usr/etc/Get-CpuFrequency.ps1
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function Get-CpuFrequency { [CmdletBinding()]param() begin { New-Delegate ntdll { int NtPowerInformation([int, ptr, int, buf, int]) } New-Structure PROCESS_POWER_INFORMATION { UInt32 Number UInt32 MaxMhz UInt32 CurrentMhz UInt32 MhzLimit UInt32 MaxIdleState UInt32 CurrentIdleState } $sz = [PROCESS_POWER_INFORMATION]::GetSize() } process {} end { $buf = [Byte[]]::new($sz) while ($ntdll.NtPowerInformation.Invoke( 11, [IntPtr]::Zero, 0, $buf, $buf.Length ) -eq 0xC0000023) { [Array]::Resize([ref]$buf, ($buf.Length * 2)) } $(for ($i, $cores = 0, ($buf.Length / $sz); $i -lt $cores; $i++) { ConvertTo-PointerOrStructure $buf[0..($sz - 1)] ([PROCESS_POWER_INFORMATION]) $buf = $buf[$sz..$buf.Length] }) | Format-Table -AutoSize } } |