Mercurial > hg > truffle
comparison src/share/vm/services/heapDumper.hpp @ 615:c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
Summary: Call newly created CollectedHeap::dump_{pre,post}_full_gc before and after every stop-world full collection cycle on GenCollectedHeap and ParallelScavengeHeap. (Support for G1CollectedHeap forthcoming under CR 6810861.) Small modifications to existing heap dumping and class histogram implementation, especially to allow multiple on-the-fly histos/dumps by the VM thread during a single safepoint.
Reviewed-by: jmasa, alanb, mchung
| author | ysr |
|---|---|
| date | Mon, 02 Mar 2009 16:37:04 -0800 |
| parents | a61af66fc99e |
| children | c18cbe5936b8 |
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| 598:1fa16c3565be | 615:c6c601a0f2d6 |
|---|---|
| 51 // internal timer. | 51 // internal timer. |
| 52 elapsedTimer* timer() { return &_t; } | 52 elapsedTimer* timer() { return &_t; } |
| 53 | 53 |
| 54 public: | 54 public: |
| 55 HeapDumper(bool gc_before_heap_dump) : | 55 HeapDumper(bool gc_before_heap_dump) : |
| 56 _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(false) { } | 56 _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(false) { } |
| 57 HeapDumper(bool gc_before_heap_dump, bool print_to_tty) : | 57 HeapDumper(bool gc_before_heap_dump, bool print_to_tty) : |
| 58 _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(print_to_tty) { } | 58 _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(print_to_tty) { } |
| 59 | 59 |
| 60 ~HeapDumper(); | 60 ~HeapDumper(); |
| 61 | 61 |