VAgent Code Assist Performance Monitor

This Visual Studio Code extension is designed to help you monitor the performance of your AI coding assistant, VAgent Code Assist. It provides real-time latency measurements, tracks memory usage of the extension host, and generates detailed reports with charts.

Features

Real-Time Performance Monitoring

The extension adds a status bar item to the bottom right of your VS Code window that displays the real-time latency of Code Assist's suggestions during manual typing.

Performance Report & Analysis

Run the Code Assist Performance: Show Performance Report command to open a detailed Webview report. The report includes:

• Latency Metrics: Average, minimum, and maximum suggestion latency.

• Visual Analysis: Time-series charts plotting latency, Resident Set Size (RSS), and Heap Used memory.

• Memory Analysis: A table of recorded memory usage over time, including a heuristic analysis for potential memory leaks.

  Record and Playback

Use the record and playback feature to gather a consistent, reproducible set of performance data for reliable analysis.

• Start Recording: Clears all previous data and begins a new session.

• Playback Session: Automatically runs 5 controlled code generation events with a delay between each, recording metrics for every event.

  Git Sync Performance

Measure the performance of your Git sync operations to monitor network and merge efficiency.

• The Code Assist Performance: Git Sync command executes a full git.sync, records the elapsed time, and includes this data in your reports.

  Integrated Debugging Tools

Quickly access critical low-level tools for deeper diagnostics:

• Open Process Explorer: Opens VS Code's built-in process manager to manually inspect the real-time CPU and Memory usage of the individual Gemini Code Assist process and the overall Extension Host to export the head dumps

• Open Webview Profiler: Opens the Chromium DevTools specifically for the report's charts, useful for debugging performance issues in the reporting UI.

  HTML Export

The Code Assist Performance: Export Report to HTML command allows you to save the entire generated report (including charts) as a single, shareable HTML file.

How to Use

1. Start a Recording: Open the Command Palette and run Code Assist Performance: Start Recording.
2. Generate Data: Use one of the following methods to create performance data:
   • Playback Session: Run the Code Assist Performance: Playback Session command to automatically run a series of tests.
   • Git Sync: Run the Code Assist Performance: Git Sync command to measure repository sync performance (requires an initialized Git repo with a remote).
   • Manual Typing: Simply type in an editor and observe the status bar.
3. View and Export the Report: Run either Code Assist Performance: Show Performance Report to view it in a webview or Code Assist Performance: Export Report to HTML to save it as a file.