--- old/src/share/vm/gc/shared/threadLocalAllocBuffer.inline.hpp	2015-12-01 12:06:25.490930219 +0100
+++ new/src/share/vm/gc/shared/threadLocalAllocBuffer.inline.hpp	2015-12-01 12:06:25.374930223 +0100
@@ -27,6 +27,7 @@
 
 #include "gc/shared/collectedHeap.hpp"
 #include "gc/shared/threadLocalAllocBuffer.hpp"
+#include "logging/log.hpp"
 #include "runtime/thread.hpp"
 #include "utilities/copy.hpp"
 
@@ -66,18 +67,12 @@
   const size_t obj_plus_filler_size = aligned_obj_size + alignment_reserve();
   if (new_tlab_size < obj_plus_filler_size) {
     // If there isn't enough room for the allocation, return failure.
-    if (PrintTLAB && Verbose) {
-      gclog_or_tty->print_cr("ThreadLocalAllocBuffer::compute_size(" SIZE_FORMAT ")"
-                    " returns failure",
-                    obj_size);
-    }
+    log_trace(gc, tlab)("ThreadLocalAllocBuffer::compute_size(" SIZE_FORMAT ") returns failure",
+                        obj_size);
     return 0;
   }
-  if (PrintTLAB && Verbose) {
-    gclog_or_tty->print_cr("ThreadLocalAllocBuffer::compute_size(" SIZE_FORMAT ")"
-                  " returns " SIZE_FORMAT,
-                  obj_size, new_tlab_size);
-  }
+  log_trace(gc, tlab)("ThreadLocalAllocBuffer::compute_size(" SIZE_FORMAT ") returns " SIZE_FORMAT,
+                      obj_size, new_tlab_size);
   return new_tlab_size;
 }
 
@@ -91,15 +86,12 @@
 
   _slow_allocations++;
 
-  if (PrintTLAB && Verbose) {
-    Thread* thrd = myThread();
-    gclog_or_tty->print("TLAB: %s thread: " INTPTR_FORMAT " [id: %2d]"
-                        " obj: " SIZE_FORMAT
-                        " free: " SIZE_FORMAT
-                        " waste: " SIZE_FORMAT "\n",
-                        "slow", p2i(thrd), thrd->osthread()->thread_id(),
-                        obj_size, free(), refill_waste_limit());
-  }
+  log_develop_trace(gc, tlab)("TLAB: %s thread: " INTPTR_FORMAT " [id: %2d]"
+                              " obj: " SIZE_FORMAT
+                              " free: " SIZE_FORMAT
+                              " waste: " SIZE_FORMAT,
+                              "slow", p2i(myThread()), myThread()->osthread()->thread_id(),
+                              obj_size, free(), refill_waste_limit());
 }
 
 #endif // SHARE_VM_GC_SHARED_THREADLOCALALLOCBUFFER_INLINE_HPP