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feat(telemetry): performance monitoring dashboard with cost estimation and export#21262

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SUNDRAM07 wants to merge 1 commit into
google-gemini:mainfrom
SUNDRAM07:feat/perf-dashboard-gsoc
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feat(telemetry): performance monitoring dashboard with cost estimation and export#21262
SUNDRAM07 wants to merge 1 commit into
google-gemini:mainfrom
SUNDRAM07:feat/perf-dashboard-gsoc

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@SUNDRAM07

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GSoC 2026 — Idea #5: Performance Monitoring Dashboard (PoC)

What this adds:

  • PerformanceCollector — P50/P90/P99 latency per model, v8 heap utilization, token efficiency, optimization suggestions
  • CostEstimator — Per-model Gemini pricing, cache savings, cheaper-model recommendations
  • PerformanceExporter — JSON (CI pipelines) + Markdown (human reports) with section filtering

Testing: 42/42 tests passing, core build clean

Related: #20009 (GSoC Idea #5 discussion)

…n and export

- PerformanceCollector: latency P50/P90/P99 percentiles, token efficiency,
  v8 heap utilization, startup phase analysis, optimization suggestions
- CostEstimator: per-model token cost tracking for Gemini 2.0/2.5/3,
  cache savings calculation, cheapest-model recommendations
- PerformanceExporter: JSON export (CI pipelines) and Markdown export
  (human-readable reports) with configurable sections
- 42 tests across 3 test files, all passing
- Exported from telemetry/index.ts

GSoC 2026 Idea google-gemini#5 proof-of-concept
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github-actions Bot commented Mar 5, 2026

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