Command Line Options
The most straight forward way to Configure how Locust is run is through command line arguments.
配置 Locust 运行方式的最直接方法是通过命令行参数：
$ locust --help
Usage: locust [OPTIONS] [UserClass ...]
Common options:
-h, --help show this help message and exit 查看帮助信息并退出
-f LOCUSTFILE, --locustfile LOCUSTFILE
Python module file to import, e.g. '../other.py'. 指定 locust 文件
Default: locustfile
--config CONFIG Config file path 指定配置文件
-H HOST, --host HOST Host to load test in the following format: 指定测试系统的 host
http://10.21.32.33
-u NUM_USERS, --users NUM_USERS 测试的虚拟用户数，仅与 `--headless` 参数一起使用
Number of concurrent Locust users. Only used together
with --headless
-r HATCH_RATE, --hatch-rate HATCH_RATE 每秒产生用户的速率，仅与 `--headless` 参数一起使用
The rate per second in which users are spawned. Only
used together with --headless
-t RUN_TIME, --run-time RUN_TIME 在指定时间后停止测试，例如 (300s,
20m, 3h, 1h30m, etc.)，仅与 `--headless` 参数一起使用
Stop after the specified amount of time, e.g. (300s,
20m, 3h, 1h30m, etc.). Only used together with
--headless
-l, --list Show list of possible User classes and exit 显示可能的 User 类别列表并退出
Web UI options:
--web-host WEB_HOST Host to bind the web interface to. Defaults to '*'
(all interfaces) 绑定 web 界面到 host，默认使用 `*`（所有界面）
--web-port WEB_PORT, -P WEB_PORT Web 界面的运行端口
Port on which to run web host
--headless Disable the web interface, and instead start the load
test immediately. Requires -u and -t to be specified.
禁用 Web 界面，然后立即开始负载测试。需要指定 -u 和 -t。
--web-auth WEB_AUTH Turn on Basic Auth for the web interface. Should be
supplied in the following format: username:password
给 Web 界面设置 Basic Auth。必须提供：username：password。
设置后，打开 Locust 的 web 界面必须要输入账号密码
--tls-cert TLS_CERT Optional path to TLS certificate to use to serve over
HTTPS
对于使用 HTTPS 的服务，提供服务的 TLS 证书的路径
--tls-key TLS_KEY Optional path to TLS private key to use to serve over
HTTPS
对于使用 HTTPS 的服务，提供服务的 TLS 私钥的路径
Master options:
Options for running a Locust Master node when running Locust distributed. A Master node need Worker nodes that connect to it before it can run load tests.
运行 Locust 分布式时运行 Locust Master节点的选项。主节点需要连接到它的辅助节点，然后它才能运行负载测试。
--master Set locust to run in distributed mode with this
process as master
设置 Locust 运行时的主节点
--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).
Locust 主节点的接口（host，IP）。仅在与 --master 一起运行时使用。
默认为 *。
--master-bind-port MASTER_BIND_PORT
Port that locust master should bind to. Only used when
running with --master. Defaults to 5557.
Locust 主节点的端口，默认使用 5557，仅在与 --master 一起运行时使用
--expect-workers EXPECT_WORKERS
How many workers master should expect to connect
before starting the test (only when --headless used).
在测试之前指定拥有多少个工作节点。（仅在与 --master 一起运行时使用）
Worker options:
Options for running a Locust Worker node when running Locust distributed.
Only the LOCUSTFILE (-f option) need to be specified when starting a Worker, since other options such as -u, -r, -t are specified on the Master node.
运行 Locust 分布式运行的工作节点选项。
启动工作节点时，仅需要指定 locustfile（-f 选项），因为在其他选项（例如-u，-r，-t）是通过主节点指定。
--worker Set locust to run in distributed mode with this
process as worker
在 Locust 分布式运行时，使用此参数指定当前 PC 为工作节点
--master-host MASTER_HOST
Host or IP address of locust master for distributed
load testing. Only used when running with --worker.
Defaults to 127.0.0.1.
指定 Locust 分布式执行的主节点地址。仅当与 --worker 参数同时运行时有效。
默认为 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 --worker. Defaults to 5557.
Locust 分布式运行时的主节点端口，仅在与 --worker 同时运行时有效。
默认为5557
Tag options:
Locust tasks can be tagged using the @tag decorator. These options let specify which tasks to include or exclude during a test.
可以使用 @tag 装饰器对 Locust 任务进行标记。这些选项使您可以指定在测试期间要包括或排除的任务。
-T [TAG [TAG ...]], --tags [TAG [TAG ...]]
List of tags to include in the test, so only tasks
with any matching tags will be executed
要包含在测试中的标签列表，只有被包含的标签标记的任务才会被执行
-E [TAG [TAG ...]], --exclude-tags [TAG [TAG ...]]
List of tags to exclude from the test, so only tasks
with no matching tags will be executed
要排除的标签列表，被指定的标签标记的任务在测试中不会被执行
Request statistics options:
请求统计信息选项：
--csv CSV_PREFIX Store current request stats to files in CSV format.
Setting this option will generate three files:
将当前统计信息存储在 CSV 文件中，使用此选项会生成以下三个文件：
[CSV_PREFIX]_stats.csv, [CSV_PREFIX]_stats_history.csv
and [CSV_PREFIX]_failures.csv
--csv-full-history Store each stats entry in CSV format to
_stats_history.csv file
将每个统计信息条目以 CSV 格式存储到 _stats_history.csv
--print-stats Print stats in the console 将统计信息打印到控制台
--only-summary Only print the summary stats 仅打印统计信息
--reset-stats Reset statistics once hatching has been completed.
Should be set on both master and workers when running
in distributed mode
测试完成后重置统计信息。在分布式模式下应同时设置主节点和工作节点
Logging options:
日志选项：
--skip-log-setup Disable Locust's logging setup. Instead, the
configuration is provided by the Locust test or Python
defaults.
禁用 Locust 日志。相反，配置由 Locust 测试或 Python 提供默认值。
--loglevel LOGLEVEL, -L LOGLEVEL
Choose between DEBUG/INFO/WARNING/ERROR/CRITICAL.
Default is INFO.
选择日志级别，默认为 INFO
--logfile LOGFILE Path to log file. If not set, log will go to
stdout/stderr
指定存放日志的文件路径。如果不设，日志仅显示在标准输出/标准错误
Step load options:
Step 加载选项：
--step-load Enable Step Load mode to monitor how performance
metrics varies when user load increases. Requires
--step-users and --step-time to be specified.
启用逐步加载模式以监视性能指标随着用户负载的增加而变化。
需要同时指定 --step-users 和 --step-time。
--step-users STEP_USERS
User count to increase by step in Step Load mode. Only
used together with --step-load
在逐步加载模式下，每步增加的用户数量。仅与 --step-load 一起使用
--step-time STEP_TIME
Step duration in Step Load mode, e.g. (300s, 20m, 3h,
1h30m, etc.). Only used together with --step-load
逐步加载模式下，每步持续时间，例如（300s，20m，3h，1h30m等）。
仅与--step-load一起使用
Other options:
其他选项：
--show-task-ratio Print table of the User classes' task execution ratio. 打印 User 类的任务执行率
--show-task-ratio-json
Print json data of the User classes' task execution
ratio
打印 User 类的任务执行率的 json 数据
--version, -V Show program's version number and exit 显示 Locust 版本并退出
--exit-code-on-error EXIT_CODE_ON_ERROR
Sets the process exit code to use when a test result
contain any failure or error
当测试结果包含失败或错误时，设置程序的退出码
-s STOP_TIMEOUT, --stop-timeout STOP_TIMEOUT
Number of seconds to wait for a simulated user to
complete any executing task before exiting. Default is
to terminate immediately. This parameter only needs to
be specified for the master process when running
Locust distributed.
虚拟用户在执行完成后退出等待的时间。默认为立即停止。
分布式执行时，只需要在主进程中指定即可。
User classes:
UserClass Optionally specify which User classes that should be
used (available User classes can be listed with -l or
--list)
（可选）指定哪些 User 类可使用（可用的 User 类可以用 -l 或 --list）
环境变量
Most of the options that can be set through command line arguments can also be set through environment variables. Example:
可以通过命令行参数设置的大多数选项也可以通过环境变量设置。例如：
配置文件
Any of the options that can be set through command line arguments can also be set by a configuration file in the config file format.
可以通过命令行配置各项参数，也可以使用配置文件 config file 进行配置。
Locust will look for ~/.locust.conf and ./locust.conf by default, and you can specify an additional file using the --config flag.
Locust 默认会查找 ~/.locust.conf 和 ./locust.conf 作为配置文件，也可以使用 --config 参数指定文件。
Example:
$ locust --config=master.conf
Note
Configuration values are read (overridden) in the following order:
注意：配置值会按如下顺序读取
所有有效的配置项
Here’s a table of all the available configuration options, and their corresponding Environment and config file keys:
下表列出了所有可用的配置选项及其对应的环境和配置文件键值：
| Command line | Environment | Config file | Description |
|---|---|---|---|
-f, --locustfile
|
LOCUST_LOCUSTFILE |
locustfile |
Python module file to import, e.g. ‘../other.py’. Default: locustfile |
-H, --host
|
LOCUST_HOST |
host |
Host to load test in the following format: http://10.21.32.33 |
-u, --users
|
LOCUST_USERS |
users |
Number of concurrent Locust users. Only used together with –headless |
-r, --hatch-rate
|
LOCUST_HATCH_RATE |
hatch-rate |
The rate per second in which users are spawned. Only used together with –headless |
-t, --run-time
|
LOCUST_RUN_TIME |
run-time |
Stop after the specified amount of time, e.g. (300s, 20m, 3h, 1h30m, etc.). Only used together with –headless |
--web-host |
LOCUST_WEB_HOST |
web-host |
Host to bind the web interface to. Defaults to ‘*’ (all interfaces) |
--web-port, -P
|
LOCUST_WEB_PORT |
web-port |
Port on which to run web host |
--headless |
LOCUST_HEADLESS |
headless |
Disable the web interface, and instead start the load test immediately. Requires -u and -t to be specified. |
--web-auth |
LOCUST_WEB_AUTH |
web-auth |
Turn on Basic Auth for the web interface. Should be supplied in the following format: username:password |
--tls-cert |
LOCUST_TLS_CERT |
tls-cert |
Optional path to TLS certificate to use to serve over HTTPS |
--tls-key |
LOCUST_TLS_KEY |
tls-key |
Optional path to TLS private key to use to serve over HTTPS |
--master |
LOCUST_MODE_MASTER |
master |
Set locust to run in distributed mode with this process as master |
--master-bind-host |
LOCUST_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 |
LOCUST_MASTER_BIND_PORT |
master-bind-port |
Port that locust master should bind to. Only used when running with –master. Defaults to 5557. |
--expect-workers |
LOCUST_EXPECT_WORKERS |
expect-workers |
How many workers master should expect to connect before starting the test (only when –headless used). |
--worker |
LOCUST_MODE_WORKER |
worker |
Set locust to run in distributed mode with this process as worker |
--master-host |
LOCUST_MASTER_NODE_HOST |
master-host |
Host or IP address of locust master for distributed load testing. Only used when running with –worker. Defaults to 127.0.0.1. |
--master-port |
LOCUST_MASTER_NODE_PORT |
master-port |
The port to connect to that is used by the locust master for distributed load testing. Only used when running with –worker. Defaults to 5557. |
-T, --tags
|
LOCUST_TAGS |
tags |
List of tags to include in the test, so only tasks with any matching tags will be executed |
-E, --exclude-tags
|
LOCUST_EXCLUDE_TAGS |
exclude-tags |
List of tags to exclude from the test, so only tasks with no matching tags will be executed |
--csv |
LOCUST_CSV |
csv |
Store current request stats to files in CSV format. Setting this option will generate three files: [CSV_PREFIX]_stats.csv, [CSV_PREFIX]_stats_history.csv and [CSV_PREFIX]_failures.csv |
--csv-full-history |
LOCUST_CSV_FULL_HISTORY |
csv-full-history |
Store each stats entry in CSV format to _stats_history.csv file |
--print-stats |
LOCUST_PRINT_STATS |
print-stats |
Print stats in the console |
--only-summary |
LOCUST_ONLY_SUMMARY |
only-summary |
Only print the summary stats |
--reset-stats |
LOCUST_RESET_STATS |
reset-stats |
Reset statistics once hatching has been completed. Should be set on both master and workers when running in distributed mode |
--skip-log-setup |
LOCUST_SKIP_LOG_SETUP |
skip-log-setup |
Disable Locust’s logging setup. Instead, the configuration is provided by the Locust test or Python defaults. |
--loglevel, -L
|
LOCUST_LOGLEVEL |
loglevel |
Choose between DEBUG/INFO/WARNING/ERROR/CRITICAL. Default is INFO. |
--logfile |
LOCUST_LOGFILE |
logfile |
Path to log file. If not set, log will go to stdout/stderr |
--step-load |
LOCUST_STEP_LOAD |
step-load |
Enable Step Load mode to monitor how performance metrics varies when user load increases. Requires –step-users and –step-time to be specified. |
--step-users |
LOCUST_STEP_USERS |
step-users |
User count to increase by step in Step Load mode. Only used together with –step-load |
--step-time |
LOCUST_STEP_TIME |
step-time |
Step duration in Step Load mode, e.g. (300s, 20m, 3h, 1h30m, etc.). Only used together with –step-load |
--exit-code-on-error |
LOCUST_EXIT_CODE_ON_ERROR |
exit-code-on-error |
Sets the process exit code to use when a test result contain any failure or error |
-s, --stop-timeout
|
LOCUST_STOP_TIMEOUT |
stop-timeout |
Number of seconds to wait for a simulated user to complete any executing task before exiting. Default is to terminate immediately. This parameter only needs to be specified for the master process when running Locust distributed. |
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