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Snapshot Trends And Freshness
MonitoringSnapshot.swift defines the shared data model, trend ranges, freshness states, trend points, process activity snapshots, and top-process snapshot containers.
The app uses freshness classification to distinguish waiting, live, delayed, and stale samples. That matters because a system monitor is worse than useless when stale numbers look live. Dashboard and menu bar surfaces should surface last-update and cadence context when telemetry lags.
Trend series cover short and longer windows so users can interpret sustained load instead of only a point-in-time reading. CPU temperature, GPU temperature, total power, primary fan speed, memory usage, swap usage, and network throughput all fit the same history model.
When adding a metric, prefer adding it to SystemMonitorSnapshot and the trend model rather than threading individual properties through each UI.
- Home
- Start Here
- Product Overview
- Runtime Architecture
- Monitoring Pipeline
- Fan Control
- Privileged Helper
- Touch Bar
- Release Automation
- Security Model
- File Index (279)
- Every Commit (401)
- Chronological Change Log
- Removed Parts
- All Deleted Paths
- Branches And Tags
- Wiki Manifest
- Start Here
- Product Overview
- Source Map
- Runtime Architecture
- App Startup And Lifecycle
- Dashboard Architecture
- Menu Bar Architecture
- Monitoring Pipeline
- Snapshot Trends And Freshness
- CPU GPU Memory Disk Network
- Battery Power And Thermals
- SMC And Apple Silicon
- Fan Control
- Custom Fan Curves
- Privileged Helper
- XPC Trust Boundary
- Helper Diagnostics
- Touch Bar Architecture
- Touch Bar Customization
- Weather And Location
- Privacy And Permissions
- Onboarding And Help
- Legacy Alerts
- Kernel Panic Weird Mode