Patent ID: 8341628

Claim:
A computer program product, comprising: a computer readable storage medium; and computer readable program stored on the computer readable storage medium, wherein the computer readable program, when executed on a computing device, causes the computing device to: generate a cede latency settings information (CLSI) data, wherein said CLSI data includes available idle states and wake-up characteristics for virtual processors, and wherein said wake-up characteristics of said CLSI data includes a maximum wake-up latency in time base ticks; responsive to booting a logical partition, communicate said CLSI data to an operating system (OS) of said logical partition; determine, based upon said CLSI data, a particular idle state of a virtual processor under a control of said OS; and responsive to said OS calling a virtualization layer, communicate said particular idle state of said virtual processor to said virtualization layer for assigning said particular idle state and wake-up characteristics to said virtual processor.