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PowerShell: Management-related
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| #Requires -Version 5.1 | |
| # Reference: 1) https://docs.microsoft.com/en-us/dotnet/api/system.collections.arraylist | |
| # Reference: 2) https://docs.microsoft.com/en-us/dotnet/api/system.diagnostics.stopwatch | |
| # Reference: 3) https://docs.microsoft.com/en-us/dotnet/api/system.io.filestream | |
| # Example 1: Copy file and measure combined (read & write) transfer rate over time | |
| $FilePath = "" # Path of the file to copy | |
| $Destination= "" # Path to the new directory or folder | |
| $BufferSize = 64 # Buffer size, in KB, for copying file | |
| $Buffer = [byte[]]::New(1024 * $BufferSize) | |
| $CumulativeBytes = [Collections.Generic.List[int32]]::New() | |
| $CumulativeTicks = [Collections.Generic.List[int64]]::New() | |
| $Stopwatch = [Diagnostics.Stopwatch]::New() | |
| $NewPath = Join-Path -Path $Destination -ChildPath (Split-Path -Path $FilePath -Leaf) | |
| if ($InStream = [IO.File]::OpenRead($FilePath)) { | |
| if ($OutStream = [IO.File]::Create($NewPath)) { | |
| $Stopwatch.Start() | |
| while ($BytesRead = $InStream.Read($Buffer, 0, $Buffer.Length)) { | |
| $OutStream.Write($Buffer, 0, $BytesRead) | |
| $CumulativeTicks.Add($Stopwatch.ElapsedTicks) | |
| $CumulativeBytes.Add($OutStream.Length) | |
| } | |
| $Stopwatch.Stop() | |
| $OutStream.Dispose() | |
| } | |
| $InStream.Dispose() | |
| } | |
| $AverageMbps = $CumulativeBytes[-1] * 8 / 1MB / | |
| ([TimeSpan]$CumulativeTicks[-1]).TotalSeconds | |
| # Example 2: Copy file and measure read & write transfer rates over time | |
| $FilePath = "" # Path of the file to copy | |
| $Destination= "" # Path to the new directory or folder | |
| $BufferSize = 64 # Buffer size, in KB, for copying file | |
| $Buffer = [byte[]]::New(1024 * $BufferSize) | |
| $StreamBytes = [Collections.Generic.List[int32]]::New() | |
| $ReadTicks = [Collections.Generic.List[int64]]::New() | |
| $WriteTicks = [Collections.Generic.List[int64]]::New() | |
| $Stopwatch = [Diagnostics.Stopwatch]::New() | |
| $NewPath = Join-Path -Path $Destination -ChildPath (Split-Path -Path $FilePath -Leaf) | |
| if ($InStream = [IO.File]::OpenRead($FilePath)) { | |
| if ($OutStream = [IO.File]::Create($NewPath)) { | |
| $Stopwatch.Start() | |
| while ($BytesRead = $InStream.Read($Buffer, 0, $Buffer.Length)) { | |
| $Stopwatch.Stop() | |
| $StreamBytes.Add($BytesRead) | |
| $ReadTicks.Add($Stopwatch.ElapsedTicks) | |
| $Stopwatch.Reset() | |
| $Stopwatch.Start() | |
| $OutStream.Write($Buffer, 0, $BytesRead) | |
| $Stopwatch.Stop() | |
| $WriteTicks.Add($Stopwatch.ElapsedTicks) | |
| $Stopwatch.Reset() | |
| $Stopwatch.Start() | |
| } | |
| $Stopwatch.Stop() | |
| $OutStream.Dispose() | |
| } | |
| $InStream.Dispose() | |
| } | |
| $AverageReadMbps = [Linq.Enumerable]::Sum($StreamBytes) * 8 / 1MB / | |
| ([TimeSpan][Linq.Enumerable]::Sum($ReadTicks)).TotalSeconds | |
| $AverageWriteMbps = [Linq.Enumerable]::Sum($StreamBytes) * 8 / 1MB / | |
| ([TimeSpan][Linq.Enumerable]::Sum($WriteTicks)).TotalSeconds |
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