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BREAKING: Generate System metrics semconv from YAML + move attributes to their own namespace (#89) 

Co-authored-by: Armin Ruech <armin.ruech@dynatrace.com>
Co-authored-by: Pablo Baeyens <pbaeyens31+github@gmail.com>
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CHANGELOG.md
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@ -71,6 +71,33 @@ release.
([#270](https://github.com/open-telemetry/semantic-conventions/pull/270))
- Moved RPC streaming notes from metric brief section to notes section.
([#275](https://github.com/open-telemetry/semantic-conventions/pull/275))
- BREAKING: Generate System metrics semconv from YAML.
([#89](https://github.com/open-telemetry/semantic-conventions/pull/89))
- Rename attributes for `system.cpu.*` metrics:
- `state` to `system.cpu.state`
- `cpu` to `system.cpu.logical_number`
- Rename attributes for `system.memory.*` metrics:
- `state` to `system.memory.state`
- Rename attributes for `system.paging.*` metrics:
- `state` to `system.paging.state`
- `type` to `system.paging.type`
- `direction` to `system.paging.direction`
- Rename attributes for `system.disk.*` metrics:
- `device` to `system.device`
- `direction` to `system.disk.direction`
- Rename attributes for `system.filesystem.*` metrics:
- `device` to `system.device`
- `state` to `system.filesystem.state`
- `type` to `system.filesystem.type`
- `mode` to `system.filesystem.mode`
- `mountpoint` to `system.filesystem.mountpoint`
- Rename attributes for `system.network.*` metrics:
- `device` to `system.device`
- `direction` to `system.network.direction`
- `protocol` to `network.protocol`
- `state` to `system.network.state`
- Rename attributes for `system.processes.*` metrics:
- `status` to `system.processes.status`
## v1.21.0 (2023-07-13)

780
docs/system/system-metrics.md
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@ -15,154 +15,701 @@ instruments not explicitly defined in the specification.
<!-- toc -->
- [Metric Instruments](#metric-instruments)
* [`system.cpu.` - Processor metrics](#systemcpu---processor-metrics)
* [`system.memory.` - Memory metrics](#systemmemory---memory-metrics)
* [`system.paging.` - Paging/swap metrics](#systempaging---pagingswap-metrics)
* [`system.disk.` - Disk controller metrics](#systemdisk---disk-controller-metrics)
* [`system.filesystem.` - Filesystem metrics](#systemfilesystem---filesystem-metrics)
* [`system.network.` - Network metrics](#systemnetwork---network-metrics)
* [`system.processes.` - Aggregate system process metrics](#systemprocesses---aggregate-system-process-metrics)
* [`system.{os}.` - OS Specific System Metrics](#systemos---os-specific-system-metrics)
- [Processor Metrics](#processor-metrics)
* [Metric: `system.cpu.time`](#metric-systemcputime)
* [Metric: `system.cpu.utilization`](#metric-systemcpuutilization)
* [Metric: `system.cpu.physical.count`](#metric-systemcpuphysicalcount)
* [Metric: `system.cpu.logical.count`](#metric-systemcpulogicalcount)
- [Memory Metrics](#memory-metrics)
* [Metric: `system.memory.usage`](#metric-systemmemoryusage)
* [Metric: `system.memory.utilization`](#metric-systemmemoryutilization)
- [Paging/Swap Metrics](#pagingswap-metrics)
* [Metric: `system.paging.usage`](#metric-systempagingusage)
* [Metric: `system.paging.utilization`](#metric-systempagingutilization)
* [Metric: `system.paging.faults`](#metric-systempagingfaults)
* [Metric: `system.paging.operations`](#metric-systempagingoperations)
- [Disk Controller Metrics](#disk-controller-metrics)
* [Metric: `system.disk.io`](#metric-systemdiskio)
* [Metric: `system.disk.operations`](#metric-systemdiskoperations)
* [Metric: `system.disk.io_time`](#metric-systemdiskio_time)
* [Metric: `system.disk.operation_time`](#metric-systemdiskoperation_time)
* [Metric: `system.disk.merged`](#metric-systemdiskmerged)
- [Filesystem Metrics](#filesystem-metrics)
* [Metric: `system.filesystem.usage`](#metric-systemfilesystemusage)
* [Metric: `system.filesystem.utilization`](#metric-systemfilesystemutilization)
- [Network Metrics](#network-metrics)
* [Metric: `system.network.dropped`](#metric-systemnetworkdropped)
* [Metric: `system.network.packets`](#metric-systemnetworkpackets)
* [Metric: `system.network.errors`](#metric-systemnetworkerrors)
* [Metric: `system.network.io`](#metric-systemnetworkio)
* [Metric: `system.network.connections`](#metric-systemnetworkconnections)
- [Aggregate System Process Metrics](#aggregate-system-process-metrics)
* [Metric: `system.processes.count`](#metric-systemprocessescount)
* [Metric: `system.processes.created`](#metric-systemprocessescreated)
- [`system.{os}.` - OS Specific System Metrics](#systemos---os-specific-system-metrics)
<!-- tocstop -->
## Metric Instruments
## Processor Metrics
### `system.cpu.` - Processor metrics
**Description:** System level processor metrics captured under the namespace `system.cpu`.
**Description:** System level processor metrics.
### Metric: `system.cpu.time`
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key(s) | Attribute Values |
| ------------------------- | ---------------------------------------------------------------------------------------------------------------- | ----- | ------------------------------------------------- | ---------- | ---------------- | ----------------------------------- |
| system.cpu.time | Seconds each logical CPU spent on each mode | s | Counter | Double | state | idle, user, system, interrupt, etc. |
| | | | | | cpu | Logical CPU number [0..n-1] |
| system.cpu.utilization | Difference in system.cpu.time since the last measurement, divided by the elapsed time and number of logical CPUs | 1 | Gauge | Double | state | idle, user, system, interrupt, etc. |
| | | | | | cpu | Logical CPU number (0..n) |
| system.cpu.physical.count | Reports the number of actual physical processor cores on the hardware | {cpu} | UpDownCounter | Int64 | | |
| system.cpu.logical.count | Reports the number of logical (virtual) processor cores created by the operating system to manage multitasking | {cpu} | UpDownCounter | Int64 | | |
This metric is [recommended][MetricRecommended].
### `system.memory.` - Memory metrics
<!-- semconv metric.system.cpu.time(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.cpu.time` | Counter | `s` | Seconds each logical CPU spent on each mode |
<!-- endsemconv -->
**Description:** System level memory metrics. This does not include [paging/swap
memory](#systempaging---pagingswap-metrics).
<!-- semconv metric.system.cpu.time(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.cpu.logical_number` | int | The logical CPU number [0..n-1] | `1` | Recommended |
| `system.cpu.state` | string | The state of the CPU | `idle`; `interrupt` | Recommended |
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
| ------------------------- | ----------- | ----- | ------------------------------------------------- | ---------- | ------------- | ------------------------ |
| system.memory.usage | | By | UpDownCounter | Int64 | state | used, free, cached, etc. |
| system.memory.utilization | | 1 | Gauge | Double | state | used, free, cached, etc. |
`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.
### `system.paging.` - Paging/swap metrics
| Value | Description |
|---|---|
| `user` | user |
| `system` | system |
| `nice` | nice |
| `idle` | idle |
| `iowait` | iowait |
| `interrupt` | interrupt |
| `steal` | steal |
<!-- endsemconv -->
**Description:** System level paging/swap memory metrics.
### Metric: `system.cpu.utilization`
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
|---------------------------|-------------------------------------|--------------|---------------------------------------------------|------------|---------------|------------------|
| system.paging.usage | Unix swap or windows pagefile usage | By | UpDownCounter | Int64 | state | used, free |
| system.paging.utilization | | 1 | Gauge | Double | state | used, free |
| system.paging.faults | | {fault} | Counter | Int64 | type | major, minor |
| system.paging.operations | | {operation} | Counter | Int64 | type | major, minor |
| | | | | | direction | in, out |
This metric is [recommended][MetricRecommended].
### `system.disk.` - Disk controller metrics
<!-- semconv metric.system.cpu.utilization(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.cpu.utilization` | Gauge | `1` | Difference in system.cpu.time since the last measurement, divided by the elapsed time and number of logical CPUs |
<!-- endsemconv -->
**Description:** System level disk performance metrics.
<!-- semconv metric.system.cpu.utilization(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.cpu.logical_number` | int | The logical CPU number [0..n-1] | `1` | Recommended |
| `system.cpu.state` | string | The state of the CPU | `idle`; `interrupt` | Recommended |
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
|--------------------------------------------|-------------------------------------------------|--------------|---------------------------------------------------|------------|---------------|------------------|
| system.disk.io<!--notlink--> | | By | Counter | Int64 | device | (identifier) |
| | | | | | direction | read, write |
| system.disk.operations | | {operation} | Counter | Int64 | device | (identifier) |
| | | | | | direction | read, write |
| system.disk.io_time<sup>\[1\]</sup> | Time disk spent activated | s | Counter | Double | device | (identifier) |
| system.disk.operation_time<sup>\[2\]</sup> | Sum of the time each operation took to complete | s | Counter | Double | device | (identifier) |
| | | | | | direction | read, write |
| system.disk.merged | | {operation} | Counter | Int64 | device | (identifier) |
| | | | | | direction | read, write |
`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.
<sup>1</sup> The real elapsed time ("wall clock")
used in the I/O path (time from operations running in parallel are not
counted). Measured as:
| Value | Description |
|---|---|
| `user` | user |
| `system` | system |
| `nice` | nice |
| `idle` | idle |
| `iowait` | iowait |
| `interrupt` | interrupt |
| `steal` | steal |
<!-- endsemconv -->
- Linux: Field 13 from
[procfs-diskstats](https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats)
- Windows: The complement of ["Disk\% Idle
Time"](https://docs.microsoft.com/en-us/archive/blogs/askcore/windows-performance-monitor-disk-counters-explained#windows-performance-monitor-disk-counters-explained:~:text=%25%20Idle%20Time,Idle\)%20to%200%20(meaning%20always%20busy).)
performance counter: `uptime * (100 - "Disk\% Idle Time") / 100`
### Metric: `system.cpu.physical.count`
<sup>2</sup> Because it is the sum of time each
request took, parallel-issued requests each contribute to make the count
grow. Measured as:
This metric is [recommended][MetricRecommended].
- Linux: Fields 7 & 11 from
[procfs-diskstats](https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats)
- Windows: "Avg. Disk sec/Read" perf counter multiplied by "Disk Reads/sec"
perf counter (similar for Writes)
<!-- semconv metric.system.cpu.physical.count(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.cpu.physical.count` | UpDownCounter | `{cpu}` | Reports the number of actual physical processor cores on the hardware |
<!-- endsemconv -->
### `system.filesystem.` - Filesystem metrics
<!-- semconv metric.system.cpu.physical.count(full) -->
<!-- endsemconv -->
**Description:** System level filesystem metrics.
### Metric: `system.cpu.logical.count`
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
| ----------------------------- | ----------- | ----- | ------------------------------------------------- | ---------- | ------------- | -------------------- |
| system.filesystem.usage | | By | UpDownCounter | Int64 | device | (identifier) |
| | | | | | state | used, free, reserved |
| | | | | | type | ext4, tmpfs, etc. |
| | | | | | mode | rw, ro, etc. |
| | | | | | mountpoint | (path) |
| system.filesystem.utilization | | 1 | Gauge | Double | device | (identifier) |
| | | | | | state | used, free, reserved |
| | | | | | type | ext4, tmpfs, etc. |
| | | | | | mode | rw, ro, etc. |
| | | | | | mountpoint | (path) |
This metric is [recommended][MetricRecommended].
### `system.network.` - Network metrics
<!-- semconv metric.system.cpu.logical.count(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.cpu.logical.count` | UpDownCounter | `{cpu}` | Reports the number of logical (virtual) processor cores created by the operating system to manage multitasking |
<!-- endsemconv -->
**Description:** System level network metrics.
<!-- semconv metric.system.cpu.logical.count(full) -->
<!-- endsemconv -->
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
|----------------------------------------|-------------------------------------------------------------------------------|---------------|---------------------------------------------------|------------|---------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| system.network.dropped<sup>\[1\]</sup> | Count of packets that are dropped or discarded even though there was no error | {packet} | Counter | Int64 | device | (identifier) |
| | | | | | direction | transmit, receive |
| system.network.packets | | {packet} | Counter | Int64 | device | (identifier) |
| | | | | | direction | transmit, receive |
| system.network.errors<sup>\[2\]</sup> | Count of network errors detected | {error} | Counter | Int64 | device | (identifier) |
| | | | | | direction | transmit, receive |
| system<!--notlink-->.network.io | | By | Counter | Int64 | device | (identifier) |
| | | | | | direction | transmit, receive |
| system.network.connections | | {connection} | UpDownCounter | Int64 | device | (identifier) |
| | | | | | protocol | tcp, udp, [etc.](https://en.wikipedia.org/wiki/Transport_layer#Protocols) |
| | | | | | state | If specified, SHOULD be one of: close, close_wait, closing, delete, established, fin_wait_1, fin_wait_2, last_ack, listen, syn_recv, syn_sent, time_wait. A stateless protocol MUST NOT set this attribute. |
## Memory Metrics
<sup>1</sup> Measured as:
**Description:** System level memory metrics capture under the namespace `system.memory`.
This does not include [paging/swap memory](#pagingswap-metrics).
- Linux: the `drop` column in `/proc/dev/net`
([source](https://web.archive.org/web/20180321091318/http://www.onlamp.com/pub/a/linux/2000/11/16/LinuxAdmin.html)).
- Windows:
[`InDiscards`/`OutDiscards`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_if_row2)
from
[`GetIfEntry2`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2).
### Metric: `system.memory.usage`
<sup>2</sup> Measured as:
This metric is [recommended][MetricRecommended].
- Linux: the `errs` column in `/proc/dev/net`
([source](https://web.archive.org/web/20180321091318/http://www.onlamp.com/pub/a/linux/2000/11/16/LinuxAdmin.html)).
- Windows:
[`InErrors`/`OutErrors`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_if_row2)
from
[`GetIfEntry2`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2).
<!-- semconv metric.system.memory.usage(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.memory.usage` | UpDownCounter | `By` | |
<!-- endsemconv -->
### `system.processes.` - Aggregate system process metrics
<!-- semconv metric.system.memory.usage(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.memory.state` | string | The memory state | `free`; `cached` | Recommended |
**Description:** System level aggregate process metrics. For metrics at the
individual process level, see [process metrics](process-metrics.md).
`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.
| Name | Description | Units | Instrument Type ([*](/docs/general/metrics.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
| ------------------------ | --------------------------------------------------------- | ----------- | ------------------------------------------------- | ---------- | ------------- | ---------------------------------------------------------------------------------------------- |
| system.processes.count | Total number of processes in each state | {process} | UpDownCounter | Int64 | status | running, sleeping, [etc.](https://man7.org/linux/man-pages/man1/ps.1.html#PROCESS_STATE_CODES) |
| system.processes.created | Total number of processes created over uptime of the host | {process} | Counter | Int64 | - | - |
| Value | Description |
|---|---|
| `total` | total |
| `used` | used |
| `free` | free |
| `shared` | shared |
| `buffers` | buffers |
| `cached` | cached |
<!-- endsemconv -->
### `system.{os}.` - OS Specific System Metrics
### Metric: `system.memory.utilization`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.memory.utilization(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.memory.utilization` | Gauge | `1` | |
<!-- endsemconv -->
<!-- semconv metric.system.memory.utilization(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.memory.state` | string | The memory state | `free`; `cached` | Recommended |
`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 |
|---|---|
| `total` | total |
| `used` | used |
| `free` | free |
| `shared` | shared |
| `buffers` | buffers |
| `cached` | cached |
<!-- endsemconv -->
## Paging/Swap Metrics
**Description:** System level paging/swap memory metrics captured under the namespace `system.paging`.
### Metric: `system.paging.usage`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.paging.usage(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.paging.usage` | UpDownCounter | `By` | Unix swap or windows pagefile usage |
<!-- endsemconv -->
<!-- semconv metric.system.paging.usage(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.paging.state` | string | The memory paging state | `free` | Recommended |
`system.paging.state` MUST be one of the following:
| Value | Description |
|---|---|
| `used` | used |
| `free` | free |
<!-- endsemconv -->
### Metric: `system.paging.utilization`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.paging.utilization(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.paging.utilization` | Gauge | `1` | |
<!-- endsemconv -->
<!-- semconv metric.system.paging.utilization(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.paging.state` | string | The memory paging state | `free` | Recommended |
`system.paging.state` MUST be one of the following:
| Value | Description |
|---|---|
| `used` | used |
| `free` | free |
<!-- endsemconv -->
### Metric: `system.paging.faults`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.paging.faults(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.paging.faults` | Counter | `{fault}` | |
<!-- endsemconv -->
<!-- semconv metric.system.paging.faults(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.paging.type` | string | The memory paging type | `minor` | Recommended |
`system.paging.type` MUST be one of the following:
| Value | Description |
|---|---|
| `major` | major |
| `minor` | minor |
<!-- endsemconv -->
### Metric: `system.paging.operations`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.paging.operations(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.paging.operations` | Counter | `{operation}` | |
<!-- endsemconv -->
<!-- semconv metric.system.paging.operations(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.paging.direction` | string | The paging access direction | `in` | Recommended |
| `system.paging.type` | string | The memory paging type | `minor` | Recommended |
`system.paging.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `in` | in |
| `out` | out |
`system.paging.type` MUST be one of the following:
| Value | Description |
|---|---|
| `major` | major |
| `minor` | minor |
<!-- endsemconv -->
## Disk Controller Metrics
**Description:** System level disk performance metrics captured under the namespace `system.disk`.
### Metric: `system.disk.io`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.disk.io(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.disk.io` | Counter | `By` | |
<!-- endsemconv -->
<!-- semconv metric.system.disk.io(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.disk.direction` | string | The disk operation direction | `read` | Recommended |
`system.disk.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `read` | read |
| `write` | write |
<!-- endsemconv -->
### Metric: `system.disk.operations`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.disk.operations(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.disk.operations` | Counter | `{operation}` | |
<!-- endsemconv -->
<!-- semconv metric.system.disk.operations(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.disk.direction` | string | The disk operation direction | `read` | Recommended |
`system.disk.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `read` | read |
| `write` | write |
<!-- endsemconv -->
### Metric: `system.disk.io_time`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.disk.io_time(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.disk.io_time` | Counter | `s` | Time disk spent activated [1] |
**[1]:** The real elapsed time ("wall clock") used in the I/O path (time from operations running in parallel are not counted). Measured as:
- Linux: Field 13 from [procfs-diskstats](https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats)
- Windows: The complement of
["Disk\% Idle Time"](https://learn.microsoft.com/en-us/archive/blogs/askcore/windows-performance-monitor-disk-counters-explained#windows-performance-monitor-disk-counters-explained)
performance counter: `uptime * (100 - "Disk\% Idle Time") / 100`
<!-- endsemconv -->
<!-- semconv metric.system.disk.io_time(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
<!-- endsemconv -->
### Metric: `system.disk.operation_time`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.disk.operation_time(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.disk.operation_time` | Counter | `s` | Sum of the time each operation took to complete [1] |
**[1]:** Because it is the sum of time each request took, parallel-issued requests each contribute to make the count grow. Measured as:
- Linux: Fields 7 & 11 from [procfs-diskstats](https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats)
- Windows: "Avg. Disk sec/Read" perf counter multiplied by "Disk Reads/sec" perf counter (similar for Writes)
<!-- endsemconv -->
<!-- semconv metric.system.disk.operation_time(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.disk.direction` | string | The disk operation direction | `read` | Recommended |
`system.disk.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `read` | read |
| `write` | write |
<!-- endsemconv -->
### Metric: `system.disk.merged`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.disk.merged(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.disk.merged` | Counter | `{operation}` | |
<!-- endsemconv -->
<!-- semconv metric.system.disk.merged(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.disk.direction` | string | The disk operation direction | `read` | Recommended |
`system.disk.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `read` | read |
| `write` | write |
<!-- endsemconv -->
## Filesystem Metrics
**Description:** System level filesystem metrics captured under the namespace `system.filesystem`.
### Metric: `system.filesystem.usage`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.filesystem.usage(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.filesystem.usage` | UpDownCounter | `By` | |
<!-- endsemconv -->
<!-- semconv metric.system.filesystem.usage(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.filesystem.mode` | string | The filesystem mode | `rw, ro` | Recommended |
| `system.filesystem.mountpoint` | string | The filesystem mount path | `/mnt/data` | Recommended |
| `system.filesystem.state` | string | The filesystem state | `used` | Recommended |
| `system.filesystem.type` | string | The filesystem type | `ext4` | Recommended |
`system.filesystem.state` MUST be one of the following:
| Value | Description |
|---|---|
| `used` | used |
| `free` | free |
| `reserved` | reserved |
`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 |
|---|---|
| `fat32` | fat32 |
| `exfat` | exfat |
| `ntfs` | ntfs |
| `refs` | refs |
| `hfsplus` | hfsplus |
| `ext4` | ext4 |
<!-- endsemconv -->
### Metric: `system.filesystem.utilization`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.filesystem.utilization(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.filesystem.utilization` | Gauge | `1` | |
<!-- endsemconv -->
<!-- semconv metric.system.filesystem.utilization(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.filesystem.mode` | string | The filesystem mode | `rw, ro` | Recommended |
| `system.filesystem.mountpoint` | string | The filesystem mount path | `/mnt/data` | Recommended |
| `system.filesystem.state` | string | The filesystem state | `used` | Recommended |
| `system.filesystem.type` | string | The filesystem type | `ext4` | Recommended |
`system.filesystem.state` MUST be one of the following:
| Value | Description |
|---|---|
| `used` | used |
| `free` | free |
| `reserved` | reserved |
`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 |
|---|---|
| `fat32` | fat32 |
| `exfat` | exfat |
| `ntfs` | ntfs |
| `refs` | refs |
| `hfsplus` | hfsplus |
| `ext4` | ext4 |
<!-- endsemconv -->
## Network Metrics
**Description:** System level network metrics captured under the namespace `system.network`.
### Metric: `system.network.dropped`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.network.dropped(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.network.dropped` | Counter | `{packet}` | Count of packets that are dropped or discarded even though there was no error [1] |
**[1]:** Measured as:
- Linux: the `drop` column in `/proc/dev/net` ([source](https://web.archive.org/web/20180321091318/http://www.onlamp.com/pub/a/linux/2000/11/16/LinuxAdmin.html))
- Windows: [`InDiscards`/`OutDiscards`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_if_row2)
from [`GetIfEntry2`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2)
<!-- endsemconv -->
<!-- semconv metric.system.network.dropped(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.network.direction` | string | | `transmit` | Recommended |
`system.network.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `transmit` | transmit |
| `receive` | receive |
<!-- endsemconv -->
### Metric: `system.network.packets`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.network.packets(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.network.packets` | Counter | `{packet}` | |
<!-- endsemconv -->
<!-- semconv metric.system.network.packets(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.network.direction` | string | | `transmit` | Recommended |
`system.network.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `transmit` | transmit |
| `receive` | receive |
<!-- endsemconv -->
### Metric: `system.network.errors`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.network.errors(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.network.errors` | Counter | `{error}` | Count of network errors detected [1] |
**[1]:** Measured as:
- Linux: the `errs` column in `/proc/dev/net` ([source](https://web.archive.org/web/20180321091318/http://www.onlamp.com/pub/a/linux/2000/11/16/LinuxAdmin.html)).
- Windows: [`InErrors`/`OutErrors`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_if_row2)
from [`GetIfEntry2`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2).
<!-- endsemconv -->
<!-- semconv metric.system.network.errors(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.network.direction` | string | | `transmit` | Recommended |
`system.network.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `transmit` | transmit |
| `receive` | receive |
<!-- endsemconv -->
### Metric: `system.network.io`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.network.io(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.network.io` | Counter | `By` | |
<!-- endsemconv -->
<!-- semconv metric.system.network.io(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.network.direction` | string | | `transmit` | Recommended |
`system.network.direction` MUST be one of the following:
| Value | Description |
|---|---|
| `transmit` | transmit |
| `receive` | receive |
<!-- endsemconv -->
### Metric: `system.network.connections`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.network.connections(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.network.connections` | UpDownCounter | `{connection}` | |
<!-- endsemconv -->
<!-- semconv metric.system.network.connections(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| [`network.transport`](../general/attributes.md) | string | [OSI Transport Layer](https://osi-model.com/transport-layer/) or [Inter-process Communication method](https://en.wikipedia.org/wiki/Inter-process_communication). The value SHOULD be normalized to lowercase. | `tcp`; `udp` | Recommended |
| `system.device` | string | The device identifier | `(identifier)` | Recommended |
| `system.network.state` | string | A stateless protocol MUST NOT set this attribute | `close_wait` | Recommended |
`network.transport` 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 |
|---|---|
| `tcp` | TCP |
| `udp` | UDP |
| `pipe` | Named or anonymous pipe. See note below. |
| `unix` | Unix domain socket |
`system.network.state` MUST be one of the following:
| Value | Description |
|---|---|
| `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 |
<!-- endsemconv -->
## Aggregate System Process Metrics
**Description:** System level aggregate process metrics captured under the namespace `system.process`.
For metrics at the individual process level, see [process metrics](process-metrics.md).
### Metric: `system.processes.count`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.processes.count(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.processes.count` | UpDownCounter | `{process}` | Total number of processes in each state |
<!-- endsemconv -->
<!-- semconv metric.system.processes.count(full) -->
| Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---|
| `system.processes.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` | Recommended |
`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 |
|---|---|
| `running` | running |
| `sleeping` | sleeping |
| `stopped` | stopped |
| `defunct` | defunct |
<!-- endsemconv -->
### Metric: `system.processes.created`
This metric is [recommended][MetricRecommended].
<!-- semconv metric.system.processes.created(metric_table) -->
| Name | Instrument Type | Unit (UCUM) | Description |
| -------- | --------------- | ----------- | -------------- |
| `system.processes.created` | Counter | `{process}` | Total number of processes created over uptime of the host |
<!-- endsemconv -->
<!-- semconv metric.system.processes.created(full) -->
<!-- endsemconv -->
## `system.{os}.` - OS Specific System Metrics
Instrument names for system level metrics that have different and conflicting
meaning across multiple OSes should be prefixed with `system.{os}.` and
@ -190,4 +737,5 @@ An instrument for load average over 1 minute on Linux could be named
`system.linux.cpu.load_1m`, reusing the `cpu` name proposed above and having
an `{os}` prefix to split this metric across OSes.
[DocumentStatus]: https://github.com/open-telemetry/opentelemetry-specification/tree/v1.22.0/specification/document-status.md
[DocumentStatus]: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.22.0/specification/document-status.md
[MetricRecommended]: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.22.0/specification/metrics/metric-requirement-level.md#recommended

492
model/metrics/system-metrics.yaml Normal file
View File

@ -0,0 +1,492 @@
groups:
# General system attributes
- id: attributes.system
prefix: system
type: attribute_group
brief: "Describes System metric attributes"
attributes:
- id: device
type: string
brief: "The device identifier"
examples: ["(identifier)"]
# system.cpu.* metrics and attribute group
- id: attributes.system.cpu
prefix: system.cpu
type: attribute_group
brief: "Describes System CPU metric attributes"
attributes:
- id: state
type:
allow_custom_values: true
members:
- id: user
value: 'user'
- id: system
value: 'system'
- id: nice
value: 'nice'
- id: idle
value: 'idle'
- id: iowait
value: 'iowait'
- id: interrupt
value: 'interrupt'
- id: steal
value: 'steal'
brief: "The state of the CPU"
examples: ["idle", "interrupt"]
- id: logical_number
type: int
brief: "The logical CPU number [0..n-1]"
examples: [1]
- id: metric.system.cpu.time
type: metric
metric_name: system.cpu.time
brief: "Seconds each logical CPU spent on each mode"
instrument: counter
unit: "s"
attributes:
- ref: system.cpu.state
- ref: system.cpu.logical_number
- id: metric.system.cpu.utilization
type: metric
metric_name: system.cpu.utilization
brief: "Difference in system.cpu.time since the last measurement, divided by the elapsed time and number of logical CPUs"
instrument: gauge
unit: "1"
attributes:
- ref: system.cpu.state
- ref: system.cpu.logical_number
- id: metric.system.cpu.physical.count
type: metric
metric_name: system.cpu.physical.count
brief: "Reports the number of actual physical processor cores on the hardware"
instrument: updowncounter
unit: "{cpu}"
attributes: []
- id: metric.system.cpu.logical.count
type: metric
metric_name: system.cpu.logical.count
brief: "Reports the number of logical (virtual) processor cores created by the operating system to manage multitasking"
instrument: updowncounter
unit: "{cpu}"
attributes: []
# sytem.memory.* metrics and attribute group
- id: attributes.system.memory
prefix: system.memory
type: attribute_group
brief: "Describes System Memory metric attributes"
attributes:
- id: state
type:
allow_custom_values: true
members:
- id: total
value: 'total'
- id: used
value: 'used'
- id: free
value: 'free'
- id: shared
value: 'shared'
- id: buffers
value: 'buffers'
- id: cached
value: 'cached'
brief: "The memory state"
examples: ["free", "cached"]
- id: metric.system.memory.usage
type: metric
metric_name: system.memory.usage
brief: ""
instrument: updowncounter
unit: "By"
attributes:
- ref: system.memory.state
- id: metric.system.memory.utilization
type: metric
metric_name: system.memory.utilization
brief: ""
instrument: gauge
unit: "1"
attributes:
- ref: system.memory.state
# system.paging.* metrics and attribute group
- id: attributes.system.paging
prefix: system.paging
type: attribute_group
brief: "Describes System Memory Paging metric attributes"
attributes:
- id: state
type:
allow_custom_values: false
members:
- id: used
value: 'used'
- id: free
value: 'free'
brief: "The memory paging state"
examples: ["free"]
- id: type
type:
allow_custom_values: false
members:
- id: major
value: 'major'
- id: minor
value: 'minor'
brief: "The memory paging type"
examples: ["minor"]
- id: direction
type:
allow_custom_values: false
members:
- id: in
value: 'in'
- id: out
value: 'out'
brief: "The paging access direction"
examples: ["in"]
- id: metric.system.paging.usage
type: metric
metric_name: system.paging.usage
brief: "Unix swap or windows pagefile usage"
instrument: updowncounter
unit: "By"
attributes:
- ref: system.paging.state
- id: metric.system.paging.utilization
type: metric
metric_name: system.paging.utilization
brief: ""
instrument: gauge
unit: "1"
attributes:
- ref: system.paging.state
- id: metric.system.paging.faults
type: metric
metric_name: system.paging.faults
brief: ""
instrument: counter
unit: "{fault}"
attributes:
- ref: system.paging.type
- id: metric.system.paging.operations
type: metric
metric_name: system.paging.operations
brief: ""
instrument: counter
unit: "{operation}"
attributes:
- ref: system.paging.type
- ref: system.paging.direction
# system.disk.* metrics and attribute group
- id: attributes.system.disk
prefix: system.disk
type: attribute_group
brief: "Describes System Disk metric attributes"
attributes:
- id: direction
type:
allow_custom_values: false
members:
- id: read
value: 'read'
- id: write
value: 'write'
brief: "The disk operation direction"
examples: ["read"]
- id: metric.system.disk.io
type: metric
metric_name: system.disk.io
brief: ""
instrument: counter
unit: "By"
attributes:
- ref: system.device
- ref: system.disk.direction
- id: metric.system.disk.operations
type: metric
metric_name: system.disk.operations
brief: ""
instrument: counter
unit: "{operation}"
attributes:
- ref: system.device
- ref: system.disk.direction
- id: metric.system.disk.io_time
type: metric
metric_name: system.disk.io_time
brief: "Time disk spent activated"
instrument: counter
unit: "s"
note: |
The real elapsed time ("wall clock") used in the I/O path (time from operations running in parallel are not counted). Measured as:
- Linux: Field 13 from [procfs-diskstats](https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats)
- Windows: The complement of
["Disk\% Idle Time"](https://learn.microsoft.com/en-us/archive/blogs/askcore/windows-performance-monitor-disk-counters-explained#windows-performance-monitor-disk-counters-explained)
performance counter: `uptime * (100 - "Disk\% Idle Time") / 100`
attributes:
- ref: system.device
- id: metric.system.disk.operation_time
type: metric
metric_name: system.disk.operation_time
brief: "Sum of the time each operation took to complete"
instrument: counter
unit: "s"
note: |
Because it is the sum of time each request took, parallel-issued requests each contribute to make the count grow. Measured as:
- Linux: Fields 7 & 11 from [procfs-diskstats](https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats)
- Windows: "Avg. Disk sec/Read" perf counter multiplied by "Disk Reads/sec" perf counter (similar for Writes)
attributes:
- ref: system.device
- ref: system.disk.direction
- id: metric.system.disk.merged
type: metric
metric_name: system.disk.merged
brief: ""
instrument: counter
unit: "{operation}"
attributes:
- ref: system.device
- ref: system.disk.direction
# system.filesystem.* metrics and attribute group
- id: attributes.system.filesystem
prefix: system.filesystem
type: attribute_group
brief: "Describes Filesystem metric attributes"
attributes:
- id: state
brief: "The filesystem state"
type:
allow_custom_values: false
members:
- id: used
value: 'used'
- id: free
value: 'free'
- id: reserved
value: 'reserved'
examples: ["used"]
- id: type
type:
allow_custom_values: true
members:
- id: fat32
value: 'fat32'
- id: exfat
value: 'exfat'
- id: ntfs
value: 'ntfs'
- id: refs
value: 'refs'
- id: hfsplus
value: 'hfsplus'
- id: ext4
value: 'ext4'
brief: "The filesystem type"
examples: ["ext4"]
- id: mode
type: string
brief: "The filesystem mode"
examples: ["rw, ro"]
- id: mountpoint
type: string
brief: "The filesystem mount path"
examples: ["/mnt/data"]
- id: metric.system.filesystem.usage
type: metric
metric_name: system.filesystem.usage
brief: ""
instrument: updowncounter
unit: "By"
attributes:
- ref: system.device
- ref: system.filesystem.state
- ref: system.filesystem.type
- ref: system.filesystem.mode
- ref: system.filesystem.mountpoint
- id: metric.system.filesystem.utilization
type: metric
metric_name: system.filesystem.utilization
brief: ""
instrument: gauge
unit: "1"
attributes:
- ref: system.device
- ref: system.filesystem.state
- ref: system.filesystem.type
- ref: system.filesystem.mode
- ref: system.filesystem.mountpoint
# system.network.* metrics and attribute group
- id: attributes.system.network
prefix: system.network
type: attribute_group
brief: "Describes Network metric attributes"
attributes:
- id: direction
type:
allow_custom_values: false
members:
- id: transmit
value: 'transmit'
- id: receive
value: 'receive'
brief: ""
examples: ["transmit"]
- id: state
type:
allow_custom_values: false
members:
- id: close
value: 'close'
- id: close_wait
value: 'close_wait'
- id: closing
value: 'closing'
- id: delete
value: 'delete'
- id: established
value: 'established'
- id: fin_wait_1
value: 'fin_wait_1'
- id: fin_wait_2
value: 'fin_wait_2'
- id: last_ack
value: 'last_ack'
- id: listen
value: 'listen'
- id: syn_recv
value: 'syn_recv'
- id: syn_sent
value: 'syn_sent'
- id: time_wait
value: 'time_wait'
brief: "A stateless protocol MUST NOT set this attribute"
examples: ["close_wait"]
- id: metric.system.network.dropped
type: metric
metric_name: system.network.dropped
brief: "Count of packets that are dropped or discarded even though there was no error"
instrument: counter
unit: "{packet}"
note: |
Measured as:
- Linux: the `drop` column in `/proc/dev/net` ([source](https://web.archive.org/web/20180321091318/http://www.onlamp.com/pub/a/linux/2000/11/16/LinuxAdmin.html))
- Windows: [`InDiscards`/`OutDiscards`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_if_row2)
from [`GetIfEntry2`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2)
attributes:
- ref: system.device
- ref: system.network.direction
- id: metric.system.network.packets
type: metric
metric_name: system.network.packets
brief: ""
instrument: counter
unit: "{packet}"
attributes:
- ref: system.device
- ref: system.network.direction
- id: metric.system.network.errors
type: metric
metric_name: system.network.errors
brief: "Count of network errors detected"
instrument: counter
unit: "{error}"
note: |
Measured as:
- Linux: the `errs` column in `/proc/dev/net` ([source](https://web.archive.org/web/20180321091318/http://www.onlamp.com/pub/a/linux/2000/11/16/LinuxAdmin.html)).
- Windows: [`InErrors`/`OutErrors`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_if_row2)
from [`GetIfEntry2`](https://docs.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2).
attributes:
- ref: system.device
- ref: system.network.direction
- id: metric.system.network.io
type: metric
metric_name: system.network.io
brief: ""
instrument: counter
unit: "By"
attributes:
- ref: system.device
- ref: system.network.direction
- id: metric.system.network.connections
type: metric
metric_name: system.network.connections
brief: ""
instrument: updowncounter
unit: "{connection}"
attributes:
- ref: system.device
- ref: system.network.state
- ref: network.transport
# system.processes.* metrics and attribute group
- id: attributes.system.processes
prefix: system.processes
type: attribute_group
brief: "Describes System Process metric attributes"
attributes:
- id: status
type:
allow_custom_values: true
members:
- id: running
value: 'running'
- id: sleeping
value: 'sleeping'
- id: stopped
value: 'stopped'
- id: defunct
value: 'defunct'
brief: >
The process state, e.g., [Linux Process State Codes](https://man7.org/linux/man-pages/man1/ps.1.html#PROCESS_STATE_CODES)
examples: ["running"]
- id: metric.system.processes.count
type: metric
metric_name: system.processes.count
brief: "Total number of processes in each state"
instrument: updowncounter
unit: "{process}"
attributes:
- ref: system.processes.status
- id: metric.system.processes.created
type: metric
metric_name: system.processes.created
brief: "Total number of processes created over uptime of the host"
instrument: counter
unit: "{process}"

64
schema-next.yaml
View File

@ -63,6 +63,70 @@ versions:
- jvm.buffer.usage
- jvm.buffer.limit
- jvm.buffer.count
# https://github.com/open-telemetry/semantic-conventions/pull/89
- rename_attributes:
attribute_map:
state: system.cpu.state
cpu: system.cpu.logical_number
apply_to_metrics:
- system.cpu.time
- system.cpu.utilization
- rename_attributes:
attribute_map:
state: system.memory.state
apply_to_metrics:
- system.memory.usage
- system.memory.utilization
- rename_attributes:
attribute_map:
state: system.paging.state
apply_to_metrics:
- system.paging.usage
- system.paging.utilization
- rename_attributes:
attribute_map:
type: system.paging.type
direction: system.paging.direction
apply_to_metrics:
- system.paging.faults
- system.paging.operations
- rename_attributes:
attribute_map:
device: system.device
direction: system.disk.direction
apply_to_metrics:
- system.disk.io
- system.disk.operations
- system.disk.io_time
- system.disk.operation_time
- system.disk.merged
- rename_attributes:
attribute_map:
device: system.device
state: system.filesystem.state
type: system.filesystem.type
mode: system.filesystem.mode
mountpoint: system.filesystem.mountpoint
apply_to_metrics:
- system.filesystem.usage
- system.filesystem.utilization
- rename_attributes:
attribute_map:
device: system.device
direction: system.network.direction
protocol: network.protocol
state: system.network.state
apply_to_metrics:
- system.network.dropped
- system.network.packets
- system.network.errors
- system.network.io
- system.network.connections
- rename_attributes:
attribute_map:
status: system.processes.status
apply_to_metrics:
- system.processes.count
1.21.0:
spans:
changes: