Frequency and Timeout settings

DynamicIsland/Localizable.xcstrings

@@ -5614,6 +5614,9 @@
           }
         }
       }
+    },
+    "Controls how often system metrics refresh while monitoring is active." : {
+
     },
     "Copy event link" : {
       "comment" : "A tooltip for a button that copies the link of a reminder event to the clipboard.",
@@ -9617,6 +9620,9 @@
           }
         }
       }
+    },
+    "High-frequency updates without a timeout can increase battery usage." : {
+
     },
     "History Size" : {
       "localizations" : {
@@ -12581,6 +12587,9 @@
     },
     "Monitor clipboard changes and keep a history of recent copies. Use Cmd+Shift+V to quickly access clipboard history." : {
 
+    },
+    "Monitoring Behavior" : {
+
     },
     "Monitoring Status" : {
       "localizations" : {
@@ -15677,6 +15686,9 @@
           }
         }
       }
+    },
+    "Sampling can continue while the notch is closed when the timeout is disabled." : {
+
     },
     "Save" : {
       "localizations" : {
@@ -17864,6 +17876,9 @@
           }
         }
       }
+    },
+    "Stats update interval" : {
+
     },
     "Status & Actions" : {
       "localizations" : {
@@ -19121,6 +19136,9 @@
           }
         }
       }
+    },
+    "Update interval" : {
+
     },
     "Update Timer" : {
       "extractionState" : "stale",
@@ -19955,6 +19973,9 @@
     },
     "When disabled, all keyboard shortcuts will be inactive. You can still use the UI controls." : {
 
+    },
+    "When enabled, stats monitoring stops a few seconds after the notch closes." : {
+
     },
     "When enabled, the Dynamic Island will expand horizontally to match the animation size" : {
 

DynamicIsland/components/Settings/SettingsView.swift

@@ -2260,6 +2260,8 @@ private struct TimerPresetComponentControl: View {
 struct StatsSettings: View {
     @ObservedObject var statsManager = StatsManager.shared
     @Default(.enableStatsFeature) var enableStatsFeature
+    @Default(.statsStopWhenNotchCloses) var statsStopWhenNotchCloses
+    @Default(.statsUpdateInterval) var statsUpdateInterval
     @Default(.showCpuGraph) var showCpuGraph
     @Default(.showMemoryGraph) var showMemoryGraph
     @Default(.showGpuGraph) var showGpuGraph
@@ -2271,6 +2273,21 @@ struct StatsSettings: View {
         [showCpuGraph, showMemoryGraph, showGpuGraph, showNetworkGraph, showDiskGraph].filter { $0 }.count
     }
 
+    private var formattedUpdateInterval: String {
+        let seconds = Int(statsUpdateInterval.rounded())
+        if seconds >= 60 {
+            return "60 s (1 min)"
+        } else if seconds == 1 {
+            return "1 s"
+        } else {
+            return "\(seconds) s"
+        }
+    }
+
+    private var shouldShowStatsBatteryWarning: Bool {
+        !statsStopWhenNotchCloses && statsUpdateInterval <= 5
+    }
+    
     var body: some View {
         Form {
             Section {
@@ -2302,6 +2319,45 @@ struct StatsSettings: View {
             }
             
             if enableStatsFeature {
+                Section {
+                    Defaults.Toggle("Stop monitoring after closing the notch", key: .statsStopWhenNotchCloses)
+                        .help("When enabled, stats monitoring stops a few seconds after the notch closes.")
+
+                    VStack(alignment: .leading, spacing: 8) {
+                        HStack {
+                            Text("Update interval")
+                            Spacer()
+                            Text(formattedUpdateInterval)
+                                .foregroundStyle(.secondary)
+                        }
+
+                        Slider(value: $statsUpdateInterval, in: 1...60, step: 1)
+                            .accessibilityLabel("Stats update interval")
+
+                        Text("Controls how often system metrics refresh while monitoring is active.")
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                    }
+
+                    if shouldShowStatsBatteryWarning {
+                        Label {
+                            Text("High-frequency updates without a timeout can increase battery usage.")
+                        } icon: {
+                            Image(systemName: "exclamationmark.triangle.fill")
+                        }
+                        .font(.caption)
+                        .foregroundStyle(.orange)
+                        .padding(.top, 4)
+                    }
+                } header: {
+                    Text("Monitoring Behavior")
+                } footer: {
+                    Text("Sampling can continue while the notch is closed when the timeout is disabled.")
+                        .multilineTextAlignment(.trailing)
+                        .foregroundStyle(.secondary)
+                        .font(.caption)
+                }
+
                 Section {
                     Defaults.Toggle("CPU Usage", key: .showCpuGraph)
                     Defaults.Toggle("Memory Usage", key: .showMemoryGraph) 

DynamicIsland/managers/StatsManager.swift

@@ -7,6 +7,7 @@
 
 import Foundation
 import Combine
+import Defaults
 import SwiftUI
 import IOKit
 import IOKit.ps
@@ -442,6 +443,11 @@ class StatsManager: ObservableObject {
     private var isProcessRefreshInFlight = false
     private let gpuCollector = GPUInfoCollector()
     private let cpuSensorCollector = CPUSensorCollector()
+    private var cancellables = Set<AnyCancellable>()
+    private let minUpdateInterval: TimeInterval = 1.0
+    private let maxUpdateInterval: TimeInterval = 60.0
+    private let notchCloseStopDelay: TimeInterval = 3.0
+    private let tabSwitchStopDelay: TimeInterval = 0.1
     
     // MARK: - Initialization
     private init() {
@@ -462,6 +468,23 @@ class StatsManager: ObservableObject {
         // Initialize baseline disk stats
         let initialDiskStats = getDiskStats()
         previousDiskStats = initialDiskStats
+
+        Defaults.publisher(.statsUpdateInterval, options: []).sink { [weak self] change in
+            self?.handleUpdateIntervalChange(change.newValue)
+        }.store(in: &cancellables)
+
+        Defaults.publisher(.statsStopWhenNotchCloses, options: []).sink { [weak self] change in
+            guard let self else { return }
+
+            if change.newValue {
+                if self.isMonitoring && self.lastNotchState == "closed" {
+                    self.scheduleDelayedStop(after: self.notchCloseStopDelay)
+                }
+            } else {
+                self.delayedStopTimer?.invalidate()
+                self.delayedStopTimer = nil
+            }
+        }.store(in: &cancellables)
     }
     
     deinit {
@@ -495,12 +518,14 @@ class StatsManager: ObservableObject {
                 }
             }
         } else {
-            // Stop monitoring after 3 seconds (when notch is closed or stats tab is not active)
-            let delay = notchIsOpen ? 0.1 : 3.0 // Stop quickly when switching tabs, slowly when closing notch
-            delayedStopTimer = Timer.scheduledTimer(withTimeInterval: delay, repeats: false) { [weak self] _ in
-                DispatchQueue.main.async {
-                    self?.stopMonitoring()
+            if notchIsOpen && currentView != "stats" {
+                scheduleDelayedStop(after: tabSwitchStopDelay)
+            } else if !notchIsOpen {
+                if Defaults[.statsStopWhenNotchCloses] {
+                    scheduleDelayedStop(after: notchCloseStopDelay)
                 }
+            } else {
+                scheduleDelayedStop(after: tabSwitchStopDelay)
             }
         }
     }
@@ -525,14 +550,11 @@ class StatsManager: ObservableObject {
         networkTotals = .zero
         diskTotals = .zero
         
-        // Start periodic monitoring (every 1 second)
-        monitoringTimer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { [weak self] _ in
-            guard let self = self else { return }
+        scheduleMonitoringTimer()
 
         Task { @MainActor in
             self.updateSystemStats()
         }
-        }
         
         print("StatsManager: Monitoring started")
     }
@@ -569,6 +591,59 @@ class StatsManager: ObservableObject {
         cpuFrequency = nil
     }
 
+    private func scheduleMonitoringTimer() {
+        monitoringTimer?.invalidate()
+
+        let configuredInterval = Defaults[.statsUpdateInterval]
+        let interval = validatedUpdateInterval(configuredInterval)
+
+        if abs(interval - configuredInterval) > 0.0001 {
+            Defaults[.statsUpdateInterval] = interval
+        }
+
+        monitoringTimer = Timer.scheduledTimer(withTimeInterval: interval, repeats: true) { [weak self] _ in
+            guard let self = self else { return }
+
+            Task { @MainActor in
+                self.updateSystemStats()
+            }
+        }
+    }
+
+    private func handleUpdateIntervalChange(_ newValue: Double) {
+        let interval = validatedUpdateInterval(newValue)
+
+        if abs(interval - newValue) > 0.0001 {
+            Defaults[.statsUpdateInterval] = interval
+            return
+        }
+
+        guard isMonitoring else { return }
+
+        DispatchQueue.main.async { [weak self] in
+            self?.scheduleMonitoringTimer()
+        }
+    }
+
+    private func validatedUpdateInterval(_ value: Double) -> TimeInterval {
+        min(max(value, minUpdateInterval), maxUpdateInterval)
+    }
+
+    private func scheduleDelayedStop(after delay: TimeInterval) {
+        guard delay > 0 else {
+            stopMonitoring()
+            return
+        }
+
+        delayedStopTimer?.invalidate()
+
+        delayedStopTimer = Timer.scheduledTimer(withTimeInterval: delay, repeats: false) { [weak self] _ in
+            DispatchQueue.main.async {
+                self?.stopMonitoring()
+            }
+        }
+    }
+    
     // MARK: - Private Methods
     @MainActor
     private func updateSystemStats() {

DynamicIsland/models/Constants.swift

@@ -446,6 +446,8 @@ extension Defaults.Keys {
     // MARK: Stats Feature
     static let enableStatsFeature = Key<Bool>("enableStatsFeature", default: false)
     static let autoStartStatsMonitoring = Key<Bool>("autoStartStatsMonitoring", default: true)
+    static let statsStopWhenNotchCloses = Key<Bool>("statsStopWhenNotchCloses", default: false)
+    static let statsUpdateInterval = Key<Double>("statsUpdateInterval", default: 1.0)
     static let showCpuGraph = Key<Bool>("showCpuGraph", default: true)
     static let showMemoryGraph = Key<Bool>("showMemoryGraph", default: true)
     static let showGpuGraph = Key<Bool>("showGpuGraph", default: true)