METHOD AND APPARATUS FOR SPECIFYING FACTORS THAT IMPEDE POWER SAVINGS OF A PROCESSOR

Register CIPO Patent
Document Number 02527326
Status In Force
Filing Date 2004-05-25
Open to Public Date 2004-12-09
Publication Date 2004-12-09
Grant Date 2015-07-28
Owner LENOVO (SINGAPORE) PTE. LTD. (Singapore)
Inventor
  • Yoshiyama, Noritoshi
  • Inui, Takashi
  • Tadokoro, Mizuho

Abstract

A data processing system capable of specifying impeding factors that impede power savings is disclosed. The data processing system includes a central processing unit, an operation mode detection unit, and an impeding factors specifying unit. The central processing unit has multiple operation modes, and each of the operation modes has a different rate of power consumption. The operation mode detection unit detects an operation mode of the central processing unit. Based on a history of operation modes of the central processing unit that was detected by the operation mode detection unit, the impeding factors specifying unit specifies a device that considered as an impeding factor to power savings for the data processing system.