X:\xampp\apache\bin>ab -n 100 -c 1 http://localhost/drupal7/index.php
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient).....done


Server Software:        Apache/2.2.14
Server Hostname:        localhost
Server Port:            80

Document Path:          /drupal7/index.php
Document Length:        21620 bytes

Concurrency Level:      1
Time taken for tests:   40.828 seconds
Complete requests:      100
Failed requests:        0
Write errors:           0
Total transferred:      2206900 bytes
HTML transferred:       2162000 bytes
Requests per second:    2.45 [#/sec] (mean)
Time per request:       408.281 [ms] (mean)
Time per request:       408.281 [ms] (mean, across all concurrent requests)
Transfer rate:          52.79 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:   391  408  13.3    406     438
Waiting:      359  387  13.4    391     406
Total:        391  408  13.3    406     438

Percentage of the requests served within a certain time (ms)
  50%    406
  66%    422
  75%    422
  80%    422
  90%    422
  95%    422
  98%    438
  99%    438
 100%    438 (longest request)