Locust-命令行参数详解

前言

当我们在linux上使用locust工具压测的时候，会使用no-web模式，然后需要收集运行的日志，方便查找问题。

命令行参数

输入locust --help 查看所有的命令行参数

> locust --help
Usage: locust [options] [LocustClass [LocustClass2 ... ]]

Options:
  -h, --help            show this help message and exit
  -H HOST, --host=HOST  Host to load test in the following format:
                        http://10.21.32.33
  --web-host=WEB_HOST   Host to bind the web interface to. Defaults to '' (all
                        interfaces)
  -P PORT, --port=PORT, --web-port=PORT
                        Port on which to run web host
  -f LOCUSTFILE, --locustfile=LOCUSTFILE
                        Python module file to import, e.g. '../other.py'.
                        Default: locustfile
  --csv=CSVFILEBASE, --csv-base-name=CSVFILEBASE
                        Store current request stats to files in CSV format.
  --master              Set locust to run in distributed mode with this
                        process as master
  --slave               Set locust to run in distributed mode with this
                        process as slave
  --master-host=MASTER_HOST
                        Host or IP address of locust master for distributed
                        load testing. Only used when running with --slave.
                        Defaults to 127.0.0.1.
  --master-port=MASTER_PORT
                        The port to connect to that is used by the locust
                        master for distributed load testing. Only used when
                        running with --slave. Defaults to 5557. Note that
                        slaves will also connect to the master node on this
                        port + 1.
  --master-bind-host=MASTER_BIND_HOST
                        Interfaces (hostname, ip) that locust master should
                        bind to. Only used when running with --master.
                        Defaults to * (all available interfaces).
  --master-bind-port=MASTER_BIND_PORT
                        Port that locust master should bind to. Only used when
                        running with --master. Defaults to 5557. Note that
                        Locust will also use this port + 1, so by default the
                        master node will bind to 5557 and 5558.
  --heartbeat-liveness=HEARTBEAT_LIVENESS
                        set number of seconds before failed heartbeat from
                        slave
  --heartbeat-interval=HEARTBEAT_INTERVAL
                        set number of seconds delay between slave heartbeats
                        to master
  --expect-slaves=EXPECT_SLAVES
                        How many slaves master should expect to connect before
                        starting the test (only when --no-web used).
  --no-web              Disable the web interface, and instead start running
                        the test immediately. Requires -c and -r to be
                        specified.
  -c NUM_CLIENTS, --clients=NUM_CLIENTS
                        Number of concurrent Locust users. Only used together
                        with --no-web
  -r HATCH_RATE, --hatch-rate=HATCH_RATE
                        The rate per second in which clients are spawned. Only
                        used together with --no-web
  -t RUN_TIME, --run-time=RUN_TIME
                        Stop after the specified amount of time, e.g. (300s,
                        20m, 3h, 1h30m, etc.). Only used together with --no-
                        web
  -L LOGLEVEL, --loglevel=LOGLEVEL
                        Choose between DEBUG/INFO/WARNING/ERROR/CRITICAL.
                        Default is INFO.
  --logfile=LOGFILE     Path to log file. If not set, log will go to
                        stdout/stderr
  --print-stats         Print stats in the console
  --only-summary        Only print the summary stats
  --no-reset-stats      [DEPRECATED] Do not reset statistics once hatching has
                        been completed. This is now the default behavior. See
                        --reset-stats to disable
  --reset-stats         Reset statistics once hatching has been completed.
                        Should be set on both master and slaves when running
                        in distributed mode
  -l, --list            Show list of possible locust classes and exit
  --show-task-ratio     print table of the locust classes' task execution
                        ratio
  --show-task-ratio-json
                        print json data of the locust classes' task execution
                        ratio
  -V, --version         show program's version number and exit

参数说明

参数名称	参数值	参数说明
-h, --help	不带参数	查看帮助信息
-H HOST, –host=HOST	HOST	指定被测试的主机，采用以格式：http://10.21.32.33
–web-host=WEB_HOST	WEB_HOST	指定运行 Locust Web 页面的主机，默认为空 “。
-P PORT, –port=PORT, –web-port=PORT	PORT	指定 –web-host 的端口，默认是8089
-f LOCUSTFILE, –locustfile=LOCUSTFILE	LOCUSTFILE	指定运行 Locust 性能测试文件，默认为: locustfile.py
–csv=CSVFILEBASE, –csv-base-name=CSVFILEBASE	CSVFILEBASE	以CSV格式存储当前请求测试数据。
–master	不带参数	Locust 分布式模式使用，当前节点为 master 节点。
–slave	不带参数	Locust 分布式模式使用，当前节点为 slave 节点。
–master-host=MASTER_HOST	MASTER_HOST	分布式模式运行，设置 master 节点的主机或 IP 地址，只在与 –slave 节点一起运行时使用，默认为：127.0.0.1.
–master-port=MASTER_PORT	MASTER_PORT	分布式模式运行，设置 master 节点的端口号，只在与 –slave 节点一起运行时使用，默认为：5557。注意，slave 节点也将连接到这个端口+1 上的 master 节点。
–master-bind-host=MASTER_BIND_HOST	MASTER_BIND_HOST	做分布式压测时，指定分机IP。只用于master。如果没有指定，默认是所有可用的IP(即所有标记主机IP的slave)
–master-bind-port=MASTER_BIND_PORT	MASTER_BIND_PORT	做分布式压测时，指定分机port。默认是5557与5558。
–no-web no-web	-c 和 -r 配合	模式运行测试，需要 -c 和 -r 配合使用.
-c NUM_CLIENTS, –clients=NUM_CLIENTS	NUM_CLIENTS	指定并发用户数，作用于 –no-web 模式。
-r HATCH_RATE, –hatch-rate=HATCH_RATE	HATCH_RATE	指定每秒启动的用户数，作用于 –no-web 模式。
-t RUN_TIME, –run-time=RUN_TIME	RUN_TIME	设置运行时间, 例如： (300s, 20m, 3h, 1h30m). 作用于 –no-web 模式。
-L LOGLEVEL, –loglevel=LOGLEVEL	LOGLEVEL	选择 log 级别（DEBUG/INFO/WARNING/ERROR/CRITICAL）. 默认是 INFO.
–logfile=LOGFILE	LOGFILE	日志文件路径。如果没有设置，日志将去 stdout/stderr
–print-stats	不带参数	在控制台中打印数据
–only-summary	不带参数	只打印摘要统计
–no-reset-stats	不带参数	Do not reset statistics once hatching has been completed。
-l, –list	不带参数	显示测试类, 配置 -f 参数使用
–show-task-ratio	不带参数	打印 locust 测试类的任务执行比例，配合 -f 参数使用.
–show-task-ratio-json	不带参数	以 json 格式打印 locust 测试类的任务执行比例，配合 -f 参数使用.
-V, –version	不带参数	查看当前 Locust 工具的版本.

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