转：
http://www.testclass.net/locust/no-web-run/
熟悉 Apache ab 工具的同学都知道，它是没有界面的，通过命令行执行。 Locust 同样也提供的命令行运行，好处就是更节省客户端资源。
命令行运行 Locust 测试
以上一节的 baidu 首页测试（load_test.py）为例 通过 no-web 模式运行测试。
> locust -f load_test.py --host=https://www.baidu.com --no-web -c 10 -r 2 -t 1m
[2017-10-30 22:17:30,292] DESKTOP-SMGQBBM/INFO/locust.main: Run time limit set to 60 seconds
[2017-10-30 22:17:30,302] DESKTOP-SMGQBBM/INFO/locust.main: Starting Locust 0.8
[2017-10-30 22:17:30,302] DESKTOP-SMGQBBM/INFO/locust.runners: Hatching and swarming 10 clients at the rate 2 clients/s...
Name # reqs # fails Avg Min Max | Median req/s
....
[2017-10-30 22:18:30,301] DESKTOP-SMGQBBM/INFO/locust.main: Time limit reached. Stopping Locust.
[2017-10-30 22:18:30,302] DESKTOP-SMGQBBM/INFO/locust.main: Shutting down (exit code 0), bye.
Name # reqs # fails Avg Min Max | Median req/s
--------------------------------------------------------------------------------------------------------------------------------------------
GET / 117 0(0.00%) 31 17 96 | 28 2.10
--------------------------------------------------------------------------------------------------------------------------------------------
Total 117 0(0.00%) 2.10
Percentage of the requests completed within given times
Name # reqs 50% 66% 75% 80% 90% 95% 98% 99% 100%
--------------------------------------------------------------------------------------------------------------------------------------------
GET / 117 28 30 36 37 49 62 69 72 96
--------------------------------------------------------------------------------------------------------------------------------------------
Total 117 28 30 36 37 49 62 69 72 96
启动参数：
–no-web 表示不使用Web界面运行测试。
-c 设置虚拟用户数。
-r 设置每秒启动虚拟用户数。
-t 设置设置运行时间。