UnixBench是一款不错的Linux下的VPS性能测试工具，现在说一下具体用法。
ssh登录您的linux vps控制台，运行下面的1行命令即可：
wget http://www.654z.com/linux-vps-pack/unixbench.sh;sh ./unixbench.sh;
此脚本会自动下载unixbench测试工具，并自动运行它。 根据您的机器性能，测试执行完大约需要5-10分钟，
Linux VPS性能测试的结果类似如下：
BYTE UNIX Benchmarks (Version 4.1-wht.2)
System -- Linux vps59.654z.com 2.6.18-164.2.1.el5.028stab066.10 #1 SMP Sat Dec 12 18:52:53 MSK 2009 i686 i686 i386 GNU/Linux
/dev/simfs 157286400 1112188 156174212 1% /
Start Benchmark Run: Tue Dec 22 00:46:05 MSK 2009
00:46:05 up 5:51, 1 user, load average: 0.07, 0.03, 0.01
End Benchmark Run: Tue Dec 22 00:58:44 MSK 2009
00:58:44 up 6:04, 2 users, load average: 14.37, 6.12, 2.80
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 16303866.8 432.7
Double-Precision Whetstone 83.1 1299.8 156.4
Execl Throughput 188.3 7725.8 410.3
File Copy 1024 bufsize 2000 maxblocks 2672.0 165150.0 618.1
File Copy 256 bufsize 500 maxblocks 1077.0 55402.0 514.4
File Read 4096 bufsize 8000 maxblocks 15382.0 1577261.0 1025.4
Pipe-based Context Switching 15448.6 600615.4 388.8
Pipe Throughput 111814.6 2184246.1 195.3
Process Creation 569.3 22116.2 388.5
Shell Scripts (8 concurrent) 44.8 1213.8 270.9
System Call Overhead 114433.5 1758851.2 153.7
=========
FINAL SCORE 354.5
这就是我的VPS的总分数，2.5G内存，Q6600，跑了KLOXO面板，硬盘有raid
一般来说，对于VPS，测试分数在100分以上就算OK了，有一些低配置的P4独立服务器才30-80分。
VPS都是多个共用一个服务器资源，所以，不要盲目的追求高分，测试结果并不代表您可以使用到这么多资源。
提供一些测试结果以供参考对比：
TekTonic VPS, 1178 MB SLM Ram
BYTE UNIX Benchmarks (Version 4.1-wht.1)
System -- Linux www1 2.6.18-028stab053.17 #1 SMP Mon Jun 9 20:42: 43 MSD 2008 x86_64 x86_64 x86_64 GNU/Linux
/dev/vzfs 54525952 1002732 53523220 2% /
Start Benchmark Run: Sun Jul 20 07:22:37 EDT 2008
07:22:37 up 10 days, 15:20, 1 user, load average: 0.10, 0.03, 0.01
End Benchmark Run: Sun Jul 20 07:32:51 EDT 2008
07:32:51 up 10 days, 15:30, 1 user, load average: 12.54, 5.50, 2.42
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 39636370.0 1052.0
Double-Precision Whetstone 83.1 2777.2 334.2
Execl Throughput 188.3 1.0 0.1
File Copy 1024 bufsize 2000 maxblocks 2672.0 168410.0 630.3
File Copy 256 bufsize 500 maxblocks 1077.0 55239.0 512.9
File Read 4096 bufsize 8000 maxblocks 15382.0 1213185.0 788.7
Pipe-based Context Switching 15448.6 778065.9 503.6
Pipe Throughput 111814.6 2639096.8 236.0
Process Creation 569.3 15147.9 266.1
Shell Scripts (8 concurrent) 44.8 934.8 208.7
System Call Overhead 114433.5 2216242.0 193.7
=========
FINAL SCORE 179.1
Intel(R) Xeon(R) CPU X3220 @ 2.40GHz
BYTE UNIX Benchmarks (Version 4.1-wht.1)
System -- Linux xxx.x*********** 2.6.18-92.1.6.el5 #1 SMP Fri Jun 20 02:36:06 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux
/dev/sda5 15235040 842868 13605792 6% /
Start Benchmark Run: Sun Jul 20 14:29:30 CEST 2008
14:29:30 up 2 days, 14:21, 2 users, load average: 0.08, 0.02, 0.00
End Benchmark Run: Sun Jul 20 14:39:09 CEST 2008
14:39:09 up 2 days, 14:31, 2 users, load average: 17.45, 7.24, 3.03
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 52964762.4 1405.7
Double-Precision Whetstone 83.1 2646.5 318.5
Execl Throughput 188.3 1.0 0.1
File Copy 1024 bufsize 2000 maxblocks 2672.0 177760.0 665.3
File Copy 256 bufsize 500 maxblocks 1077.0 60598.0 562.7
File Read 4096 bufsize 8000 maxblocks 15382.0 1349778.0 877.5
Pipe-based Context Switching 15448.6 1082390.9 700.6
Pipe Throughput 111814.6 3437748.3 307.5
Process Creation 569.3 38647.5 678.9
Shell Scripts (8 concurrent) 44.8 2730.5 609.5
System Call Overhead 114433.5 2765994.1 241.7
=========
FINAL SCORE 242.2
Core Intel Core2Quad Q9300
RAM 8gb DDR2
Hard Drive 750gb SATA
Operating System CentOS 5.1 - 64 bit
==============================================================
BYTE UNIX Benchmarks (Version 4.1-wht.1)
System -- Linux hxxxxx.xxxxxxx.xxxx 2.6.25.11 #1 SMP Fri Jul 18 05:54:37 CDT 2008 x86_64 x86_64 x86_64 GNU/Linux
707556656 58223196 612811888 9% /
Start Benchmark Run: Sun Jul 27 09:44:54 GMT+7 2008
09:44:54 up 7 days, 3:07, 1 user, load average: 0.15, 0.19, 0.18
End Benchmark Run: Sun Jul 27 09:54:51 GMT+7 2008
09:54:51 up 7 days, 3:17, 1 user, load average: 14.32, 6.43, 2.95
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 53071766.3 1408.5
Double-Precision Whetstone 83.1 2861.6 344.4
Execl Throughput 188.3 1.0 0.1
File Copy 1024 bufsize 2000 maxblocks 2672.0 244096.0 913.5
File Copy 256 bufsize 500 maxblocks 1077.0 76926.0 714.3
File Read 4096 bufsize 8000 maxblocks 15382.0 1637081.0 1064.3
Pipe-based Context Switching 15448.6 1098145.9 710.8
Pipe Throughput 111814.6 3682570.6 329.3
Process Creation 569.3 37471.9 658.2
Shell Scripts (8 concurrent) 44.8 2216.0 494.6
System Call Overhead 114433.5 3057039.6 267.1
=========
FINAL SCORE 259.8
Intel(R) Xeon(R) CPU X3230 @ 2.66GHz
BYTE UNIX Benchmarks (Version 4.1-wht.2)System -- Linux ccitest 2.6.18-164.6.1.el5xen #1 SMP Tue Nov 3 16:48:13 EST 2009 x86_64 x86_64 x86_64 GNU/Linux/dev/xvda2 101471352 1570008 94663756 2% /Start Benchmark Run: Sun Dec 6 14:23:18 CST 2009 14:23:18 up 4 min, 1 user, load average: 0.81, 0.41, 0.17End Benchmark Run: Sun Dec 6 14:34:46 CST 2009 14:34:46 up 15 min, 1 user, load average: 15.65, 6.77, 3.15 INDEX VALUES TEST BASELINE RESULT INDEXDhrystone 2 using register variables 376783.7 5882030.5 156.1Double-Precision Whetstone 83.1 1817.5 218.7Execl Throughput 188.3 1857.2 98.6File Copy 1024 bufsize 2000 maxblocks 2672.0 65269.0 244.3File Copy 256 bufsize 500 maxblocks 1077.0 18173.0 168.7File Read 4096 bufsize 8000 maxblocks 15382.0 486529.0 316.3Pipe-based Context Switching 15448.6 109886.6 71.1Pipe Throughput 111814.6 381731.2 34.1Process Creation 569.3 3960.7 69.6Shell Scripts (8 concurrent) 44.8 465.8 104.0System Call Overhead 114433.5 280372.8 24.5 ========= FINAL SCORE 106.0i5 750 @ 2.67GHz / 8GB RAM / 2x1TB SATA software RAID-1
Start Benchmark Run: Mon Dec 7 17:06:20 EST 2009
17:06:20 up 5 days, 12:02, 1 user, load average: 0.00, 0.72, 1.22
End Benchmark Run: Mon Dec 7 17:16:55 EST 2009
17:16:55 up 5 days, 12:13, 1 user, load average: 25.08, 9.95, 4.80
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 22952878.3 609.2
Double-Precision Whetstone 83.1 1704.0 205.1
Execl Throughput 188.3 21480.3 1140.7
File Copy 1024 bufsize 2000 maxblocks 2672.0 571200.0 2137.7
File Copy 256 bufsize 500 maxblocks 1077.0 162227.0 1506.3
File Read 4096 bufsize 8000 maxblocks 15382.0 3540312.0 2301.6
Pipe-based Context Switching 15448.6 1536398.3 994.5
Pipe Throughput 111814.6 5856215.7 523.7
Process Creation 569.3 69004.5 1212.1
Shell Scripts (8 concurrent) 44.8 4626.7 1032.7
System Call Overhead 114433.5 7226715.6 631.5
=========
FINAL SCORE 927.1 （i系列的cpu就是性能不错，这个也是硬盘做了raid）
VPS - Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
Dhrystone 2 using register variables 376783.7 19026940.3 505.0Double-Precision Whetstone 83.1 1354.1 162.9Execl Throughput 188.3 15340.8 814.7File Copy 1024 bufsize 2000 maxblocks 2672.0 398171.0 1490.2File Copy 256 bufsize 500 maxblocks 1077.0 118935.0 1104.3File Read 4096 bufsize 8000 maxblocks 15382.0 2625333.0 1706.8Pipe-based Context Switching 15448.6 330750.1 214.1Pipe Throughput 111814.6 3511603.3 314.1Process Creation 569.3 41223.9 724.1Shell Scripts (8 concurrent) 44.8 4683.0 1045.3System Call Overhead 114433.5 3465020.7 302.8 ========= FINAL SCORE 587.9dedicated - Intel(R) Xeon(R) CPU X3230 @ 2.66GHz
Dhrystone 2 using register variables 376783.7 23765477.8 630.7Double-Precision Whetstone 83.1 1824.7 219.6Execl Throughput 188.3 13823.9 734.1File Copy 1024 bufsize 2000 maxblocks 2672.0 182964.0 684.7File Copy 256 bufsize 500 maxblocks 1077.0 60123.0 558.2File Read 4096 bufsize 8000 maxblocks 15382.0 1454686.0 945.7Pipe-based Context Switching 15448.6 1118260.2 723.9Pipe Throughput 111814.6 3788722.7 338.8Process Creation 569.3 40686.2 714.7Shell Scripts (8 concurrent) 44.8 2989.5 667.3System Call Overhead 114433.5 3079164.4 269.1 ========= FINAL SCORE 540.8