243 lines
8.8 KiB
Swift
243 lines
8.8 KiB
Swift
import Darwin
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import Foundation
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import Localization
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import SMC
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public struct CPUCluster: Sendable, Equatable, Identifiable {
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/// 保留系统报告的核心类型，界面说明不依赖本地化名称或机型猜测。
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public enum Kind: Sendable {
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case superCore, performance, efficiency, unknown
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init(systemName: String) {
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switch systemName.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() {
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case "super": self = .superCore
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case "performance": self = .performance
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case "efficiency": self = .efficiency
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default: self = .unknown
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}
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}
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}
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public let id: Int // perflevel 序号，0 为最高性能档
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public let name: String // 超级核 / 性能核 / 能效核
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public let coreIndices: [Int] // 对应 host_processor_info 的核心序号
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public let kind: Kind
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init(id: Int, name: String, coreIndices: [Int], kind: Kind = .unknown) {
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self.id = id
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self.name = name
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self.coreIndices = coreIndices
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self.kind = kind
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}
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}
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public struct CPUTopology: Sendable, Equatable {
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public let brand: String
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public let logicalCores: Int
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public let clusters: [CPUCluster]
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}
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public struct CPULoad: Sendable, Equatable {
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public var total: Double
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public var user: Double
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public var system: Double
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public var perCore: [Double]
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public var loadAverage: [Double]
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/// macOS 系统热状态，与传感器温度独立；没有采样时不假定为正常。
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public var thermalState: ProcessInfo.ThermalState? = nil
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}
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public enum MemoryPressure: Int, Sendable {
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case normal = 1, warning = 2, critical = 4
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public var title: String {
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switch self {
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case .normal: tr("正常")
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case .warning: tr("偏高")
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case .critical: tr("严重")
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}
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}
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}
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public struct MemoryUsage: Sendable, Equatable {
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public var total: UInt64
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public var app: UInt64
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public var wired: UInt64
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public var compressed: UInt64
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public var cached: UInt64
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public var swapUsed: UInt64
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public var swapTotal: UInt64
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public var pressure: MemoryPressure
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/// 被压缩的内容原本的大小；与 compressed 之差就是压缩省下的内存
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public var uncompressed: UInt64
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/// 开机以来从交换区换入 / 换出的累计字节数，用相邻两次采样算速率
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public var swapInBytes: UInt64
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public var swapOutBytes: UInt64
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public var used: UInt64 { app + wired + compressed }
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public var usedFraction: Double { total == 0 ? 0 : min(1, Double(used) / Double(total)) }
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public var available: UInt64 { total > used ? total - used : 0 }
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/// 空闲 = 总量 - 已用 - 缓存文件
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public var free: UInt64 { total > used + cached ? total - used - cached : 0 }
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public var compressionSavings: UInt64 { uncompressed > compressed ? uncompressed - compressed : 0 }
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public var compressionRatio: Double? { compressed > 0 && uncompressed > 0 ? Double(uncompressed) / Double(compressed) : nil }
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}
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public struct NetworkInterfaceInfo: Sendable, Equatable {
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public var bsdName: String
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public var displayName: String
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public var ipv4: String?
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}
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public struct NetworkRate: Sendable, Equatable {
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public var downloadBytesPerSecond: Double
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public var uploadBytesPerSecond: Double
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public var totalDownloaded: UInt64
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public var totalUploaded: UInt64
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}
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public struct DiskUsage: Sendable, Equatable {
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public var volumeName: String
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public var total: UInt64
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/// 可用空间，包含系统可随时清除的缓存，与访达显示一致
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public var available: UInt64
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/// 可用空间里可清除的那部分
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public var purgeable: UInt64
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public init(volumeName: String, total: UInt64, available: UInt64, purgeable: UInt64 = 0) {
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self.volumeName = volumeName
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self.total = total
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self.available = available
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self.purgeable = min(purgeable, available)
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}
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public var used: UInt64 { total > available ? total - available : 0 }
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public var usedFraction: Double { total == 0 ? 0 : Double(used) / Double(total) }
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/// 不含可清除部分的真正空闲空间
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public var free: UInt64 { available - purgeable }
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public var purgeableFraction: Double { total == 0 ? 0 : Double(purgeable) / Double(total) }
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public var freeFraction: Double { total == 0 ? 0 : Double(free) / Double(total) }
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}
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public struct BatteryStatus: Sendable, Equatable {
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public var level: Double // 0...1
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public var isCharging: Bool
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public var isPluggedIn: Bool
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public var isFullyCharged: Bool
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public var minutesRemaining: Int? // 放电剩余或充满所需时间
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public var cycleCount: Int?
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public var health: Double? // 0...1
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public var adapterWatts: Int?
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}
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public struct GPUUsage: Sendable, Equatable {
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public var name: String
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public var utilization: Double // 0...1
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public var coreCount: Int?
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}
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public struct ProcessUsage: Sendable, Equatable, Identifiable {
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public var id: Int32 { pid }
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public let pid: Int32
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public let name: String
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public let executablePath: String?
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public let appBundlePath: String?
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public var cpu: Double // 以单核为 100%，与活动监视器一致
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public var memory: UInt64 // 自己的进程为 phys_footprint；其他用户的进程为常驻内存
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public var uid: UInt32 = 0
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public var userName: String = ""
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/// 累计 CPU 时间（秒）
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public var cpuTime: Double = 0
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/// 以下只有当前用户自己的进程能读到
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public var threads: Int?
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public var idleWakeups: Double? // 每秒
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public var diskRead: Double? // 字节 / 秒
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public var diskWrite: Double?
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/// 是否属于当前用户：可以读取详细数据，也可以结束
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public var isOwned: Bool = true
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public init(pid: Int32, name: String, executablePath: String?, appBundlePath: String?, cpu: Double, memory: UInt64) {
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self.pid = pid
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self.name = name
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self.executablePath = executablePath
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self.appBundlePath = appBundlePath
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self.cpu = cpu
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self.memory = memory
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}
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}
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/// 全系统的进程数与线程数（包括无权读取详情的系统进程）
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public struct SystemCounts: Sendable, Equatable {
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public var processes: Int
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public var threads: Int
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public static func read() -> SystemCounts? {
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var set: processor_set_name_t = 0
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guard processor_set_default(mach_host_self(), &set) == KERN_SUCCESS else { return nil }
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var load = processor_set_load_info()
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var count = mach_msg_type_number_t(MemoryLayout<processor_set_load_info>.size / MemoryLayout<integer_t>.size)
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let result = withUnsafeMutablePointer(to: &load) {
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$0.withMemoryRebound(to: integer_t.self, capacity: Int(count)) {
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processor_set_statistics(set, PROCESSOR_SET_LOAD_INFO, $0, &count)
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}
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}
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guard result == KERN_SUCCESS else { return nil }
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return SystemCounts(processes: Int(load.task_count), threads: Int(load.thread_count))
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}
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}
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public struct TemperatureSummary: Sendable, Equatable, Identifiable {
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public var id: TemperatureGroup { group }
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public let group: TemperatureGroup
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public var average: Double
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public var maximum: Double
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public var sensorCount: Int
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}
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public struct SensorReadings: Sendable, Equatable {
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public var temperatures: [TemperatureSummary]
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public var fans: [FanState]
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/// nil 表示数量读取失败或未知，0 才表示确认无风扇。
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public var fanCount: Int?
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public init(temperatures: [TemperatureSummary], fans: [FanState], fanCount: Int? = nil) {
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self.temperatures = temperatures
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self.fans = fans
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self.fanCount = fanCount
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}
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public func temperature(_ group: TemperatureGroup) -> TemperatureSummary? {
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temperatures.first { $0.group == group }
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}
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}
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public struct SystemInfo: Sendable, Equatable {
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public var modelName: String
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public var osVersion: String
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public var bootDate: Date?
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/// 例如 “Mac17,6”
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public var modelIdentifier: String = ""
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/// 系统版号，例如 “26A428”
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public var osBuild: String = ""
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public var serialNumber: String?
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}
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public struct MetricsSnapshot: Sendable {
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public var date = Date()
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public var cpu: CPULoad?
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public var memory: MemoryUsage?
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public var network: NetworkRate?
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public var networkInterface: NetworkInterfaceInfo?
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public var disk: DiskUsage?
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public var battery: BatteryStatus?
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public var gpu: GPUUsage?
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public var processes: [ProcessUsage]?
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public var systemCounts: SystemCounts?
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public var sensors: SensorReadings?
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public var power: PowerReading?
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public var diskActivity: DiskActivity?
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public var diskHealth: DiskHealth?
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public init() {}
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}
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