JDK-8165685 : Internal time base for MMU tracker should be nanoseconds
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 9
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2016-09-08
  • Updated: 2019-02-11
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tbdUnresolved
Related Reports
Relates :  
JDK-8165576 - Time base of G1 collector should not be seconds stored in doubles
Description
In G1MMUTracker, using doubles for storing time stamps and using a time base of seconds for them unecessarily adds overhead and inaccuracies.

Use nanoseconds/jlongs internally for storing times.