先clone回来
git clone https://github.com/httperf/httperf
准备环境，编译安装
yum install lib-tools
cd httperf
mkdir m4
autoreconf -i
autoconf configure.ac
./configure
make
测试一把，参数不是一般的多啊
./httperf --server 192.168.92.151 --ssl --server-name abc.xyz.com --rate 10 --num-conns=500