CPU utilization metering on systems that include multiple hardware threads per core
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United States of America Patent
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Mar 14, 2017
Grant Date -
Apr 2, 2015
app pub date -
Aug 15, 2014
filing date -
Jun 7, 2006
priority date (Note) -
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Abstract
Indicating usage in a system includes implementing a performance counter associated with one or more hardware threads; counting events associated with the one or more hardware threads to determine an event count; deriving an initial measure of usage of a processor core associated with the one or more hardware threads based at least in part on the event count; applying a corrective function to modify the initial measure of usage and determine a modified measure of usage, wherein the modified measure of usage has a value that is different from and not equivalent to the initial measure of usage; and outputting an indication of a processor usage, the indication being based at least in part on the modified measure of usage.
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