本帖最后由 vpswz 于 2017-5-4 18:05 编辑
[root@VM_101_104_centos ~]# dd if=/dev/zero of=/tmp/test bs=64k count=512 oflag=dsync
512+0 records in
512+0 records out
33554432 bytes (34 MB) copied, 8.33661 s, 4.0 MB/s
[root@VM_101_104_centos ~]#
觉得用来做跳板,再也没有什么用了.
Benchmark Run: Thu May 04 2017 17:35:48 - 18:03:57
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 13842673.2 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2439.6 MWIPS (10.0 s, 7 samples)
Execl Throughput 5741.4 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 342658.8 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 90020.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1332357.0 KBps (30.0 s, 2 samples)
Pipe Throughput 482149.1 lps (10.0 s, 7 samples)
Pipe-based Context Switching 206543.4 lps (10.0 s, 7 samples)
Process Creation 11068.5 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 4552.2 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 647.8 lpm (60.1 s, 2 samples)
System Call Overhead 836764.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 13842673.2 1186.2
Double-Precision Whetstone 55.0 2439.6 443.6
Execl Throughput 43.0 5741.4 1335.2
File Copy 1024 bufsize 2000 maxblocks 3960.0 342658.8 865.3
File Copy 256 bufsize 500 maxblocks 1655.0 90020.4 543.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 1332357.0 2297.2
Pipe Throughput 12440.0 482149.1 387.6
Pipe-based Context Switching 4000.0 206543.4 516.4
Process Creation 126.0 11068.5 878.5
Shell Scripts (1 concurrent) 42.4 4552.2 1073.6
Shell Scripts (8 concurrent) 6.0 647.8 1079.7
System Call Overhead 15000.0 836764.7 557.8
========
System Benchmarks Index Score 815.4 |