Forced idle of a data processing system
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United States of America Patent
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Jul 17, 2012
Grant Date -
Sep 8, 2011
app pub date -
May 20, 2011
filing date -
Jan 7, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Exemplary embodiments of methods and apparatuses to manage a power of a data processing system are described. One or more constraint parameters of a system are monitored. The data processing system is forced into an idle state for a first portion of a time while allowed to operate for a second portion of the time based on the one or more constraint parameters, wherein the system is forced into the idle state in response to comparing a target idle time to an actual idle time. The target idle time of the system is determined, in one embodiment, based on the one or more constraint parameters. The actual idle time of the system may be monitored to take into account interrupts which disrupt an idle time and idle times resulting from no software instructions to execute. The system may be allowed to operate based on comparisons of the target idle time and the actual idle time.
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