node.js - nodeload结果分析

Question

谁能解释一下下面的节点加载结果。

./nl.js -c 1 -n 10000 -i 1 "http://localhost:3000/

Server:                                 localhost:3000
HTTP Method:                            GET
Document Path:                          /
Concurrency Level:                      1
Number of requests:                     10000
Body bytes transferred:                 3516274
Elapsed time (s):                       1172.70
Requests per second:                    9.23
Mean time per request (ms):             107.95
Time per request standard deviation:    187.76

Percentages of requests served within a certain time (ms)
Min: 38
Avg: 107.9
50%: 84
95%: 141
99%: 1076
Max: 5820

请求的百分比是如何计算的？

谢谢