# System - [General System Attributes](#general-system-attributes) - [Filesystem Attributes](#filesystem-attributes) - [System Memory Attributes](#system-memory-attributes) - [System Paging Attributes](#system-paging-attributes) - [System Process Attributes](#system-process-attributes) - [Deprecated System Attributes](#deprecated-system-attributes) ## General System Attributes Describes System attributes | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `system.device` | string | The device identifier | `(identifier)` |  | ## Filesystem Attributes Describes Filesystem attributes | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `system.filesystem.mode` | string | The filesystem mode | `rw, ro` |  | | `system.filesystem.mountpoint` | string | The filesystem mount path | `/mnt/data` |  | | `system.filesystem.state` | string | The filesystem state | `used` |  | | `system.filesystem.type` | string | The filesystem type | `ext4` |  | --- `system.filesystem.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `free` | free |  | | `reserved` | reserved |  | | `used` | used |  | --- `system.filesystem.type` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `exfat` | exfat |  | | `ext4` | ext4 |  | | `fat32` | fat32 |  | | `hfsplus` | hfsplus |  | | `ntfs` | ntfs |  | | `refs` | refs |  | ## System Memory Attributes Describes System Memory attributes | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `system.memory.state` | string | The memory state | `free`; `cached` |  | --- `system.memory.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `buffers` | buffers |  | | `cached` | cached |  | | `free` | free |  | | `used` | used |  | ## System Paging Attributes Describes System Memory Paging attributes | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `system.paging.direction` | string | The paging access direction | `in` |  | | `system.paging.state` | string | The memory paging state | `free` |  | | `system.paging.type` | string | The memory paging type | `minor` |  | --- `system.paging.direction` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `in` | in |  | | `out` | out |  | --- `system.paging.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `free` | free |  | | `used` | used |  | --- `system.paging.type` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `major` | major |  | | `minor` | minor |  | ## System Process Attributes Describes System Process attributes | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `system.process.status` | string | The process state, e.g., [Linux Process State Codes](https://man7.org/linux/man-pages/man1/ps.1.html#PROCESS_STATE_CODES) | `running` |  | --- `system.process.status` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `defunct` | defunct |  | | `running` | running |  | | `sleeping` | sleeping |  | | `stopped` | stopped |  | ## Deprecated System Attributes Deprecated system attributes. | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `system.cpu.logical_number` | int | Deprecated, use `cpu.logical_number` instead. | `1` |  | | `system.cpu.state` | string | Deprecated, use `cpu.mode` instead. | `idle`; `interrupt` | 
Replaced by `cpu.mode`. | | `system.network.state` | string | Deprecated, use `network.connection.state` instead. | `close_wait` | 
Replaced by `network.connection.state`. | | `system.processes.status` | string | Deprecated, use `system.process.status` instead. | `running` | 
Replaced by `system.process.status`. | --- `system.cpu.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `idle` | idle |  | | `interrupt` | interrupt |  | | `iowait` | iowait |  | | `nice` | nice |  | | `steal` | steal |  | | `system` | system |  | | `user` | user |  | --- `system.network.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `close` | close |  | | `close_wait` | close_wait |  | | `closing` | closing |  | | `delete` | delete |  | | `established` | established |  | | `fin_wait_1` | fin_wait_1 |  | | `fin_wait_2` | fin_wait_2 |  | | `last_ack` | last_ack |  | | `listen` | listen |  | | `syn_recv` | syn_recv |  | | `syn_sent` | syn_sent |  | | `time_wait` | time_wait |  | --- `system.processes.status` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `defunct` | defunct |  | | `running` | running |  | | `sleeping` | sleeping |  | | `stopped` | stopped |  |