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. Start the terminal40. Enter the pathwatermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvaxrjyxn0y3bw/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southeast "/>41. Compile and run42. Write a C + + code 1,CC43. Print statements, C + +44. Print out the results45. Drive HelloWorld#include #include Module_license ("Dual BSD/GPL");//Follow the Linux protocolstatic int hello_init (void){PRINTK (Kern_alert "Hello, world\n");//Print driver info
Linux Shell script series tutorial (7): script debugging
This article mainly introduces the Linux Shell script series (7): script debugging. This article describes the Bash built-in debugging and custom
Summary of common commands based on Linux debugging tool strace and gdb. Strace and gdb are two common debugging tools in Linux. here is a summary of the common parameters of these two tools during use, which will be used for future reference. Strace debugging tools strace a
Linux driver development kernel module compilation-Makefile getting started tutorial, driver development makefile
I. Module Compilation
In the previous kernel compilation, we mentioned that driver compilation is dividedStatic CompilationAndDynamic CompilationStatic compilation is to directly compile the driver into th
Strace and GDB are two common debugging tools in the Linux environment, and this is a summary of the parameters commonly used by individuals in the process of using them for later viewing.
strace Debugging ToolsThe Strace tool is used to track system calls and received signals when a process executes, including parameters, return values, and execution time. In
with the new kernel and can be restarted and viewed with the Uname-r command.The new kernel feeling is cool ah, if not automatically with the new kernel, in the Grub boot interface Select Advanced, choose 4.2.2 Kernel boot on the line, modify the default kernel of the metho
This article mainly introduced the Linux Shell Script Series tutorial (Seven): script debugging, this article explained the bash built-in debugging function and the custom debugging function and so on content, needs the friend may refer to under
First, debug scripts
.img 4.0.5-300.fc22.x86_64Mkdir/boot/grubGrub2-mkconfig-o/boot/grub/grub.cfgClick the Linode Background panel dashboard, click the Edit button:In the Kernel drop-down menu, select Grub 2 Startup:After restarting the VPS, enter uname-a again to display the kernel version number.Example: Linux li63-119.members.linode.com 3.10.0-229.4.2.el7.x86_64At this point, you
Linux Kernel compilation tutorial
Compile Linux-kernel 4.14.14 and use Ubuntu 16.04 64-bit system.
The kernel-4.14.14 kernel File is about 96 MB. After decompression, the
The main line of Linux Kernel 3.12.7 has been released, and this short tutorial will show you how to upgrade in Ubuntu. If you are running Ubuntu 13.10 or a later version, it also happens that your system is not installed with the latest kernel. Read it.
Linux
Linux-4.14 make mrproper do clean # Both of these are used to clear the. Ko and. config make oldconfig that were generated before compilation #使用当前的内核配置make #编译, more than half an hour is normal make Modules_install #把编译出的内核模块复制到/lib/modules/${kernel_version}make Install Make Oldconfig line represents the same configuration as the current kernel, the bad n
Linux kernel from principle to code explanationLink: http://pan.baidu.com/s/1sj0Szj3 Password: ywyvPlease add qq:3113533060 if the net disk is invalid.First, the course content:First week1. Initial knowledge of the Linux kernel1.1 Understanding the operating system1.2 Open source Unix/linux operating system1.3
fetch Origin Master #将远程版本库代码同步到本地git diff origin/master #查看远程版本库修改了哪些东西git merge origin/master #将修改合并At this point, we can happily join in our project!=================================================================================Also attached: Some simple git commands:Create your own code repository: git initAdd a single file : git add file.cAdd folders: git Add folderView branches: git branch-aCreate a branch : Git branch version1.0To view changes to a remote library: Git fetch Origin M
./vmlinuxTraceViewTraceView is an Android-powered tool that is used to analyze the Android side by calling Debug.startmethodtracing (XXXX); The generated file is named Xxxx.trace. This method requires the code of debug.startmethodtracing (XXXX) and debug.stopmethodtracing () to be added to the Android code. By adding these two functions at a reasonable location, the user can visually analyze how long the system is running in this intermediate process, how much time each process began to run, how
loongson2f user manual and use the box of Fu Yi 6003It is useless to look at it. It is better to read it against the kernel source code!3. Understand the rt_preempt-related section in the Linux kernel.Read Linux kernel-related books such as lkd and ldd3, and carefully read kernel
kernel vmlinux with the-G option at compile time, with debugging information.
If Vmcore is not specified, the memory of the real-time system is used to parse by default.
It is worth mentioning that crash can also be used to analyze real-time system memory, is a very powerful debugging tool.
Crash uses GDB as an internal engine, the syntax is similar to GDB, and
-S/usr/src/Linux-version/usr/src/Linux
Then restart and use uname-R to check the kernel version. Naturally, remember to reinstall the graphics card driver.Cleanup
If your kernel can work stably and properly after a period of testing, you can clean up and release disk space.Clear old files
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Linux backend diagnosis and debugging technology and linux backend debugging
This document is not a Linux Command usage tutorial, and does not explain its usage in all aspects. There are many Internet company projects, and the dep
KGDB source code-level kernel debugging-general Linux technology-Linux programming and kernel information. The following is a detailed description. Kgdb Linux kernel
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