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  1. JDK
  2. JDK-8153224 Monitor deflation prolong safepoints
  3. JDK-8235795

replace monitor list mux{Acquire,Release}(&gListLock) with spin locks

    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 8u72, 9, 15
    • Fix Version/s: 15
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b09

      Description

      A comment from the JDK-8153224 review thread:

      > Most of the comments in the CR8/v2.08/11-for-jdk14 code review cycle were
      > on the monitor list changes so I'm going to take a look at extracting those
      > changes into a standalone patch. Switching from Thread::muxAcquire(&gListLock)
      > and Thread::muxRelease(&gListLock) to finer grained internal spin locks needs
      > to be thoroughly reviewed and the best way to do that is separately from the
      > Async Monitor Deflation changes. Thanks to Coleen for suggesting doing this
      > extraction earlier.

      This subtask is split off from the Async Monitor Deflation project
      that is tracked by JDK-8153224.

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              • Assignee:
                dcubed Daniel Daugherty
                Reporter:
                dcubed Daniel Daugherty
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                Dates

                • Created:
                  Updated:
                  Resolved: