| US 7,461,276 B2 | ||
| CPU power adjustment method | ||
| Toyohisa Imada, Isehara (Japan); and Takuichi Hoshina, Hadano (Japan) | ||
| Assigned to Hitachi, Ltd., Tokyo (Japan) | ||
| Filed on May 10, 2006, as Appl. No. 11/430,830. | ||
| Application 11/430830 is a continuation of application No. 10/156100, filed on May 29, 2002, granted, now 7,073,076. | ||
| Application 10/156100 is a continuation of application No. 09/228296, filed on Jan. 08, 1999, granted, now 6,408,393. | ||
| Claims priority of application No. 10-002795 (JP), filed on Jan. 09, 1998. | ||
| Prior Publication US 2006/0206893 A1, Sep. 14, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. G06F 1/00 (2006.01) | ||
| U.S. Cl. 713—300 [713/323; 713/324; 713/330; 718/1] | 4 Claims |

| 1. In a virtual machine system in which a plurality of virtual machines defined by users are operated for the users on a physical
machine under a control program, a CPU power adjustment method comprising the steps of:
storing arrangement information for said plurality of virtual machines in an arrangement information storage of said virtual
machine system; and
storing a CPU power coefficient in a CPU power storage of said virtual machine system, said CPU power coefficient indicating
a CPU power rate of said virtual machine system assigned to said plurality of virtual machines;
wherein said arrangement information includes user defined service rates, and
wherein said method further comprises under said control program the steps of:
entering each user-defined virtual machine in said arrangement information storage; and
assigning a CPU service rate determined based on said CPU power coefficient multiplied by a user defined service rate of a
user-defined virtual machine to activate said user-defined virtual machine.
|