QueryIdleProcessorCycleTimeEx

// KERNEL32.dll
#include <windows.h>

BOOL QueryIdleProcessorCycleTimeEx(
    WORD Group,
    DWORD* BufferLength,
    ULONGLONG* ProcessorIdleCycleTime   // optional
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function QueryIdleProcessorCycleTimeEx(
    Group As UShort,   ' WORD
    ByRef BufferLength As UInteger,   ' DWORD* in/out
    ProcessorIdleCycleTime As IntPtr   ' ULONGLONG* optional, out
) As Boolean
End Function

' Group : WORD
' BufferLength : DWORD* in/out
' ProcessorIdleCycleTime : ULONGLONG* optional, out
Declare PtrSafe Function QueryIdleProcessorCycleTimeEx Lib "kernel32" ( _
    ByVal Group As Integer, _
    ByRef BufferLength As Long, _
    ByVal ProcessorIdleCycleTime As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

QueryIdleProcessorCycleTimeEx = ctypes.windll.kernel32.QueryIdleProcessorCycleTimeEx
QueryIdleProcessorCycleTimeEx.restype = wintypes.BOOL
QueryIdleProcessorCycleTimeEx.argtypes = [
    ctypes.c_ushort,  # Group : WORD
    ctypes.POINTER(wintypes.DWORD),  # BufferLength : DWORD* in/out
    ctypes.POINTER(ctypes.c_ulonglong),  # ProcessorIdleCycleTime : ULONGLONG* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
QueryIdleProcessorCycleTimeEx = Fiddle::Function.new(
  lib['QueryIdleProcessorCycleTimeEx'],
  [
    -Fiddle::TYPE_SHORT,  # Group : WORD
    Fiddle::TYPE_VOIDP,  # BufferLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ProcessorIdleCycleTime : ULONGLONG* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn QueryIdleProcessorCycleTimeEx(
        Group: u16,  // WORD
        BufferLength: *mut u32,  // DWORD* in/out
        ProcessorIdleCycleTime: *mut u64  // ULONGLONG* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool QueryIdleProcessorCycleTimeEx(ushort Group, ref uint BufferLength, IntPtr ProcessorIdleCycleTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_QueryIdleProcessorCycleTimeEx' -Namespace Win32 -PassThru
# $api::QueryIdleProcessorCycleTimeEx(Group, BufferLength, ProcessorIdleCycleTime)

#uselib "KERNEL32.dll"
#func global QueryIdleProcessorCycleTimeEx "QueryIdleProcessorCycleTimeEx" sptr, sptr, sptr
; QueryIdleProcessorCycleTimeEx Group, varptr(BufferLength), varptr(ProcessorIdleCycleTime)   ; 戻り値は stat
; Group : WORD -> "sptr"
; BufferLength : DWORD* in/out -> "sptr"
; ProcessorIdleCycleTime : ULONGLONG* optional, out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "KERNEL32.dll"
#cfunc global QueryIdleProcessorCycleTimeEx "QueryIdleProcessorCycleTimeEx" int, var, var
; res = QueryIdleProcessorCycleTimeEx(Group, BufferLength, ProcessorIdleCycleTime)
; Group : WORD -> "int"
; BufferLength : DWORD* in/out -> "var"
; ProcessorIdleCycleTime : ULONGLONG* optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL QueryIdleProcessorCycleTimeEx(WORD Group, DWORD* BufferLength, ULONGLONG* ProcessorIdleCycleTime)
#uselib "KERNEL32.dll"
#cfunc global QueryIdleProcessorCycleTimeEx "QueryIdleProcessorCycleTimeEx" int, var, var
; res = QueryIdleProcessorCycleTimeEx(Group, BufferLength, ProcessorIdleCycleTime)
; Group : WORD -> "int"
; BufferLength : DWORD* in/out -> "var"
; ProcessorIdleCycleTime : ULONGLONG* optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procQueryIdleProcessorCycleTimeEx = kernel32.NewProc("QueryIdleProcessorCycleTimeEx")
)

// Group (WORD), BufferLength (DWORD* in/out), ProcessorIdleCycleTime (ULONGLONG* optional, out)
r1, _, err := procQueryIdleProcessorCycleTimeEx.Call(
	uintptr(Group),
	uintptr(BufferLength),
	uintptr(ProcessorIdleCycleTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function QueryIdleProcessorCycleTimeEx(
  Group: Word;   // WORD
  BufferLength: Pointer;   // DWORD* in/out
  ProcessorIdleCycleTime: Pointer   // ULONGLONG* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'QueryIdleProcessorCycleTimeEx';

result := DllCall("KERNEL32\QueryIdleProcessorCycleTimeEx"
    , "UShort", Group   ; WORD
    , "Ptr", BufferLength   ; DWORD* in/out
    , "Ptr", ProcessorIdleCycleTime   ; ULONGLONG* optional, out
    , "Int")   ; return: BOOL

●QueryIdleProcessorCycleTimeEx(Group, BufferLength, ProcessorIdleCycleTime) = DLL("KERNEL32.dll", "bool QueryIdleProcessorCycleTimeEx(int, void*, void*)")
# 呼び出し: QueryIdleProcessorCycleTimeEx(Group, BufferLength, ProcessorIdleCycleTime)
# Group : WORD -> "int"
# BufferLength : DWORD* in/out -> "void*"
# ProcessorIdleCycleTime : ULONGLONG* optional, out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。