# HG changeset patch
# User jwilhelm
# Date 1368770401 -7200
# Node ID 2f9ac66165e6e14152708a23786974b6ca3278d8
# Parent  e484fe2abebd9896858431327baecfa4ab92a197# Parent  2958af1d8c5a8aa2807f300db9b1a4b75d623890
Merge

diff -r e484fe2abebd -r 2f9ac66165e6 src/cpu/sparc/vm/globals_sparc.hpp
--- a/src/cpu/sparc/vm/globals_sparc.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/cpu/sparc/vm/globals_sparc.hpp	Fri May 17 08:00:01 2013 +0200
@@ -74,7 +74,7 @@
 define_pd_global(bool, UseMembar,            false);
 
 // GC Ergo Flags
-define_pd_global(intx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
+define_pd_global(uintx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
 
 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
                                                                             \
diff -r e484fe2abebd -r 2f9ac66165e6 src/cpu/x86/vm/globals_x86.hpp
--- a/src/cpu/x86/vm/globals_x86.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/cpu/x86/vm/globals_x86.hpp	Fri May 17 08:00:01 2013 +0200
@@ -77,7 +77,7 @@
 #endif
 
 // GC Ergo Flags
-define_pd_global(intx, CMSYoungGenPerWorker, 64*M);  // default max size of CMS young gen, per GC worker thread
+define_pd_global(uintx, CMSYoungGenPerWorker, 64*M);  // default max size of CMS young gen, per GC worker thread
 
 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
                                                                             \
diff -r e484fe2abebd -r 2f9ac66165e6 src/cpu/zero/vm/globals_zero.hpp
--- a/src/cpu/zero/vm/globals_zero.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/cpu/zero/vm/globals_zero.hpp	Fri May 17 08:00:01 2013 +0200
@@ -55,7 +55,7 @@
 define_pd_global(bool,  UseMembar,            true);
 
 // GC Ergo Flags
-define_pd_global(intx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
+define_pd_global(uintx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
 
 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)
 
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Fri May 17 08:00:01 2013 +0200
@@ -692,8 +692,7 @@
   _cmsGen ->init_initiating_occupancy(CMSInitiatingOccupancyFraction, CMSTriggerRatio);
 
   // Clip CMSBootstrapOccupancy between 0 and 100.
-  _bootstrap_occupancy = ((double)MIN2((uintx)100, MAX2((uintx)0, CMSBootstrapOccupancy)))
-                         /(double)100;
+  _bootstrap_occupancy = ((double)CMSBootstrapOccupancy)/(double)100;
 
   _full_gcs_since_conc_gc = 0;
 
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/concurrentMark.cpp
--- a/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Fri May 17 08:00:01 2013 +0200
@@ -4515,7 +4515,8 @@
     _total_used_bytes(0), _total_capacity_bytes(0),
     _total_prev_live_bytes(0), _total_next_live_bytes(0),
     _hum_used_bytes(0), _hum_capacity_bytes(0),
-    _hum_prev_live_bytes(0), _hum_next_live_bytes(0) {
+    _hum_prev_live_bytes(0), _hum_next_live_bytes(0),
+    _total_remset_bytes(0) {
   G1CollectedHeap* g1h = G1CollectedHeap::heap();
   MemRegion g1_committed = g1h->g1_committed();
   MemRegion g1_reserved = g1h->g1_reserved();
@@ -4533,23 +4534,25 @@
                  HeapRegion::GrainBytes);
   _out->print_cr(G1PPRL_LINE_PREFIX);
   _out->print_cr(G1PPRL_LINE_PREFIX
-                 G1PPRL_TYPE_H_FORMAT
-                 G1PPRL_ADDR_BASE_H_FORMAT
-                 G1PPRL_BYTE_H_FORMAT
-                 G1PPRL_BYTE_H_FORMAT
-                 G1PPRL_BYTE_H_FORMAT
-                 G1PPRL_DOUBLE_H_FORMAT,
-                 "type", "address-range",
-                 "used", "prev-live", "next-live", "gc-eff");
+                G1PPRL_TYPE_H_FORMAT
+                G1PPRL_ADDR_BASE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT
+                G1PPRL_DOUBLE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT,
+                "type", "address-range",
+                "used", "prev-live", "next-live", "gc-eff", "remset");
   _out->print_cr(G1PPRL_LINE_PREFIX
-                 G1PPRL_TYPE_H_FORMAT
-                 G1PPRL_ADDR_BASE_H_FORMAT
-                 G1PPRL_BYTE_H_FORMAT
-                 G1PPRL_BYTE_H_FORMAT
-                 G1PPRL_BYTE_H_FORMAT
-                 G1PPRL_DOUBLE_H_FORMAT,
-                 "", "",
-                 "(bytes)", "(bytes)", "(bytes)", "(bytes/ms)");
+                G1PPRL_TYPE_H_FORMAT
+                G1PPRL_ADDR_BASE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT
+                G1PPRL_DOUBLE_H_FORMAT
+                G1PPRL_BYTE_H_FORMAT,
+                "", "",
+                "(bytes)", "(bytes)", "(bytes)", "(bytes/ms)", "(bytes)");
 }
 
 // It takes as a parameter a reference to one of the _hum_* fields, it
@@ -4591,6 +4594,7 @@
   size_t prev_live_bytes = r->live_bytes();
   size_t next_live_bytes = r->next_live_bytes();
   double gc_eff          = r->gc_efficiency();
+  size_t remset_bytes    = r->rem_set()->mem_size();
   if (r->used() == 0) {
     type = "FREE";
   } else if (r->is_survivor()) {
@@ -4624,6 +4628,7 @@
   _total_capacity_bytes  += capacity_bytes;
   _total_prev_live_bytes += prev_live_bytes;
   _total_next_live_bytes += next_live_bytes;
+  _total_remset_bytes    += remset_bytes;
 
   // Print a line for this particular region.
   _out->print_cr(G1PPRL_LINE_PREFIX
@@ -4632,14 +4637,17 @@
                  G1PPRL_BYTE_FORMAT
                  G1PPRL_BYTE_FORMAT
                  G1PPRL_BYTE_FORMAT
-                 G1PPRL_DOUBLE_FORMAT,
+                 G1PPRL_DOUBLE_FORMAT
+                 G1PPRL_BYTE_FORMAT,
                  type, bottom, end,
-                 used_bytes, prev_live_bytes, next_live_bytes, gc_eff);
+                 used_bytes, prev_live_bytes, next_live_bytes, gc_eff , remset_bytes);
 
   return false;
 }
 
 G1PrintRegionLivenessInfoClosure::~G1PrintRegionLivenessInfoClosure() {
+  // add static memory usages to remembered set sizes
+  _total_remset_bytes += HeapRegionRemSet::fl_mem_size() + HeapRegionRemSet::static_mem_size();
   // Print the footer of the output.
   _out->print_cr(G1PPRL_LINE_PREFIX);
   _out->print_cr(G1PPRL_LINE_PREFIX
@@ -4647,13 +4655,15 @@
                  G1PPRL_SUM_MB_FORMAT("capacity")
                  G1PPRL_SUM_MB_PERC_FORMAT("used")
                  G1PPRL_SUM_MB_PERC_FORMAT("prev-live")
-                 G1PPRL_SUM_MB_PERC_FORMAT("next-live"),
+                 G1PPRL_SUM_MB_PERC_FORMAT("next-live")
+                 G1PPRL_SUM_MB_FORMAT("remset"),
                  bytes_to_mb(_total_capacity_bytes),
                  bytes_to_mb(_total_used_bytes),
                  perc(_total_used_bytes, _total_capacity_bytes),
                  bytes_to_mb(_total_prev_live_bytes),
                  perc(_total_prev_live_bytes, _total_capacity_bytes),
                  bytes_to_mb(_total_next_live_bytes),
-                 perc(_total_next_live_bytes, _total_capacity_bytes));
+                 perc(_total_next_live_bytes, _total_capacity_bytes),
+                 bytes_to_mb(_total_remset_bytes));
   _out->cr();
 }
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/concurrentMark.hpp
--- a/src/share/vm/gc_implementation/g1/concurrentMark.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/concurrentMark.hpp	Fri May 17 08:00:01 2013 +0200
@@ -1257,6 +1257,9 @@
   size_t _hum_prev_live_bytes;
   size_t _hum_next_live_bytes;
 
+  // Accumulator for the remembered set size
+  size_t _total_remset_bytes;
+
   static double perc(size_t val, size_t total) {
     if (total == 0) {
       return 0.0;
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/g1CardCounts.cpp
--- a/src/share/vm/gc_implementation/g1/g1CardCounts.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CardCounts.cpp	Fri May 17 08:00:01 2013 +0200
@@ -101,20 +101,23 @@
          ReservedSpace::allocation_align_size_up(_committed_size),
          err_msg("Unaligned? committed_size: " SIZE_FORMAT, _committed_size));
 
-  // Verify that the committed space for the card counts
-  // matches our committed max card num.
+  // Verify that the committed space for the card counts matches our
+  // committed max card num. Note for some allocation alignments, the
+  // amount of space actually committed for the counts table will be able
+  // to span more cards than the number spanned by the maximum heap.
   size_t prev_committed_size = _committed_size;
-  size_t prev_committed_card_num = prev_committed_size / sizeof(jbyte);
+  size_t prev_committed_card_num = committed_to_card_num(prev_committed_size);
+
   assert(prev_committed_card_num == _committed_max_card_num,
          err_msg("Card mismatch: "
                  "prev: " SIZE_FORMAT ", "
-                 "committed: "SIZE_FORMAT,
-                 prev_committed_card_num, _committed_max_card_num));
+                 "committed: "SIZE_FORMAT", "
+                 "reserved: "SIZE_FORMAT,
+                 prev_committed_card_num, _committed_max_card_num, _reserved_max_card_num));
 
   size_t new_size = (heap_capacity >> CardTableModRefBS::card_shift) * sizeof(jbyte);
   size_t new_committed_size = ReservedSpace::allocation_align_size_up(new_size);
-  size_t new_committed_card_num =
-                MIN2(_reserved_max_card_num, new_committed_size / sizeof(jbyte));
+  size_t new_committed_card_num = committed_to_card_num(new_committed_size);
 
   if (_committed_max_card_num < new_committed_card_num) {
     // we need to expand the backing store for the card counts
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/g1CardCounts.hpp
--- a/src/share/vm/gc_implementation/g1/g1CardCounts.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CardCounts.hpp	Fri May 17 08:00:01 2013 +0200
@@ -94,6 +94,14 @@
     return (jbyte*) (_ct_bot + card_num);
   }
 
+  // Helper routine.
+  // Returns the number of cards that can be counted by the given committed
+  // table size, with a maximum of the number of cards spanned by the max
+  // capacity of the heap.
+  size_t committed_to_card_num(size_t committed_size) {
+    return MIN2(_reserved_max_card_num, committed_size / sizeof(jbyte));
+  }
+
   // Clear the counts table for the given (exclusive) index range.
   void clear_range(size_t from_card_num, size_t to_card_num);
 
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Fri May 17 08:00:01 2013 +0200
@@ -1549,7 +1549,7 @@
     }
 
     if (G1Log::finer()) {
-      g1_policy()->print_detailed_heap_transition();
+      g1_policy()->print_detailed_heap_transition(true /* full */);
     }
 
     print_heap_after_gc();
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Fri May 17 08:00:01 2013 +0200
@@ -124,9 +124,12 @@
   _last_young_gc(false),
   _last_gc_was_young(false),
 
-  _eden_bytes_before_gc(0),
-  _survivor_bytes_before_gc(0),
-  _capacity_before_gc(0),
+  _eden_used_bytes_before_gc(0),
+  _survivor_used_bytes_before_gc(0),
+  _heap_used_bytes_before_gc(0),
+  _metaspace_used_bytes_before_gc(0),
+  _eden_capacity_bytes_before_gc(0),
+  _heap_capacity_bytes_before_gc(0),
 
   _eden_cset_region_length(0),
   _survivor_cset_region_length(0),
@@ -746,7 +749,7 @@
 
 void G1CollectorPolicy::record_full_collection_start() {
   _full_collection_start_sec = os::elapsedTime();
-  record_heap_size_info_at_start();
+  record_heap_size_info_at_start(true /* full */);
   // Release the future to-space so that it is available for compaction into.
   _g1->set_full_collection();
 }
@@ -803,7 +806,7 @@
   _trace_gen0_time_data.record_start_collection(s_w_t_ms);
   _stop_world_start = 0.0;
 
-  record_heap_size_info_at_start();
+  record_heap_size_info_at_start(false /* full */);
 
   phase_times()->record_cur_collection_start_sec(start_time_sec);
   _pending_cards = _g1->pending_card_num();
@@ -938,14 +941,6 @@
   _mmu_tracker->add_pause(end_time_sec - pause_time_ms/1000.0,
                           end_time_sec, false);
 
-  size_t freed_bytes =
-    _cur_collection_pause_used_at_start_bytes - cur_used_bytes;
-  size_t surviving_bytes = _collection_set_bytes_used_before - freed_bytes;
-
-  double survival_fraction =
-    (double)surviving_bytes/
-    (double)_collection_set_bytes_used_before;
-
   if (update_stats) {
     _trace_gen0_time_data.record_end_collection(pause_time_ms, phase_times());
     // this is where we update the allocation rate of the application
@@ -998,6 +993,7 @@
       }
     }
   }
+
   bool new_in_marking_window = _in_marking_window;
   bool new_in_marking_window_im = false;
   if (during_initial_mark_pause()) {
@@ -1083,8 +1079,10 @@
     }
     _rs_length_diff_seq->add((double) rs_length_diff);
 
-    size_t copied_bytes = surviving_bytes;
+    size_t freed_bytes = _heap_used_bytes_before_gc - cur_used_bytes;
+    size_t copied_bytes = _collection_set_bytes_used_before - freed_bytes;
     double cost_per_byte_ms = 0.0;
+
     if (copied_bytes > 0) {
       cost_per_byte_ms = phase_times()->average_last_obj_copy_time() / (double) copied_bytes;
       if (_in_marking_window) {
@@ -1148,51 +1146,61 @@
   byte_size_in_proper_unit((double)(bytes)),                    \
   proper_unit_for_byte_size((bytes))
 
-void G1CollectorPolicy::record_heap_size_info_at_start() {
+void G1CollectorPolicy::record_heap_size_info_at_start(bool full) {
   YoungList* young_list = _g1->young_list();
-  _eden_bytes_before_gc = young_list->eden_used_bytes();
-  _survivor_bytes_before_gc = young_list->survivor_used_bytes();
-  _capacity_before_gc = _g1->capacity();
-
-  _cur_collection_pause_used_at_start_bytes = _g1->used();
+  _eden_used_bytes_before_gc = young_list->eden_used_bytes();
+  _survivor_used_bytes_before_gc = young_list->survivor_used_bytes();
+  _heap_capacity_bytes_before_gc = _g1->capacity();
+  _heap_used_bytes_before_gc = _g1->used();
   _cur_collection_pause_used_regions_at_start = _g1->used_regions();
 
-  size_t eden_capacity_before_gc =
-         (_young_list_target_length * HeapRegion::GrainBytes) - _survivor_bytes_before_gc;
+  _eden_capacity_bytes_before_gc =
+         (_young_list_target_length * HeapRegion::GrainBytes) - _survivor_used_bytes_before_gc;
 
-  _prev_eden_capacity = eden_capacity_before_gc;
+  if (full) {
+    _metaspace_used_bytes_before_gc = MetaspaceAux::allocated_used_bytes();
+  }
 }
 
 void G1CollectorPolicy::print_heap_transition() {
   _g1->print_size_transition(gclog_or_tty,
-    _cur_collection_pause_used_at_start_bytes, _g1->used(), _g1->capacity());
+                             _heap_used_bytes_before_gc,
+                             _g1->used(),
+                             _g1->capacity());
 }
 
-void G1CollectorPolicy::print_detailed_heap_transition() {
-    YoungList* young_list = _g1->young_list();
-    size_t eden_bytes = young_list->eden_used_bytes();
-    size_t survivor_bytes = young_list->survivor_used_bytes();
-    size_t used_before_gc = _cur_collection_pause_used_at_start_bytes;
-    size_t used = _g1->used();
-    size_t capacity = _g1->capacity();
-    size_t eden_capacity =
-      (_young_list_target_length * HeapRegion::GrainBytes) - survivor_bytes;
+void G1CollectorPolicy::print_detailed_heap_transition(bool full) {
+  YoungList* young_list = _g1->young_list();
+
+  size_t eden_used_bytes_after_gc = young_list->eden_used_bytes();
+  size_t survivor_used_bytes_after_gc = young_list->survivor_used_bytes();
+  size_t heap_used_bytes_after_gc = _g1->used();
+
+  size_t heap_capacity_bytes_after_gc = _g1->capacity();
+  size_t eden_capacity_bytes_after_gc =
+    (_young_list_target_length * HeapRegion::GrainBytes) - survivor_used_bytes_after_gc;
 
-    gclog_or_tty->print_cr(
-      "   [Eden: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->"EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT") "
-      "Survivors: "EXT_SIZE_FORMAT"->"EXT_SIZE_FORMAT" "
-      "Heap: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->"
-      EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")]",
-      EXT_SIZE_PARAMS(_eden_bytes_before_gc),
-      EXT_SIZE_PARAMS(_prev_eden_capacity),
-      EXT_SIZE_PARAMS(eden_bytes),
-      EXT_SIZE_PARAMS(eden_capacity),
-      EXT_SIZE_PARAMS(_survivor_bytes_before_gc),
-      EXT_SIZE_PARAMS(survivor_bytes),
-      EXT_SIZE_PARAMS(used_before_gc),
-      EXT_SIZE_PARAMS(_capacity_before_gc),
-      EXT_SIZE_PARAMS(used),
-      EXT_SIZE_PARAMS(capacity));
+  gclog_or_tty->print(
+    "   [Eden: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->"EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT") "
+    "Survivors: "EXT_SIZE_FORMAT"->"EXT_SIZE_FORMAT" "
+    "Heap: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->"
+    EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")]",
+    EXT_SIZE_PARAMS(_eden_used_bytes_before_gc),
+    EXT_SIZE_PARAMS(_eden_capacity_bytes_before_gc),
+    EXT_SIZE_PARAMS(eden_used_bytes_after_gc),
+    EXT_SIZE_PARAMS(eden_capacity_bytes_after_gc),
+    EXT_SIZE_PARAMS(_survivor_used_bytes_before_gc),
+    EXT_SIZE_PARAMS(survivor_used_bytes_after_gc),
+    EXT_SIZE_PARAMS(_heap_used_bytes_before_gc),
+    EXT_SIZE_PARAMS(_heap_capacity_bytes_before_gc),
+    EXT_SIZE_PARAMS(heap_used_bytes_after_gc),
+    EXT_SIZE_PARAMS(heap_capacity_bytes_after_gc));
+
+  if (full) {
+    MetaspaceAux::print_metaspace_change(_metaspace_used_bytes_before_gc);
+  }
+
+  gclog_or_tty->cr();
 }
 
 void G1CollectorPolicy::adjust_concurrent_refinement(double update_rs_time,
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp	Fri May 17 08:00:01 2013 +0200
@@ -175,7 +175,6 @@
   CollectionSetChooser* _collectionSetChooser;
 
   double _full_collection_start_sec;
-  size_t _cur_collection_pause_used_at_start_bytes;
   uint   _cur_collection_pause_used_regions_at_start;
 
   // These exclude marking times.
@@ -194,7 +193,6 @@
 
   uint _young_list_target_length;
   uint _young_list_fixed_length;
-  size_t _prev_eden_capacity; // used for logging
 
   // The max number of regions we can extend the eden by while the GC
   // locker is active. This should be >= _young_list_target_length;
@@ -693,11 +691,11 @@
 
   // Records the information about the heap size for reporting in
   // print_detailed_heap_transition
-  void record_heap_size_info_at_start();
+  void record_heap_size_info_at_start(bool full);
 
   // Print heap sizing transition (with less and more detail).
   void print_heap_transition();
-  void print_detailed_heap_transition();
+  void print_detailed_heap_transition(bool full = false);
 
   void record_stop_world_start();
   void record_concurrent_pause();
@@ -861,9 +859,16 @@
   uint _max_survivor_regions;
 
   // For reporting purposes.
-  size_t _eden_bytes_before_gc;
-  size_t _survivor_bytes_before_gc;
-  size_t _capacity_before_gc;
+  // The value of _heap_bytes_before_gc is also used to calculate
+  // the cost of copying.
+
+  size_t _eden_used_bytes_before_gc;         // Eden occupancy before GC
+  size_t _survivor_used_bytes_before_gc;     // Survivor occupancy before GC
+  size_t _heap_used_bytes_before_gc;         // Heap occupancy before GC
+  size_t _metaspace_used_bytes_before_gc;    // Metaspace occupancy before GC
+
+  size_t _eden_capacity_bytes_before_gc;     // Eden capacity before GC
+  size_t _heap_capacity_bytes_before_gc;     // Heap capacity before GC
 
   // The amount of survivor regions after a collection.
   uint _recorded_survivor_regions;
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
--- a/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp	Fri May 17 08:00:01 2013 +0200
@@ -707,10 +707,11 @@
   // Cast away const in this case.
   MutexLockerEx x((Mutex*)&_m, Mutex::_no_safepoint_check_flag);
   size_t sum = 0;
-  PerRegionTable * cur = _first_all_fine_prts;
-  while (cur != NULL) {
-    sum += cur->mem_size();
-    cur = cur->next();
+  // all PRTs are of the same size so it is sufficient to query only one of them.
+  if (_first_all_fine_prts != NULL) {
+    assert(_last_all_fine_prts != NULL &&
+      _first_all_fine_prts->mem_size() == _last_all_fine_prts->mem_size(), "check that mem_size() is constant");
+    sum += _first_all_fine_prts->mem_size() * _n_fine_entries;
   }
   sum += (sizeof(PerRegionTable*) * _max_fine_entries);
   sum += (_coarse_map.size_in_words() * HeapWordSize);
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp	Fri May 17 08:00:01 2013 +0200
@@ -24,7 +24,6 @@
 
 #include "precompiled.hpp"
 #include "gc_implementation/parallelScavenge/parMarkBitMap.hpp"
-#include "gc_implementation/parallelScavenge/parMarkBitMap.inline.hpp"
 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/os.hpp"
@@ -108,31 +107,6 @@
   return false;
 }
 
-size_t
-ParMarkBitMap::live_words_in_range(HeapWord* beg_addr, HeapWord* end_addr) const
-{
-  assert(beg_addr <= end_addr, "bad range");
-
-  idx_t live_bits = 0;
-
-  // The bitmap routines require the right boundary to be word-aligned.
-  const idx_t end_bit = addr_to_bit(end_addr);
-  const idx_t range_end = BitMap::word_align_up(end_bit);
-
-  idx_t beg_bit = find_obj_beg(addr_to_bit(beg_addr), range_end);
-  while (beg_bit < end_bit) {
-    idx_t tmp_end = find_obj_end(beg_bit, range_end);
-    if (tmp_end < end_bit) {
-      live_bits += tmp_end - beg_bit + 1;
-      beg_bit = find_obj_beg(tmp_end + 1, range_end);
-    } else {
-      live_bits += end_bit - beg_bit;  // No + 1 here; end_bit is not counted.
-      return bits_to_words(live_bits);
-    }
-  }
-  return bits_to_words(live_bits);
-}
-
 size_t ParMarkBitMap::live_words_in_range(HeapWord* beg_addr, oop end_obj) const
 {
   assert(beg_addr <= (HeapWord*)end_obj, "bad range");
@@ -244,13 +218,6 @@
   return complete;
 }
 
-#ifndef PRODUCT
-void ParMarkBitMap::reset_counters()
-{
-  _cas_tries = _cas_retries = _cas_by_another = 0;
-}
-#endif  // #ifndef PRODUCT
-
 #ifdef ASSERT
 void ParMarkBitMap::verify_clear() const
 {
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.hpp
--- a/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.hpp	Fri May 17 08:00:01 2013 +0200
@@ -26,11 +26,11 @@
 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARMARKBITMAP_HPP
 
 #include "memory/memRegion.hpp"
-#include "gc_implementation/parallelScavenge/psVirtualspace.hpp"
-#include "utilities/bitMap.inline.hpp"
+#include "oops/oop.hpp"
+#include "utilities/bitMap.hpp"
 
-class oopDesc;
 class ParMarkBitMapClosure;
+class PSVirtualSpace;
 
 class ParMarkBitMap: public CHeapObj<mtGC>
 {
@@ -41,13 +41,11 @@
   enum IterationStatus { incomplete, complete, full, would_overflow };
 
   inline ParMarkBitMap();
-  inline ParMarkBitMap(MemRegion covered_region);
   bool initialize(MemRegion covered_region);
 
   // Atomically mark an object as live.
   bool mark_obj(HeapWord* addr, size_t size);
   inline bool mark_obj(oop obj, int size);
-  inline bool mark_obj(oop obj);
 
   // Return whether the specified begin or end bit is set.
   inline bool is_obj_beg(idx_t bit) const;
@@ -77,11 +75,6 @@
   // Return the size in words of the object (a search is done for the end bit).
   inline size_t obj_size(idx_t beg_bit)  const;
   inline size_t obj_size(HeapWord* addr) const;
-  inline size_t obj_size(oop obj)        const;
-
-  // Synonyms for the above.
-  size_t obj_size_in_words(oop obj) const { return obj_size((HeapWord*)obj); }
-  size_t obj_size_in_words(HeapWord* addr) const { return obj_size(addr); }
 
   // Apply live_closure to each live object that lies completely within the
   // range [live_range_beg, live_range_end).  This is used to iterate over the
@@ -124,15 +117,12 @@
                                  HeapWord* range_end,
                                  HeapWord* dead_range_end) const;
 
-  // Return the number of live words in the range [beg_addr, end_addr) due to
+  // Return the number of live words in the range [beg_addr, end_obj) due to
   // objects that start in the range.  If a live object extends onto the range,
   // the caller must detect and account for any live words due to that object.
   // If a live object extends beyond the end of the range, only the words within
-  // the range are included in the result.
-  size_t live_words_in_range(HeapWord* beg_addr, HeapWord* end_addr) const;
-
-  // Same as the above, except the end of the range must be a live object, which
-  // is the case when updating pointers.  This allows a branch to be removed
+  // the range are included in the result. The end of the range must be a live object,
+  // which is the case when updating pointers.  This allows a branch to be removed
   // from inside the loop.
   size_t live_words_in_range(HeapWord* beg_addr, oop end_obj) const;
 
@@ -156,22 +146,11 @@
   // Clear a range of bits or the entire bitmap (both begin and end bits are
   // cleared).
   inline void clear_range(idx_t beg, idx_t end);
-  inline void clear() { clear_range(0, size()); }
 
   // Return the number of bits required to represent the specified number of
   // HeapWords, or the specified region.
   static inline idx_t bits_required(size_t words);
   static inline idx_t bits_required(MemRegion covered_region);
-  static inline idx_t words_required(MemRegion covered_region);
-
-#ifndef PRODUCT
-  // CAS statistics.
-  size_t cas_tries() { return _cas_tries; }
-  size_t cas_retries() { return _cas_retries; }
-  size_t cas_by_another() { return _cas_by_another; }
-
-  void reset_counters();
-#endif  // #ifndef PRODUCT
 
   void print_on_error(outputStream* st) const {
     st->print_cr("Marking Bits: (ParMarkBitMap*) " PTR_FORMAT, this);
@@ -197,28 +176,11 @@
   BitMap          _beg_bits;
   BitMap          _end_bits;
   PSVirtualSpace* _virtual_space;
-
-#ifndef PRODUCT
-  size_t _cas_tries;
-  size_t _cas_retries;
-  size_t _cas_by_another;
-#endif  // #ifndef PRODUCT
 };
 
 inline ParMarkBitMap::ParMarkBitMap():
-  _beg_bits(),
-  _end_bits()
-{
-  _region_start = 0;
-  _virtual_space = 0;
-}
-
-inline ParMarkBitMap::ParMarkBitMap(MemRegion covered_region):
-  _beg_bits(),
-  _end_bits()
-{
-  initialize(covered_region);
-}
+  _beg_bits(), _end_bits(), _region_start(NULL), _region_size(0), _virtual_space(NULL)
+{ }
 
 inline void ParMarkBitMap::clear_range(idx_t beg, idx_t end)
 {
@@ -240,12 +202,6 @@
   return bits_required(covered_region.word_size());
 }
 
-inline ParMarkBitMap::idx_t
-ParMarkBitMap::words_required(MemRegion covered_region)
-{
-  return bits_required(covered_region) / BitsPerWord;
-}
-
 inline HeapWord*
 ParMarkBitMap::region_start() const
 {
@@ -350,11 +306,6 @@
   return obj_size(addr_to_bit(addr));
 }
 
-inline size_t ParMarkBitMap::obj_size(oop obj) const
-{
-  return obj_size((HeapWord*)obj);
-}
-
 inline ParMarkBitMap::IterationStatus
 ParMarkBitMap::iterate(ParMarkBitMapClosure* live_closure,
                        HeapWord* range_beg,
@@ -435,8 +386,10 @@
 
 inline void ParMarkBitMap::verify_addr(HeapWord* addr) const {
   // Allow one past the last valid address; useful for loop bounds.
-  assert(addr >= region_start(), "addr too small");
-  assert(addr <= region_start() + region_size(), "addr too big");
+  assert(addr >= region_start(),
+      err_msg("addr too small, addr: " PTR_FORMAT " region start: " PTR_FORMAT, addr, region_start()));
+  assert(addr <= region_end(),
+      err_msg("addr too big, addr: " PTR_FORMAT " region end: " PTR_FORMAT, addr, region_end()));
 }
 #endif  // #ifdef ASSERT
 
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.inline.hpp
--- a/src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.inline.hpp	Thu May 16 13:47:55 2013 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2005, 2010, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARMARKBITMAP_INLINE_HPP
-#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARMARKBITMAP_INLINE_HPP
-
-#include "oops/oop.hpp"
-
-inline bool
-ParMarkBitMap::mark_obj(oop obj)
-{
- return mark_obj(obj, obj->size());
-}
-
-#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARMARKBITMAP_INLINE_HPP
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.cpp	Fri May 17 08:00:01 2013 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, 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
@@ -201,15 +201,232 @@
                                            size_t cur_eden,
                                            size_t max_old_gen_size,
                                            size_t max_eden_size,
-                                           bool   is_full_gc,
-                                           GCCause::Cause gc_cause,
-                                           CollectorPolicy* collector_policy) {
+                                           bool   is_full_gc) {
+  compute_eden_space_size(young_live,
+                          eden_live,
+                          cur_eden,
+                          max_eden_size,
+                          is_full_gc);
+
+  compute_old_gen_free_space(old_live,
+                             cur_eden,
+                             max_old_gen_size,
+                             is_full_gc);
+}
+
+void PSAdaptiveSizePolicy::compute_eden_space_size(
+                                           size_t young_live,
+                                           size_t eden_live,
+                                           size_t cur_eden,
+                                           size_t max_eden_size,
+                                           bool   is_full_gc) {
 
   // Update statistics
   // Time statistics are updated as we go, update footprint stats here
   _avg_base_footprint->sample(BaseFootPrintEstimate);
   avg_young_live()->sample(young_live);
   avg_eden_live()->sample(eden_live);
+
+  // This code used to return if the policy was not ready , i.e.,
+  // policy_is_ready() returning false.  The intent was that
+  // decisions below needed major collection times and so could
+  // not be made before two major collections.  A consequence was
+  // adjustments to the young generation were not done until after
+  // two major collections even if the minor collections times
+  // exceeded the requested goals.  Now let the young generation
+  // adjust for the minor collection times.  Major collection times
+  // will be zero for the first collection and will naturally be
+  // ignored.  Tenured generation adjustments are only made at the
+  // full collections so until the second major collection has
+  // been reached, no tenured generation adjustments will be made.
+
+  // Until we know better, desired promotion size uses the last calculation
+  size_t desired_promo_size = _promo_size;
+
+  // Start eden at the current value.  The desired value that is stored
+  // in _eden_size is not bounded by constraints of the heap and can
+  // run away.
+  //
+  // As expected setting desired_eden_size to the current
+  // value of desired_eden_size as a starting point
+  // caused desired_eden_size to grow way too large and caused
+  // an overflow down stream.  It may have improved performance in
+  // some case but is dangerous.
+  size_t desired_eden_size = cur_eden;
+
+  // Cache some values. There's a bit of work getting these, so
+  // we might save a little time.
+  const double major_cost = major_gc_cost();
+  const double minor_cost = minor_gc_cost();
+
+  // This method sets the desired eden size.  That plus the
+  // desired survivor space sizes sets the desired young generation
+  // size.  This methods does not know what the desired survivor
+  // size is but expects that other policy will attempt to make
+  // the survivor sizes compatible with the live data in the
+  // young generation.  This limit is an estimate of the space left
+  // in the young generation after the survivor spaces have been
+  // subtracted out.
+  size_t eden_limit = max_eden_size;
+
+  const double gc_cost_limit = GCTimeLimit/100.0;
+
+  // Which way should we go?
+  // if pause requirement is not met
+  //   adjust size of any generation with average paus exceeding
+  //   the pause limit.  Adjust one pause at a time (the larger)
+  //   and only make adjustments for the major pause at full collections.
+  // else if throughput requirement not met
+  //   adjust the size of the generation with larger gc time.  Only
+  //   adjust one generation at a time.
+  // else
+  //   adjust down the total heap size.  Adjust down the larger of the
+  //   generations.
+
+  // Add some checks for a threshold for a change.  For example,
+  // a change less than the necessary alignment is probably not worth
+  // attempting.
+
+
+  if ((_avg_minor_pause->padded_average() > gc_pause_goal_sec()) ||
+      (_avg_major_pause->padded_average() > gc_pause_goal_sec())) {
+    //
+    // Check pauses
+    //
+    // Make changes only to affect one of the pauses (the larger)
+    // at a time.
+    adjust_eden_for_pause_time(is_full_gc, &desired_promo_size, &desired_eden_size);
+
+  } else if (_avg_minor_pause->padded_average() > gc_minor_pause_goal_sec()) {
+    // Adjust only for the minor pause time goal
+    adjust_eden_for_minor_pause_time(is_full_gc, &desired_eden_size);
+
+  } else if(adjusted_mutator_cost() < _throughput_goal) {
+    // This branch used to require that (mutator_cost() > 0.0 in 1.4.2.
+    // This sometimes resulted in skipping to the minimize footprint
+    // code.  Change this to try and reduce GC time if mutator time is
+    // negative for whatever reason.  Or for future consideration,
+    // bail out of the code if mutator time is negative.
+    //
+    // Throughput
+    //
+    assert(major_cost >= 0.0, "major cost is < 0.0");
+    assert(minor_cost >= 0.0, "minor cost is < 0.0");
+    // Try to reduce the GC times.
+    adjust_eden_for_throughput(is_full_gc, &desired_eden_size);
+
+  } else {
+
+    // Be conservative about reducing the footprint.
+    //   Do a minimum number of major collections first.
+    //   Have reasonable averages for major and minor collections costs.
+    if (UseAdaptiveSizePolicyFootprintGoal &&
+        young_gen_policy_is_ready() &&
+        avg_major_gc_cost()->average() >= 0.0 &&
+        avg_minor_gc_cost()->average() >= 0.0) {
+      size_t desired_sum = desired_eden_size + desired_promo_size;
+      desired_eden_size = adjust_eden_for_footprint(desired_eden_size, desired_sum);
+    }
+  }
+
+  // Note we make the same tests as in the code block below;  the code
+  // seems a little easier to read with the printing in another block.
+  if (PrintAdaptiveSizePolicy) {
+    if (desired_eden_size > eden_limit) {
+      gclog_or_tty->print_cr(
+            "PSAdaptiveSizePolicy::compute_eden_space_size limits:"
+            " desired_eden_size: " SIZE_FORMAT
+            " old_eden_size: " SIZE_FORMAT
+            " eden_limit: " SIZE_FORMAT
+            " cur_eden: " SIZE_FORMAT
+            " max_eden_size: " SIZE_FORMAT
+            " avg_young_live: " SIZE_FORMAT,
+            desired_eden_size, _eden_size, eden_limit, cur_eden,
+            max_eden_size, (size_t)avg_young_live()->average());
+    }
+    if (gc_cost() > gc_cost_limit) {
+      gclog_or_tty->print_cr(
+            "PSAdaptiveSizePolicy::compute_eden_space_size: gc time limit"
+            " gc_cost: %f "
+            " GCTimeLimit: %d",
+            gc_cost(), GCTimeLimit);
+    }
+  }
+
+  // Align everything and make a final limit check
+  const size_t alignment = _intra_generation_alignment;
+  desired_eden_size  = align_size_up(desired_eden_size, alignment);
+  desired_eden_size  = MAX2(desired_eden_size, alignment);
+
+  eden_limit  = align_size_down(eden_limit, alignment);
+
+  // And one last limit check, now that we've aligned things.
+  if (desired_eden_size > eden_limit) {
+    // If the policy says to get a larger eden but
+    // is hitting the limit, don't decrease eden.
+    // This can lead to a general drifting down of the
+    // eden size.  Let the tenuring calculation push more
+    // into the old gen.
+    desired_eden_size = MAX2(eden_limit, cur_eden);
+  }
+
+  if (PrintAdaptiveSizePolicy) {
+    // Timing stats
+    gclog_or_tty->print(
+               "PSAdaptiveSizePolicy::compute_eden_space_size: costs"
+               " minor_time: %f"
+               " major_cost: %f"
+               " mutator_cost: %f"
+               " throughput_goal: %f",
+               minor_gc_cost(), major_gc_cost(), mutator_cost(),
+               _throughput_goal);
+
+    // We give more details if Verbose is set
+    if (Verbose) {
+      gclog_or_tty->print( " minor_pause: %f"
+                  " major_pause: %f"
+                  " minor_interval: %f"
+                  " major_interval: %f"
+                  " pause_goal: %f",
+                  _avg_minor_pause->padded_average(),
+                  _avg_major_pause->padded_average(),
+                  _avg_minor_interval->average(),
+                  _avg_major_interval->average(),
+                  gc_pause_goal_sec());
+    }
+
+    // Footprint stats
+    gclog_or_tty->print( " live_space: " SIZE_FORMAT
+                " free_space: " SIZE_FORMAT,
+                live_space(), free_space());
+    // More detail
+    if (Verbose) {
+      gclog_or_tty->print( " base_footprint: " SIZE_FORMAT
+                  " avg_young_live: " SIZE_FORMAT
+                  " avg_old_live: " SIZE_FORMAT,
+                  (size_t)_avg_base_footprint->average(),
+                  (size_t)avg_young_live()->average(),
+                  (size_t)avg_old_live()->average());
+    }
+
+    // And finally, our old and new sizes.
+    gclog_or_tty->print(" old_eden_size: " SIZE_FORMAT
+               " desired_eden_size: " SIZE_FORMAT,
+               _eden_size, desired_eden_size);
+    gclog_or_tty->cr();
+  }
+
+  set_eden_size(desired_eden_size);
+}
+
+void PSAdaptiveSizePolicy::compute_old_gen_free_space(
+                                           size_t old_live,
+                                           size_t cur_eden,
+                                           size_t max_old_gen_size,
+                                           bool   is_full_gc) {
+
+  // Update statistics
+  // Time statistics are updated as we go, update footprint stats here
   if (is_full_gc) {
     // old_live is only accurate after a full gc
     avg_old_live()->sample(old_live);
@@ -242,32 +459,14 @@
   // some case but is dangerous.
   size_t desired_eden_size = cur_eden;
 
-#ifdef ASSERT
-  size_t original_promo_size = desired_promo_size;
-  size_t original_eden_size = desired_eden_size;
-#endif
-
   // Cache some values. There's a bit of work getting these, so
   // we might save a little time.
   const double major_cost = major_gc_cost();
   const double minor_cost = minor_gc_cost();
 
-  // Used for diagnostics
-  clear_generation_free_space_flags();
-
   // Limits on our growth
   size_t promo_limit = (size_t)(max_old_gen_size - avg_old_live()->average());
 
-  // This method sets the desired eden size.  That plus the
-  // desired survivor space sizes sets the desired young generation
-  // size.  This methods does not know what the desired survivor
-  // size is but expects that other policy will attempt to make
-  // the survivor sizes compatible with the live data in the
-  // young generation.  This limit is an estimate of the space left
-  // in the young generation after the survivor spaces have been
-  // subtracted out.
-  size_t eden_limit = max_eden_size;
-
   // But don't force a promo size below the current promo size. Otherwise,
   // the promo size will shrink for no good reason.
   promo_limit = MAX2(promo_limit, _promo_size);
@@ -290,7 +489,6 @@
   // a change less than the necessary alignment is probably not worth
   // attempting.
 
-
   if ((_avg_minor_pause->padded_average() > gc_pause_goal_sec()) ||
       (_avg_major_pause->padded_average() > gc_pause_goal_sec())) {
     //
@@ -298,12 +496,13 @@
     //
     // Make changes only to affect one of the pauses (the larger)
     // at a time.
-    adjust_for_pause_time(is_full_gc, &desired_promo_size, &desired_eden_size);
-
+    if (is_full_gc) {
+      set_decide_at_full_gc(decide_at_full_gc_true);
+      adjust_promo_for_pause_time(is_full_gc, &desired_promo_size, &desired_eden_size);
+    }
   } else if (_avg_minor_pause->padded_average() > gc_minor_pause_goal_sec()) {
     // Adjust only for the minor pause time goal
-    adjust_for_minor_pause_time(is_full_gc, &desired_promo_size, &desired_eden_size);
-
+    adjust_promo_for_minor_pause_time(is_full_gc, &desired_promo_size, &desired_eden_size);
   } else if(adjusted_mutator_cost() < _throughput_goal) {
     // This branch used to require that (mutator_cost() > 0.0 in 1.4.2.
     // This sometimes resulted in skipping to the minimize footprint
@@ -316,8 +515,10 @@
     assert(major_cost >= 0.0, "major cost is < 0.0");
     assert(minor_cost >= 0.0, "minor cost is < 0.0");
     // Try to reduce the GC times.
-    adjust_for_throughput(is_full_gc, &desired_promo_size, &desired_eden_size);
-
+    if (is_full_gc) {
+      set_decide_at_full_gc(decide_at_full_gc_true);
+      adjust_promo_for_throughput(is_full_gc, &desired_promo_size);
+    }
   } else {
 
     // Be conservative about reducing the footprint.
@@ -327,13 +528,10 @@
         young_gen_policy_is_ready() &&
         avg_major_gc_cost()->average() >= 0.0 &&
         avg_minor_gc_cost()->average() >= 0.0) {
-      size_t desired_sum = desired_eden_size + desired_promo_size;
-      desired_eden_size = adjust_eden_for_footprint(desired_eden_size,
-                                                    desired_sum);
       if (is_full_gc) {
         set_decide_at_full_gc(decide_at_full_gc_true);
-        desired_promo_size = adjust_promo_for_footprint(desired_promo_size,
-                                                        desired_sum);
+        size_t desired_sum = desired_eden_size + desired_promo_size;
+        desired_promo_size = adjust_promo_for_footprint(desired_promo_size, desired_sum);
       }
     }
   }
@@ -345,7 +543,7 @@
       // "free_in_old_gen" was the original value for used for promo_limit
       size_t free_in_old_gen = (size_t)(max_old_gen_size - avg_old_live()->average());
       gclog_or_tty->print_cr(
-            "PSAdaptiveSizePolicy::compute_generation_free_space limits:"
+            "PSAdaptiveSizePolicy::compute_old_gen_free_space limits:"
             " desired_promo_size: " SIZE_FORMAT
             " promo_limit: " SIZE_FORMAT
             " free_in_old_gen: " SIZE_FORMAT
@@ -354,21 +552,9 @@
             desired_promo_size, promo_limit, free_in_old_gen,
             max_old_gen_size, (size_t) avg_old_live()->average());
     }
-    if (desired_eden_size > eden_limit) {
-      gclog_or_tty->print_cr(
-            "AdaptiveSizePolicy::compute_generation_free_space limits:"
-            " desired_eden_size: " SIZE_FORMAT
-            " old_eden_size: " SIZE_FORMAT
-            " eden_limit: " SIZE_FORMAT
-            " cur_eden: " SIZE_FORMAT
-            " max_eden_size: " SIZE_FORMAT
-            " avg_young_live: " SIZE_FORMAT,
-            desired_eden_size, _eden_size, eden_limit, cur_eden,
-            max_eden_size, (size_t)avg_young_live()->average());
-    }
     if (gc_cost() > gc_cost_limit) {
       gclog_or_tty->print_cr(
-            "AdaptiveSizePolicy::compute_generation_free_space: gc time limit"
+            "PSAdaptiveSizePolicy::compute_old_gen_free_space: gc time limit"
             " gc_cost: %f "
             " GCTimeLimit: %d",
             gc_cost(), GCTimeLimit);
@@ -377,46 +563,18 @@
 
   // Align everything and make a final limit check
   const size_t alignment = _intra_generation_alignment;
-  desired_eden_size  = align_size_up(desired_eden_size, alignment);
-  desired_eden_size  = MAX2(desired_eden_size, alignment);
   desired_promo_size = align_size_up(desired_promo_size, alignment);
   desired_promo_size = MAX2(desired_promo_size, alignment);
 
-  eden_limit  = align_size_down(eden_limit, alignment);
   promo_limit = align_size_down(promo_limit, alignment);
 
-  // Is too much time being spent in GC?
-  //   Is the heap trying to grow beyond it's limits?
-
-  const size_t free_in_old_gen =
-    (size_t)(max_old_gen_size - avg_old_live()->average());
-  if (desired_promo_size > free_in_old_gen && desired_eden_size > eden_limit) {
-    check_gc_overhead_limit(young_live,
-                            eden_live,
-                            max_old_gen_size,
-                            max_eden_size,
-                            is_full_gc,
-                            gc_cause,
-                            collector_policy);
-  }
-
-
   // And one last limit check, now that we've aligned things.
-  if (desired_eden_size > eden_limit) {
-    // If the policy says to get a larger eden but
-    // is hitting the limit, don't decrease eden.
-    // This can lead to a general drifting down of the
-    // eden size.  Let the tenuring calculation push more
-    // into the old gen.
-    desired_eden_size = MAX2(eden_limit, cur_eden);
-  }
   desired_promo_size = MIN2(desired_promo_size, promo_limit);
 
-
   if (PrintAdaptiveSizePolicy) {
     // Timing stats
     gclog_or_tty->print(
-               "PSAdaptiveSizePolicy::compute_generation_free_space: costs"
+               "PSAdaptiveSizePolicy::compute_old_gen_free_space: costs"
                " minor_time: %f"
                " major_cost: %f"
                " mutator_cost: %f"
@@ -454,19 +612,13 @@
 
     // And finally, our old and new sizes.
     gclog_or_tty->print(" old_promo_size: " SIZE_FORMAT
-               " old_eden_size: " SIZE_FORMAT
-               " desired_promo_size: " SIZE_FORMAT
-               " desired_eden_size: " SIZE_FORMAT,
-               _promo_size, _eden_size,
-               desired_promo_size, desired_eden_size);
+               " desired_promo_size: " SIZE_FORMAT,
+               _promo_size, desired_promo_size);
     gclog_or_tty->cr();
   }
 
-  decay_supplemental_growth(is_full_gc);
-
   set_promo_size(desired_promo_size);
-  set_eden_size(desired_eden_size);
-};
+}
 
 void PSAdaptiveSizePolicy::decay_supplemental_growth(bool is_full_gc) {
   // Decay the supplemental increment?  Decay the supplement growth
@@ -490,9 +642,39 @@
   }
 }
 
-void PSAdaptiveSizePolicy::adjust_for_minor_pause_time(bool is_full_gc,
+void PSAdaptiveSizePolicy::adjust_promo_for_minor_pause_time(bool is_full_gc,
     size_t* desired_promo_size_ptr, size_t* desired_eden_size_ptr) {
 
+  if (PSAdjustTenuredGenForMinorPause) {
+    if (is_full_gc) {
+      set_decide_at_full_gc(decide_at_full_gc_true);
+    }
+    // If the desired eden size is as small as it will get,
+    // try to adjust the old gen size.
+    if (*desired_eden_size_ptr <= _intra_generation_alignment) {
+      // Vary the old gen size to reduce the young gen pause.  This
+      // may not be a good idea.  This is just a test.
+      if (minor_pause_old_estimator()->decrement_will_decrease()) {
+        set_change_old_gen_for_min_pauses(decrease_old_gen_for_min_pauses_true);
+        *desired_promo_size_ptr =
+          _promo_size - promo_decrement_aligned_down(*desired_promo_size_ptr);
+      } else {
+        set_change_old_gen_for_min_pauses(increase_old_gen_for_min_pauses_true);
+        size_t promo_heap_delta =
+          promo_increment_with_supplement_aligned_up(*desired_promo_size_ptr);
+        if ((*desired_promo_size_ptr + promo_heap_delta) >
+            *desired_promo_size_ptr) {
+          *desired_promo_size_ptr =
+            _promo_size + promo_heap_delta;
+        }
+      }
+    }
+  }
+}
+
+void PSAdaptiveSizePolicy::adjust_eden_for_minor_pause_time(bool is_full_gc,
+    size_t* desired_eden_size_ptr) {
+
   // Adjust the young generation size to reduce pause time of
   // of collections.
   //
@@ -512,49 +694,19 @@
       set_change_young_gen_for_min_pauses(
           increase_young_gen_for_min_pauses_true);
   }
-  if (PSAdjustTenuredGenForMinorPause) {
-    // If the desired eden size is as small as it will get,
-    // try to adjust the old gen size.
-    if (*desired_eden_size_ptr <= _intra_generation_alignment) {
-      // Vary the old gen size to reduce the young gen pause.  This
-      // may not be a good idea.  This is just a test.
-      if (minor_pause_old_estimator()->decrement_will_decrease()) {
-        set_change_old_gen_for_min_pauses(
-          decrease_old_gen_for_min_pauses_true);
-        *desired_promo_size_ptr =
-          _promo_size - promo_decrement_aligned_down(*desired_promo_size_ptr);
-      } else {
-        set_change_old_gen_for_min_pauses(
-          increase_old_gen_for_min_pauses_true);
-        size_t promo_heap_delta =
-          promo_increment_with_supplement_aligned_up(*desired_promo_size_ptr);
-        if ((*desired_promo_size_ptr + promo_heap_delta) >
-            *desired_promo_size_ptr) {
-          *desired_promo_size_ptr =
-            _promo_size + promo_heap_delta;
-        }
-      }
-    }
-  }
 }
 
-void PSAdaptiveSizePolicy::adjust_for_pause_time(bool is_full_gc,
+void PSAdaptiveSizePolicy::adjust_promo_for_pause_time(bool is_full_gc,
                                              size_t* desired_promo_size_ptr,
                                              size_t* desired_eden_size_ptr) {
 
   size_t promo_heap_delta = 0;
-  size_t eden_heap_delta = 0;
-  // Add some checks for a threshhold for a change.  For example,
+  // Add some checks for a threshold for a change.  For example,
   // a change less than the required alignment is probably not worth
   // attempting.
-  if (is_full_gc) {
-    set_decide_at_full_gc(decide_at_full_gc_true);
-  }
 
   if (_avg_minor_pause->padded_average() > _avg_major_pause->padded_average()) {
-    adjust_for_minor_pause_time(is_full_gc,
-                                desired_promo_size_ptr,
-                                desired_eden_size_ptr);
+    adjust_promo_for_minor_pause_time(is_full_gc, desired_promo_size_ptr, desired_eden_size_ptr);
     // major pause adjustments
   } else if (is_full_gc) {
     // Adjust for the major pause time only at full gc's because the
@@ -573,6 +725,33 @@
       //   promo_increment_aligned_up(*desired_promo_size_ptr);
       set_change_old_gen_for_maj_pauses(increase_old_gen_for_maj_pauses_true);
     }
+  }
+
+  if (PrintAdaptiveSizePolicy && Verbose) {
+    gclog_or_tty->print_cr(
+      "PSAdaptiveSizePolicy::compute_old_gen_free_space "
+      "adjusting gen sizes for major pause (avg %f goal %f). "
+      "desired_promo_size " SIZE_FORMAT " promo delta " SIZE_FORMAT,
+      _avg_major_pause->average(), gc_pause_goal_sec(),
+      *desired_promo_size_ptr, promo_heap_delta);
+  }
+}
+
+void PSAdaptiveSizePolicy::adjust_eden_for_pause_time(bool is_full_gc,
+                                             size_t* desired_promo_size_ptr,
+                                             size_t* desired_eden_size_ptr) {
+
+  size_t eden_heap_delta = 0;
+  // Add some checks for a threshold for a change.  For example,
+  // a change less than the required alignment is probably not worth
+  // attempting.
+  if (_avg_minor_pause->padded_average() > _avg_major_pause->padded_average()) {
+    adjust_eden_for_minor_pause_time(is_full_gc,
+                                desired_eden_size_ptr);
+    // major pause adjustments
+  } else if (is_full_gc) {
+    // Adjust for the major pause time only at full gc's because the
+    // affects of a change can only be seen at full gc's.
     if (PSAdjustYoungGenForMajorPause) {
       // If the promo size is at the minimum (i.e., the old gen
       // size will not actually decrease), consider changing the
@@ -607,43 +786,35 @@
 
   if (PrintAdaptiveSizePolicy && Verbose) {
     gclog_or_tty->print_cr(
-      "AdaptiveSizePolicy::compute_generation_free_space "
+      "PSAdaptiveSizePolicy::compute_eden_space_size "
       "adjusting gen sizes for major pause (avg %f goal %f). "
-      "desired_promo_size " SIZE_FORMAT "desired_eden_size "
-       SIZE_FORMAT
-      " promo delta " SIZE_FORMAT  " eden delta " SIZE_FORMAT,
+      "desired_eden_size " SIZE_FORMAT " eden delta " SIZE_FORMAT,
       _avg_major_pause->average(), gc_pause_goal_sec(),
-      *desired_promo_size_ptr, *desired_eden_size_ptr,
-      promo_heap_delta, eden_heap_delta);
+      *desired_eden_size_ptr, eden_heap_delta);
   }
 }
 
-void PSAdaptiveSizePolicy::adjust_for_throughput(bool is_full_gc,
-                                             size_t* desired_promo_size_ptr,
-                                             size_t* desired_eden_size_ptr) {
+void PSAdaptiveSizePolicy::adjust_promo_for_throughput(bool is_full_gc,
+                                             size_t* desired_promo_size_ptr) {
 
-  // Add some checks for a threshhold for a change.  For example,
+  // Add some checks for a threshold for a change.  For example,
   // a change less than the required alignment is probably not worth
   // attempting.
-  if (is_full_gc) {
-    set_decide_at_full_gc(decide_at_full_gc_true);
-  }
 
   if ((gc_cost() + mutator_cost()) == 0.0) {
     return;
   }
 
   if (PrintAdaptiveSizePolicy && Verbose) {
-    gclog_or_tty->print("\nPSAdaptiveSizePolicy::adjust_for_throughput("
-      "is_full: %d, promo: " SIZE_FORMAT ",  cur_eden: " SIZE_FORMAT "): ",
-      is_full_gc, *desired_promo_size_ptr, *desired_eden_size_ptr);
+    gclog_or_tty->print("\nPSAdaptiveSizePolicy::adjust_promo_for_throughput("
+      "is_full: %d, promo: " SIZE_FORMAT "): ",
+      is_full_gc, *desired_promo_size_ptr);
     gclog_or_tty->print_cr("mutator_cost %f  major_gc_cost %f "
       "minor_gc_cost %f", mutator_cost(), major_gc_cost(), minor_gc_cost());
   }
 
   // Tenured generation
   if (is_full_gc) {
-
     // Calculate the change to use for the tenured gen.
     size_t scaled_promo_heap_delta = 0;
     // Can the increment to the generation be scaled?
@@ -720,6 +891,26 @@
           *desired_promo_size_ptr, scaled_promo_heap_delta);
     }
   }
+}
+
+void PSAdaptiveSizePolicy::adjust_eden_for_throughput(bool is_full_gc,
+                                             size_t* desired_eden_size_ptr) {
+
+  // Add some checks for a threshold for a change.  For example,
+  // a change less than the required alignment is probably not worth
+  // attempting.
+
+  if ((gc_cost() + mutator_cost()) == 0.0) {
+    return;
+  }
+
+  if (PrintAdaptiveSizePolicy && Verbose) {
+    gclog_or_tty->print("\nPSAdaptiveSizePolicy::adjust_eden_for_throughput("
+      "is_full: %d, cur_eden: " SIZE_FORMAT "): ",
+      is_full_gc, *desired_eden_size_ptr);
+    gclog_or_tty->print_cr("mutator_cost %f  major_gc_cost %f "
+      "minor_gc_cost %f", mutator_cost(), major_gc_cost(), minor_gc_cost());
+  }
 
   // Young generation
   size_t scaled_eden_heap_delta = 0;
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp	Fri May 17 08:00:01 2013 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, 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
@@ -136,18 +136,24 @@
   double gc_minor_pause_goal_sec() const { return _gc_minor_pause_goal_sec; }
 
   // Change the young generation size to achieve a minor GC pause time goal
-  void adjust_for_minor_pause_time(bool is_full_gc,
+  void adjust_promo_for_minor_pause_time(bool is_full_gc,
                                    size_t* desired_promo_size_ptr,
                                    size_t* desired_eden_size_ptr);
+  void adjust_eden_for_minor_pause_time(bool is_full_gc,
+                                   size_t* desired_eden_size_ptr);
   // Change the generation sizes to achieve a GC pause time goal
   // Returned sizes are not necessarily aligned.
-  void adjust_for_pause_time(bool is_full_gc,
+  void adjust_promo_for_pause_time(bool is_full_gc,
+                         size_t* desired_promo_size_ptr,
+                         size_t* desired_eden_size_ptr);
+  void adjust_eden_for_pause_time(bool is_full_gc,
                          size_t* desired_promo_size_ptr,
                          size_t* desired_eden_size_ptr);
   // Change the generation sizes to achieve an application throughput goal
   // Returned sizes are not necessarily aligned.
-  void adjust_for_throughput(bool is_full_gc,
-                             size_t* desired_promo_size_ptr,
+  void adjust_promo_for_throughput(bool is_full_gc,
+                             size_t* desired_promo_size_ptr);
+  void adjust_eden_for_throughput(bool is_full_gc,
                              size_t* desired_eden_size_ptr);
   // Change the generation sizes to achieve minimum footprint
   // Returned sizes are not aligned.
@@ -168,9 +174,6 @@
   size_t promo_decrement_aligned_down(size_t cur_promo);
   size_t promo_increment_with_supplement_aligned_up(size_t cur_promo);
 
-  // Decay the supplemental growth additive.
-  void decay_supplemental_growth(bool is_full_gc);
-
   // Returns a change that has been scaled down.  Result
   // is not aligned.  (If useful, move to some shared
   // location.)
@@ -336,7 +339,7 @@
   // perform a Full GC?
   bool should_full_GC(size_t live_in_old_gen);
 
-  // Calculates optimial free space sizes for both the old and young
+  // Calculates optimal (free) space sizes for both the young and old
   // generations.  Stores results in _eden_size and _promo_size.
   // Takes current used space in all generations as input, as well
   // as an indication if a full gc has just been performed, for use
@@ -347,9 +350,18 @@
                                      size_t cur_eden,  // current eden in bytes
                                      size_t max_old_gen_size,
                                      size_t max_eden_size,
-                                     bool   is_full_gc,
-                                     GCCause::Cause gc_cause,
-                                     CollectorPolicy* collector_policy);
+                                     bool   is_full_gc);
+
+  void compute_eden_space_size(size_t young_live,
+                               size_t eden_live,
+                               size_t cur_eden,  // current eden in bytes
+                               size_t max_eden_size,
+                               bool   is_full_gc);
+
+  void compute_old_gen_free_space(size_t old_live,
+                                             size_t cur_eden,  // current eden in bytes
+                                             size_t max_old_gen_size,
+                                             bool   is_full_gc);
 
   // Calculates new survivor space size;  returns a new tenuring threshold
   // value. Stores new survivor size in _survivor_size.
@@ -390,6 +402,9 @@
 
   // Printing support
   virtual bool print_adaptive_size_policy_on(outputStream* st) const;
+
+  // Decay the supplemental growth additive.
+  void decay_supplemental_growth(bool is_full_gc);
 };
 
 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSADAPTIVESIZEPOLICY_HPP
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Fri May 17 08:00:01 2013 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2013, 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
@@ -92,8 +92,8 @@
   const bool clear_all_soft_refs =
     heap->collector_policy()->should_clear_all_soft_refs();
 
-  int count = (maximum_heap_compaction)?1:MarkSweepAlwaysCompactCount;
-  IntFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
+  uint count = maximum_heap_compaction ? 1 : MarkSweepAlwaysCompactCount;
+  UIntFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
   PSMarkSweep::invoke_no_policy(clear_all_soft_refs || maximum_heap_compaction);
 }
 
@@ -277,18 +277,36 @@
           young_gen->from_space()->capacity_in_bytes() +
           young_gen->to_space()->capacity_in_bytes(),
           "Sizes of space in young gen are out-of-bounds");
+
+        size_t young_live = young_gen->used_in_bytes();
+        size_t eden_live = young_gen->eden_space()->used_in_bytes();
+        size_t old_live = old_gen->used_in_bytes();
+        size_t cur_eden = young_gen->eden_space()->capacity_in_bytes();
+        size_t max_old_gen_size = old_gen->max_gen_size();
         size_t max_eden_size = young_gen->max_size() -
           young_gen->from_space()->capacity_in_bytes() -
           young_gen->to_space()->capacity_in_bytes();
-        size_policy->compute_generation_free_space(young_gen->used_in_bytes(),
-                                 young_gen->eden_space()->used_in_bytes(),
-                                 old_gen->used_in_bytes(),
-                                 young_gen->eden_space()->capacity_in_bytes(),
-                                 old_gen->max_gen_size(),
-                                 max_eden_size,
-                                 true /* full gc*/,
-                                 gc_cause,
-                                 heap->collector_policy());
+
+        // Used for diagnostics
+        size_policy->clear_generation_free_space_flags();
+
+        size_policy->compute_generation_free_space(young_live,
+                                                   eden_live,
+                                                   old_live,
+                                                   cur_eden,
+                                                   max_old_gen_size,
+                                                   max_eden_size,
+                                                   true /* full gc*/);
+
+        size_policy->check_gc_overhead_limit(young_live,
+                                             eden_live,
+                                             max_old_gen_size,
+                                             max_eden_size,
+                                             true /* full gc*/,
+                                             gc_cause,
+                                             heap->collector_policy());
+
+        size_policy->decay_supplemental_growth(true /* full gc*/);
 
         heap->resize_old_gen(size_policy->calculated_old_free_size_in_bytes());
 
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp	Fri May 17 08:00:01 2013 +0200
@@ -88,8 +88,7 @@
    * by the MarkSweepAlwaysCompactCount parameter. This is a significant
    * performance improvement!
    */
-  bool skip_dead = (MarkSweepAlwaysCompactCount < 1)
-    || ((PSMarkSweep::total_invocations() % MarkSweepAlwaysCompactCount) != 0);
+  bool skip_dead = ((PSMarkSweep::total_invocations() % MarkSweepAlwaysCompactCount) != 0);
 
   size_t allowed_deadspace = 0;
   if (skip_dead) {
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Fri May 17 08:00:01 2013 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2013, 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
@@ -948,7 +948,6 @@
 
   pre_gc_values->fill(heap);
 
-  NOT_PRODUCT(_mark_bitmap.reset_counters());
   DEBUG_ONLY(add_obj_count = add_obj_size = 0;)
   DEBUG_ONLY(mark_bitmap_count = mark_bitmap_size = 0;)
 
@@ -2042,15 +2041,6 @@
     marking_start.update();
     marking_phase(vmthread_cm, maximum_heap_compaction);
 
-#ifndef PRODUCT
-    if (TraceParallelOldGCMarkingPhase) {
-      gclog_or_tty->print_cr("marking_phase: cas_tries %d  cas_retries %d "
-        "cas_by_another %d",
-        mark_bitmap()->cas_tries(), mark_bitmap()->cas_retries(),
-        mark_bitmap()->cas_by_another());
-    }
-#endif  // #ifndef PRODUCT
-
     bool max_on_system_gc = UseMaximumCompactionOnSystemGC
       && gc_cause == GCCause::_java_lang_system_gc;
     summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
@@ -2094,19 +2084,36 @@
           young_gen->from_space()->capacity_in_bytes() +
           young_gen->to_space()->capacity_in_bytes(),
           "Sizes of space in young gen are out-of-bounds");
+
+        size_t young_live = young_gen->used_in_bytes();
+        size_t eden_live = young_gen->eden_space()->used_in_bytes();
+        size_t old_live = old_gen->used_in_bytes();
+        size_t cur_eden = young_gen->eden_space()->capacity_in_bytes();
+        size_t max_old_gen_size = old_gen->max_gen_size();
         size_t max_eden_size = young_gen->max_size() -
           young_gen->from_space()->capacity_in_bytes() -
           young_gen->to_space()->capacity_in_bytes();
-        size_policy->compute_generation_free_space(
-                              young_gen->used_in_bytes(),
-                              young_gen->eden_space()->used_in_bytes(),
-                              old_gen->used_in_bytes(),
-                              young_gen->eden_space()->capacity_in_bytes(),
-                              old_gen->max_gen_size(),
-                              max_eden_size,
-                              true /* full gc*/,
-                              gc_cause,
-                              heap->collector_policy());
+
+        // Used for diagnostics
+        size_policy->clear_generation_free_space_flags();
+
+        size_policy->compute_generation_free_space(young_live,
+                                                   eden_live,
+                                                   old_live,
+                                                   cur_eden,
+                                                   max_old_gen_size,
+                                                   max_eden_size,
+                                                   true /* full gc*/);
+
+        size_policy->check_gc_overhead_limit(young_live,
+                                             eden_live,
+                                             max_old_gen_size,
+                                             max_eden_size,
+                                             true /* full gc*/,
+                                             gc_cause,
+                                             heap->collector_policy());
+
+        size_policy->decay_supplemental_growth(true /* full gc*/);
 
         heap->resize_old_gen(
           size_policy->calculated_old_free_size_in_bytes());
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Fri May 17 08:00:01 2013 +0200
@@ -552,19 +552,33 @@
             young_gen->from_space()->capacity_in_bytes() +
             young_gen->to_space()->capacity_in_bytes(),
             "Sizes of space in young gen are out-of-bounds");
+
+          size_t young_live = young_gen->used_in_bytes();
+          size_t eden_live = young_gen->eden_space()->used_in_bytes();
+          size_t cur_eden = young_gen->eden_space()->capacity_in_bytes();
+          size_t max_old_gen_size = old_gen->max_gen_size();
           size_t max_eden_size = young_gen->max_size() -
             young_gen->from_space()->capacity_in_bytes() -
             young_gen->to_space()->capacity_in_bytes();
-          size_policy->compute_generation_free_space(young_gen->used_in_bytes(),
-                                   young_gen->eden_space()->used_in_bytes(),
-                                   old_gen->used_in_bytes(),
-                                   young_gen->eden_space()->capacity_in_bytes(),
-                                   old_gen->max_gen_size(),
-                                   max_eden_size,
-                                   false  /* full gc*/,
-                                   gc_cause,
-                                   heap->collector_policy());
+
+          // Used for diagnostics
+          size_policy->clear_generation_free_space_flags();
+
+          size_policy->compute_eden_space_size(young_live,
+                                               eden_live,
+                                               cur_eden,
+                                               max_eden_size,
+                                               false /* not full gc*/);
 
+          size_policy->check_gc_overhead_limit(young_live,
+                                               eden_live,
+                                               max_old_gen_size,
+                                               max_eden_size,
+                                               false /* not full gc*/,
+                                               gc_cause,
+                                               heap->collector_policy());
+
+          size_policy->decay_supplemental_growth(false /* not full gc*/);
         }
         // Resize the young generation at every collection
         // even if new sizes have not been calculated.  This is
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/shared/markSweep.cpp
--- a/src/share/vm/gc_implementation/shared/markSweep.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/shared/markSweep.cpp	Fri May 17 08:00:01 2013 +0200
@@ -30,7 +30,7 @@
 #include "oops/objArrayKlass.inline.hpp"
 #include "oops/oop.inline.hpp"
 
-unsigned int            MarkSweep::_total_invocations = 0;
+uint                    MarkSweep::_total_invocations = 0;
 
 Stack<oop, mtGC>              MarkSweep::_marking_stack;
 Stack<ObjArrayTask, mtGC>     MarkSweep::_objarray_stack;
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/gc_implementation/shared/markSweep.hpp
--- a/src/share/vm/gc_implementation/shared/markSweep.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/gc_implementation/shared/markSweep.hpp	Fri May 17 08:00:01 2013 +0200
@@ -113,7 +113,7 @@
   //
  protected:
   // Total invocations of a MarkSweep collection
-  static unsigned int _total_invocations;
+  static uint _total_invocations;
 
   // Traversal stacks used during phase1
   static Stack<oop, mtGC>                      _marking_stack;
@@ -147,7 +147,7 @@
   static AdjustKlassClosure   adjust_klass_closure;
 
   // Accessors
-  static unsigned int total_invocations() { return _total_invocations; }
+  static uint total_invocations() { return _total_invocations; }
 
   // Reference Processing
   static ReferenceProcessor* const ref_processor() { return _ref_processor; }
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/memory/collectorPolicy.cpp
--- a/src/share/vm/memory/collectorPolicy.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/memory/collectorPolicy.cpp	Fri May 17 08:00:01 2013 +0200
@@ -264,6 +264,27 @@
   // need to do this again
   MaxHeapSize = align_size_up(MaxHeapSize, max_alignment());
 
+  // adjust max heap size if necessary
+  if (NewSize + OldSize > MaxHeapSize) {
+    if (FLAG_IS_CMDLINE(MaxHeapSize)) {
+      // somebody set a maximum heap size with the intention that we should not
+      // exceed it. Adjust New/OldSize as necessary.
+      uintx calculated_size = NewSize + OldSize;
+      double shrink_factor = (double) MaxHeapSize / calculated_size;
+      // align
+      NewSize = align_size_down((uintx) (NewSize * shrink_factor), min_alignment());
+      // OldSize is already aligned because above we aligned MaxHeapSize to
+      // max_alignment(), and we just made sure that NewSize is aligned to
+      // min_alignment(). In initialize_flags() we verified that max_alignment()
+      // is a multiple of min_alignment().
+      OldSize = MaxHeapSize - NewSize;
+    } else {
+      MaxHeapSize = NewSize + OldSize;
+    }
+  }
+  // need to do this again
+  MaxHeapSize = align_size_up(MaxHeapSize, max_alignment());
+
   always_do_update_barrier = UseConcMarkSweepGC;
 
   // Check validity of heap flags
@@ -731,7 +752,7 @@
   // free memory should be here, especially if they are expensive. If this
   // attempt fails, an OOM exception will be thrown.
   {
-    IntFlagSetting flag_change(MarkSweepAlwaysCompactCount, 1); // Make sure the heap is fully compacted
+    UIntFlagSetting flag_change(MarkSweepAlwaysCompactCount, 1); // Make sure the heap is fully compacted
 
     gch->do_collection(true             /* full */,
                        true             /* clear_all_soft_refs */,
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/memory/space.hpp
--- a/src/share/vm/memory/space.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/memory/space.hpp	Fri May 17 08:00:01 2013 +0200
@@ -537,9 +537,8 @@
    * Occasionally, we want to ensure a full compaction, which is determined  \
    * by the MarkSweepAlwaysCompactCount parameter.                           \
    */                                                                        \
-  int invocations = MarkSweep::total_invocations();                          \
-  bool skip_dead = (MarkSweepAlwaysCompactCount < 1)                         \
-    ||((invocations % MarkSweepAlwaysCompactCount) != 0);                    \
+  uint invocations = MarkSweep::total_invocations();                         \
+  bool skip_dead = ((invocations % MarkSweepAlwaysCompactCount) != 0);       \
                                                                              \
   size_t allowed_deadspace = 0;                                              \
   if (skip_dead) {                                                           \
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/runtime/arguments.cpp
--- a/src/share/vm/runtime/arguments.cpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/runtime/arguments.cpp	Fri May 17 08:00:01 2013 +0200
@@ -1919,7 +1919,7 @@
     status = false;
   }
 
-  status = status && verify_percentage(AdaptiveSizePolicyWeight,
+  status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100,
                               "AdaptiveSizePolicyWeight");
   status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance");
   status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio");
@@ -1979,8 +1979,6 @@
     FLAG_SET_DEFAULT(UseGCOverheadLimit, false);
   }
 
-  status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit");
-
   status = status && check_gc_consistency();
   status = status && check_stack_pages();
 
@@ -2074,6 +2072,52 @@
     status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31,
                                        "G1ConcRSLogCacheSize");
   }
+  if (UseConcMarkSweepGC) {
+    status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills");
+    status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor");
+    status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax");
+    status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin");
+
+    status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker");
+
+    status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain");
+    status = status && verify_interval(CMS_SweepWeight, 0, 100, "CMS_SweepWeight");
+    status = status && verify_interval(CMS_FLSWeight, 0, 100, "CMS_FLSWeight");
+
+    status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy");
+
+    status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple");
+    status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple");
+
+    status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter");
+    status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator");
+    status = status && verify_interval(CMSPrecleanNumerator, 0, CMSPrecleanDenominator - 1, "CMSPrecleanNumerator");
+
+    status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy");
+
+    status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold");
+
+    status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration");
+    status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio");
+    status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum");
+    status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio");
+    status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage");
+  }
+
+  if (UseParallelGC || UseParallelOldGC) {
+    status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean");
+    status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev");
+
+    status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement");
+    status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement");
+
+    status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay");
+    status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay");
+
+    status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk");
+
+    status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval");
+  }
 #endif // INCLUDE_ALL_GCS
 
   status = status && verify_interval(RefDiscoveryPolicy,
@@ -2093,7 +2137,42 @@
 
   status = status && verify_interval(MarkStackSizeMax,
                                   1, (max_jint - 1), "MarkStackSizeMax");
-
+  status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight");
+
+  status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries");
+
+  status = status && verify_min_value(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread");
+
+  status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries");
+
+  status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct");
+  status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct");
+
+  status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread");
+
+  status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction");
+  status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction");
+  status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction");
+  status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction");
+
+  status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight");
+  status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor");
+
+  status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight");
+  status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize");
+  status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction");
+
+  status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement");
+  status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement");
+
+  // the "age" field in the oop header is 4 bits; do not want to pull in markOop.hpp
+  // just for that, so hardcode here.
+  status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold");
+  status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold");
+  status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio");
+  status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio");
+
+  status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount");
 #ifdef SPARC
   if (UseConcMarkSweepGC || UseG1GC) {
     // Issue a stern warning if the user has explicitly set
@@ -3003,6 +3082,11 @@
     set_mode_flags(_int);
   }
 
+  // eventually fix up InitialTenuringThreshold if only MaxTenuringThreshold is set
+  if (FLAG_IS_DEFAULT(InitialTenuringThreshold) && (InitialTenuringThreshold > MaxTenuringThreshold)) {
+    FLAG_SET_ERGO(uintx, InitialTenuringThreshold, MaxTenuringThreshold);
+  }
+
 #ifndef COMPILER2
   // Don't degrade server performance for footprint
   if (FLAG_IS_DEFAULT(UseLargePages) &&
diff -r e484fe2abebd -r 2f9ac66165e6 src/share/vm/runtime/globals.hpp
--- a/src/share/vm/runtime/globals.hpp	Thu May 16 13:47:55 2013 -0700
+++ b/src/share/vm/runtime/globals.hpp	Fri May 17 08:00:01 2013 +0200
@@ -286,12 +286,12 @@
 };
 
 
-class IntFlagSetting {
-  intx val;
-  intx* flag;
+class UIntFlagSetting {
+  uintx val;
+  uintx* flag;
  public:
-  IntFlagSetting(intx& fl, intx newValue) { flag = &fl; val = fl; fl = newValue; }
-  ~IntFlagSetting()                       { *flag = val; }
+  UIntFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; }
+  ~UIntFlagSetting()                         { *flag = val; }
 };
 
 
@@ -513,12 +513,12 @@
   product(bool, ForceNUMA, false,                                           \
           "Force NUMA optimizations on single-node/UMA systems")            \
                                                                             \
-  product(intx, NUMAChunkResizeWeight, 20,                                  \
-          "Percentage (0-100) used to weight the current sample when "      \
+  product(uintx, NUMAChunkResizeWeight, 20,                                 \
+          "Percentage (0-100) used to weigh the current sample when "      \
           "computing exponentially decaying average for "                   \
           "AdaptiveNUMAChunkSizing")                                        \
                                                                             \
-  product(intx, NUMASpaceResizeRate, 1*G,                                   \
+  product(uintx, NUMASpaceResizeRate, 1*G,                                  \
           "Do not reallocate more that this amount per collection")         \
                                                                             \
   product(bool, UseAdaptiveNUMAChunkSizing, true,                           \
@@ -527,7 +527,7 @@
   product(bool, NUMAStats, false,                                           \
           "Print NUMA stats in detailed heap information")                  \
                                                                             \
-  product(intx, NUMAPageScanRate, 256,                                      \
+  product(uintx, NUMAPageScanRate, 256,                                     \
           "Maximum number of pages to include in the page scan procedure")  \
                                                                             \
   product_pd(bool, NeedsDeoptSuspend,                                       \
@@ -715,7 +715,7 @@
   diagnostic(bool, LogEvents, true,                                         \
              "Enable the various ring buffer event logs")                   \
                                                                             \
-  diagnostic(intx, LogEventsBufferEntries, 10,                              \
+  diagnostic(uintx, LogEventsBufferEntries, 10,                             \
              "Enable the various ring buffer event logs")                   \
                                                                             \
   product(bool, BytecodeVerificationRemote, true,                           \
@@ -1429,16 +1429,17 @@
   product(bool, ParallelGCVerbose, false,                                   \
           "Verbose output for parallel GC.")                                \
                                                                             \
-  product(intx, ParallelGCBufferWastePct, 10,                               \
-          "wasted fraction of parallel allocation buffer.")                 \
+  product(uintx, ParallelGCBufferWastePct, 10,                              \
+          "Wasted fraction of parallel allocation buffer.")                 \
                                                                             \
   diagnostic(bool, ParallelGCRetainPLAB, false,                             \
              "Retain parallel allocation buffers across scavenges; "        \
              " -- disabled because this currently conflicts with "          \
              " parallel card scanning under certain conditions ")           \
                                                                             \
-  product(intx, TargetPLABWastePct, 10,                                     \
-          "target wasted space in last buffer as pct of overall allocation")\
+  product(uintx, TargetPLABWastePct, 10,                                    \
+          "Target wasted space in last buffer as percent of overall "       \
+          "allocation")                                                     \
                                                                             \
   product(uintx, PLABWeight, 75,                                            \
           "Percentage (0-100) used to weight the current sample when"       \
@@ -1516,7 +1517,7 @@
   product(bool, AlwaysPreTouch, false,                                      \
           "It forces all freshly committed pages to be pre-touched.")       \
                                                                             \
-  product_pd(intx, CMSYoungGenPerWorker,                                    \
+  product_pd(uintx, CMSYoungGenPerWorker,                                   \
           "The maximum size of young gen chosen by default per GC worker "  \
           "thread available")                                               \
                                                                             \
@@ -1834,7 +1835,7 @@
   product(bool, UseCMSInitiatingOccupancyOnly, false,                       \
           "Only use occupancy as a crierion for starting a CMS collection") \
                                                                             \
-  product(intx, CMSIsTooFullPercentage, 98,                                 \
+  product(uintx, CMSIsTooFullPercentage, 98,                                \
           "An absolute ceiling above which CMS will always consider the "   \
           "unloading of classes when class unloading is enabled")           \
                                                                             \
@@ -1873,7 +1874,7 @@
   develop(uintx, PromotionFailureALotInterval, 5,                           \
           "Total collections between promotion failures alot")              \
                                                                             \
-  experimental(intx, WorkStealingSleepMillis, 1,                            \
+  experimental(uintx, WorkStealingSleepMillis, 1,                           \
           "Sleep time when sleep is used for yields")                       \
                                                                             \
   experimental(uintx, WorkStealingYieldsBeforeSleep, 5000,                  \
@@ -2017,7 +2018,7 @@
           "Number of collections before the adaptive sizing is started")    \
                                                                             \
   product(uintx, AdaptiveSizePolicyOutputInterval, 0,                       \
-          "Collecton interval for printing information; zero => never")     \
+          "Collection interval for printing information; zero means never") \
                                                                             \
   product(bool, UseAdaptiveSizePolicyFootprintGoal, true,                   \
           "Use adaptive minimum footprint as a goal")                       \
@@ -3046,7 +3047,7 @@
   product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M),              \
           "Max expansion of Metaspace without full GC (in bytes)")          \
                                                                             \
-  product(intx, QueuedAllocationWarningCount, 0,                            \
+  product(uintx, QueuedAllocationWarningCount, 0,                           \
           "Number of times an allocation that queues behind a GC "          \
           "will retry before printing a warning")                           \
                                                                             \
@@ -3074,7 +3075,7 @@
           "either completely full or completely empty.  Par compact also"   \
           "has a smaller default value; see arguments.cpp.")                \
                                                                             \
-  product(intx, MarkSweepAlwaysCompactCount,     4,                         \
+  product(uintx, MarkSweepAlwaysCompactCount,     4,                        \
           "How often should we fully compact the heap (ignoring the dead "  \
           "space parameters)")                                              \
                                                                             \
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestCMSHeapSizeFlags.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestCMSHeapSizeFlags.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,46 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+/*
+ * @test TestCMSHeapSizeFlags
+ * @key gc
+ * @bug 8006088
+ * @summary Tests argument processing for initial and maximum heap size for the CMS collector
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestCMSHeapSizeFlags TestMaxHeapSizeTools
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm TestCMSHeapSizeFlags
+ * @author thomas.schatzl@oracle.com
+ */
+
+public class TestCMSHeapSizeFlags {
+
+  public static void main(String args[]) throws Exception {
+    final String gcName = "-XX:+UseConcMarkSweepGC";
+
+    TestMaxHeapSizeTools.checkMinInitialMaxHeapFlags(gcName);
+
+    TestMaxHeapSizeTools.checkGenMaxHeapErgo(gcName);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestG1HeapSizeFlags.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestG1HeapSizeFlags.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,46 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+/*
+ * @test TestG1HeapSizeFlags
+ * @key gc
+ * @bug 8006088
+ * @summary Tests argument processing for initial and maximum heap size for the G1 collector
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestG1HeapSizeFlags TestMaxHeapSizeTools
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm TestG1HeapSizeFlags
+ * @author thomas.schatzl@oracle.com
+ */
+
+public class TestG1HeapSizeFlags {
+
+  public static void main(String args[]) throws Exception {
+    final String gcName = "-XX:+UseG1GC";
+
+    TestMaxHeapSizeTools.checkMinInitialMaxHeapFlags(gcName);
+
+    TestMaxHeapSizeTools.checkGenMaxHeapErgo(gcName);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestInitialTenuringThreshold.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestInitialTenuringThreshold.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,75 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+/*
+ * @test TestInitialTenuringThreshold
+ * @key gc
+ * @bug 8014765
+ * @summary Tests argument processing for initial tenuring threshold
+ * @library /testlibrary
+ * @run main/othervm TestInitialTenuringThreshold
+ * @author thomas.schatzl@oracle.com
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class TestInitialTenuringThreshold {
+
+  public static void runWithThresholds(int initial, int max, boolean shouldfail) throws Exception {
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+      "-XX:InitialTenuringThreshold=" + String.valueOf(initial),
+      "-XX:MaxTenuringThreshold=" + String.valueOf(max),
+      "-version"
+      );
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    if (shouldfail) {
+      output.shouldHaveExitValue(1);
+    } else {
+      output.shouldHaveExitValue(0);
+    }
+  }
+
+
+  public static void main(String args[]) throws Exception {
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+      // some value below the default value of InitialTenuringThreshold of 7
+      "-XX:MaxTenuringThreshold=1",
+      "-version"
+      );
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    output.shouldHaveExitValue(0);
+    // successful tests
+    runWithThresholds(0, 10, false);
+    runWithThresholds(5, 5, false);
+    // failing tests
+    runWithThresholds(10, 0, true);
+    runWithThresholds(9, 8, true);
+    runWithThresholds(-1, 8, true);
+    runWithThresholds(8, -1, true);
+    runWithThresholds(8, 16, true);
+    runWithThresholds(16, 8, true);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestMaxHeapSizeTools.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestMaxHeapSizeTools.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,295 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import com.oracle.java.testlibrary.*;
+import sun.hotspot.WhiteBox;
+
+class ErgoArgsPrinter {
+  public static void main(String[] args) throws Exception {
+    WhiteBox wb = WhiteBox.getWhiteBox();
+    wb.printHeapSizes();
+  }
+}
+
+final class MinInitialMaxValues {
+  public long minHeapSize;
+  public long initialHeapSize;
+  public long maxHeapSize;
+
+  public long minAlignment;
+  public long maxAlignment;
+}
+
+class TestMaxHeapSizeTools {
+
+  public static void checkMinInitialMaxHeapFlags(String gcflag) throws Exception {
+    checkInvalidMinInitialHeapCombinations(gcflag);
+    checkValidMinInitialHeapCombinations(gcflag);
+    checkInvalidInitialMaxHeapCombinations(gcflag);
+    checkValidInitialMaxHeapCombinations(gcflag);
+  }
+
+  public static void checkMinInitialErgonomics(String gcflag) throws Exception {
+    // heap sizing ergonomics use the value NewSize + OldSize as default values
+    // for ergonomics calculation. Retrieve these values.
+    long[] values = new long[2];
+    getNewOldSize(gcflag, values);
+
+    // we check cases with values smaller and larger than this default value.
+    long newPlusOldSize = values[0] + values[1];
+    long smallValue = newPlusOldSize / 2;
+    long largeValue = newPlusOldSize * 2;
+
+    // -Xms is not set
+    checkErgonomics(new String[] { gcflag, "-Xmx16M" }, values, -1, -1);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-XX:InitialHeapSize=0" }, values, -1, -1);
+
+    // -Xms is set to zero
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0" }, values, -1, -1);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0", "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0", "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0", "-XX:InitialHeapSize=0" }, values, -1, -1);
+
+    // -Xms is set to small value
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue }, values, -1, -1);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue, "-XX:InitialHeapSize=" + largeValue }, values, smallValue, largeValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue, "-XX:InitialHeapSize=0" }, values, smallValue, -1);
+
+    // -Xms is set to large value
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue }, values, largeValue, largeValue);
+    // the next case has already been checked elsewhere and gives an error
+    // checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
+    // the next case has already been checked elsewhere too
+    // checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue, "-XX:InitialHeapSize=" + largeValue }, values, values[0], largeValue);
+    checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue, "-XX:InitialHeapSize=0" }, values, largeValue, -1);
+  }
+
+  private static long align_up(long value, long alignment) {
+    long alignmentMinusOne = alignment - 1;
+    return (value + alignmentMinusOne) & ~alignmentMinusOne;
+  }
+
+  private static void getNewOldSize(String gcflag, long[] values) throws Exception {
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(gcflag,
+      "-XX:+PrintFlagsFinal", "-version");
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    output.shouldHaveExitValue(0);
+
+    String stdout = output.getStdout();
+    values[0] = getFlagValue(" NewSize", stdout);
+    values[1] = getFlagValue(" OldSize", stdout);
+  }
+
+  public static void checkGenMaxHeapErgo(String gcflag) throws Exception {
+    TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 3);
+    TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 4);
+    TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 5);
+  }
+
+  private static void checkInvalidMinInitialHeapCombinations(String gcflag) throws Exception {
+    expectError(new String[] { gcflag, "-Xms8M", "-XX:InitialHeapSize=4M", "-version" });
+  }
+
+  private static void checkValidMinInitialHeapCombinations(String gcflag) throws Exception {
+    expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms4M", "-version" });
+    expectValid(new String[] { gcflag, "-Xms4M", "-XX:InitialHeapSize=8M", "-version" });
+    expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms8M", "-version" });
+    // the following is not an error as -Xms sets both minimal and initial heap size
+    expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-Xms8M", "-version" });
+  }
+
+  private static void checkInvalidInitialMaxHeapCombinations(String gcflag) throws Exception {
+    expectError(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=8M", "-version" });
+    expectError(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-XX:MaxHeapSize=4M", "-version" });
+  }
+
+  private static void checkValidInitialMaxHeapCombinations(String gcflag) throws Exception {
+    expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-XX:MaxHeapSize=8M", "-version" });
+    expectValid(new String[] { gcflag, "-XX:MaxHeapSize=8M", "-XX:InitialHeapSize=4M", "-version" });
+    expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=4M", "-version" });
+    // a value of "0" for initial heap size means auto-detect
+    expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=0M", "-version" });
+  }
+
+  private static long valueAfter(String source, String match) {
+    int start = source.indexOf(match) + match.length();
+    String tail = source.substring(start).split(" ")[0];
+    return Long.parseLong(tail);
+  }
+
+  /**
+   * Executes a new VM process with the given class and parameters.
+   * @param vmargs Arguments to the VM to run
+   * @param classname Name of the class to run
+   * @param arguments Arguments to the class
+   * @param useTestDotJavaDotOpts Use test.java.opts as part of the VM argument string
+   * @return The OutputAnalyzer with the results for the invocation.
+   */
+  public static OutputAnalyzer runWhiteBoxTest(String[] vmargs, String classname, String[] arguments, boolean useTestDotJavaDotOpts) throws Exception {
+    ArrayList<String> finalargs = new ArrayList<String>();
+
+    String[] whiteboxOpts = new String[] {
+      "-Xbootclasspath/a:.",
+      "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
+      "-cp", System.getProperty("java.class.path"),
+    };
+
+    if (useTestDotJavaDotOpts) {
+      // System.getProperty("test.java.opts") is '' if no options is set,
+      // we need to skip such a result
+      String[] externalVMOpts = new String[0];
+      if (System.getProperty("test.java.opts") != null && System.getProperty("test.java.opts").length() != 0) {
+        externalVMOpts = System.getProperty("test.java.opts").split(" ");
+      }
+      finalargs.addAll(Arrays.asList(externalVMOpts));
+    }
+
+    finalargs.addAll(Arrays.asList(vmargs));
+    finalargs.addAll(Arrays.asList(whiteboxOpts));
+    finalargs.add(classname);
+    finalargs.addAll(Arrays.asList(arguments));
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(finalargs.toArray(new String[0]));
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    output.shouldHaveExitValue(0);
+
+    return output;
+  }
+
+  private static void getMinInitialMaxHeap(String[] args, MinInitialMaxValues val) throws Exception {
+    OutputAnalyzer output = runWhiteBoxTest(args, ErgoArgsPrinter.class.getName(), new String[] {}, false);
+
+    // the output we watch for has the following format:
+    //
+    // "Minimum heap X Initial heap Y Maximum heap Z Min alignment A Max Alignment B"
+    //
+    // where A, B, X, Y and Z are sizes in bytes.
+    // Unfortunately there is no other way to retrieve the minimum heap size and
+    // the alignments.
+
+    Matcher m = Pattern.compile("Minimum heap \\d+ Initial heap \\d+ Maximum heap \\d+ Min alignment \\d+ Max alignment \\d+").
+      matcher(output.getStdout());
+    if (!m.find()) {
+      throw new RuntimeException("Could not find heap size string.");
+    }
+
+    String match = m.group();
+
+    // actual values
+    val.minHeapSize = valueAfter(match, "Minimum heap ");
+    val.initialHeapSize = valueAfter(match, "Initial heap ");
+    val.maxHeapSize = valueAfter(match, "Maximum heap ");
+    val.minAlignment = valueAfter(match, "Min alignment ");
+    val.maxAlignment = valueAfter(match, "Max alignment ");
+  }
+
+  /**
+   * Verify whether the VM automatically synchronizes minimum and initial heap size if only
+   * one is given for the GC specified.
+   */
+  public static void checkErgonomics(String[] args, long[] newoldsize,
+    long expectedMin, long expectedInitial) throws Exception {
+
+    MinInitialMaxValues v = new MinInitialMaxValues();
+    getMinInitialMaxHeap(args, v);
+
+    if ((expectedMin != -1) && (align_up(expectedMin, v.minAlignment) != v.minHeapSize)) {
+      throw new RuntimeException("Actual minimum heap size of " + v.minHeapSize +
+        " differs from expected minimum heap size of " + expectedMin);
+    }
+
+    if ((expectedInitial != -1) && (align_up(expectedInitial, v.minAlignment) != v.initialHeapSize)) {
+      throw new RuntimeException("Actual initial heap size of " + v.initialHeapSize +
+        " differs from expected initial heap size of " + expectedInitial);
+    }
+
+    // always check the invariant min <= initial <= max heap size
+    if (!(v.minHeapSize <= v.initialHeapSize && v.initialHeapSize <= v.maxHeapSize)) {
+      throw new RuntimeException("Inconsistent min/initial/max heap sizes, they are " +
+        v.minHeapSize + "/" + v.initialHeapSize + "/" + v.maxHeapSize);
+    }
+  }
+
+  /**
+   * Verify whether the VM respects the given maximum heap size in MB for the
+   * GC specified.
+   * @param gcflag The garbage collector to test as command line flag. E.g. -XX:+UseG1GC
+   * @param maxHeapSize the maximum heap size to verify, in MB.
+   */
+  public static void checkGenMaxHeapSize(String gcflag, long maxHeapsize) throws Exception {
+    final long K = 1024;
+
+    MinInitialMaxValues v = new MinInitialMaxValues();
+    getMinInitialMaxHeap(new String[] { gcflag, "-XX:MaxHeapSize=" + maxHeapsize + "M" }, v);
+
+    long expectedHeapSize = align_up(maxHeapsize * K * K, v.maxAlignment);
+    long actualHeapSize = v.maxHeapSize;
+
+    if (actualHeapSize > expectedHeapSize) {
+      throw new RuntimeException("Heap has " + actualHeapSize  +
+        " bytes, expected to be less than " + expectedHeapSize);
+    }
+  }
+
+  private static long getFlagValue(String flag, String where) {
+    Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
+    if (!m.find()) {
+      throw new RuntimeException("Could not find value for flag " + flag + " in output string");
+    }
+    String match = m.group();
+    return Long.parseLong(match.substring(match.lastIndexOf(" ") + 1, match.length()));
+  }
+
+  private static void shouldContainOrNot(OutputAnalyzer output, boolean contains, String message) throws Exception {
+    if (contains) {
+      output.shouldContain(message);
+    } else {
+      output.shouldNotContain(message);
+    }
+  }
+
+  private static void expect(String[] flags, boolean hasWarning, boolean hasError, int errorcode) throws Exception {
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(flags);
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    shouldContainOrNot(output, hasWarning, "Warning");
+    shouldContainOrNot(output, hasError, "Error");
+    output.shouldHaveExitValue(errorcode);
+  }
+
+  private static void expectError(String[] flags) throws Exception {
+    expect(flags, false, true, 1);
+  }
+
+  private static void expectValid(String[] flags) throws Exception {
+    expect(flags, false, false, 0);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestMinInitialErgonomics.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestMinInitialErgonomics.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,45 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+/**
+ * @test TestMinInitialErgonomics
+ * @key gc
+ * @bug 8006088
+ * @summary Test ergonomics decisions related to minimum and initial heap size.
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestMinInitialErgonomics TestMaxHeapSizeTools
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm TestMinInitialErgonomics
+ * @author thomas.schatzl@oracle.com
+ */
+
+public class TestMinInitialErgonomics {
+
+  public static void main(String args[]) throws Exception {
+    final String gcName = "-XX:+UseParallelGC";
+    // check ergonomic decisions about minimum and initial heap size in
+    // a single gc only as ergonomics are the same everywhere.
+    TestMaxHeapSizeTools.checkMinInitialErgonomics(gcName);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestParallelHeapSizeFlags.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestParallelHeapSizeFlags.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,49 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+/*
+ * @test TestParallelHeapSizeFlags
+ * @key gc
+ * @bug 8006088
+ * @summary Tests argument processing for initial and maximum heap size for the
+ * parallel collectors.
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestParallelHeapSizeFlags TestMaxHeapSizeTools
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm TestParallelHeapSizeFlags
+ * @author thomas.schatzl@oracle.com
+ */
+
+public class TestParallelHeapSizeFlags {
+
+  public static void main(String args[]) throws Exception {
+    // just pick one of the parallel generational collectors. Sizing logic is the
+    // same.
+    final String gcName = "-XX:+UseParallelOldGC";
+
+    TestMaxHeapSizeTools.checkMinInitialMaxHeapFlags(gcName);
+
+    TestMaxHeapSizeTools.checkGenMaxHeapErgo(gcName);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/arguments/TestSerialHeapSizeFlags.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestSerialHeapSizeFlags.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,46 @@
+/*
+* Copyright (c) 2013, 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
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+
+/*
+ * @test TestSerialHeapSizeFlags
+ * @key gc
+ * @bug 8006088
+ * @summary Tests argument processing for initial and maximum heap size for the Serial collector
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestSerialHeapSizeFlags TestMaxHeapSizeTools
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm TestSerialHeapSizeFlags
+ * @author thomas.schatzl@oracle.com
+ */
+
+public class TestSerialHeapSizeFlags {
+
+  public static void main(String args[]) throws Exception {
+    final String gcName = "-XX:+UseSerialGC";
+
+    TestMaxHeapSizeTools.checkMinInitialMaxHeapFlags(gcName);
+
+    TestMaxHeapSizeTools.checkGenMaxHeapErgo(gcName);
+  }
+}
+
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/g1/TestPrintGCDetails.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/g1/TestPrintGCDetails.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2013, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test TestPrintGCDetails
+ * @bug 8010738
+ * @summary Ensure that the PrintGCDetails for a full GC with G1 includes Metaspace.
+ * @key gc
+ * @key regression
+ * @library /testlibrary
+ */
+
+import com.oracle.java.testlibrary.ProcessTools;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+
+public class TestPrintGCDetails {
+  public static void main(String[] args) throws Exception {
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
+                                                              "-XX:+PrintGCDetails",
+                                                              SystemGCTest.class.getName());
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+    System.out.println("Output:\n" + output.getOutput());
+
+    output.shouldContain("Metaspace");
+    output.shouldHaveExitValue(0);
+  }
+
+  static class SystemGCTest {
+    public static void main(String [] args) {
+      System.out.println("Calling System.gc()");
+      System.gc();
+    }
+  }
+}
diff -r e484fe2abebd -r 2f9ac66165e6 test/gc/g1/TestPrintRegionRememberedSetInfo.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/g1/TestPrintRegionRememberedSetInfo.java	Fri May 17 08:00:01 2013 +0200
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2013, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test TestPrintRegionRememberedSetInfo
+ * @key gc
+ * @bug 8014240
+ * @summary Test output of G1PrintRegionRememberedSetInfo
+ * @library /testlibrary
+ * @build TestPrintRegionRememberedSetInfo
+ * @author thomas.schatzl@oracle.com
+ */
+
+import com.oracle.java.testlibrary.*;
+import java.lang.Thread;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+class RunAndWaitForMarking {
+    public static void main(String[] args) {
+        System.gc();
+        try {
+            Thread.sleep(200);
+        } catch (InterruptedException e) {
+        }
+    }
+}
+
+public class TestPrintRegionRememberedSetInfo {
+
+    public static String runTest(String arg) throws Exception {
+        ArrayList<String> finalargs = new ArrayList<String>();
+        String[] defaultArgs = new String[] {
+            "-XX:+UseG1GC",
+            "-Xmx10m",
+            "-XX:+ExplicitGCInvokesConcurrent",
+            "-XX:+UnlockDiagnosticVMOptions",
+            "-XX:+G1PrintRegionLivenessInfo",
+            "-XX:G1HeapRegionSize=1M",
+            "-XX:InitiatingHeapOccupancyPercent=0",
+        };
+
+        finalargs.addAll(Arrays.asList(defaultArgs));
+        finalargs.add(arg);
+
+        finalargs.add(RunAndWaitForMarking.class.getName());
+
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+            finalargs.toArray(new String[0]));
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        String result = output.getStdout();
+        return result;
+    }
+
+    public static void main(String[] args) throws Exception {
+        String result;
+
+        result = runTest("-XX:+G1PrintRegionLivenessInfo");
+        // check that we got region statistics output
+        if (result.indexOf("PHASE") == -1) {
+            throw new RuntimeException("Unexpected output from -XX:+PrintRegionLivenessInfo found.");
+        }
+
+        result = runTest("-XX:-G1PrintRegionLivenessInfo");
+        if (result.indexOf("remset") != -1) {
+            throw new RuntimeException("Should find remembered set information in output.");
+        }
+    }
+}
+