JDK-6924453 : Replace/rename PrintGCApplication{Concurrent|Stopped}Time flags.
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 7
  • Priority: P4
  • Status: Closed
  • Resolution: Other
  • OS: generic
  • CPU: generic
  • Submitted: 2010-02-08
  • Updated: 2020-09-24
  • Resolved: 2020-09-24
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Description
The flags PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime should be replaced/renamed to PrintInterSafepointIntervals and PrintSafepointDurations repectively.

These flags print the application execution times between, and the durations of, ALL safepoints (not just safepoints associated with GC events) and so having "GC" in the names of these flags is a misnomer and misleading.

Specifically these flags will print out the application execution times between, and the durations of, safepoints caused by having to clean up inline cache transition stubs.

Comments
These flags are gone.
24-09-2020

EVALUATION As part of the review comments for 6782663, it was requested that the flags PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime be replaced/renamed to something more appropriate. In jdk7 it was decided that the old flag names would still be accepted but emit a suitable warning and set the new flag appropriately.
08-02-2010