Process.PeakVirtualMemorySize64 屬性
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
取得關聯處理序所使用最大虛擬記憶體量 (以位元組為單位)。
public:
property long PeakVirtualMemorySize64 { long get(); };public long PeakVirtualMemorySize64 { get; }[System.Runtime.InteropServices.ComVisible(false)]
public long PeakVirtualMemorySize64 { get; }member this.PeakVirtualMemorySize64 : int64[<System.Runtime.InteropServices.ComVisible(false)>]
member this.PeakVirtualMemorySize64 : int64Public ReadOnly Property PeakVirtualMemorySize64 As Long屬性值
從啟動以來配置給關聯處理序的最大虛擬記憶體量 (以位元組為單位)。
- 屬性
範例
下列程式代碼範例會啟動記事本應用程式的實例。 此範例接著會擷取並顯示相關聯進程的各種屬性。 此範例會偵測進程何時結束，並顯示其結束代碼和尖峰記憶體統計數據。
#using <system.dll>
using namespace System;
using namespace System::Diagnostics;
int main()
{
// Define variables to track the peak
// memory usage of the process.
_int64 peakPagedMem = 0,peakWorkingSet = 0,peakVirtualMem = 0;
Process^ myProcess = nullptr;
try
{
// Start the process.
myProcess = Process::Start( "NotePad.exe" );
// Display the process statistics until
// the user closes the program.
do
{
if ( !myProcess->HasExited )
{
// Refresh the current process property values.
myProcess->Refresh();
Console::WriteLine();
// Display current process statistics.
Console::WriteLine( "{0} -", myProcess );
Console::WriteLine( "-------------------------------------" );
Console::WriteLine( " physical memory usage: {0}", myProcess->WorkingSet64 );
Console::WriteLine( " base priority: {0}", myProcess->BasePriority );
Console::WriteLine( " priority class: {0}", myProcess->PriorityClass );
Console::WriteLine( " user processor time: {0}", myProcess->UserProcessorTime );
Console::WriteLine( " privileged processor time: {0}", myProcess->PrivilegedProcessorTime );
Console::WriteLine( " total processor time: {0}", myProcess->TotalProcessorTime );
Console::WriteLine(" PagedSystemMemorySize64: {0}", myProcess->PagedSystemMemorySize64);
Console::WriteLine(" PagedMemorySize64: {0}", myProcess->PagedMemorySize64);
// Update the values for the overall peak memory statistics.
peakPagedMem = myProcess->PeakPagedMemorySize64;
peakVirtualMem = myProcess->PeakVirtualMemorySize64;
peakWorkingSet = myProcess->PeakWorkingSet64;
if ( myProcess->Responding )
{
Console::WriteLine( "Status = Running" );
}
else
{
Console::WriteLine( "Status = Not Responding" );
}
}
}
while ( !myProcess->WaitForExit( 1000 ) );
Console::WriteLine();
Console::WriteLine( "Process exit code: {0}", myProcess->ExitCode );
// Display peak memory statistics for the process.
Console::WriteLine( "Peak physical memory usage of the process: {0}", peakWorkingSet );
Console::WriteLine( "Peak paged memory usage of the process: {0}", peakPagedMem );
Console::WriteLine( "Peak virtual memory usage of the process: {0}", peakVirtualMem );
}
finally
{
if ( myProcess != nullptr )
{
myProcess->Close();
}
}
}
using System;
using System.Diagnostics;
namespace ProcessSample
{
class ProcessMonitorSample
{
public static void Main()
{
// Define variables to track the peak
// memory usage of the process.
long peakPagedMem = 0,
peakWorkingSet = 0,
peakVirtualMem = 0;
// Start the process.
using (Process myProcess = Process.Start("NotePad.exe"))
{
// Display the process statistics until
// the user closes the program.
do
{
if (!myProcess.HasExited)
{
// Refresh the current process property values.
myProcess.Refresh();
Console.WriteLine();
// Display current process statistics.
Console.WriteLine($"{myProcess} -");
Console.WriteLine("-------------------------------------");
Console.WriteLine($" Physical memory usage : {myProcess.WorkingSet64}");
Console.WriteLine($" Base priority : {myProcess.BasePriority}");
Console.WriteLine($" Priority class : {myProcess.PriorityClass}");
Console.WriteLine($" User processor time : {myProcess.UserProcessorTime}");
Console.WriteLine($" Privileged processor time : {myProcess.PrivilegedProcessorTime}");
Console.WriteLine($" Total processor time : {myProcess.TotalProcessorTime}");
Console.WriteLine($" Paged system memory size : {myProcess.PagedSystemMemorySize64}");
Console.WriteLine($" Paged memory size : {myProcess.PagedMemorySize64}");
// Update the values for the overall peak memory statistics.
peakPagedMem = myProcess.PeakPagedMemorySize64;
peakVirtualMem = myProcess.PeakVirtualMemorySize64;
peakWorkingSet = myProcess.PeakWorkingSet64;
if (myProcess.Responding)
{
Console.WriteLine("Status = Running");
}
else
{
Console.WriteLine("Status = Not Responding");
}
}
}
while (!myProcess.WaitForExit(1000));
Console.WriteLine();
Console.WriteLine($" Process exit code : {myProcess.ExitCode}");
// Display peak memory statistics for the process.
Console.WriteLine($" Peak physical memory usage : {peakWorkingSet}");
Console.WriteLine($" Peak paged memory usage : {peakPagedMem}");
Console.WriteLine($" Peak virtual memory usage : {peakVirtualMem}");
}
}
}
}
Imports System.Diagnostics
Namespace ProcessSample
Class ProcessMonitorSample
Public Shared Sub Main()
' Define variables to track the peak
' memory usage of the process.
Dim peakPagedMem As Long = 0
Dim peakWorkingSet As Long = 0
Dim peakVirtualMem As Long = 0
' Start the process.
Using myProcess = Process.Start("NotePad.exe")
' Display process statistics until
' the user closes the program.
Do
If Not myProcess.HasExited Then
' Refresh the current process property values.
myProcess.Refresh()
Console.WriteLine()
' Display current process statistics.
Console.WriteLine($"{myProcess} -")
Console.WriteLine("-------------------------------------")
Console.WriteLine($" Physical memory usage : {myProcess.WorkingSet64}")
Console.WriteLine($" Base priority : {myProcess.BasePriority}")
Console.WriteLine($" Priority class : {myProcess.PriorityClass}")
Console.WriteLine($" User processor time : {myProcess.UserProcessorTime}")
Console.WriteLine($" Privileged processor time : {myProcess.PrivilegedProcessorTime}")
Console.WriteLine($" Total processor time : {myProcess.TotalProcessorTime}")
Console.WriteLine($" Paged system memory size : {myProcess.PagedSystemMemorySize64}")
Console.WriteLine($" Paged memory size : {myProcess.PagedMemorySize64}")
' Update the values for the overall peak memory statistics.
peakPagedMem = myProcess.PeakPagedMemorySize64
peakVirtualMem = myProcess.PeakVirtualMemorySize64
peakWorkingSet = myProcess.PeakWorkingSet64
If myProcess.Responding Then
Console.WriteLine("Status = Running")
Else
Console.WriteLine("Status = Not Responding")
End If
End If
Loop While Not myProcess.WaitForExit(1000)
Console.WriteLine()
Console.WriteLine($" Process exit code : {myProcess.ExitCode}")
' Display peak memory statistics for the process.
Console.WriteLine($" Peak physical memory usage of the process : {peakWorkingSet}")
Console.WriteLine($" Peak paged memory usage of the process : {peakPagedMem}")
Console.WriteLine($" Peak virtual memory usage of the process : {peakVirtualMem}")
End Using
End Sub
End Class
End Namespace
備註
這個屬性所傳回的值代表進程在啟動後所使用的虛擬記憶體大小上限，以位元組為單位。 操作系統會將每個進程的虛擬位址空間對應至載入實體記憶體中的分頁，或對應至儲存在磁碟上虛擬記憶體分頁檔案中的分頁。
這個屬性可用來監視具有 32 位處理器或 64 位處理器之電腦上的記憶體使用量。 屬性值相當於進程的 虛擬位元組尖峰 性能計數器。
