METHOD AND APPARATUS FOR ACCURATE MEASUREMENT OF PLATFORM POWER

METHOD AND APPARATUS FOR ACCURATE MEASUREMENT OF PLATFORM POWER

A Power Management Controller (PMC) which manages power states of a platform, informs a power accumulator device to start measuring the platform power during entry into the low power state (e.g., S0iX). The power accumulator device starts measuring the power until a stop message comes from the PMC....

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Hauptverfasser: Ragothaman, Javahar, G, Naveen, Gettimalli, Govindaraj, Rajagopal, Pannerkumar, Ranganathan, Sriram
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator Ragothaman, Javahar
G, Naveen
Gettimalli, Govindaraj
Rajagopal, Pannerkumar
Ranganathan, Sriram
description A Power Management Controller (PMC) which manages power states of a platform, informs a power accumulator device to start measuring the platform power during entry into the low power state (e.g., S0iX). The power accumulator device starts measuring the power until a stop message comes from the PMC. The PMC on detection of any wake event initiates a stop message to the power accumulator device. Once an operating system (OS) context is restored, software can read the measured data from the power accumulator device. The measured data is accessible to a host software using standard software application programming interface (API) and can be used to influence the power policies of the system.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title METHOD AND APPARATUS FOR ACCURATE MEASUREMENT OF PLATFORM POWER
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