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# vm.stats.sys.v_swtch


<img src="https://netdata.cloud/img/freebsd.svg" width="150"/>


Plugin: freebsd.plugin
Module: vm.stats.sys.v_swtch

<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />

## Overview

CPU context switch

The plugin calls `sysctl` function to collect necessary data.

This collector is supported on all platforms.

This collector supports collecting metrics from multiple instances of this integration, including remote instances.


### Default Behavior

#### Auto-Detection

This integration doesn't support auto-detection.

#### 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 vm.stats.sys.v_swtch instance

The metric count the number of context switches happening on host.

This scope has no labels.

Metrics:

| Metric | Dimensions | Unit |
|:------|:----------|:----|
| system.ctxt | switches | context switches/s |
| system.forks | started | processes/s |



## Alerts

There are no alerts configured by default for this integration.


## Setup

### Prerequisites

No action required.

### Configuration

#### File

The configuration file name for this integration is `netdata.conf`.
Configuration for this specific integration is located in the `[plugin:freebsd]` section within that file.

The file format is a modified INI syntax. The general structure is:

```ini
[section1]
    option1 = some value
    option2 = some other value

[section2]
    option3 = some third value
```
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 netdata.conf
```
#### Options



<details><summary>Config options</summary>

| Name | Description | Default | Required |
|:----|:-----------|:-------|:--------:|
| vm.stats.sys.v_swtch | Enable or disable CPU context switch metric. | yes | False |

</details>

#### Examples
There are no configuration examples.


