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neo sh

R&D in 北京

 

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What's new with neo

2 days ago
neo added a blog entry PERL TESTING 3
"http://sh-neo.spaces.live.com/blog/cns!1E3CA285E5F9E122!765.entry   PERL TESTING 入门 http://sh-neo.spaces.live.com/blog/cns!1E3CA285E5F9E122!766.entry   PERL TES..."
3 days ago
neo added a blog entry PERL TESTING 2
"http://sh-neo.spaces.live.com/blog/cns!1E3CA285E5F9E122!765.entry   PERL TESTING 入门 http://sh-neo.spaces.live.com/blog/cns!1E3CA285E5F9E122!764.entry  PERL TEST..."
3 days ago
neo added a blog entry PERL TESTING 1
"use Test::More tests=>n        测试 计划   use Test::Simple       ok(xxx() eq "xxx",'information');    use Test::More      use_ok('module xx', qw(function1 functio..."
3 days ago
neo added a blog entry 利用perl做c的单元测试
"Xs方式   1)mkdir Mytest /mylib;                  mylib中放着 xx.c xx.h  C代码 2)在mylib中vi Makefile.PL     AR将mylib目录下的test1.o test2.o 编译为静态库libmylib.a ,通过RANLIB更新静态..."
Oct. 21
neo added a blog entry perl 要点 粗略
"1.标量' '     除了\\ \' 可转义外,其他全屏蔽掉 如$x被屏蔽.." "  字符串连接操作符 .       "a". "b\n"  ---ab ....        复制...                  "abc" x 2  --abcabc 字符串与数字之间自动转换  以连接符为依据转 如..."
Oct. 21
neo added a blog entry shell 要点 粗略
"#! bin/bash指定解释器 shell的绝对路径   (1)-普通文件 d目录 l符号链接 b块设备c字符设备 rwxrwxrwx 421,421,421   百,十,个 chmod -R 664/temp/*   -R 连同子目录下的文件一起设置 目录的权限与文件不同  r-在目录中可列出文件, w-在目录..."
Sept. 2
neo joined 英语角 english corner's network | Add 英语角 english corner to your network
Aug. 20
neo added a blog entry 对于性能测试分析的一些看法
"   性能测试好比是部侦探小说,拿到一些暗示或信息去不断挖掘找出真相的过程, 或更似做实验的过程,不停的去try do,try do…直到记录的数据足够去证明这个实验的好坏.我个人认为性能测试可分为如下几种; 一种是基线测试,又可分为横向测试及纵向测试两种,所谓横向测试是指自己的技术方案与同行其他技术做性能对比,通常这..."
Aug. 6
neo added a blog entry 关于虚拟化项目中 播放音乐卡 (vt 架构性能 ),101 蓝屏 (smp 多核时钟同步 ) 及时钟变慢 ( 中断丢失 ) 的产生原因分析
"  ------------- 播放音乐卡 我们先来看看guest访问真实硬件的几种方式          Guest之所以能在虚拟机之上运行，是因为虚拟机为其提供了看起来和真实硬件无异的模拟硬件环境。这些硬件环境包含有CPU，总线，时钟，以及各种可能的外设，如显卡，硬盘，光驱，网卡等等         分为以下几..."
Aug. 3
neo added a blog entry 性能分析--netperf网络性能 测试手册
"http://www.netperf.org/netperf/ 常用于网络性能基线测试   tcp网络性能(提供端到端可靠性传输,但牺牲了性能)   单个tcp连接,批量传输大量数据（模拟ftp）     netperf -H x.x.x.x -l （指定时间）60  (测试中发送的分组..."
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