diff --git a/src/hotspot/share/code/codeCache.cpp b/src/hotspot/share/code/codeCache.cpp
index f9cbc90147930..4e558b24eddc2 100644
--- a/src/hotspot/share/code/codeCache.cpp
+++ b/src/hotspot/share/code/codeCache.cpp
@@ -581,6 +581,9 @@ CodeBlob* CodeCache::allocate(int size, CodeBlobType code_blob_type, bool handle
   assert(heap != nullptr, "No heap for given code_blob_type %d, heap is null", (int) code_blob_type);
 
   while (true) {
+    if ((EmulateFragmentation != 1) && (code_blob_type == CodeBlobType::MethodNonProfiled)) {
+      size *= EmulateFragmentation;
+    }
     cb = (CodeBlob*)heap->allocate(size);
     if (cb != nullptr) break;
     if (!heap->expand_by(CodeCacheExpansionSize)) {
diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
index fe9c14781cefb..a292eaac38638 100644
--- a/src/hotspot/share/runtime/globals.hpp
+++ b/src/hotspot/share/runtime/globals.hpp
@@ -1544,6 +1544,10 @@ const int ObjectAlignmentInBytes = 8;
   product(bool, SegmentedCodeCache, false,                                  \
           "Use a segmented code cache")                                     \
                                                                             \
+  product(uintx, EmulateFragmentation, 1,                                   \
+          "blow up the CodeHeap with code blobs larger than needed for nmethod")   \
+          range(1, 100)                                                     \
+                                                                            \
   product_pd(uintx, ReservedCodeCacheSize,                                  \
           "Reserved code cache size (in bytes) - maximum code cache size")  \
           constraint(VMPageSizeConstraintFunc, AtParse)                     \