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Linux 内核 CFS 调度器深度解析：完全公平调度的红黑树算法、虚拟运行时间计算与生产调优实战

深度解析Linux内核CFS完全公平调度器：红黑树数据结构、虚拟运行时间计算原理、nice值到权重的数学映射、唤醒抢占机制、PELT负载追踪算法、cgroup CPU带宽限制实现、NUMA调度域层次与自动均衡，以及生产环境中容器/低延迟/批处理场景的调优策略与perf/ftrace/BPF性能监控工具链。

编程技术 2026年09月28日 0 点赞 0 评论 4 浏览

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基本文件流程错误 SQL 调试

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[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000084s ]
[ CACHE ] INIT File
[ BEHAVIOR ] Run \addons\cms\Cms @app_init [ RunTime:0.011240s ]
[ BEHAVIOR ] Run \addons\fastchat\Fastchat @app_init [ RunTime:0.000207s ]
[ BEHAVIOR ] Run \addons\log\Log @app_init [ RunTime:0.001826s ]
[ BEHAVIOR ] Run \addons\shop\Shop @app_init [ RunTime:0.003932s ]
[ BEHAVIOR ] Run \addons\yunping\Yunping @app_init [ RunTime:0.000564s ]
[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000770s ]
[ BEHAVIOR ] Run app\common\behavior\Common @app_init [ RunTime:0.001710s ]
[ LANG ] /www/wwwroot/yebinbing/thinkphp/lang/zh-cn.php
[ BEHAVIOR ] Run app\common\behavior\Common @app_dispatch [ RunTime:0.000132s ]
[ ROUTE ] array ( 'type' => 'method', 'method' => array ( 0 => '\\think\\addons\\Route', 1 => 'execute', ), 'var' => array ( 'addon' => 'cms', 'controller' => 'tag', 'action' => 'index', ), )
[ HEADER ] array ( 'x-forwarded-proto' => 'https', 'cf-visitor' => '{"scheme":"https"}', 'cf-ipcountry' => 'US', 'cf-connecting-ip' => '216.73.216.103', 'cdn-loop' => 'cloudflare; loops=1', 'user-agent' => 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])', 'accept-encoding' => 'gzip, br', 'accept' => '*/*', 'cf-ray' => 'a42117542d1e3014-CMH', 'x-forwarded-for' => '216.73.216.103', 'host' => 'www.ybb.press', 'content-length' => '', 'content-type' => '', )
[ PARAM ] array ( 'orderby' => 'default', 'orderway' => 'desc', 'diyname' => 'PELT', )
[ RUN ] think\addons\Route->execute[ /www/wwwroot/yebinbing/vendor/fastadminnet/fastadmin-addons/src/addons/Route.php ]
[ LANG ] /www/wwwroot/yebinbing/public/../application/common/lang/zh-cn/addon.php
[ BEHAVIOR ] Run app\common\behavior\Common @addon_begin [ RunTime:0.004867s ]
[ LANG ] /www/wwwroot/yebinbing/addons/cms/lang/zh-cn.php
[ DB ] INIT mysql
[ VIEW ] /www/wwwroot/yebinbing/addons/cms/view/default/tag.html [ array ( 0 => 'config', 1 => 'user', 2 => 'site', 3 => '__CHANNEL__', 4 => 'isWechat', 5 => 'canonical_url', 6 => '__FILTERLIST__', 7 => '__ORDERLIST__', 8 => '__TAG__', 9 => '__TAGS__', 10 => '__PAGELIST__', ) ]
[ SESSION ] INIT array ( 'id' => '', 'var_session_id' => '', 'prefix' => 'think', 'type' => '', 'auto_start' => true, )
[ BEHAVIOR ] Run \addons\cms\Cms @view_filter [ RunTime:0.000417s ]
[ BEHAVIOR ] Run \addons\shop\Shop @view_filter [ RunTime:0.000188s ]

0.290354s

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Linux 内核 CFS 调度器深度解析：完全公平调度的红黑树算法、虚拟运行时间计算与生产调优实战

PELT

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PELT

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