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109 lines
3.0 KiB
Markdown
109 lines
3.0 KiB
Markdown
*check-swap-space.ps1*
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================
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This PowerShell script queries the status of the swap space and prints it.
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Parameters
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----------
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```powershell
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PS> ./check-swap-space.ps1 [[-minLevel] <Int32>] [<CommonParameters>]
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-minLevel <Int32>
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Specifies the minimum level in GB (10 GB by default)
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Required? false
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Position? 1
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Default value 10
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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Example
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-------
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```powershell
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PS> ./check-swap-space.ps1
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✅ Swap space uses 42% of 1GB, 748MB free
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```
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Notes
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-----
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Author: Markus Fleschutz | License: CC0
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Related Links
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-------------
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https://github.com/fleschutz/PowerShell
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Script Content
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--------------
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```powershell
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<#
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.SYNOPSIS
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Checks the swap space status
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.DESCRIPTION
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This PowerShell script queries the status of the swap space and prints it.
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.PARAMETER minLevel
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Specifies the minimum level in GB (10 GB by default)
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.EXAMPLE
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PS> ./check-swap-space.ps1
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✅ Swap space uses 42% of 1GB, 748MB free
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([int]$minLevel = 10)
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function MB2String { param([int64]$Bytes)
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if ($Bytes -lt 1000) { return "$($Bytes)MB" }
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$Bytes /= 1000
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if ($Bytes -lt 1000) { return "$($Bytes)GB" }
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$Bytes /= 1000
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if ($Bytes -lt 1000) { return "$($Bytes)TB" }
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$Bytes /= 1000
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if ($Bytes -lt 1000) { return "$($Bytes)PB" }
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$Bytes /= 1000
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if ($Bytes -lt 1000) { return "$($Bytes)EB" }
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}
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try {
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[int64]$Total = [int64]$Used = [int64]$Free = 0
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if ($IsLinux) {
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$Result = $(free --mega | grep Swap:)
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[int64]$Total = $Result.subString(5,14)
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[int64]$Used = $Result.substring(20,13)
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[int64]$Free = $Result.substring(32,11)
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} else {
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$Items = Get-WmiObject -class "Win32_PageFileUsage" -namespace "root\CIMV2" -computername localhost
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foreach ($Item in $Items) {
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$Total += $Item.AllocatedBaseSize
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$Used += $Item.CurrentUsage
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$Free += ($Total - $Used)
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}
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}
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if ($Total -eq 0) {
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Write-Output "⚠️ No swap space configured"
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} elseif ($Free -eq 0) {
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Write-Output "⚠️ Swap space of $(MB2String $Total) is full"
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} elseif ($Free -lt $minLevel) {
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Write-Output "⚠️ Swap space of $(MB2String $Total) is nearly full, only $(MB2String $Free) free"
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} elseif ($Used -eq 0) {
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Write-Output "✅ Swap space of $(MB2String $Total) reserved"
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} else {
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[int]$Percent = ($Used * 100) / $Total
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Write-Output "✅ Swap space uses $Percent% of $(MB2String $Total), $(MB2String $Free) free"
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}
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*(generated by convert-ps2md.ps1 using the comment-based help of check-swap-space.ps1 as of 09/13/2023 09:48:38)*
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