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feat(telemetry) Instrument traces with more attributes and make them available to OTEL users (#20237)

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Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: Jerop Kipruto <jerop@google.com>
Co-authored-by: MD. MOHIBUR RAHMAN <35300157+mrpmohiburrahman@users.noreply.github.com>
Co-authored-by: Jeffrey Ying <jeffrey.ying86@live.com>
Co-authored-by: Bryan Morgan <bryanmorgan@google.com>
Co-authored-by: joshualitt <joshualitt@google.com>
Co-authored-by: Dev Randalpura <devrandalpura@google.com>
Co-authored-by: Google Admin <github-admin@google.com>
Co-authored-by: Ben Knutson <benknutson@google.com>
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heaventourist
2026-02-26 18:26:16 -08:00
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docs/cli/telemetry.md
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@@ -176,11 +176,12 @@ Sends telemetry directly to Google Cloud services. No collector needed.
}
```
2. Run Gemini CLI and send prompts.
3. View logs and metrics:
3. View logs, metrics, and traces:
- Open the Google Cloud Console in your browser after sending prompts:
- Logs: https://console.cloud.google.com/logs/
- Metrics: https://console.cloud.google.com/monitoring/metrics-explorer
- Traces: https://console.cloud.google.com/traces/list
- Logs (Logs Explorer): https://console.cloud.google.com/logs/
- Metrics (Metrics Explorer):
https://console.cloud.google.com/monitoring/metrics-explorer
- Traces (Trace Explorer): https://console.cloud.google.com/traces/list
### Collector-based export (advanced)
@@ -208,11 +209,12 @@ forward data to Google Cloud.
- Save collector logs to `~/.gemini/tmp/<projectHash>/otel/collector-gcp.log`
- Stop collector on exit (e.g. `Ctrl+C`)
3. Run Gemini CLI and send prompts.
4. View logs and metrics:
4. View logs, metrics, and traces:
- Open the Google Cloud Console in your browser after sending prompts:
- Logs: https://console.cloud.google.com/logs/
- Metrics: https://console.cloud.google.com/monitoring/metrics-explorer
- Traces: https://console.cloud.google.com/traces/list
- Logs (Logs Explorer): https://console.cloud.google.com/logs/
- Metrics (Metrics Explorer):
https://console.cloud.google.com/monitoring/metrics-explorer
- Traces (Trace Explorer): https://console.cloud.google.com/traces/list
- Open `~/.gemini/tmp/<projectHash>/otel/collector-gcp.log` to view local
collector logs.
@@ -270,10 +272,10 @@ For local development and debugging, you can capture telemetry data locally:
3. View traces at http://localhost:16686 and logs/metrics in the collector log
file.
## Logs and metrics
## Logs, metrics, and traces
The following section describes the structure of logs and metrics generated for
Gemini CLI.
The following section describes the structure of logs, metrics, and traces
generated for Gemini CLI.
The `session.id`, `installation.id`, `active_approval_mode`, and `user.email`
(available only when authenticated with a Google account) are included as common
@@ -824,6 +826,32 @@ Optional performance monitoring for startup, CPU/memory, and phase timing.
- `current_value` (number)
- `baseline_value` (number)
### Traces
Traces offer a granular, "under-the-hood" view of every agent and backend
operation. By providing a high-fidelity execution map, they enable precise
debugging of complex tool interactions and deep performance optimization. Each
trace captures rich, consistent metadata via custom span attributes:
- `gen_ai.operation.name` (string): The high-level operation kind (e.g.
"tool_call", "llm_call").
- `gen_ai.agent.name` (string): The service agent identifier ("gemini-cli").
- `gen_ai.agent.description` (string): The service agent description.
- `gen_ai.input.messages` (string): Input messages or metadata specific to the
operation.
- `gen_ai.output.messages` (string): Output messages or metadata generated from
the operation.
- `gen_ai.request.model` (string): The request model name.
- `gen_ai.response.model` (string): The response model name.
- `gen_ai.system_instructions` (json string): The system instructions.
- `gen_ai.prompt.name` (string): The prompt name.
- `gen_ai.tool.name` (string): The executed tool's name.
- `gen_ai.tool.call_id` (string): The generated specific ID of the tool call.
- `gen_ai.tool.description` (string): The executed tool's description.
- `gen_ai.tool.definitions` (json string): The executed tool's description.
- `gen_ai.conversation.id` (string): The current CLI session ID.
- Additional user-defined Custom Attributes passed via the span's configuration.
#### GenAI semantic convention
The following metrics comply with [OpenTelemetry GenAI semantic conventions] for