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Create line change metrics#12299

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jerop merged 1 commit into
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feat/telemetry-lines-added-removed-metrics
Oct 30, 2025
Merged

Create line change metrics#12299
jerop merged 1 commit into
mainfrom
feat/telemetry-lines-added-removed-metrics

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@jerop

@jerop jerop commented Oct 30, 2025

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Summary

This PR refactors the telemetry metrics for line changes by in a single gemini_cli.lines.changed metric.

Details

The new gemini_cli.lines.changed metric uses a type attribute ("added" or "removed") to differentiate the line changes. This change simplifies the telemetry for line changes.

How to Validate

  1. Checkout branch and build Gemini CLI
  2. Enabled telemetry to your preferred backend
  3. Use Gemini CLI and send a prompt that would modify files
  4. Confirm that the git diff --stat
    image
  5. Confirm that it's the same as metrics in your telemetry dashboard
    image

Pre-Merge Checklist

  • Updated relevant documentation and README (if needed)
  • Added/updated tests (if needed)
  • Noted breaking changes (if any)
  • Validated on required platforms/methods:
    • MacOS
      • npm run
      • npx
      • Docker
      • Podman
      • Seatbelt
    • Windows
      • npm run
      • npx
      • Docker
    • Linux
      • npm run
      • npx
      • Docker

Replaces the separate `gemini_cli.lines.added` and `gemini_cli.lines.removed` counters with a single `gemini_cli.lines.changed` counter.

The new metric uses a `type` attribute ("added" or "removed") to differentiate the line changes. This simplifies the telemetry implementation and aligns with OpenTelemetry best practices for using attributes to reduce metric cardinality.

All related logic in `metrics.ts`, `loggers.ts`, and their corresponding tests have been updated. The documentation in `docs/cli/telemetry.md` has also been updated to reflect this change.
@jerop jerop requested a review from a team as a code owner October 30, 2025 17:52
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Summary of Changes

Hello @jerop, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refactors the telemetry system for tracking line changes within the Gemini CLI. It streamlines the process by replacing several distinct metrics for added and removed lines with a single, unified gemini_cli.lines.changed metric. This new metric leverages a type attribute to differentiate between additions and removals, leading to a more concise and manageable telemetry data structure.

Highlights

  • Telemetry Consolidation: Multiple line change metrics are now consolidated into a single gemini_cli.lines.changed metric.
  • Attribute-based Differentiation: The new metric uses a type attribute ("added" or "removed") to distinguish between different types of line changes.
  • Simplified Reporting: This change simplifies the overall telemetry reporting for line changes, making it more concise and manageable.
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@jerop jerop linked an issue Oct 30, 2025 that may be closed by this pull request
@jerop jerop changed the title refactor(telemetry): consolidate line change metrics Create line change metrics Oct 30, 2025

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Code Review

This pull request refactors the telemetry for line changes, consolidating multiple attributes into a single gemini_cli.lines.changed metric. The changes are well-structured and include updates to documentation and tests. However, I've identified a regression where user-initiated line changes are no longer being tracked. My review includes a suggestion to fix this to ensure no telemetry data is lost.

Comment thread packages/core/src/telemetry/loggers.ts
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Size Change: +800 B (0%)

Total Size: 20.3 MB

ℹ️ View Unchanged
Filename Size Change
./bundle/gemini.js 20.2 MB +800 B (0%)
./bundle/sandbox-macos-permissive-closed.sb 1.03 kB 0 B
./bundle/sandbox-macos-permissive-open.sb 890 B 0 B
./bundle/sandbox-macos-permissive-proxied.sb 1.31 kB 0 B
./bundle/sandbox-macos-restrictive-closed.sb 3.29 kB 0 B
./bundle/sandbox-macos-restrictive-open.sb 3.36 kB 0 B
./bundle/sandbox-macos-restrictive-proxied.sb 3.56 kB 0 B

compressed-size-action

@jerop

jerop commented Oct 30, 2025

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cc @bdmorgan @blanca-delgado-parra

@jerop jerop added this pull request to the merge queue Oct 30, 2025
Merged via the queue into main with commit 135d981 Oct 30, 2025
22 checks passed
@jerop jerop deleted the feat/telemetry-lines-added-removed-metrics branch October 30, 2025 19:03
thacio added a commit to thacio/auditaria that referenced this pull request Oct 31, 2025
@jerop

jerop commented Oct 31, 2025

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/patch preview

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Patch workflow(s) dispatched successfully!

📋 Details:

  • Channels: preview
  • Commit: 135d981e3c187e3cb5114f60b9f92cd72f9e0daa
  • Workflows Created: 1

🔗 Track Progress:

github-actions Bot pushed a commit that referenced this pull request Oct 31, 2025
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🚀 Patch PR Created!

📋 Patch Details:

📝 Next Steps:

  1. Review and approve the hotfix PR: #12368
  2. Once merged, the patch release will automatically trigger
  3. You'll receive updates here when the release completes

🔗 Track Progress:

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🚀 Patch Release Started!

📋 Release Details:

  • Environment: prod
  • Channel: preview → publishing to npm tag preview
  • Version: v0.12.0-preview.6
  • Hotfix PR: Merged ✅
  • Release Branch: release/v0.12.0-preview.6-pr-12299

⏳ Status: The patch release is now running. You'll receive another update when it completes.

🔗 Track Progress:

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Patch Release Complete!

📦 Release Details:

🎉 Status: Your patch has been successfully released and published to npm!

📝 What's Available:

🔗 Links:

cocosheng-g pushed a commit that referenced this pull request May 6, 2026
@sripasg sripasg added the size/m A medium sized PR label Jun 2, 2026
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Feat(telemetry): Create Out-Of-Box Cloud Monitoring Dashboards

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