Title:
スケジューリング方法および情報処理システム
Document Type and Number:
Japanese Patent JP4025260
Kind Code:
B2
Abstract:
An information processing system performs a real-time operation periodically at specific time intervals. The system includes a unit for performing a scheduling operation of assigning the real-time operation to a processor (12) to perform the real-time operation periodically at the specific time intervals by the processor (12), a unit for computing a ratio of an execution time of the real-time operation to be performed by the processor (12) at a first operating speed to each of the specific time intervals, based on the specific time intervals and cost information concerning a time required to perform the real-time operation by the processor (12) at the first operating speed, and a unit for performing an operating speed control operation to operate the processor at a second operating speed that is lower than the first operating speed, the second operating speed being determined based on the computed ratio.
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Inventors:
Tatsunori Kanai
Seiji Maeda
Hirokuni Yano
Kenichiro Yoshii
Seiji Maeda
Hirokuni Yano
Kenichiro Yoshii
Application Number:
JP2003207572A
Publication Date:
December 19, 2007
Filing Date:
August 14, 2003
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
G06F1/32; G06F1/04; G06F9/38; G06F9/46; G06F9/48; G06F15/80
Domestic Patent References:
| JP2000122747A | ||||
| JP2003099148A | ||||
| JP2002215599A | ||||
| JP8076874A | ||||
| JP2003140787A | ||||
| JP11194849A | ||||
| JP11167629A |
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Sadao Muramatsu
Ryo Hashimoto