博韋,計算機科學專業博士,意大利羅馬大學Tor vergata分校全職教授。
切薩蒂 數學和計算機科學博士,羅馬大學Tor vergata分校工程學院計算機科學係助理研究員。
In order to thoroughly understand what makes Linux tick and why it works so well on a wide variety of systems, you need to delve deep into the heart of the kernel. The kernel handles all interactions between the CPU and the external world, and determines which programs will share processor time, in what order. It manages limited memory so well that hundreds of processes can share the system efficiently, and expertly organizes data transfers so that the CPU isn't kept waiting any longer than necessary for the relatively slow disks. The third edition of Understanding the Linux Kernel takes you on a guided tour of the most significant data structures, algorithms, and programming tricks used in the kernel. Probing beyond superficial features, the authors offer valuable insights to people who want to know how things really work inside their machine. Important Intel-specific features are discussed. Relevant segments of code are dissected line by line. But the book covers more than just the functioning of the code; it explains the theoretical underpinnings of why Linux does things the way it does. This edition of the book covers Version 2.6 , which has seen significant changes to nearly every kernel subsystem, particularly in the areas of memory management and block devices. The book focuses on the following topics: * Memory management, including file buffering, process swapping, and Direct memory Access (DMA) * The Virtual Filesystem layer and the Second and Third Extended Filesystems * Process creation and scheduling * Signals, interrupts, and the essential interfaces to device drivers * Timing * Synchronization within the kernel * Interprocess Communication (IPC) * Program execution Understanding the Linux Kernel will acquaint you with all the inner workings of Linux, but it's more than just an academic exercise. You'll learn what conditions bring out Linux's best performance, and you'll see how it meets the challenge of providing good system response during process scheduling, file access, and memory management in a wide variety of environments. This book will help you make the most of your Linux system.
如果你是一个 C 程序员,你想过这些问题吗:空指针到底是什么?你调用 malloc 时,系统做了什么?fork 是怎么实现的?如果你很好奇,如果你是一位有志青年,你可以看看这本书。 操作系统是什么?操作系统其实是运行在硬件上的一个程序,这个程序的客户是应用软件,如:office...
評分 評分曾几何时,我们为调试成功第一段汇编小程序而欢欣鼓舞,为写完C语言小程序通宵达旦,为自己的数据结构解决了一个实际问题而踌躇满志。再后来我们学习了计算机组成原理或者高级点的计算机系统结构,学习过操作系统的实现和设计,看过算法导论...但好像一切又渐渐变得遥远了,...
評分这本书是好书,我就不重复那些赞美之词了。 但提醒一下,新买这本书的战友们要注意了,从2.6.23版本的内核开始,进程调度方式就不再是书中提到的O(1)调度方式,而是改成了完全公平调度(CFS),大家可以看看Robert Love的《Linux内核设计与实现》第三版。还可以参考下面地址...
評分如果你是一个 C 程序员,你想过这些问题吗:空指针到底是什么?你调用 malloc 时,系统做了什么?fork 是怎么实现的?如果你很好奇,如果你是一位有志青年,你可以看看这本书。 操作系统是什么?操作系统其实是运行在硬件上的一个程序,这个程序的客户是应用软件,如:office...
書沒什麼意思,太雜太散瞭。
评分書沒什麼意思,太雜太散瞭。
评分主要講的還是宏觀的結構,該書必須結閤源代碼一起看纔有足夠的收獲
评分11年的時候, 因為這本書內容太老, 就選擇看瞭德國人那本Professional Linux kernel architecture; 現在17年, 有機會讀這本書, 發現走錯路, 當年應該看這本.
评分有瞭linux0.11的基礎,終於可以來看看高版本的整體描述瞭。物理內存看的差不多瞭,僅僅因為高端內存,引入瞭這麼多東西,實在是難受
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