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WhoAteMyRAM.psm1
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WhoAteMyRAM.psm1
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function ListMemoryUsage {
<#
.SYNOPSIS
Print or export memory usage statistics.
.PARAMETER Name
A filter for processes to show.
.PARAMETER Exactly
Match process name exactly.
.PARAMETER Unit
Specify the unit of memory size.
.PARAMETER Accuracy
Specify decimal places to show.
.PARAMETER Sort
Sort processes by memory usage.
.PARAMETER NoSum
Sum info won't be generated with this parameter.
.PARAMETER Export
Export results to a csv file.
.PARAMETER Help
Print help info.
#>
[CmdletBinding()]
param (
[Parameter(Mandatory = $false, Position = 0)]
[string] $Name,
[Parameter(Mandatory = $false, Position = 1)]
[switch] $Exactly,
[Parameter(Mandatory = $false, Position = 2)]
[string] $Unit = "MB",
[Parameter(Mandatory = $false, Position = 3)]
[int32] $Accuracy,
[Parameter(Mandatory = $false, Position = 4)]
[string] $Sort,
[Parameter(Mandatory = $false, Position = 5)]
[switch] $NoSum,
[Parameter(Mandatory = $false, Position = 6)]
[string] $Export,
[Parameter(Mandatory = $false, Position = 7)]
[switch] $Help
)
if ($Help) {
$groupHelpInfo = @(
@{ Parameter = "ListMemoryUsage "; Description = "Print memory usage statistics." }
@{ Parameter = " -Name <String>"; Description = "A filter for processes to show, file extension can be omitted." }
@{ Parameter = " -Exactly"; Description = "Use this parameter to match process name exactly." }
@{ Parameter = " -Unit <String>"; Description = "Specify the unit of memory size, support KB, MB, GB, TB." }
@{ Parameter = " -Accuracy <Int32>"; Description = "Specify decimal places to show, support integers from 0 to 15." }
@{ Parameter = " -Sort <String>"; Description = "Sort processes by memory usage, support +, -, Ascending, Descending." }
@{ Parameter = " -NoSum"; Description = "Sum info won't be generated with this parameter." }
@{ Parameter = " -Export <String>"; Description = "Export results to csv file, file extension can be omitted." }
@{ Parameter = " -Help"; Description = "Print help info." }
@{ Parameter = ""; Description = "" }
@{ Parameter = "WhoAteMyRAM "; Description = "Find out who is the RAM eater, just run it!" }
@{ Parameter = " -Help"; Description = "Print help info." }
@{ Parameter = " -Version"; Description = "Print version info." }
)
$HelpInfo = ForEach ($lineHelpInfo in $groupHelpInfo) {
New-Object PSObject | Add-Member -NotePropertyMembers $lineHelpInfo -PassThru
}
Return $HelpInfo | Format-Table -HideTableHeaders
}
$Unit = $Unit.ToUpper()
switch ($Unit) {
"K" { $Unit = "KB"; Break }
"M" { $Unit = "MB"; Break }
"G" { $Unit = "GB"; Break }
"T" { $Unit = "TB"; Break }
}
$SupportedUnit = @("KB", "MB", "GB", "TB")
if ($SupportedUnit -notcontains $Unit) {
$SupportedUnittoString = $SupportedUnit -join(", ")
Write-Host "Error: Invalid unit, please use $SupportedUnittoString.`nRun 'ListMemoryUsage -Help' for more help info." -ForegroundColor Red
Return
}
if ($PSBoundParameters.ContainsKey('Accuracy')) {
if (($Accuracy -lt 0) -or ($Accuracy -gt 15)){
Write-Host "Error: Only support accuracy from 0 to 15.`nRun 'ListMemoryUsage -Help' for more help info." -ForegroundColor Red
Return
}
} else {
$Accuracy = switch ($Unit) {
"KB" { 0; Break }
"MB" { 0; Break }
"GB" { 2; Break }
"TB" { 2; Break }
}
}
$ProcessList = Get-Process | Group-Object -Property ProcessName
if ($Name) {
$Name = $Name -replace("\.exe$", "")
if ($Exactly) {
$ProcessList = $ProcessList | Where-Object { "$Name" -eq $_.Name }
} else {
$ProcessList = $ProcessList | Where-Object { $_.Name -match "$Name" }
}
}
$MemoryUsage = @()
$MemoryUsage += foreach ($Process in $ProcessList) {
$ProcUse = [math]::Round(($Process.Group | Measure-Object WorkingSet -Sum).Sum / "1$Unit",$Accuracy)
$ProcInfo = New-Object PSObject
$ProcInfo | Add-Member -MemberType NoteProperty -Name "Process Name" -Value $Process.Name
$ProcInfo | Add-Member -MemberType NoteProperty -Name "Count" -Value $Process.Count
$ProcInfo | Add-Member -MemberType NoteProperty -Name "Memory Usage`($Unit`)" -Value $ProcUse
$ProcInfo
}
if ($MemoryUsage.Count -eq 0) {
if ($Exactly) {
Write-Host "Error: Cannot find process exactly matches `"$Name`"." -ForegroundColor Red
} else {
Write-Host "Error: Cannot find process matches `"$Name`"." -ForegroundColor Red
}
Write-Host "Run 'ListMemoryUsage -Help' for more help info." -ForegroundColor Red
Return
}
if ($Sort) {
$SupportedSort = @("+", "-", "Ascending", "Descending")
if ($SupportedSort -notcontains $Sort) {
$SupportedSorttoString = $SupportedSort -join(", ")
Write-Host "Error: Invalid sorting method, please use $SupportedSorttoString.`nRun 'ListMemoryUsage -Help' for more help info." -ForegroundColor Red
Return
}
$MemoryUsage = switch ($Sort) {
{ @("+", "Ascending") -contains $_ } {
$MemoryUsage | Sort-Object -Property "Memory Usage(*)"
}
{ @("-", "Descending") -contains $_ } {
$MemoryUsage | Sort-Object -Property "Memory Usage(*)" -Descending
}
}
}
if (-not($NoSum)) {
$DivideLine = New-Object PSObject
$DivideLine | Add-Member -MemberType NoteProperty -Name "Process Name" -Value "------------"
$DivideLine | Add-Member -MemberType NoteProperty -Name "Count" -Value "-----"
$DivideLine | Add-Member -MemberType NoteProperty -Name "Memory Usage`($Unit`)" -Value "----------------"
$CountSum = ($MemoryUsage | Measure-Object Count -Sum).Sum
$MemoryUsageSum = [math]::Round(($MemoryUsage | Measure-Object "Memory Usage*" -Sum).Sum,$Accuracy)
$SumInfo = New-Object PSObject
$SumInfo | Add-Member -MemberType NoteProperty -Name "Process Name" -Value "Sum"
$SumInfo | Add-Member -MemberType NoteProperty -Name "Count" -Value $CountSum
$SumInfo | Add-Member -MemberType NoteProperty -Name "Memory Usage`($Unit`)" -Value $MemoryUsageSum
$MemoryUsage += $DivideLine
$MemoryUsage += $SumInfo
}
if ($Export) {
$ExportFile = (($Export -replace("\.csv$", "")), "csv") -join(".")
$MemoryUsage | Export-Csv -Path "$ExportFile" -Delimiter "," -NoTypeInformation
if($?) {
Write-Host "Exported to `"$ExportFile`" successfully." -ForegroundColor Green
}
} else {
$MemoryUsage
}
}
function WhoAteMyRAM {
<#
.SYNOPSIS
Find the RAM eater.
.PARAMETER Help
Print help info.
.PARAMETER Version
Print version info.
#>
[CmdletBinding()]
param (
[Parameter(Mandatory = $false, Position = 0)]
[switch] $Help,
[Parameter(Mandatory = $false, Position = 1)]
[switch] $Version
)
if ($Help) {
$HelpInfo = ListMemoryUsage -Help
Return $HelpInfo
}
if ($Version) {
$VersionInfo = (Get-Module -Name WhoAteMyRAM | Select-Object Version).Version
Return "WhoAteMyRAM $VersionInfo"
}
$RAMEaterInfo = (ListMemoryUsage -Unit GB -Sort Descending -NoSum)[0]
$RAMEater = ($RAMEaterInfo.'Process Name', ".exe") -join("")
$RAMAte = ($RAMEaterInfo.'Memory Usage(GB)', "GB") -join("")
Write-Host "`nIt's " -NoNewline
Write-Host $RAMEater -ForegroundColor Green -NoNewline
Write-Host ", who ate " -NoNewline
Write-Host $RAMAte -ForegroundColor Green -NoNewline
Write-Host " of RAM!`n"
}
Set-Alias LMU ListMemoryUsage
Set-Alias WAMR WhoAteMyRAM