Collect and analyze MetricKit performance metrics and crash diagnostics.
npx skills add https://github.com/femitz/flyby --skill metrickit-femitz
Please help me install this Agent Skill. Skill: metrickit Source: https://github.com/femitz/flyby/tree/main/.agents/skills/metrickit Command: npx skills add https://github.com/femitz/flyby --skill metrickit-femitz
Collect and analyze on-device performance metrics and crash diagnostics from production devices using MetricKit, enabling proactive performance triage and issue diagnosis.
Register a MetricKit subscriber early in your app and begin collecting payloads on-device.
High-intent search queries and answers about installing and using this skill.
You can collect on-device performance metrics and crash diagnostics by subscribing to MXMetricManager early in the app lifecycle. This allows your app to receive MXMetricPayload and MXDiagnosticPayload data directly from production devices for performance triage.
MetricKit handles call stack trees by providing MXCallStackTree data within MXDiagnosticPayload objects. You can access these call stacks to diagnose application hangs, crashes, and performance issues directly from on-device telemetry.
To subscribe to MXMetricManager, you must register a MetricKit subscriber early in your app's lifecycle. This setup ensures your code begins processing incoming MXMetricPayload and MXDiagnosticPayload objects for telemetry collection.
Yes, you can integrate custom signpost metrics with MetricKit diagnostic data. The Skill helps you emit custom signpost metrics for key events and combine them with MXDiagnosticPayload information for comprehensive backend analysis.
The best way to export MetricKit telemetry for backend analysis is to process the incoming payloads, persist the data as JSON, and then forward the serialized JSON files to your analytics backend for proactive performance triage.
MetricKit is designed specifically for diagnosing performance issues on production devices. It collects on-device metrics and crash diagnostics, enabling you to access call stack trees and export telemetry for issue diagnosis.
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