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diff src/share/vm/runtime/os.cpp @ 615:c6c601a0f2d6

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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 773234c55e8c
children bcedf688d882
line wrap: on
line diff
--- a/src/share/vm/runtime/os.cpp	Fri Feb 27 15:30:47 2009 -0800
+++ b/src/share/vm/runtime/os.cpp	Mon Mar 02 16:37:04 2009 -0800
@@ -207,7 +207,8 @@
         VMThread::execute(&op1);
         Universe::print_heap_at_SIGBREAK();
         if (PrintClassHistogram) {
-          VM_GC_HeapInspection op1(gclog_or_tty, true /* force full GC before heap inspection */);
+          VM_GC_HeapInspection op1(gclog_or_tty, true /* force full GC before heap inspection */,
+                                   true /* need_prologue */);
           VMThread::execute(&op1);
         }
         if (JvmtiExport::should_post_data_dump()) {