Scalable system call stack sampling

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United States of America Patent

PATENT NO 8799904
APP PUB NO 20120191893A1
SERIAL NO

13011621

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Abstract

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An interrupt is generated based on an event. Further, a thread is selected for monitoring. In addition, an interrupt handler captures information for the monitored thread. An affinity of the monitored thread is set such that the monitored thread runs only on a current processor without being able to migrate to a different processor. A sampler thread that runs on the current processor retrieves a call stack associated with a monitored thread after the affinity of the monitored thread has been set to the current processor.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuiper, Kean G Round Rock, US 14 354
Levine, Frank E Austin, US 26 710

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