System and method for adaptive information handling system power management
First Claim
1. An information handling system comprising:
- plural processing components operable to process information;
a power manager running on the processing components, the power manager operable to transition selected of the processing components between an operational state and plural reduced power states according to default settings, the reduced power states including a standby state having operating system recovery information stored in random access memory and a hibernate state having operating system recovery information stored in persistent memory; and
a power usage table interfaced with the power manager, the power usage table having one or more fast resume time periods;
wherein the power manager is further operable to override default setting transitions from the standby state to the hibernate state during the fast resume time periods.
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Abstract
Information handling system power management in standby and hibernate states is adapted to reduce transition times for end user requests to resume to an operational state. During fast resume time periods, transitions to the hibernate state are limited so that recovery to an operational states has the reduced resume time associated with the standby state. The fast resume time periods are set by user preference or automatically set by monitoring end user interactions with the information handling system to predict fast resume times appropriate for the end user. In one embodiment, a power manager automatically transitions the information handling system from the hibernate state to a standby state a predetermined time period before a fast resume period begins.
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Citations
20 Claims
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1. An information handling system comprising:
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plural processing components operable to process information; a power manager running on the processing components, the power manager operable to transition selected of the processing components between an operational state and plural reduced power states according to default settings, the reduced power states including a standby state having operating system recovery information stored in random access memory and a hibernate state having operating system recovery information stored in persistent memory; and a power usage table interfaced with the power manager, the power usage table having one or more fast resume time periods; wherein the power manager is further operable to override default setting transitions from the standby state to the hibernate state during the fast resume time periods. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for managing information handling system power usage, the method comprising:
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determining one or more fast resume time periods; powering down the information handling system to a standby state after a predetermined period of end user inactivity, the standby state having operating system recovery information stored in random access memory; powering down the information handling system from the standby state to a hibernate state after a predetermined period of end user inactivity, the hibernate state having operating system recovery information stored in persistent memory; and limiting the powering down of the information handling system from the standby state to the hibernate state during the fast resume time periods. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A system for managing information handling system power consumption, the system comprising:
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a power manager operable to transition the information handling system between an operational state, a standby state having a standby resume time and a hibernate state having a hibernate resume time, the standby state resume time being less than the hibernate state resume time; and a power usage table storing fast resume time periods; wherein the power manager is further operable to limit transitions from the standby state to the hibernate state during the fast resume time periods. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification