Int 2F Fn 5481  U - Power.exe - Get Statistics                             [p]

   AX = 5481h
   BX = which statistics
       0000h idle detection
       0001h APM statistics
   CX = length of buffer in bytes
   DS:SI -> buffer for statistics (see #2529,#2530)

Return: AX = status
       0000h successful
       0071h "ERROR_PM_BUFFER_TOO_SMALL"
       0087h "ERROR_PM_INVALID_PARAMETER"

See Also: AH=53h,AX=5400h,AX=5480h,AX=5402h,AX=5482h

Format of POWER.EXE idle detection statistics:
Offset Size    Description (Table 2529)
 00h   DWORD   "CPU_ON_TIME" total time CPU is active with POWER.EXE idle
         detection enabled, in timer ticks
 04h   DWORD   "CPU_IDLE_TIME" timer ticks during which CPU was idle
       (divide by previous to get idle rate)
 08h   DWORD   total idle calls
 0Ch   DWORD   "TOTAL_APP_IDLE" total INT 2Fh idle calls
 10h   DWORD   "TOTAL_DOS_YIELD" total INT 28h idle calls
 14h   DWORD   "TOTAL_KEY_IDLE" total INT 16h idle calls
 18h   DWORD   "TOTAL_DOS_IDLE" total INT 2Ah idle calls

Format of APM statistics:
Offset Size    Description (Table 2530)
 00h   DWORD   "RESUME_COUNT" total number of resumes since last APM_ENABLE