\u6267\u884c\u5176\u4ed6\u8fdb\u7a0b&#xff0c;\u518d\u6765\u6267\u884c\u5f53\u524d\u8fdb\u7a0b&#8230;&#8230;\u8fd9\u6837\u624d\u53ef\u4ee5\u5728\u4e00\u6bb5\u65f6\u95f4\u4e4b\u5185\u4f7f\u5f97\u591a\u4e2a\u8fdb\u7a0b\u90fd\u6709\u6240\u63a8\u8fdb\u3002<span style=\"color:#956fe7\">CPU\u4ece\u6267\u884c\u5f53\u524d\u8fdb\u7a0b\u53d8\u4e3a\u6267\u884c\u5176\u4ed6\u8fdb\u7a0b\u7684\u8fc7\u7a0b\u53eb\u505a\u8fdb\u7a0b\u5207\u6362<\/span>\u3002<\/p>\n<p>\u5f53\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u90fd\u662f\u5206\u65f6\u7684&#xff0c;\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u5b83\u76f8\u5e94\u7684\u65f6\u95f4\u7247&#xff08;\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u8ba1\u65f6\u5668&#xff09;\u3002\u5f53\u524d\u8fdb\u7a0b\u7684\u65f6\u95f4\u7247\u7528\u5b8c\u540e&#xff0c;\u5c31\u4f1a\u5207\u6362\u5230\u5176\u4ed6\u8fdb\u7a0b\u3002<\/p>\n<h3 id=\"2.%20%E8%BF%9B%E7%A8%8B%E5%88%87%E6%8D%A2%E7%9A%84%E8%BF%87%E7%A8%8B\">2. \u8fdb\u7a0b\u5207\u6362\u7684\u8fc7\u7a0b<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e00\u4e2a\u8fdb\u7a0b\u5728CPU\u4e0a\u8fd0\u884c\u5230\u65f6\u95f4\u7247\u7ed3\u675f\u4e4b\u540e&#xff0c;\u9996\u5148\u5b58\u50a8\u81ea\u5df1\u6267\u884c\u4f4d\u7f6e\u7684\u4e0a\u4e0b\u6587\u6570\u636e\u5230\u81ea\u5df1\u7684TSS&#xff08;\u4efb\u52a1\u72b6\u6001\u6bb5&#xff0c;\u5b58\u50a8\u5728task_struct\u5f53\u4e2d&#xff09;\u5f53\u4e2d&#xff0c;\u7136\u540e\u5c06\u8fdb\u7a0b\u91cd\u65b0\u653e\u5165\u8c03\u5ea6\u961f\u5217\u961f\u5c3e\u3002\u8fdb\u7a0b\u53d1\u751f\u5207\u6362\u65f6&#xff0c;\u5c06\u65b0\u7684\u8fdb\u7a0b\u7684TSS\u4e2d\u7684\u6570\u636e\u62f7\u8d1d&#xff08;\u6062\u590d&#xff09;\u5230CPU\u7684\u5bf9\u5e94\u5bc4\u5b58\u5668\u4e2d&#xff0c;\u7ee7\u7eed\u6267\u884c\u3002\u00a0<\/p>\n<p>\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u6570\u636e\u6307\u7684\u662f\u8fdb\u7a0b\u5728\u8fd0\u884c\u65f6&#xff0c;\u9700\u8981\u4fdd\u5b58\u548c\u6062\u590d\u7684\u6240\u6709\u5173\u952e\u4fe1\u606f&#xff08;\u4f8b\u5982\u53d1\u751f\u5207\u6362\u65f6CPU\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e&#xff09;&#xff0c;\u8fd9\u6837\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u8fdb\u7a0b\u53d1\u751f\u4e00\u7cfb\u5217\u5207\u6362\u540e&#xff0c;\u91cd\u65b0\u6267\u884c\u8be5\u8fdb\u7a0b\u65f6&#xff0c;\u80fd\u4ece\u539f\u6765\u7684\u72b6\u6001\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"641\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023116-6826a37432d34.png\" width=\"1129\" \/><\/p>\n<h3 id=\"3.%20%E8%BF%9B%E7%A8%8B%E5%88%87%E6%8D%A2%E7%9A%84%E6%84%8F%E4%B9%89\">3. \u8fdb\u7a0b\u5207\u6362\u7684\u610f\u4e49<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fdb\u7a0b\u5207\u6362\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u80fd\u7ba1\u7406\u591a\u4e2a\u8fdb\u7a0b&#xff0c;\u4fdd\u8bc1\u5404\u8fdb\u7a0b\u80fd\u6309\u7167\u4f18\u5148\u7ea7\u83b7\u5f97CPU\u4f7f\u7528\u6743&#xff0c;\u662f\u5b9e\u73b0\u591a\u4efb\u52a1\u7684\u57fa\u7840\u3002\u591a\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u201c\u8f6e\u6d41\u201d\u8fd0\u884c&#xff0c;\u7cfb\u7edf\u5229\u7528\u7387\u548c\u54cd\u5e94\u901f\u5ea6\u5f97\u4ee5\u63d0\u9ad8\u3002<\/p>\n<h3 id=\"4.%20Linux%E7%9A%84%E8%BF%9B%E7%A8%8B%E8%B0%83%E5%BA%A6%EF%BC%88O(1)%E8%B0%83%E5%BA%A6%E7%AE%97%E6%B3%95%EF%BC%89\" style=\"background-color:transparent\">4. Linux\u7684\u8fdb\u7a0b\u8c03\u5ea6&#xff08;O(1)\u8c03\u5ea6\u7b97\u6cd5&#xff09;<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9ad8\u6548\u7684\u8fdb\u7a0b\u5207\u6362\u4e0d\u4ec5\u4fdd\u8bc1\u4e86\u591a\u4efb\u52a1\u7cfb\u7edf\u7684\u6d41\u7545\u8fd0\u884c&#xff0c;\u8fd8\u76f4\u63a5\u5f71\u54cd\u7740\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u4e0e\u6574\u4f53\u6027\u80fd\u3002\u4e3a\u4e86\u5b9e\u73b0\u5feb\u901f\u3001\u5408\u7406\u7684\u8fdb\u7a0b\u8c03\u5ea6&#xff0c;Linux\u5185\u6838\u91c7\u7528\u4e86\u591a\u79cd\u8c03\u5ea6\u7b97\u6cd5&#xff0c;\u5176\u4e2dO(1)\u8c03\u5ea6\u5668\u5c31\u662f\u57282.6\u7248\u672c\u4e2d\u6240\u5f15\u5165\u7684\u4e00\u79cd\u91cd\u8981\u7b97\u6cd5\u3002\u63a5\u4e0b\u6765&#xff0c;\u6211\u4eec\u5c06\u6df1\u5165\u4e86\u89e3<span style=\"color:#956fe7\">O(1)\u8c03\u5ea6\u7b97\u6cd5<\/span>&#xff0c;\u770b\u770b\u5b83\u662f\u5982\u4f55\u5b9e\u73b0\u5bf9\u5927\u91cf\u8fdb\u7a0b\u7684\u9ad8\u6548\u7ba1\u7406\u7684\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u63d0\u5230\u8fc7\u4e00\u4e2aCPU\u7ef4\u62a4\u4e00\u4e2a\u8fdb\u7a0b\u8c03\u5ea6\u961f\u5217&#xff0c;\u8be5\u961f\u5217\u4e2d\u5b58\u653e\u7740\u4e00\u4e2a\u4e2aPCB&#xff0c;\u7b49\u5f85CPU\u5bf9\u5b83\u4eec\u8fdb\u884c\u8c03\u5ea6\u3002\u5b9e\u9645\u4e0a\u8fd9\u4e2a\u201c\u8fdb\u7a0b\u8c03\u5ea6\u961f\u5217\u201d\u8fdc\u8fdc\u6bd4\u4f20\u7edf\u7684\u961f\u5217\u590d\u6742\u3002\u5728Linux\u4e2d&#xff0c;\u8fdb\u7a0b\u8c03\u5ea6\u961f\u5217\u53eb\u505a<span style=\"color:#956fe7\">runqueue<\/span>&#xff0c;\u5b83\u7684\u7ed3\u6784\u5982\u56fe\u6240\u793a&#xff1a;<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"918\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023116-6826a3747e1cd.png\" width=\"1113\" \/><\/p>\n<p>\u4e00\u4e2aCPU\u7ef4\u62a4\u4e00\u4e2a\u8fd0\u884c\u961f\u5217runqueue&#xff0c;\u5176\u4e2d\u6570\u7ec4prio_array_t\u4e2d\u7684queue\u662f\u5b58\u653e\u8fdb\u7a0bPCB\u7684\u5173\u952e\u3002<\/p>\n<p><span style=\"color:#4da8ee\">queue<\/span>\u672c\u8d28\u662f\u4e00\u4e2a<span style=\"color:#956fe7\">\u94fe\u5730\u5740\u6cd5\u7684\u54c8\u5e0c\u8868<\/span>&#xff0c;\u5176\u4e2d\u6709140\u4e2a\u54c8\u5e0c\u6876&#xff08;\u524d100\u4e2a\u54c8\u5e0c\u6876\u8868\u793a\u5b9e\u65f6\u4f18\u5148\u7ea7&#xff0c;\u5269\u4f5940\u4e2a\u521a\u597d\u5bf9\u5e9440\u79cd\u4f18\u5148\u7ea7&#xff0c;\u6240\u4ee5\u54c8\u5e0c\u6876\u7684\u4e0b\u6807 &#8211; 40\u5c31\u662f\u8fdb\u7a0b\u4f18\u5148\u7ea7&#xff09;&#xff0c;<span style=\"color:#956fe7\">\u76f8\u540c\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0btask_struct\u5b58\u653e\u5728\u540c\u4e00\u4e2a\u54c8\u5e0c\u6876\u4e2d<\/span>&#xff0c;\u8fd9\u6837&#xff0c;\u5f53\u9700\u8981\u8c03\u5ea6\u65f6&#xff0c;\u6309\u7167\u4e0b\u6807\u5c0f\u5230\u5927\u7684\u987a\u5e8f\u626b\u63cf\u6bcf\u4e00\u4e2a\u54c8\u5e0c\u6876&#xff0c;\u5148\u8bbf\u95ee\u5230\u7684\u8fdb\u7a0b\u5c31\u662f\u4f18\u5148\u7ea7\u9ad8\u7684&#xff08;\u56e0\u4e3a\u4f18\u5148\u7ea7\u7684\u503c\u8d8a\u5c0f&#xff0c;\u4f18\u5148\u7ea7\u8d8a\u9ad8&#xff09;&#xff0c;\u7136\u540e\u62ff\u51fa\u6876\u4e2d\u7684task_struct\u8fdb\u884c\u8c03\u5ea6\u3002<\/p>\n<p>\u8003\u8651\u5230\u6bcf\u6b21\u90fd\u8981\u904d\u5386140\u4e2a\u54c8\u5e0c\u6876&#xff0c;\u6548\u7387\u8f83\u4f4e&#xff0c;\u6240\u4ee5\u6709\u4e00\u4e2a\u4f4d\u56fe<span style=\"color:#4da8ee\">bitmap<\/span>&#xff0c;\u4f4d\u56fe\u4e2d\u67095\u4e2a32\u4f4d\u7684\u6574\u5f62\u53d8\u91cf&#xff0c;\u52a0\u8d77\u6765\u4e00\u5171160\u4f4d&#xff0c;\u5176\u4e2d\u7684140\u4f4d\u8868\u793a\u5bf9\u5e94\u7684\u54c8\u5e0c\u6876\u4e2d\u662f\u5426\u6709task_struct&#xff0c;\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u5224\u65ad\u54ea\u4e00\u4f4d\u662f\u201c1\u201d&#xff0c;\u5c31\u8868\u793a\u54ea\u4e00\u4e2a\u6876\u9700\u8981\u88ab\u8bbf\u95ee\u3002\u9664\u6b64\u4e4b\u5916&#xff0c;\u8fd8\u6709\u4e00\u4e2a\u53d8\u91cf<span style=\"color:#4da8ee\">nr_active<\/span>&#xff0c;\u8868\u793a\u6574\u4e2a\u54c8\u5e0c\u8868\u4e2d\u7684\u5143\u7d20\u4e2a\u6570&#xff0c;\u5bf9\u5e94\u6b63\u5728\u8fd0\u884c\u65f6\u7684\u8fdb\u7a0b\u4e2a\u6570\u3002<\/p>\n<p>queue\u3001bitmap\u3001nr_active\u5171\u540c\u6784\u6210\u4e00\u4e2a\u7ed3\u6784\u4f53&#xff0c;\u53eb\u505arqueue_elem\u3002<\/p>\n<p>\u5982\u6b64&#xff0c;\u8bbf\u95ee\u4f4d\u56fe&#xff0c;\u6309\u987a\u5e8f\u627e\u5230\u5b58\u5728\u5143\u7d20\u7684\u54c8\u5e0c\u6876&#xff0c;\u8fdb\u884c\u8c03\u5ea6&#xff0c;\u6574\u4e2a\u8c03\u5ea6\u8fc7\u7a0b\u6548\u7387\u5c31\u80fd\u8fbe\u5230O(1)\u3002\u00a0<\/p>\n<p><span style=\"color:#fe2c24\">\u4f46\u662f\u56fe\u4e2d\u7684prio_array_t\u6570\u7ec4\u6709\u4e24\u4e2a\u5143\u7d20&#xff0c;\u4e5f\u5c31\u662f\u8bf4\u6709\u4e24\u5f20\u54c8\u5e0c\u8868&#xff0c;\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462&#xff1f;\u8fd9\u5c31\u8981\u4ece\u8fdb\u7a0b\u5207\u6362\u7684\u89d2\u5ea6\u5f00\u59cb\u8c08\u8d77\u4e86\u3002<\/span><\/p>\n<p><span style=\"color:null\">\u8bd5\u60f3&#xff0c;\u5982\u679c\u53ea\u6709\u4e00\u5f20\u54c8\u5e0c\u8868&#xff0c;\u90a3\u4e48\u53d1\u751f\u8fdb\u7a0b\u5207\u6362\u65f6\u4f1a\u600e\u4e48\u6837&#xff1f;<\/span><\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"459\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023116-6826a374e094a.png\" width=\"855\" \/><\/p>\n<p>\u5047\u8bbe\u7b2c100\u4e2a\u54c8\u5e0c\u6876\u5f53\u4e2d\u67093\u4e2a\u8fdb\u7a0b&#xff0c;\u7b2c\u4e00\u4e2a\u8fdb\u7a0b\u7684\u65f6\u95f4\u7247\u8017\u5c3d\u540e&#xff0c;\u4f1a\u53d1\u751f\u8fdb\u7a0b\u5207\u6362&#xff0c;\u6b64\u65f6\u6309\u7167\u4f18\u5148\u7ea7&#xff0c;\u53ea\u80fd\u5c06\u5b83\u91cd\u65b0\u63d2\u5165\u5728\u5f53\u524d\u54c8\u5e0c\u6876\u7684\u94fe\u8868\u5c3e\u90e8&#xff0c;\u5f53\u7136&#xff0c;\u5176\u4ed6\u4e24\u4e2a\u8fdb\u7a0b\u4e5f\u662f\u5982\u6b64\u3002\u8fd9\u6837\u867d\u7136\u80fd\u591f\u5b8c\u6210\u8fd93\u4e2a\u8fdb\u7a0b\u7684\u8f6e\u6d41\u8c03\u5ea6&#xff0c;\u4f46\u662f\u66f4\u4f4e\u4f18\u5148\u7ea7&#xff08;\u4e5f\u5c31\u662f\u4e0b\u6807\u66f4\u5927\u7684\u54c8\u5e0c\u6876&#xff09;\u7684\u8fdb\u7a0b\u5462&#xff1f;\u5f53\u524d\u54c8\u5e0c\u6876\u4e2d\u53ea\u8981\u6709\u5143\u7d20&#xff0c;CPU\u5c31\u4f1a\u4e00\u76f4\u8f6e\u6d41\u8c03\u5ea6\u5f53\u524d\u54c8\u5e0c\u6876\u4e2d\u7684\u8fdb\u7a0b&#xff0c;\u800c\u4f1a\u5ffd\u7565\u4f18\u5148\u7ea7\u66f4\u4f4e\u7684\u8fdb\u7a0b&#xff0c;\u5bfc\u81f4\u8fdb\u7a0b\u9965\u997f\u3002<span style=\"color:#956fe7\">\u8981\u8c03\u5ea6\u4f18\u5148\u7ea7\u66f4\u4f4e\u7684\u8fdb\u7a0b&#xff0c;\u5c31\u5fc5\u987b\u7b49\u5f85\u5f53\u524d\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5168\u90e8\u8c03\u5ea6\u5b8c\u6bd5&#xff0c;\u663e\u7136\u662f\u4e0d\u5408\u7406\u7684&#xff0c;\u6781\u5927\u5730\u635f\u5931\u4e86\u516c\u5e73\u6027<\/span>\u3002<\/p>\n<p>\u56e0\u6b64&#xff0c;\u524d\u8f88\u4eec\u60f3\u5230\u4e86\u4e00\u4e2a\u5de7\u5999\u7684\u65b9\u6cd5&#xff1a;\u518d\u521b\u5efa\u4e00\u4e2a\u76f8\u540c\u7684\u7ed3\u6784\u4f53rqueue_elem&#xff0c;\u5176\u4e2d\u4e5f\u5305\u542b\u4e00\u4e2aqueue\u3001bitmap\u3001nr_active&#xff0c;\u4e24\u4e2arqueue_elem\u6784\u6210\u4e00\u4e2a\u6570\u7ec4<span style=\"color:#4da8ee\">prio_array_t[2]<\/span>\u3002<\/p>\n<p>\u7136\u540e\u521b\u5efa\u4e24\u4e2a\u6307\u9488<span style=\"color:#4da8ee\">native<\/span>\u548c<span style=\"color:#4da8ee\">expired<\/span>&#xff0c;\u5206\u522b\u6307\u5411prio_array_t[0]\u548cprio_array_t[1]&#xff0c;native\u6307\u5411\u7684\u8868\u793a\u201c\u6d3b\u8dc3\u961f\u5217\u201d&#xff1b;expired\u6307\u5411\u7684\u8868\u793a\u201c\u8fc7\u671f\u961f\u5217\u201d\u3002\u5f53\u53d1\u751f\u8fdb\u7a0b\u5207\u6362\u65f6&#xff0c;\u88ab\u8c03\u5ea6\u7ed3\u675f\u7684\u8fdb\u7a0b\u4f1a<span style=\"color:#956fe7\">\u63d2\u5165\u5230\u201c\u8fc7\u671f\u961f\u5217\u201d\u7684\u5bf9\u5e94\u4f18\u5148\u7ea7\u7684\u54c8\u5e0c\u6876\u4e2d&#xff0c;\u7136\u540e\u7ee7\u7eed\u8bbf\u95ee\u201c\u6d3b\u8dc3\u961f\u5217\u201d\u4e2d\u7684\u54c8\u5e0c\u6876&#xff0c;\u4e00\u4e2a\u4e2a\u5730\u8c03\u5ea6\u3002\u8fd9\u6837&#xff0c;\u5f53\u524d\u201c\u6d3b\u8dc3\u961f\u5217\u201d\u54c8\u5e0c\u6876\u4e2d\u7684\u5143\u7d20\u5c31\u4f1a\u8d8a\u6765\u8d8a\u5c11&#xff0c;\u76f4\u5230\u4e3a0&#xff0c;\u5c31\u53ef\u4ee5\u8bbf\u95ee\u4f18\u5148\u7ea7\u66f4\u4f4e\u7684\u54c8\u5e0c\u6876<\/span><span style=\"color:null\">&#8230;&#8230;\u6700\u540e<\/span>\u6240\u6709\u8fdb\u7a0b\u90fd\u4f1a\u88ab\u8c03\u5ea6&#xff0c;\u800c\u4e0d\u662f\u9ad8\u4f18\u5148\u7ea7\u8fdb\u7a0b\u8fd0\u884c\u5b8c\u6bd5\u540e\u624d\u80fd\u8c03\u5ea6\u4f4e\u4f18\u5148\u7ea7\u8fdb\u7a0b\u3002<\/p>\n<p><span style=\"color:null\">\u5f53\u201c\u6d3b\u8dc3\u961f\u5217\u201d\u6574\u4e2a\u54c8\u5e0c\u8868\u5185\u7684\u8fdb\u7a0b\u90fd\u88ab\u8c03\u5ea6\u8fc7\u540e&#xff08;\u6b64\u65f6\u8fd9\u4e9b\u8fdb\u7a0b\u5e94\u5168\u90fd\u4f4d\u4e8e\u201c\u8fc7\u671f\u961f\u5217\u201d\u5bf9\u5e94\u7684\u54c8\u5e0c\u6876\u4e2d&#xff09;&#xff0c;<\/span><span style=\"color:#956fe7\">\u4ea4\u6362native\u548cexpired\u4e24\u4e2a\u6307\u9488\u7684\u6307\u5411<\/span><span style=\"color:null\">&#xff0c;\u8fd9\u6837\u201c\u8fc7\u671f\u961f\u5217\u201d\u5c31\u53d8\u6210\u4e86\u201c\u6d3b\u8dc3\u961f\u5217\u201d&#xff0c;\u5c31\u53ef\u4ee5\u5f00\u59cb\u4e0b\u4e00\u8f6e\u7684\u8c03\u5ea6\u4e86\u3002<\/span><\/p>\n<p>\u5982\u679c\u6709\u65b0\u8fdb\u7a0b\u51fa\u73b0&#xff0c;\u4f1a\u76f4\u63a5\u63d2\u5165\u201c\u8fc7\u671f\u961f\u5217\u201d\u5f53\u4e2d\u3002\u6b64\u65f6\u65b0\u8fdb\u7a0b\u5904\u4e8e\u201c\u5c31\u7eea\u72b6\u6001\u201d&#xff0c;\u7b49\u5f85\u4e00\u8f6e\u7684\u8c03\u5ea6\u7ed3\u675f\u540e&#xff0c;\u65b0\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u88ab\u8c03\u5ea6\u3002<\/p>\n<h2 id=\"%E6%80%BB%E7%BB%93\">\u603b\u7ed3<\/h2>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u672c\u7bc7\u6587\u7ae0&#xff0c;\u6211\u4eec\u7cfb\u7edf\u5730\u4e86\u89e3\u4e86\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u5b9a\u4e49\u3001\u610f\u4e49\u4ee5\u53ca\u5728Linux\u4e0b\u7684\u8c03\u6574\u65b9\u6cd5&#xff0c;\u4e5f\u68b3\u7406\u4e86\u8fdb\u7a0b\u5207\u6362\u7684\u57fa\u672c\u6d41\u7a0b\u4e0e\u6838\u5fc3\u4f5c\u7528\u3002\u4ece\u8fdb\u7a0b\u4f18\u5148\u7ea7\u5230\u5207\u6362\u673a\u5236&#xff0c;\u518d\u5230Linux\u7684O(1)\u8c03\u5ea6\u7b97\u6cd5&#xff0c;\u8fd9\u4e9b\u77e5\u8bc6\u5171\u540c\u63ed\u793a\u4e86\u64cd\u4f5c\u7cfb\u7edf\u5728\u591a\u4efb\u52a1\u7ba1\u7406\u4e2d\u7684\u9ad8\u6548\u4e0e\u7cbe\u5999\u3002\u638c\u63e1\u8fd9\u4e9b\u539f\u7406&#xff0c;\u6709\u52a9\u4e8e\u66f4\u6df1\u5165\u7406\u89e3\u548c\u4f18\u5316 Linux \u7cfb\u7edf\u7684\u6027\u80fd&#xff0c;\u4e3a\u540e\u7eed\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u548c\u8fdb\u7a0b\u63a7\u5236\u7684\u5b66\u4e60\u6253\u4e0b\u575a\u5b9e\u57fa\u7840\u3002\u5982\u679c\u4f60\u89c9\u5f97\u535a\u4e3b\u8bb2\u7684\u8fd8\u4e0d\u9519&#xff0c;\u5c31\u8bf7\u7559\u4e0b\u4e00\u4e2a\u5c0f\u5c0f\u7684\u8d5e\u5728\u8d70\u54e6&#xff0c;\u611f\u8c22\u5927\u5bb6\u7684\u652f\u6301\u2764\u2764\u2764<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb2.2k\u6b21\uff0c\u70b9\u8d5e64\u6b21\uff0c\u6536\u85cf57\u6b21\u3002\u8fdb\u7a0b\u4f18\u5148\u7ea7\u662f\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u7ed9\u8fdb\u7a0b\u7684\u4e00\u79cd\u201c\u6743\u91cd\u201d\u6216\u201c\u7ea7\u522b\u201d\uff0c\u7528\u6765\u51b3\u5b9a\u5728\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u7ade\u4e89 CPU \u8d44\u6e90\u65f6\uff0c\u54ea\u4e00\u4e2a\u8fdb\u7a0b\u5148\u83b7\u5f97\u8fd0\u884c\u7684\u673a\u4f1a\u3002\u4f18\u5148\u7ea7\u9ad8\u7684\u8fdb\u7a0b\u4f1a\u88ab\u4f18\u5148\u8c03\u5ea6\u6267\u884c\uff0c\u4f4e\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5219\u53ef\u80fd\u9700\u8981\u7b49\u5f85\u3002\u672c\u7bc7\u6587\u7ae0\uff0c\u6211\u4eec\u7cfb\u7edf\u5730\u4e86\u89e3\u4e86\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u5b9a\u4e49\u3001\u610f\u4e49\u4ee5\u53ca\u5728Linux\u4e0b\u7684\u8c03\u6574\u65b9\u6cd5\uff0c\u4e5f\u68b3\u7406\u4e86\u8fdb\u7a0b\u5207\u6362\u7684\u57fa\u672c\u6d41\u7a0b\u4e0e\u6838\u5fc3\u4f5c\u7528\u3002\u4ece\u8fdb\u7a0b\u4f18\u5148\u7ea7\u5230\u5207\u6362\u673a\u5236\uff0c\u518d\u5230Linux\u7684O(1)\u8c03\u5ea6\u7b97\u6cd5\uff0c\u8fd9\u4e9b\u77e5\u8bc6\u5171\u540c\u63ed\u793a\u4e86\u64cd\u4f5c\u7cfb\u7edf\u5728\u591a\u4efb\u52a1\u7ba1\u7406\u4e2d\u7684\u9ad8\u6548\u4e0e\u7cbe\u5999\u3002\u638c\u63e1\u8fd9\u4e9b\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u66f4\u6df1\u5165\u7406\u89e3\u548c\u4f18\u5316 Linux \u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u4e3a\u540e\u7eed\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u548c\u8fdb\u7a0b\u63a7\u5236\u3002_\u8fdb\u7a0b\u4f18\u5148\u7ea7\u548c\u7ebf\u7a0b\u4f18\u5148\u7ea7<\/p>\n","protected":false},"author":2,"featured_media":37586,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-37595","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/37595.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb2.2k\u6b21\uff0c\u70b9\u8d5e64\u6b21\uff0c\u6536\u85cf57\u6b21\u3002\u8fdb\u7a0b\u4f18\u5148\u7ea7\u662f\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u7ed9\u8fdb\u7a0b\u7684\u4e00\u79cd\u201c\u6743\u91cd\u201d\u6216\u201c\u7ea7\u522b\u201d\uff0c\u7528\u6765\u51b3\u5b9a\u5728\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u7ade\u4e89 CPU \u8d44\u6e90\u65f6\uff0c\u54ea\u4e00\u4e2a\u8fdb\u7a0b\u5148\u83b7\u5f97\u8fd0\u884c\u7684\u673a\u4f1a\u3002\u4f18\u5148\u7ea7\u9ad8\u7684\u8fdb\u7a0b\u4f1a\u88ab\u4f18\u5148\u8c03\u5ea6\u6267\u884c\uff0c\u4f4e\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5219\u53ef\u80fd\u9700\u8981\u7b49\u5f85\u3002\u672c\u7bc7\u6587\u7ae0\uff0c\u6211\u4eec\u7cfb\u7edf\u5730\u4e86\u89e3\u4e86\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u5b9a\u4e49\u3001\u610f\u4e49\u4ee5\u53ca\u5728Linux\u4e0b\u7684\u8c03\u6574\u65b9\u6cd5\uff0c\u4e5f\u68b3\u7406\u4e86\u8fdb\u7a0b\u5207\u6362\u7684\u57fa\u672c\u6d41\u7a0b\u4e0e\u6838\u5fc3\u4f5c\u7528\u3002\u4ece\u8fdb\u7a0b\u4f18\u5148\u7ea7\u5230\u5207\u6362\u673a\u5236\uff0c\u518d\u5230Linux\u7684O(1)\u8c03\u5ea6\u7b97\u6cd5\uff0c\u8fd9\u4e9b\u77e5\u8bc6\u5171\u540c\u63ed\u793a\u4e86\u64cd\u4f5c\u7cfb\u7edf\u5728\u591a\u4efb\u52a1\u7ba1\u7406\u4e2d\u7684\u9ad8\u6548\u4e0e\u7cbe\u5999\u3002\u638c\u63e1\u8fd9\u4e9b\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u66f4\u6df1\u5165\u7406\u89e3\u548c\u4f18\u5316 Linux \u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u4e3a\u540e\u7eed\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u548c\u8fdb\u7a0b\u63a7\u5236\u3002_\u8fdb\u7a0b\u4f18\u5148\u7ea7\u548c\u7ebf\u7a0b\u4f18\u5148\u7ea7\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/37595.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-16T02:31:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023115-6826a373ab3cf.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/37595.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/37595.html\",\"name\":\"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-05-16T02:31:18+00:00\",\"dateModified\":\"2025-05-16T02:31:18+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/37595.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/37595.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/37595.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/37595.html","og_locale":"zh_CN","og_type":"article","og_title":"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb2.2k\u6b21\uff0c\u70b9\u8d5e64\u6b21\uff0c\u6536\u85cf57\u6b21\u3002\u8fdb\u7a0b\u4f18\u5148\u7ea7\u662f\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u7ed9\u8fdb\u7a0b\u7684\u4e00\u79cd\u201c\u6743\u91cd\u201d\u6216\u201c\u7ea7\u522b\u201d\uff0c\u7528\u6765\u51b3\u5b9a\u5728\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u7ade\u4e89 CPU \u8d44\u6e90\u65f6\uff0c\u54ea\u4e00\u4e2a\u8fdb\u7a0b\u5148\u83b7\u5f97\u8fd0\u884c\u7684\u673a\u4f1a\u3002\u4f18\u5148\u7ea7\u9ad8\u7684\u8fdb\u7a0b\u4f1a\u88ab\u4f18\u5148\u8c03\u5ea6\u6267\u884c\uff0c\u4f4e\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5219\u53ef\u80fd\u9700\u8981\u7b49\u5f85\u3002\u672c\u7bc7\u6587\u7ae0\uff0c\u6211\u4eec\u7cfb\u7edf\u5730\u4e86\u89e3\u4e86\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u5b9a\u4e49\u3001\u610f\u4e49\u4ee5\u53ca\u5728Linux\u4e0b\u7684\u8c03\u6574\u65b9\u6cd5\uff0c\u4e5f\u68b3\u7406\u4e86\u8fdb\u7a0b\u5207\u6362\u7684\u57fa\u672c\u6d41\u7a0b\u4e0e\u6838\u5fc3\u4f5c\u7528\u3002\u4ece\u8fdb\u7a0b\u4f18\u5148\u7ea7\u5230\u5207\u6362\u673a\u5236\uff0c\u518d\u5230Linux\u7684O(1)\u8c03\u5ea6\u7b97\u6cd5\uff0c\u8fd9\u4e9b\u77e5\u8bc6\u5171\u540c\u63ed\u793a\u4e86\u64cd\u4f5c\u7cfb\u7edf\u5728\u591a\u4efb\u52a1\u7ba1\u7406\u4e2d\u7684\u9ad8\u6548\u4e0e\u7cbe\u5999\u3002\u638c\u63e1\u8fd9\u4e9b\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u66f4\u6df1\u5165\u7406\u89e3\u548c\u4f18\u5316 Linux \u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u4e3a\u540e\u7eed\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u548c\u8fdb\u7a0b\u63a7\u5236\u3002_\u8fdb\u7a0b\u4f18\u5148\u7ea7\u548c\u7ebf\u7a0b\u4f18\u5148\u7ea7","og_url":"https:\/\/www.wsisp.com\/helps\/37595.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-05-16T02:31:18+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250516023115-6826a373ab3cf.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/37595.html","url":"https:\/\/www.wsisp.com\/helps\/37595.html","name":"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-05-16T02:31:18+00:00","dateModified":"2025-05-16T02:31:18+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/37595.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/37595.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/37595.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u3010Linux\u3011\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4e0e\u8fdb\u7a0b\u5207\u6362\u7406\u89e3"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/37595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=37595"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/37595\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/37586"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=37595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=37595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=37595"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=37595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}