Merging upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 155 insertions, 0 deletions

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+<!--startmeta
+custom_edit_url: "https://github.com/netdata/netdata/edit/master/src/collectors/freebsd.plugin/integrations/devstat.md"
+meta_yaml: "https://github.com/netdata/netdata/edit/master/src/collectors/freebsd.plugin/metadata.yaml"
+sidebar_label: "devstat"
+learn_status: "Published"
+learn_rel_path: "Collecting Metrics/FreeBSD"
+most_popular: False
+message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE"
+endmeta-->
+
+# devstat
+
+
+<img src="https://netdata.cloud/img/hard-drive.svg" width="150"/>
+
+
+Plugin: freebsd.plugin
+Module: devstat
+
+<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
+
+## Overview
+
+Collect information per hard disk available on host.
+
+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 devstat instance
+
+These metrics give a general vision about I/O events on disks.
+
+This scope has no labels.
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| system.io | io, out | KiB/s |
+
+### Per disk
+
+
+
+This scope has no labels.
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| disk.io | reads, writes, frees | KiB/s |
+| disk.ops | reads, writes, other, frees | operations/s |
+| disk.qops | operations | operations |
+| disk.util | utilization | % of time working |
+| disk.iotime | reads, writes, other, frees | milliseconds/s |
+| disk.await | reads, writes, other, frees | milliseconds/operation |
+| disk.avgsz | reads, writes, frees | KiB/operation |
+| disk.svctm | svctm | milliseconds/operation |
+
+
+
+## Alerts
+
+
+The following alerts are available:
+
+| Alert name  | On metric | Description |
+|:------------|:----------|:------------|
+| [ 10min_disk_utilization ](https://github.com/netdata/netdata/blob/master/src/health/health.d/disks.conf) | disk.util | average percentage of time ${label:device} disk was busy over the last 10 minutes |
+
+
+## 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:kern.devstat]` 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/netdata-agent/configuration.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 |
+|:----|:-----------|:-------|:--------:|
+| enable new disks detected at runtime | Enable or disable possibility to detect new disks. | auto | no |
+| performance metrics for pass devices | Enable or disable metrics for disks with type `PASS`. | auto | no |
+| total bandwidth for all disks | Enable or disable total bandwidth metric for all disks. | yes | no |
+| bandwidth for all disks | Enable or disable bandwidth for all disks metric. | auto | no |
+| operations for all disks | Enable or disable operations for all disks metric. | auto | no |
+| queued operations for all disks | Enable or disable queued operations for all disks  metric. | auto | no |
+| utilization percentage for all disks | Enable or disable utilization percentage for all disks metric. | auto | no |
+| i/o time for all disks | Enable or disable I/O time for all disks metric. | auto | no |
+| average completed i/o time for all disks | Enable or disable average completed I/O time for all disks metric. | auto | no |
+| average completed i/o bandwidth for all disks | Enable or disable average completed I/O bandwidth for all disks metric. | auto | no |
+| average service time for all disks | Enable or disable average service time for all disks metric. | auto | no |
+| disable by default disks matching | Do not create charts for disks listed. |  | no |
+
+</details>
+
+#### Examples
+There are no configuration examples.
+
+