Your AI Agent Keeps Missing The Real Bottleneck. JetBrains Rider Can Fix It Now.
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JetBrains has introduced a new `dottrace-analyze` profiling skill for AI Assistant in Rider 2026.2 EAP 8, allowing AI agents to analyze dotTrace `.dtp` snapshots instead of guessing at performance bottlenecks from source code alone. Benchmark results across 80 runs and 8 .NET scenarios show average accuracy improving from 4.71 to 8.15 out of 10. In the most dramatic case — an Avalonia UI freeze — the agent scored 1.6/10 without the skill and 10/10 on every run with it. The skill works by loading profiler data, walking call trees, and anchoring the agent's investigation to measured runtime evidence rather than code smell heuristics. Cost analysis shows the skill sometimes increases per-run cost (~$0.70 more) but can also reduce it by eliminating unproductive broad code searches. The feature is available now in Rider 2026.2 EAP 8 and requires a dotUltimate or All Products Pack subscription for full use.
