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Shielding real-time workloads from OS jitter due to expedited grace periods

  • US 10,162,644 B2
  • Filed: 02/05/2017
  • Issued: 12/25/2018
  • Est. Priority Date: 08/11/2016
  • Status: Active Grant
First Claim
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1. A method for shielding real-time workloads from operating system (OS) jitter due to expedited read-copy update (RCU) grace periods, said method comprising:

  • setting a kernel parameter indicating that expedited RCU grace periods are to be suppressed;

    checking said kernel parameter to determine if it is set; and

    invoking a normal non-expedited RCU grace period in response to attempted invocation of an expedited RCU grace period if said checking reveals that said kernel parameter is set.

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