PoShMon

0.10.1

Functions/PoShMon.OSMonitoring/Test-CPULoad.ps1

Function Test-CPULoad
{
    [CmdletBinding()]
    param (
        [hashtable]$PoShMonConfiguration
    )

    if ($PoShMonConfiguration.OperatingSystem -eq $null) { throw "'OperatingSystem' configuration not set properly on PoShMonConfiguration parameter." }

    $mainOutput = Get-InitialOutputWithTimer -SectionHeader "Server CPU Load Review" -OutputHeaders ([ordered]@{ 'ServerName' = 'Server Name'; 'CPULoad' = 'CPU Load (%)' })

    if ($PoShMonConfiguration.General.ServerNames -eq $env:COMPUTERNAME)
        { $results = Get-Counter "\processor(_total)\% processor time" }
    else
        { $results = Get-Counter "\processor(_total)\% processor time" -Computername $PoShMonConfiguration.General.ServerNames }

    foreach ($counterResult in $results.CounterSamples)
    {
        if ($PoShMonConfiguration.General.ServerNames -eq "localhost")
            { $serverName = "localhost" }
        else
            { $serverName = $counterResult.Path.Substring(2, $counterResult.Path.LastIndexOf("\\") - 2).ToUpper() }
        $cpuLoad = $counterResult.CookedValue
        $highlight = @()

        $cpuPercentValue = $(($cpuLoad / 100).ToString("00%"))
        Write-Verbose "`t$($serverName): $cpuPercentValue"

        if ($cpuLoad -gt $PoShMonConfiguration.OperatingSystem.CPULoadThresholdPercent)
        {
            $mainOutput.NoIssuesFound = $false
            $highlight += "CPULoad"
            Write-Warning "`tCPU Load ($cpuPercentValue) is above variance threshold ($($PoShMonConfiguration.OperatingSystem.CPULoadThresholdPercent)%)"
        }

        $mainOutput.OutputValues += @{
            'ServerName' = $serverName
            'CPULoad' = $cpuPercentValue
            'Highlight' = $highlight
        }
    }

    return (Complete-TimedOutput $mainOutput)
}