Mechanisms to detect priority inversion
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United States of America Patent
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Apr 1, 2014
Issued Date -
N/A
app pub date -
Nov 18, 2008
filing date -
Nov 18, 2008
priority date (Note) -
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Abstract
A method, computer program product, and device are provided for detecting and identifying priority inversion. A higher priority thread and a lower priority thread are received. A debugging application for debugging is executed. The lower priority thread requests and holds a resource. A break point is hit by the lower priority thread. The lower priority thread is preempted by the higher priority thread, and debugging stops until the higher priority thread completes. The higher priority thread requests the resource being held by the lower priority thread. It is determined whether priority inversion occurs.
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