（四）Locust no-web模式
熟悉 Apache ab 工具的同學都知道，它是沒有界面的，通過命令行執行。 Locust 同樣也提供的命令行運行，好處就是更節省客戶端資源。
命令行運行 Locust 測試
以上一節的 baidu 首頁測試（load_test.py）爲例 通過 no-web 模式運行測試。
> 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
啓動參數：
–no-web 表示不使用Web界面運行測試。
-c 設置虛擬用戶數。
-r 設置每秒啓動虛擬用戶數。
-t 設置設置運行時間。