Mercurial > hg > truffle
diff src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp @ 483:0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
Reviewed-by: jmasa
| author | jcoomes |
|---|---|
| date | Thu, 11 Dec 2008 12:05:21 -0800 |
| parents | 7c2386d67889 |
| children | 234c22e54b98 |
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--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp Thu Dec 11 12:05:14 2008 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp Thu Dec 11 12:05:21 2008 -0800 @@ -968,6 +968,20 @@ // Clear the summary data source_region field for the specified addresses. static void clear_source_region(HeapWord* beg_addr, HeapWord* end_addr); +#ifndef PRODUCT + // Routines to provoke splitting a young gen space (ParallelOldGCSplitALot). + + // Fill the region [start, start + words) with live object(s). Only usable + // for the old and permanent generations. + static void fill_with_live_objects(SpaceId id, HeapWord* const start, + size_t words); + // Include the new objects in the summary data. + static void summarize_new_objects(SpaceId id, HeapWord* start); + + // Add live objects and/or choose the dense prefix to provoke splitting. + static void provoke_split(bool & maximum_compaction); +#endif + static void summarize_spaces_quick(); static void summarize_space(SpaceId id, bool maximum_compaction); static void summary_phase(ParCompactionManager* cm, bool maximum_compaction);