Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp @ 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 | 05c6d52fa7a9 |
| children | 7bb995fbd3c0 |
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| 598:1fa16c3565be | 615:c6c601a0f2d6 |
|---|---|
| 123 VerifyBeforeGC) { | 123 VerifyBeforeGC) { |
| 124 old_gen->verify_object_start_array(); | 124 old_gen->verify_object_start_array(); |
| 125 perm_gen->verify_object_start_array(); | 125 perm_gen->verify_object_start_array(); |
| 126 } | 126 } |
| 127 | 127 |
| 128 heap->pre_full_gc_dump(); | |
| 129 | |
| 128 // Filled in below to track the state of the young gen after the collection. | 130 // Filled in below to track the state of the young gen after the collection. |
| 129 bool eden_empty; | 131 bool eden_empty; |
| 130 bool survivors_empty; | 132 bool survivors_empty; |
| 131 bool young_gen_empty; | 133 bool young_gen_empty; |
| 132 | 134 |
| 361 | 363 |
| 362 if (PrintHeapAtGC) { | 364 if (PrintHeapAtGC) { |
| 363 Universe::print_heap_after_gc(); | 365 Universe::print_heap_after_gc(); |
| 364 } | 366 } |
| 365 | 367 |
| 368 heap->post_full_gc_dump(); | |
| 369 | |
| 366 #ifdef TRACESPINNING | 370 #ifdef TRACESPINNING |
| 367 ParallelTaskTerminator::print_termination_counts(); | 371 ParallelTaskTerminator::print_termination_counts(); |
| 368 #endif | 372 #endif |
| 369 } | 373 } |
| 370 | 374 |