--- old/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp	2011-01-27 10:33:01.781250000 +0100
+++ new/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp	2011-01-27 10:33:01.062500000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -45,7 +45,9 @@
   VM_G1OperationWithAllocRequest(unsigned int gc_count_before,
                                  size_t       word_size)
     : VM_GC_Operation(gc_count_before),
-      _word_size(word_size), _result(NULL), _pause_succeeded(false) { }
+      _word_size(word_size), _result(NULL), _pause_succeeded(false) {
+    _gc_cause = GCCause::_allocation_failure;
+  }
   HeapWord* result() { return _result; }
   bool pause_succeeded() { return _pause_succeeded; }
 };
--- old/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp	2011-01-27 10:33:16.781250000 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp	2011-01-27 10:33:16.078125000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,6 +39,7 @@
   _is_tlab(is_tlab),
   _result(NULL)
 {
+  _gc_cause = GCCause::_allocation_failure;
 }
 
 void VM_ParallelGCFailedAllocation::doit() {
@@ -61,6 +62,7 @@
   _size(size),
   _result(NULL)
 {
+  _gc_cause = GCCause::_allocation_failure;
 }
 
 void VM_ParallelGCFailedPermanentAllocation::doit() {
--- old/src/share/vm/gc_implementation/shared/vmGCOperations.hpp	2011-01-27 10:33:20.609375000 +0100
+++ new/src/share/vm/gc_implementation/shared/vmGCOperations.hpp	2011-01-27 10:33:19.890625000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -138,6 +138,7 @@
     VM_GC_Operation(0 /* total collections,      dummy, ignored */,
                     0 /* total full collections, dummy, ignored */,
                     request_full_gc) {
+    _gc_cause = GCCause::_heap_inspection;
     _out = out;
     _full_gc = request_full_gc;
     _need_prologue = need_prologue;
@@ -163,6 +164,7 @@
     : VM_GC_Operation(gc_count_before),
       _size(size),
       _tlab(tlab) {
+    _gc_cause = GCCause::_allocation_failure;
     _res = NULL;
   }
   ~VM_GenCollectForAllocation()  {}
--- old/src/share/vm/services/heapDumper.cpp	2011-01-27 10:33:24.546875000 +0100
+++ new/src/share/vm/services/heapDumper.cpp	2011-01-27 10:33:23.812500000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1391,6 +1391,7 @@
     VM_GC_Operation(0 /* total collections,      dummy, ignored */,
                     0 /* total full collections, dummy, ignored */,
                     gc_before_heap_dump) {
+    _gc_cause = GCCause::_heap_dump;
     _local_writer = writer;
     _gc_before_heap_dump = gc_before_heap_dump;
     _is_segmented_dump = false;