1. A method for power management in a computer system including multiple processors and multiple power supplies operable to supply power to the multiple processors, the method comprising: receiving a notification of a pending change in an operating status of one or more of the multiple processors at a power management engine; and in response to the received notification: accessing, by the power management engine, a dynamic table listing historical power-related data regarding the one or more of the multiple processors having the pending change in the operating status; determining an adjustment of the one or more of the multiple power supplies by the power management engine based at least on the accessed historical power-related data regarding the one or more of the multiple processors; and adjusting one or more of the multiple power supplies by the power management engine before the pending change in the operating status of the one or more of the multiple processors is implemented.