1.安装ctags+cscope
2.下载vim插件 Source Explorer/NERD Tree/Tag List
网址：www.vim.org Scrips-->Bowse all -->在keyword中搜索上述三个插件并下载解压到~/.vim文件夹下
3.vim 配置
打开vim配置文件，（ubuntu是在/etc/vim/vimrc中），在最后添加如下内容：
"------------------------------------------"
"vim env setting"
"------------------------------------------"
set nu "display line number"
set ai "auto indent"
set ts=4"tab size"
set bg=dark "blackground color"
filetype plugin on
"------------------------------------------"
"ctags database setting"
"------------------------------------------"
set tags=/home/software/linux-3.8.3/tags "ctags DB position 根据自己的文件路劲进行修改"
"------------------------------------------"
"ctags database setting"
"------------------------------------------"
set csprg=/usr/bin/cscope"cscope install position"
set csto=0 "cscope DB search first"
set cst "cscope DB tag DB search"
set nocsverb "verbose off"
cs add /home/software/linux-3.8.3/cscope.out /home/software/linux-3.8.3 "根据自己的文件路径进行修改"
set csverb
"------------------------------------------"
"Tap List env setting"
"------------------------------------------"
filetype on
nmap <F7> :TlistToggle<CR>
let Tlist_Ctags_Cmd = "/usr/bin/ctags"
let Tlist_Inc_Winwidth = 0
let Tlist_Exit_OnlyWindow = 0
let Tlist_Auto_Open = 0
let Tlist_Use_Right_Window = 1
"------------------------------------------"
"Source explorer env setting"
"------------------------------------------"
nmap <F8> :SrcExplToggle<CR>
nmap <C-H> <C-W>h
nmap <C-J> <C-W>j
nmap <C-K> <C-W>k
nmap <C-L> <C-W>l
let g:SrcExpl_WinHeight = 8
let g:SrcExpl_refreshTime = 100
let g:SrcExpl_jumpkey = "<ENTER>"
let g:SrcExpl_gobackKey = "<SPACE>"
let g:SrcExpl_isUpdateTags = 0
"------------------------------------------"
"NERD Tree env setting"
"------------------------------------------"
let NERDTreeWinPos = "left"
nmap <F9> :NERDTreeToggle<CR>
" Open and close all the three plugins on the same time
"nmap <F8> :TrinityToggleAll<CR>
" Open and close the srcexpl.vim separately
"nmap <F9> :TrinityToggleSourceExplorer<CR>
" Open and close the taglist.vim separately
"nmap <F10> :TrinityToggleTagList<CR>
" Open and close the NERD_tree.vim separately
"nmap <F11> :TrinityToggleNERDTree<CR>
" ---------------------------------------------------
" < 编写文件时的配置 >
" ---------------------------------------------------
filetype on "启用文件类型侦测
filetype plugin on"针对不同的文件类型加载对应的插件
filetype plugin indent on "启用缩进
set smartindent "启用智能对齐方式
set expandtab "将Tab键转换为空格
set tabstop=4 "设置Tab键的宽度，可以更改，如：宽度为2
set shiftwidth=4 "换行时自动缩进宽度，可更改（宽度同tabstop）
set smarttab "指定按一次backspace就删除shiftwidth宽度
set foldenable"启用折叠
"set foldmethod=indent "indent 折叠方式
" 常规模式下用空格键来开关光标行所在折叠（注：zR 展开所有折叠，zM 关闭所有折叠）
nnoremap <space> @=((foldclosed(line('.')) < 0) ? 'zc' : 'zo')<CR>
" 当文件在外部被修改，自动更新该文件
set autoread
" 语法高亮
set syntax=on
4.进入linux 内核顶层目录
make tags ARCH=arm
make cscope ARCH=arm
5.使用方法
在终端输入vim
依次输入F7/F8/F9
Linux kernel 3.0内核文件系统EXT4与Btrfs测试比较：http://www.linuxdiyf.com/linux/6686.html
几个重要的Linux内核文件介绍：http://www.linuxdiyf.com/linux/106.html