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Detection of Excessive Interrupt Disablement
Detection of Excessive Interrupt Disablement - a new feature which can detect a period of excessive interrupt disablement on a CPU, and create an error log record to report it. This allows you to know if privileged code running on a system is unduly (and silently) impacting performance.
It also helps to identify and improve such offending code paths before the problems manifest in ways that have proven very difficult to diagnose in the past.
2017-12-21
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