mirror of
https://github.com/morgan9e/macos-stats
synced 2026-04-14 00:04:15 +09:00
243 lines
9.1 KiB
Swift
243 lines
9.1 KiB
Swift
//
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// readers.swift
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// CPU
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//
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// Created by Serhiy Mytrovtsiy on 10/04/2020.
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// Using Swift 5.0.
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// Running on macOS 10.15.
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//
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// Copyright © 2020 Serhiy Mytrovtsiy. All rights reserved.
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//
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import Cocoa
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import StatsKit
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import ModuleKit
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import os.log
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internal class LoadReader: Reader<CPU_Load> {
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public var store: UnsafePointer<Store>? = nil
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private var cpuInfo: processor_info_array_t!
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private var prevCpuInfo: processor_info_array_t?
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private var numCpuInfo: mach_msg_type_number_t = 0
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private var numPrevCpuInfo: mach_msg_type_number_t = 0
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private var numCPUs: uint = 0
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private let CPUUsageLock: NSLock = NSLock()
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private var previousInfo = host_cpu_load_info()
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private var hasHyperthreadingCores = false
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private var response: CPU_Load = CPU_Load()
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private var numCPUsU: natural_t = 0
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private var usagePerCore: [Double] = []
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public override func setup() {
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self.hasHyperthreadingCores = SysctlByName("hw.physicalcpu") != SysctlByName("hw.logicalcpu")
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[CTL_HW, HW_NCPU].withUnsafeBufferPointer() { mib in
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var sizeOfNumCPUs: size_t = MemoryLayout<uint>.size
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let status = sysctl(processor_info_array_t(mutating: mib.baseAddress), 2, &numCPUs, &sizeOfNumCPUs, nil, 0)
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if status != 0 {
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self.numCPUs = 1
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}
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}
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}
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public override func read() {
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let result: kern_return_t = host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &self.numCPUsU, &self.cpuInfo, &self.numCpuInfo)
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if result == KERN_SUCCESS {
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self.CPUUsageLock.lock()
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self.usagePerCore = []
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for i in 0 ..< Int32(numCPUs) {
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var inUse: Int32
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var total: Int32
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if let prevCpuInfo = self.prevCpuInfo {
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inUse = self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_USER)]
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- prevCpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_USER)]
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+ self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_SYSTEM)]
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- prevCpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_SYSTEM)]
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+ self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_NICE)]
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- prevCpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_NICE)]
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total = inUse + (self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_IDLE)]
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- prevCpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_IDLE)])
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} else {
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inUse = self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_USER)]
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+ self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_SYSTEM)]
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+ self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_NICE)]
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total = inUse + self.cpuInfo[Int(CPU_STATE_MAX * i + CPU_STATE_IDLE)]
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}
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if total != 0 {
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self.usagePerCore.append(Double(inUse) / Double(total))
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}
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}
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self.CPUUsageLock.unlock()
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let showHyperthratedCores = self.store?.pointee.bool(key: "CPU_hyperhreading", defaultValue: false) ?? false
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if showHyperthratedCores || !self.hasHyperthreadingCores {
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self.response.usagePerCore = self.usagePerCore
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} else {
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var i = 0
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var a = 0
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self.response.usagePerCore = []
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while i < Int(self.usagePerCore.count/2) {
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a = i*2
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if self.usagePerCore.indices.contains(a) && self.usagePerCore.indices.contains(a+1) {
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self.response.usagePerCore.append((Double(self.usagePerCore[a]) + Double(self.usagePerCore[a+1])) / 2)
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}
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i += 1
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}
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}
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if let prevCpuInfo = self.prevCpuInfo {
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let prevCpuInfoSize: size_t = MemoryLayout<integer_t>.stride * Int(self.numPrevCpuInfo)
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vm_deallocate(mach_task_self_, vm_address_t(bitPattern: prevCpuInfo), vm_size_t(prevCpuInfoSize))
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}
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self.prevCpuInfo = self.cpuInfo
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self.numPrevCpuInfo = self.numCpuInfo
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self.cpuInfo = nil
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self.numCpuInfo = 0
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} else {
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os_log(.error, log: log, "host_processor_info(): %s", "\((String(cString: mach_error_string(result), encoding: String.Encoding.ascii) ?? "unknown error"))")
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}
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let cpuInfo = hostCPULoadInfo()
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if cpuInfo == nil {
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self.callback(nil)
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return
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}
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let userDiff = Double(cpuInfo!.cpu_ticks.0 - self.previousInfo.cpu_ticks.0)
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let sysDiff = Double(cpuInfo!.cpu_ticks.1 - self.previousInfo.cpu_ticks.1)
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let idleDiff = Double(cpuInfo!.cpu_ticks.2 - self.previousInfo.cpu_ticks.2)
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let niceDiff = Double(cpuInfo!.cpu_ticks.3 - self.previousInfo.cpu_ticks.3)
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let totalTicks = sysDiff + userDiff + niceDiff + idleDiff
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let system = sysDiff / totalTicks
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let user = userDiff / totalTicks
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let idle = idleDiff / totalTicks
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if !system.isNaN {
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self.response.systemLoad = system
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}
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if !user.isNaN {
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self.response.userLoad = user
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}
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if !idle.isNaN {
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self.response.idleLoad = idle
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}
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self.previousInfo = cpuInfo!
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self.response.totalUsage = self.response.systemLoad + self.response.userLoad
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self.callback(self.response)
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}
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private func hostCPULoadInfo() -> host_cpu_load_info? {
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let HOST_CPU_LOAD_INFO_COUNT = MemoryLayout<host_cpu_load_info>.stride/MemoryLayout<integer_t>.stride
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var size = mach_msg_type_number_t(HOST_CPU_LOAD_INFO_COUNT)
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var cpuLoadInfo = host_cpu_load_info()
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let result: kern_return_t = withUnsafeMutablePointer(to: &cpuLoadInfo) {
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$0.withMemoryRebound(to: integer_t.self, capacity: HOST_CPU_LOAD_INFO_COUNT) {
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host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO, $0, &size)
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}
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}
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if result != KERN_SUCCESS {
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os_log(.error, log: log, "kern_result_t: %s", "\(result)")
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return nil
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}
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return cpuLoadInfo
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}
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}
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public class ProcessReader: Reader<[TopProcess]> {
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public override func setup() {
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self.popup = true
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}
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public override func read() {
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let task = Process()
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task.launchPath = "/bin/ps"
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task.arguments = ["-Aceo pid,pcpu,comm", "-r"]
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let outputPipe = Pipe()
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let errorPipe = Pipe()
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task.standardOutput = outputPipe
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task.standardError = errorPipe
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do {
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try task.run()
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} catch let error {
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os_log(.error, log: log, "error read ps: %s", "\(error.localizedDescription)")
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return
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}
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let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
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let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
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let output = String(decoding: outputData, as: UTF8.self)
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_ = String(decoding: errorData, as: UTF8.self)
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if output.isEmpty {
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return
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}
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var index = 0
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var processes: [TopProcess] = []
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output.enumerateLines { (line, stop) -> () in
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if index != 0 {
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var str = line.trimmingCharacters(in: .whitespaces)
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let pidString = str.findAndCrop(pattern: "^\\d+")
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let usageString = str.findAndCrop(pattern: "^[0-9,.]+ ")
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let command = str.trimmingCharacters(in: .whitespaces)
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let pid = Int(pidString) ?? 0
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let usage = Double(usageString.replacingOccurrences(of: ",", with: ".")) ?? 0
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var name: String? = nil
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var icon: NSImage? = nil
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if let app = NSRunningApplication(processIdentifier: pid_t(pid) ) {
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name = app.localizedName ?? nil
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icon = app.icon
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}
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processes.append(TopProcess(pid: pid, command: command, name: name, usage: usage, icon: icon))
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}
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if index == 5 { stop = true }
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index += 1
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}
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self.callback(processes)
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}
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}
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public class AdditionalReader: Reader<CPU_additional> {
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private let smc: UnsafePointer<SMCService>?
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private var data: CPU_additional = CPU_additional()
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init(_ smc: UnsafePointer<SMCService>) {
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self.smc = smc
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super.init()
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self.popup = true
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}
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public override func setup() {
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PG_getCPUFrequency()
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PG_getCPUFrequency()
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}
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public override func read() {
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if let readFrequency = PG_getCPUFrequency() {
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self.data.frequency = readFrequency.pointee
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}
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self.data.temperature = self.smc?.pointee.getValue("TC0C") ?? self.smc?.pointee.getValue("TC0D") ?? self.smc?.pointee.getValue("TC0P") ?? self.smc?.pointee.getValue("TC0E")
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self.callback(self.data)
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}
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}
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