Collaborative processor and system performance and energy management

摘要

An apparatus comprising: a processor and memory with instructions to be executed by the processor, the instructions, when executed, implementing an operating system (BS) and identifying capability registers (502), comprising: a high performance register , a nominal power register and a lowest power register, the skill registers (502) being arranged to display a scale of available performance levels to the BS, the skill registers (502) being separate from one or more control registers (504) and the skill registers ( 502) include a guaranteed performance register to specify a resource descriptor that describes a current guaranteed level of performance.