150 lines
4.9 KiB
VB.net
150 lines
4.9 KiB
VB.net
#Region "Microsoft.VisualBasic::9ca8ed81894ce206c453ea25b3ab4e48, Microsoft.VisualBasic.Core\ApplicationServices\Tools\Win32\TaskManager.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Module TaskManager
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'
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' Properties: CPU_Usages
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'
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' Function: ProcessUsage, ProcessUsageDetails
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' Structure TaskInfo
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'
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' Properties: CommandLine, CPU, Memory, PID, ProcessName
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'
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' Function: ToString
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'
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'
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Xml.Serialization
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Imports Microsoft.VisualBasic.Language
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Imports Microsoft.VisualBasic.Serialization.JSON
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Imports sys = System.Math
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Namespace Win32
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''' <summary>
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''' Windows的任务管理器的接口
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''' </summary>
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Public Module TaskManager
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''' <summary>
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''' Using this property you can display the CPU usage (over all CPU usage like you would find on the task manager)
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''' </summary>
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''' <returns></returns>
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Public ReadOnly Property CPU_Usages As New PerformanceCounter("Processor", "% Processor Time", "_Total")
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''' <summary>
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''' 类似于任务管理器的函数：Memory, CPU, ProcessName, PID, CommandLine
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''' </summary>
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''' <returns>Memory, CPU</returns>
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''' <remarks></remarks>
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Public Function ProcessUsageDetails() As List(Of TaskInfo)
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Dim counterList As New List(Of TaskInfo)
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Try
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Dim proc As Process() = Process.GetProcesses
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For Each P As Process In proc
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Dim pCounter As New PerformanceCounter("Process", "% Processor Time", P.ProcessName)
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counterList += New TaskInfo With {
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.Memory = P.WorkingSet64,
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.CPU = sys.Round(pCounter.NextValue, 2),
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.ProcessName = P.ProcessName,
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.PID = P.Id,
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.CommandLine = P.StartInfo.FileName & " " & P.StartInfo.Arguments
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}
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Next
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Catch ex As Exception
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Call App.LogException(ex)
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Call ex.PrintException
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End Try
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Return counterList
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End Function
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Public Structure TaskInfo
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<XmlAttribute> Public Property PID As Integer
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<XmlAttribute> Public Property CommandLine As String
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<XmlAttribute> Public Property ProcessName As String
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<XmlAttribute> Public Property CPU As Double
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<XmlAttribute> Public Property Memory As Long
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Default Public ReadOnly Property GetValue(name$) As Object
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Get
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Select Case name
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Case NameOf(PID)
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Return PID
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Case NameOf(CommandLine)
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Return CommandLine
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Case NameOf(ProcessName)
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Return ProcessName
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Case NameOf(CPU)
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Return CPU
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Case NameOf(Memory)
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Return Memory
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Case Else
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Throw New Exception($"Unable found key '{name}' in: " & GetJson)
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End Select
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End Get
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End Property
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Public Overrides Function ToString() As String
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Return Me.GetJson
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End Function
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End Structure
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''' <summary>
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''' 获取CPU的使用率
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''' </summary>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Function ProcessUsage() As Double
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Dim tasks As List(Of TaskInfo) = ProcessUsageDetails()
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Dim usage As Double = tasks _
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.Sum(Function(proc) CType(proc("CPU"), Double))
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Return usage
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End Function
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End Module
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End Namespace
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