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.
Collectez et analysez les mesures de performances sur l'appareil et les diagnostics de crash à l'aide de MetricKit. À utiliser lors de la configuration de MXMetricManager, de la gestion de MXMetricPayload ou de MXDiagnosticPayload, du traitement des diagnostics de crash/blocage/écriture sur disque via MXCallStackTree, de l'ajout de métriques de signalisation personnalisées ou du téléchargement de télémétrie vers un backend d'analyse. Source : dpearson2699/swift-ios-skills.