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3.0 KiB
3.0 KiB
check-swap-space.ps1
This PowerShell script queries the status of the swap space and prints it.
Parameters
PS> ./check-swap-space.ps1 [[-minLevel] <Int32>] [<CommonParameters>]
-minLevel <Int32>
Specifies the minimum level in GB (10 GB by default)
Required? false
Position? 1
Default value 10
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
Example
PS> ./check-swap-space.ps1
✅ Swap space uses 42% of 1GB, 748MB free
Notes
Author: Markus Fleschutz | License: CC0
Related Links
https://github.com/fleschutz/PowerShell
Script Content
<#
.SYNOPSIS
Checks the swap space status
.DESCRIPTION
This PowerShell script queries the status of the swap space and prints it.
.PARAMETER minLevel
Specifies the minimum level in GB (10 GB by default)
.EXAMPLE
PS> ./check-swap-space.ps1
✅ Swap space uses 42% of 1GB, 748MB free
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([int]$minLevel = 10)
function MB2String { param([int64]$Bytes)
if ($Bytes -lt 1000) { return "$($Bytes)MB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)GB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)TB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)PB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)EB" }
}
try {
[int64]$Total = [int64]$Used = [int64]$Free = 0
if ($IsLinux) {
$Result = $(free --mega | grep Swap:)
[int64]$Total = $Result.subString(5,14)
[int64]$Used = $Result.substring(20,13)
[int64]$Free = $Result.substring(32,11)
} else {
$Items = Get-WmiObject -class "Win32_PageFileUsage" -namespace "root\CIMV2" -computername localhost
foreach ($Item in $Items) {
$Total += $Item.AllocatedBaseSize
$Used += $Item.CurrentUsage
$Free += ($Total - $Used)
}
}
if ($Total -eq 0) {
Write-Output "⚠️ No swap space configured"
} elseif ($Free -eq 0) {
Write-Output "⚠️ Swap space of $(MB2String $Total) is full"
} elseif ($Free -lt $minLevel) {
Write-Output "⚠️ Swap space of $(MB2String $Total) is nearly full, only $(MB2String $Free) free"
} elseif ($Used -eq 0) {
Write-Output "✅ Swap space of $(MB2String $Total) reserved"
} else {
[int]$Percent = ($Used * 100) / $Total
Write-Output "✅ Swap space uses $Percent% of $(MB2String $Total), $(MB2String $Free) free"
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
(generated by convert-ps2md.ps1 using the comment-based help of check-swap-space.ps1 as of 09/01/2023 17:51:49)