Webbench是一个用于测试网络服务器性能的工具，它能够模拟多个客户端同时访问服务器，以测试服务器在高并发情况下的处理能力

编译安装

1.download
http://pan.baidu.com/s/1boVkWTx

2.编译

# 编译依赖
yum install -y gcc gcc-c++ ctags

# 编译
tar zxvf webbench-1.5.tar.gz
cd webbench-1.5
make  -s -j4

root@[mvpbang webbench-1.5]# cp webbench /usr/bin

webbench

[root@mvpbang webbench-1.5]# webbench
webbench [option]... URL
  -f|--force               Don't wait for reply from server.
  -r|--reload              Send reload request - Pragma: no-cache.
  -t|--time <sec>          Run benchmark for <sec> seconds. Default 30.
  -p|--proxy <server:port> Use proxy server for request.
  -c|--clients <n>         Run <n> HTTP clients at once. Default one.
  -9|--http09              Use HTTP/0.9 style requests.
  -1|--http10              Use HTTP/1.0 protocol.
  -2|--http11              Use HTTP/1.1 protocol.
  --get                    Use GET request method.
  --head                   Use HEAD request method.
  --options                Use OPTIONS request method.
  --trace                  Use TRACE request method.
  -?|-h|--help             This information.
  -V|--version             Display program version.

# 对本地nginx压测
    参数说明：-c表示并发数，-t表示时间(秒)

[root@mvpbang webbench-1.5]# webbench -c 200 -t 30  http://192.168.1.115/index.html
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.

Benchmarking: GET http://192.168.1.115/index.html
200 clients, running 30 sec.

Speed=492656 pages/min, 2003467 bytes/sec.
Requests: 246328 susceed, 0 failed.