Power efficient watchdog service
First Claim
1. An electronic device, comprising:
- a first processor;
a computer readable memory medium; and
logic instructions stored in the computer readable medium which, when executed by the first processor, configure the first processor to implement a watchdog module which;
monitors an operating status of one or more critical processes executing on the first processor; and
implements a recovery process when the one or more of the critical processes executing on the first processor fails; and
a system controller unit coupled to the first processor by a communication bus, wherein system controller unit activates the watchdog module periodically and only when the first processor is in at least one predetermined power state.
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Abstract
An electronic device comprises a first processor, a computer readable memory medium and logic instructions stored in the computer readable medium which, when executed by the first processor, configure the first processor to implement a watchdog module which monitors an operating status of one or more critical processes executing on the first processor and implements a recovery process when the one or more of the critical processes executing on the first processor fails. The device further comprises a system controller unit coupled to the first processor by a communication bus, wherein system controller unit activates the watchdog module periodically and only when the first processor is in at least one predetermined power state. Other embodiments may be described.
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Citations
22 Claims
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1. An electronic device, comprising:
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a first processor; a computer readable memory medium; and logic instructions stored in the computer readable medium which, when executed by the first processor, configure the first processor to implement a watchdog module which; monitors an operating status of one or more critical processes executing on the first processor; and implements a recovery process when the one or more of the critical processes executing on the first processor fails; and a system controller unit coupled to the first processor by a communication bus, wherein system controller unit activates the watchdog module periodically and only when the first processor is in at least one predetermined power state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method to implement a power efficient watchdog service in an electronic device, comprising:
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on a first processor; monitoring an operating status of one or more critical processes executing on a first processor; and implementing a recovery process when the one or more of the critical processes executing on the first processor fails; and activating, on a system controller unit coupled to the first processor by a communication bus a watchdog module periodically and only when the first processor is in at least one predetermined power state. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification