测测你的vps的性能
Unix Bench可以对你的vps进行性能测试。具体步骤如下：
1，下载Unix Bench5.1.3安装包
wget http://byte-unixbench.googlecode.com/files/UnixBench5.1.3.tgz
2，解压缩
tar zxvf UnixBench5.1.3.tgz
3. 安装必要环境
sudo yum install gcc make
sudo yum -y install perl perl-devel perl-CPAN perl-Time-HiRes
如果出现下面的错误一般是你没有安装perl-Time-HiRes导致的：
Can't locate Time/HiRes.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at ./Run line 6.
4. 编译
cd UnixBench5.1.3
make
5. 运行
./Run
界面如下：
需要跑十多分钟到一个小时，根据你机器的配置不同而不同，跑完后产生下面的结果：
Dhrystone 2 using register variables 28751754.1 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3118.1 MWIPS (10.0 s, 7 samples)
Execl Throughput 4629.2 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1018624.9 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 280966.1 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1927091.2 KBps (30.0 s, 2 samples)
Pipe Throughput 2036376.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 339287.3 lps (10.0 s, 7 samples)
Process Creation 13303.0 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5184.1 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 689.4 lpm (60.0 s, 2 samples)
System Call Overhead 3911308.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 28751754.1 2463.7
Double-Precision Whetstone 55.0 3118.1 566.9
Execl Throughput 43.0 4629.2 1076.6
File Copy 1024 bufsize 2000 maxblocks 3960.0 1018624.9 2572.3
File Copy 256 bufsize 500 maxblocks 1655.0 280966.1 1697.7
File Copy 4096 bufsize 8000 maxblocks 5800.0 1927091.2 3322.6
Pipe Throughput 12440.0 2036376.7 1637.0
Pipe-based Context Switching 4000.0 339287.3 848.2
Process Creation 126.0 13303.0 1055.8
Shell Scripts (1 concurrent) 42.4 5184.1 1222.7
Shell Scripts (8 concurrent) 6.0 689.4 1149.1
System Call Overhead 15000.0 3911308.3 2607.5
========
System Benchmarks Index Score 1487.3
会有一个总得分，我让上面跑的结果就是 1487
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