src/share/vm/memory/defNewGeneration.cpp

*** 1002,1011 ****
--- 1002,1014 ----
    // We try to allocate from the eden.  If that works, we are happy.
    // Note that since DefNewGeneration supports lock-free allocation, we
    // have to use it here, as well.
    HeapWord* result = eden()->par_allocate(word_size);
    if (result != NULL) {
+     if (CMSEdenChunksRecordAlways && _next_gen != NULL) {
+       _next_gen->sample_eden_chunk();
+     }
      return result;
    }
    do {
      HeapWord* old_limit = eden()->soft_end();
      if (old_limit < eden()->end()) {
*** 1032,1048 ****
    // out of heap space, and we try to allocate the from-space, too.
    // allocate_from_space can't be inlined because that would introduce a
    // circular dependency at compile time.
    if (result == NULL) {
      result = allocate_from_space(word_size);
    }
    return result;
  }
  
  HeapWord* DefNewGeneration::par_allocate(size_t word_size,
                                           bool is_tlab) {
!   return eden()->par_allocate(word_size);
  }
  
  void DefNewGeneration::gc_prologue(bool full) {
    // Ensure that _end and _soft_end are the same in eden space.
    eden()->set_soft_end(eden()->end());
--- 1035,1057 ----
    // out of heap space, and we try to allocate the from-space, too.
    // allocate_from_space can't be inlined because that would introduce a
    // circular dependency at compile time.
    if (result == NULL) {
      result = allocate_from_space(word_size);
+   } else if (CMSEdenChunksRecordAlways && _next_gen != NULL) {
+     _next_gen->sample_eden_chunk();
    }
    return result;
  }
  
  HeapWord* DefNewGeneration::par_allocate(size_t word_size,
                                           bool is_tlab) {
!   HeapWord* res = eden()->par_allocate(word_size);
!   if (CMSEdenChunksRecordAlways && _next_gen != NULL) {
!     _next_gen->sample_eden_chunk();
!   }
!   return res;
  }
  
  void DefNewGeneration::gc_prologue(bool full) {
    // Ensure that _end and _soft_end are the same in eden space.
    eden()->set_soft_end(eden()->end());