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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>One Man's Yammer</title>
<meta name="author" content="Yafang Shao">
<meta name="description" content="2017 我给Linux Kernel的background writeback贡献的一个patch LinuxCon+ContainerCon+CloudOpen 参会总结 strace是如何工作的 ? 擅用工具是最好的学习方式 为什么使能RPS/RFS, 或者RSS/网卡多队列后， …">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<link href="" rel="alternate" title="One Man's Yammer" type="application/atom+xml">
<link rel="canonical" href="">
<link href="/favicon.png" rel="shortcut icon">
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<script async="true" src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
</head>
<body>
<header id="header" class="inner"><h1><a href="/">One Man's Yammer</a></h1>
<nav id="main-nav"><ul class="main">
<li><a href="/read">BookWall</a></li>
</ul>
</nav>
<nav id="mobile-nav"> <ul class="main">
<li><a href="/read">BookWall</a></li>
</ul>
</nav>
<!-- <div class="menu"> --!>
<!--<a class="button">Menu</a>
<div class="container"><ul class="main">
<li><a href="/read">BookWall</a></li>
</ul>
</div>--!>
<!--</div>--!>
<!--</nav>--!>
<!-- @yfshao
<div class="alignright search">
<a class="button"></a>
<div class="container">
<form action="false" method="get">
<input type="text" name="q" results="0">
<input type="hidden" name="q" value="site:laoar.github.io">
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<!----!>
</header>
<div id="content" class="inner"><meta content="width=device-width,user-scalable=no" name="viewport">
<section class="archives">
<h1 class="year">2017</h1>
<article>
<a href="/blog/2017/10/15/background-writeback/">我给Linux Kernel的background writeback贡献的一个patch</a>
</article>
<article>
<a href="/blog/2017/07/05/lc3/">LinuxCon+ContainerCon+CloudOpen 参会总结</a>
</article>
<article>
<a href="/blog/2017/06/12/strace/">strace是如何工作的 ?</a>
</article>
<article>
<a href="/blog/2017/06/04/wireshark-comment/">擅用工具是最好的学习方式 </a>
</article>
<article>
<a href="/blog/2017/05/07/rps/">为什么使能RPS/RFS, 或者RSS/网卡多队列后，QPS反而下降？</a>
</article>
<article>
<a href="/blog/2017/04/28/directio/">Linus: Direct IO是个很脑残的设计</a>
</article>
<article>
<a href="/blog/2017/04/28/comments-on-qcon/">Qcon北京2017参会总结</a>
</article>
<article>
<a href="/blog/2017/04/23/qcon2017/">My talk at Qcon Bejing 2017</a>
</article>
<article>
<a href="/blog/2017/03/26/continue/">A sad story</a>
</article>
<section class="archives">
<h1 class="year">2016</h1>
<article>
<a href="/blog/2016/05/14/comments-on-breg/">Brendan Gregg: 一个实战派大神</a>
</article>
<article>
<a href="/blog/2016/03/02/nginx/">Linux内核分析： OOM杀掉nginx后导致的系统hang问题</a>
</article>
<article>
<a href="/blog/2016/02/29/highload/">Linux内核分析：页回收导致的cpu load瞬间飙高的问题分析与思考</a>
</article>
<section class="archives">
<h1 class="year">2015</h1>
<article>
<a href="/blog/2015/12/05/performance-tuning/">性能优化：来龙及去脉</a>
</article>
<article>
<a href="/blog/2015/09/04/namespace/">Docker背后的技术： Namespaces</a>
</article>
<article>
<a href="/blog/2015/08/17/callwheel/">FreeBSD里的callwheel机制(补充前一篇)</a>
</article>
<article>
<a href="/blog/2015/08/10/ndp/">RFC-2461 IPv6 NDP中NA延时的一个实现方案：异步/多实例/实时性</a>
</article>
<article>
<a href="/blog/2015/06/14/lock-free/">lock-free、网络吞吐量性能、并发及其他</a>
</article>
<article>
<a href="/blog/2015/04/27/open-vswitch/">Open vSwitch datapath浅析</a>
</article>
<article>
<a href="/blog/2015/03/31/algorithm/">编译器输出函数的算法对性能的影响</a>
</article>
<article>
<a href="/blog/2015/02/28/comments/">《Linux内核网络栈源代码情景分析》读后感</a>
</article>
<article>
<a href="/blog/2015/01/04/the-fight-in-rank-4d/">The Fight In Rank 4d</a>
</article>
<section class="archives">
<h1 class="year">2014</h1>
<article>
<a href="/blog/2014/12/27/reading-2014/">My Reading in 2014</a>
</article>
<article>
<a href="/blog/2014/11/26/loop-unrolling/">loop unrolling : may or may not make the program run faster</a>
</article>
<article>
<a href="/blog/2014/08/31/ruby/">Ruby, 我的书有点乱</a>
</article>
<article>
<a href="/blog/2014/07/13/jin-ji-de-ccheng-xu-yuan/">进击的C程序员, Ruby, 豆瓣读书</a>
</article>
<article>
<a href="/blog/2014/06/24/ldscript/">性能优化，要懂点编译原理</a>
</article>
<article>
<a href="/blog/2014/05/25/hello-github/">Hello Github!</a>
</article>
<article>
<a href="/blogs/501">性能优化：一些很有意思的尝试</a>
</article>
<article>
<a href="/blogs/482">性能优化，从linux内核里来学习，和一个例子</a>
</article>
<article>
<a href="/blogs/466">关于struct hack, 优雅的FreeBSD</a>
</article>
<article>
<a href="/blogs/455">性能优化,关于Profiling</a>
</article>
<article>
<a href="/blogs/435">为什么发送segment fault信号的进程总是PID0 ？</a>
</article>
<section class="archives">
<h1 class="year">2013</h1>
<article>
<a href="/blogs/402">MacOS: mdworker曾让我很不爽</a>
</article>
<article>
<a href="/blogs/367">三言两语聊Kernel：linux kernel和bsd kernel实现doubly-linked list的差异</a>
</article>
<article>
<a href="/blogs/361">三言两语聊Kernel：atomic </a>
</article>
<article>
<a href="/blogs/338">三言两语聊Kernel：该怎么理解Terminal</a>
</article>
<article>
<a href="/blogs/325">三言两语聊Kernel：从Linux到FreeBSD</a>
</article>
<article>
<a href="/blogs/316">what is the ABI(程序二进制接口)?</a>
</article>
<article>
<a href="/blogs/299">三言两语聊Kernel：Busy Waiting or Sleeping？</a>
</article>
<article>
<a href="/blogs/289">三言两语聊Kernel：do{…}while(0)</a>
</article>
<article>
<a href="/blogs/269">三言两语聊kernel：调度入门</a>
</article>
<article>
<a href="/blogs/266">三言两语聊kernel：内存管理入门</a>
</article>
<article>
<a href="/blogs/250">三言两语聊kernel：线程栈</a>
</article>
<article>
<a href="/blogs/215">三言两语聊Kernel： Undefined Instruction</a>
</article>
<section class="archives">
<h1 class="year">2012</h1>
<article>
<a href="/blogs/197">三言两语聊Kernel：flash驱动及文件系统</a>
</article>
<article>
<a href="/blogs/180">《捉虫日记》书评</a>
</article>
<article>
<a href="/blogs/119">iPhoneOS浅浅浅浅析(4):不做学术派</a>
</article>
<article>
<a href="/blogs/112">iPhoneOS浅浅浅浅析（3）</a>
</article>
<article>
<a href="/blogs/91">iPhoneOS浅浅浅浅析（2）</a>
</article>
<article>
<a href="/blogs/79">iPhoneOS浅浅浅浅析</a>
</article>
<article>
<a href="/blogs/3">hello world!</a>
</article>
</section>
</div>
<footer id="footer" class="inner">Copyright © 2017
Yafang Shao
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