JDK-8219100 : Improve do_collection_pause_at_safepoint
- Type: Enhancement
- Component: hotspot
- Sub-Component: gc
- Affected Version: 13
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2019-02-15
- Updated: 2019-04-16
- Resolved: 2019-03-25
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| JDK 13 |
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13 b14Fixed  |
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Description
The main method for doing young collection (everything in G1CollectedHeap::do_collection_pause_at_safepoint()) should be reorganized a little - it's one of the larger methods in G1CollectedHeap code and over time got really messy. There is a bit of everything here mixed together implicating dependencies where there are likely none. Group together related initialization (collection set, alloc regions, ...) a bit more. (This is considered a first attempt on cleaning this problem up a little, not necessarily a full-scale refactoring)