need to find which process using more CPU on remote computer

need to find which process using is consuming more CPU on remote computer including whole CPU usage of server.

i have tried below script, it give process wise of cpu usage, including this i would require whole cpu consumption of the server, like Task manager in windows.

$servers = Get-Content c:\temp\servers.txt
$ErrorActionPreference = 'silentlycontinue'

foreach ($server in $servers)

{
try{

Invoke-Command -scriptblock {Get-Process | Sort CPU -descending | Select -first 5 } -computername $servers

}

catch{
Write-Warning "System Not reachable:$server"
}
}

You can sum up CPU usage by all the process using Measure-Command cmdlet.

Get-Process | Sort CPU -descending | Measure-Command -Property CPU -Sum