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diff --git a/collectors/charts.d.plugin/sensors/integrations/linux_sensors_sysfs.md b/collectors/charts.d.plugin/sensors/integrations/linux_sensors_sysfs.md new file mode 100644 index 000000000..e0ce74d06 --- /dev/null +++ b/collectors/charts.d.plugin/sensors/integrations/linux_sensors_sysfs.md @@ -0,0 +1,200 @@ +<!--startmeta +custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/charts.d.plugin/sensors/README.md" +meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/charts.d.plugin/sensors/metadata.yaml" +sidebar_label: "Linux Sensors (sysfs)" +learn_status: "Published" +learn_rel_path: "Data Collection/Hardware Devices and Sensors" +message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE" +endmeta--> + +# Linux Sensors (sysfs) + + +<img src="https://netdata.cloud/img/microchip.svg" width="150"/> + + +Plugin: charts.d.plugin +Module: sensors + +<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" /> + +## Overview + +Use this collector when `lm-sensors` doesn't work on your device (e.g. for RPi temperatures). +For all other cases use the [Python collector](https://github.com/netdata/netdata/blob/master/collectors/python.d.plugin/sensors), which supports multiple jobs, is more efficient and performs calculations on top of the kernel provided values." + + +It will provide charts for all configured system sensors, by reading sensors directly from the kernel. +The values graphed are the raw hardware values of the sensors. + + +This collector is only supported on the following platforms: + +- Linux + +This collector supports collecting metrics from multiple instances of this integration, including remote instances. + + +### Default Behavior + +#### Auto-Detection + +By default, the collector will try to read entries under `/sys/devices` + +#### Limits + +The default configuration for this integration does not impose any limits on data collection. + +#### Performance Impact + +The default configuration for this integration is not expected to impose a significant performance impact on the system. + + +## Metrics + +Metrics grouped by *scope*. + +The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels. + + + +### Per sensor chip + +Metrics related to sensor chips. Each chip provides its own set of the following metrics. + +This scope has no labels. + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| sensors.temp | {filename} | Celsius | +| sensors.volt | {filename} | Volts | +| sensors.curr | {filename} | Ampere | +| sensors.power | {filename} | Watt | +| sensors.fans | {filename} | Rotations / Minute | +| sensors.energy | {filename} | Joule | +| sensors.humidity | {filename} | Percent | + + + +## Alerts + +There are no alerts configured by default for this integration. + + +## Setup + +### Prerequisites + +#### Install charts.d plugin + +If [using our official native DEB/RPM packages](https://github.com/netdata/netdata/blob/master/packaging/installer/UPDATE.md#determine-which-installation-method-you-used), make sure `netdata-plugin-chartsd` is installed. + + +#### Enable the sensors collector + +The `sensors` collector is disabled by default. To enable it, use `edit-config` from the Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `charts.d.conf` file. + +```bash +cd /etc/netdata # Replace this path with your Netdata config directory, if different +sudo ./edit-config charts.d.conf +``` + +Change the value of the `sensors` setting to `force` and uncomment the line. Save the file and restart the Netdata Agent with `sudo systemctl restart netdata`, or the [appropriate method](https://github.com/netdata/netdata/blob/master/docs/configure/start-stop-restart.md) for your system. + + + +### Configuration + +#### File + +The configuration file name for this integration is `charts.d/sensors.conf`. + + +You can edit the configuration file using the `edit-config` script from the +Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md#the-netdata-config-directory). + +```bash +cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata +sudo ./edit-config charts.d/sensors.conf +``` +#### Options + +The config file is sourced by the charts.d plugin. It's a standard bash file. + +The following collapsed table contains all the options that can be configured for the sensors collector. + + +<details><summary>Config options</summary> + +| Name | Description | Default | Required | +|:----|:-----------|:-------|:--------:| +| sensors_sys_dir | The directory the kernel exposes sensor data. | /sys/devices | False | +| sensors_sys_depth | How deep in the tree to check for sensor data. | 10 | False | +| sensors_source_update | If set to 1, the script will overwrite internal script functions with code generated ones. | 1 | False | +| sensors_update_every | The data collection frequency. If unset, will inherit the netdata update frequency. | 1 | False | +| sensors_priority | The charts priority on the dashboard. | 90000 | False | +| sensors_retries | The number of retries to do in case of failure before disabling the collector. | 10 | False | + +</details> + +#### Examples + +##### Set sensors path depth + +Set a different sensors path depth + +```yaml +# the directory the kernel keeps sensor data +#sensors_sys_dir="/sys/devices" + +# how deep in the tree to check for sensor data +sensors_sys_depth=5 + +# if set to 1, the script will overwrite internal +# script functions with code generated ones +# leave to 1, is faster +#sensors_source_update=1 + +# the data collection frequency +# if unset, will inherit the netdata update frequency +#sensors_update_every= + +# the charts priority on the dashboard +#sensors_priority=90000 + +# the number of retries to do in case of failure +# before disabling the module +#sensors_retries=10 + +``` + + +## Troubleshooting + +### Debug Mode + +To troubleshoot issues with the `sensors` collector, run the `charts.d.plugin` with the debug option enabled. The output +should give you clues as to why the collector isn't working. + +- Navigate to the `plugins.d` directory, usually at `/usr/libexec/netdata/plugins.d/`. If that's not the case on + your system, open `netdata.conf` and look for the `plugins` setting under `[directories]`. + + ```bash + cd /usr/libexec/netdata/plugins.d/ + ``` + +- Switch to the `netdata` user. + + ```bash + sudo -u netdata -s + ``` + +- Run the `charts.d.plugin` to debug the collector: + + ```bash + ./charts.d.plugin debug 1 sensors + ``` + + |