Fix units of process.open_file_descriptor.count and process.context_s…

…witches (#1797)

Signed-off-by: ChrsMark <[email protected]>

.chloggen/fix_process_units.yaml

@@ -0,0 +1,22 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: process
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Fix units of process.open_file_descriptor.count and process.context_switches
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [1662]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

docs/system/process-metrics.md

@@ -265,7 +265,7 @@ This metric is [recommended][MetricRecommended].
 
 | Name     | Instrument Type | Unit (UCUM) | Description    | Stability |
 | -------- | --------------- | ----------- | -------------- | --------- |
-| `process.open_file_descriptor.count` | UpDownCounter | `{count}` | Number of file descriptors in use by the process. | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `process.open_file_descriptor.count` | UpDownCounter | `{file_descriptor}` | Number of file descriptors in use by the process. | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 
 <!-- markdownlint-restore -->
 <!-- prettier-ignore-end -->
@@ -285,7 +285,7 @@ This metric is [recommended][MetricRecommended].
 
 | Name     | Instrument Type | Unit (UCUM) | Description    | Stability |
 | -------- | --------------- | ----------- | -------------- | --------- |
-| `process.context_switches` | Counter | `{count}` | Number of times the process has been context switched. | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `process.context_switches` | Counter | `{context_switch}` | Number of times the process has been context switched. | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 
 | Attribute  | Type | Description  | Examples  | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Stability |
 |---|---|---|---|---|---|

model/process/metrics.yaml

@@ -81,15 +81,15 @@ groups:
     stability: experimental
     brief: "Number of file descriptors in use by the process."
     instrument: updowncounter
-    unit: "{count}"
+    unit: "{file_descriptor}"
 
   - id: metric.process.context_switches
     type: metric
     metric_name: process.context_switches
     stability: experimental
     brief: "Number of times the process has been context switched."
     instrument: counter
-    unit: "{count}"
+    unit: "{context_switch}"
     attributes:
       - ref: process.context_switch_type