add process.parent_pid attribute (#2691)

Co-authored-by: Armin Ruech <[email protected]>
open-telemetry · Jul 28, 2022 · fca9616 · fca9616
1 parent 298c566
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diff --git a/semantic_conventions/resource/process.yaml b/semantic_conventions/resource/process.yaml
@@ -10,6 +10,11 @@ groups:
         brief: >
           Process identifier (PID).
         examples: [1234]
+      - id: parent_pid
+        type: int
+        brief: >
+          Parent Process identifier (PID).
+        examples: [111]
       - id: executable.name
         type: string
         requirement_level:

diff --git a/specification/resource/semantic_conventions/process.md b/specification/resource/semantic_conventions/process.md
@@ -28,6 +28,7 @@
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `process.pid` | int | Process identifier (PID). | `1234` | Recommended |
+| `process.parent_pid` | int | Parent Process identifier (PID). | `111` | Recommended |
 | `process.executable.name` | string | The name of the process executable. On Linux based systems, can be set to the `Name` in `proc/[pid]/status`. On Windows, can be set to the base name of `GetProcessImageFileNameW`. | `otelcol` | Conditionally Required: See alternative attributes below. |
 | `process.executable.path` | string | The full path to the process executable. On Linux based systems, can be set to the target of `proc/[pid]/exe`. On Windows, can be set to the result of `GetProcessImageFileNameW`. | `/usr/bin/cmd/otelcol` | Conditionally Required: See alternative attributes below. |
 | `process.command` | string | The command used to launch the process (i.e. the command name). On Linux based systems, can be set to the zeroth string in `proc/[pid]/cmdline`. On Windows, can be set to the first parameter extracted from `GetCommandLineW`. | `cmd/otelcol` | Conditionally Required: See alternative attributes below. |