hotspot/src/share/vm/code/codeCache.cpp
changeset 46632 cef226af6c02
parent 46625 edefffab74e2
parent 45622 3e4f81c922de
child 46637 ad6940426976
--- a/hotspot/src/share/vm/code/codeCache.cpp	Wed Jul 05 11:03:19 2017 -0700
+++ b/hotspot/src/share/vm/code/codeCache.cpp	Wed Jul 05 18:14:48 2017 -0700
@@ -132,6 +132,7 @@
 // Iterate over all CodeHeaps
 #define FOR_ALL_HEAPS(heap) for (GrowableArrayIterator<CodeHeap*> heap = _heaps->begin(); heap != _heaps->end(); ++heap)
 #define FOR_ALL_NMETHOD_HEAPS(heap) for (GrowableArrayIterator<CodeHeap*> heap = _nmethod_heaps->begin(); heap != _nmethod_heaps->end(); ++heap)
+#define FOR_ALL_ALLOCABLE_HEAPS(heap) for (GrowableArrayIterator<CodeHeap*> heap = _allocable_heaps->begin(); heap != _allocable_heaps->end(); ++heap)
 
 // Iterate over all CodeBlobs (cb) on the given CodeHeap
 #define FOR_ALL_BLOBS(cb, heap) for (CodeBlob* cb = first_blob(heap); cb != NULL; cb = next_blob(heap, cb))
@@ -142,10 +143,11 @@
 bool CodeCache::_needs_cache_clean = false;
 nmethod* CodeCache::_scavenge_root_nmethods = NULL;
 
-// Initialize array of CodeHeaps
+// Initialize arrays of CodeHeap subsets
 GrowableArray<CodeHeap*>* CodeCache::_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<CodeHeap*> (CodeBlobType::All, true);
 GrowableArray<CodeHeap*>* CodeCache::_compiled_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<CodeHeap*> (CodeBlobType::All, true);
 GrowableArray<CodeHeap*>* CodeCache::_nmethod_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<CodeHeap*> (CodeBlobType::All, true);
+GrowableArray<CodeHeap*>* CodeCache::_allocable_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<CodeHeap*> (CodeBlobType::All, true);
 
 void CodeCache::check_heap_sizes(size_t non_nmethod_size, size_t profiled_size, size_t non_profiled_size, size_t cache_size, bool all_set) {
   size_t total_size = non_nmethod_size + profiled_size + non_profiled_size;
@@ -340,6 +342,7 @@
   return rs;
 }
 
+// Heaps available for allocation
 bool CodeCache::heap_available(int code_blob_type) {
   if (!SegmentedCodeCache) {
     // No segmentation: use a single code heap
@@ -393,6 +396,9 @@
   if (code_blob_type_accepts_nmethod(type)) {
     _nmethod_heaps->insert_sorted<code_heap_compare>(heap);
   }
+  if (code_blob_type_accepts_allocable(type)) {
+    _allocable_heaps->insert_sorted<code_heap_compare>(heap);
+  }
 }
 
 void CodeCache::add_heap(ReservedSpace rs, const char* name, int code_blob_type) {
@@ -665,7 +671,7 @@
 
 void CodeCache::blobs_do(CodeBlobClosure* f) {
   assert_locked_or_safepoint(CodeCache_lock);
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     FOR_ALL_BLOBS(cb, *heap) {
       if (cb->is_alive()) {
         f->do_code_blob(cb);
@@ -962,7 +968,7 @@
 
 size_t CodeCache::capacity() {
   size_t cap = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     cap += (*heap)->capacity();
   }
   return cap;
@@ -975,7 +981,7 @@
 
 size_t CodeCache::unallocated_capacity() {
   size_t unallocated_cap = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     unallocated_cap += (*heap)->unallocated_capacity();
   }
   return unallocated_cap;
@@ -983,7 +989,7 @@
 
 size_t CodeCache::max_capacity() {
   size_t max_cap = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     max_cap += (*heap)->max_capacity();
   }
   return max_cap;
@@ -1009,7 +1015,7 @@
 
 size_t CodeCache::bytes_allocated_in_freelists() {
   size_t allocated_bytes = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     allocated_bytes += (*heap)->allocated_in_freelist();
   }
   return allocated_bytes;
@@ -1017,7 +1023,7 @@
 
 int CodeCache::allocated_segments() {
   int number_of_segments = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     number_of_segments += (*heap)->allocated_segments();
   }
   return number_of_segments;
@@ -1025,7 +1031,7 @@
 
 size_t CodeCache::freelists_length() {
   size_t length = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     length += (*heap)->freelist_length();
   }
   return length;
@@ -1375,7 +1381,7 @@
 
 void CodeCache::print_memory_overhead() {
   size_t wasted_bytes = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
       CodeHeap* curr_heap = *heap;
       for (CodeBlob* cb = (CodeBlob*)curr_heap->first(); cb != NULL; cb = (CodeBlob*)curr_heap->next(cb)) {
         HeapBlock* heap_block = ((HeapBlock*)cb) - 1;
@@ -1421,7 +1427,7 @@
   ResourceMark rm;
 
   int i = 0;
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     if ((_nmethod_heaps->length() >= 1) && Verbose) {
       tty->print_cr("-- %s --", (*heap)->name());
     }
@@ -1518,7 +1524,7 @@
   CodeBlob_sizes live;
   CodeBlob_sizes dead;
 
-  FOR_ALL_NMETHOD_HEAPS(heap) {
+  FOR_ALL_ALLOCABLE_HEAPS(heap) {
     FOR_ALL_BLOBS(cb, *heap) {
       if (!cb->is_alive()) {
         dead.add(cb);
@@ -1544,7 +1550,7 @@
     int number_of_blobs = 0;
     int number_of_oop_maps = 0;
     int map_size = 0;
-    FOR_ALL_NMETHOD_HEAPS(heap) {
+    FOR_ALL_ALLOCABLE_HEAPS(heap) {
       FOR_ALL_BLOBS(cb, *heap) {
         if (cb->is_alive()) {
           number_of_blobs++;