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Downstream device service latency reporting for power management

  • US 8,601,296 B2
  • Filed: 12/31/2008
  • Issued: 12/03/2013
  • Est. Priority Date: 12/31/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • first logic to identify a transition for at least a portion of a downstream device from a first state to a second, different state, wherein the first and second states correspond to different levels relating to activity for at least a portion of the downstream device; and

    second logic to transmit to an upstream device data corresponding to a service latency in response to the identified transition for one or more upstream devices to manage power based at least in part on the service latency,wherein the second logic is to wait a predetermined period of time after identification of the transition before transmitting the data.

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