Collect aggregated performance metrics and crash diagnostics from production devices using MetricKit. The framework delivers daily metric payloads (CPU, memory, launch time, hang rate, animation hitches, network usage) and immediate diagnostic payloads (crashes, hangs, disk-write exceptions) with full call-stack trees for triage.
Register a subscriber as early as possible — ideally in application(:didFinishLaunchingWithOptions:) or App.init. MetricKit starts accumulating reports after the first access to MXMetricManager.shared.
MXMetricPayload arrives approximately once per 24 hours containing aggregated metrics. The array may contain multiple payloads if prior deliveries were missed.
Sammeln und analysieren Sie mit MetricKit Leistungsmetriken und Absturzdiagnosen auf dem Gerät. Verwenden Sie diese Option, wenn Sie MXMetricManager einrichten, MXMetricPayload oder MXDiagnosticPayload verarbeiten, Absturz-/Hang-/Disk-Write-Diagnosen über MXCallStackTree verarbeiten, benutzerdefinierte Signpost-Metriken hinzufügen oder Telemetriedaten in ein Analyse-Backend hochladen. Quelle: dpearson2699/swift-ios-skills.