--- old/src/share/vm/gc/serial/genMarkSweep.cpp	2015-11-19 15:35:17.250128914 +0100
+++ new/src/share/vm/gc/serial/genMarkSweep.cpp	2015-11-19 15:35:17.138128918 +0100
@@ -70,7 +70,7 @@
   set_ref_processor(rp);
   rp->setup_policy(clear_all_softrefs);
 
-  GCTraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL);
+  GCTraceTime(Info, gc) t1("Pause Full", NULL, gch->gc_cause(), true);
 
   gch->trace_heap_before_gc(_gc_tracer);
 
@@ -81,9 +81,6 @@
   // Increment the invocation count
   _total_invocations++;
 
-  // Capture heap size before collection for printing.
-  size_t gch_prev_used = gch->used();
-
   // Capture used regions for each generation that will be
   // subject to collection, so that card table adjustments can
   // be made intelligently (see clear / invalidate further below).
@@ -133,10 +130,6 @@
   CodeCache::gc_epilogue();
   JvmtiExport::gc_epilogue();
 
-  if (PrintGC && !PrintGCDetails) {
-    gch->print_heap_change(gch_prev_used);
-  }
-
   // refs processing: clean slate
   set_ref_processor(NULL);
 
@@ -188,7 +181,7 @@
 
 void GenMarkSweep::mark_sweep_phase1(bool clear_all_softrefs) {
   // Recursively traverse all live objects and mark them
-  GCTraceTime tm("phase 1", PrintGC && Verbose, true, _gc_timer);
+  GCTraceTime(Trace, gc) tm("Phase 1: Mark live objects", _gc_timer);
 
   GenCollectedHeap* gch = GenCollectedHeap::heap();
 
@@ -261,7 +254,7 @@
 
   GenCollectedHeap* gch = GenCollectedHeap::heap();
 
-  GCTraceTime tm("phase 2", PrintGC && Verbose, true, _gc_timer);
+  GCTraceTime(Trace, gc) tm("Phase 2: Compute new object addresses", _gc_timer);
 
   gch->prepare_for_compaction();
 }
@@ -277,7 +270,7 @@
   GenCollectedHeap* gch = GenCollectedHeap::heap();
 
   // Adjust the pointers to reflect the new locations
-  GCTraceTime tm("phase 3", PrintGC && Verbose, true, _gc_timer);
+  GCTraceTime(Trace, gc) tm("Phase 3: Adjust pointers", _gc_timer);
 
   // Need new claim bits for the pointer adjustment tracing.
   ClassLoaderDataGraph::clear_claimed_marks();
@@ -329,7 +322,7 @@
   // to use a higher index (saved from phase2) when verifying perm_gen.
   GenCollectedHeap* gch = GenCollectedHeap::heap();
 
-  GCTraceTime tm("phase 4", PrintGC && Verbose, true, _gc_timer);
+  GCTraceTime(Trace, gc) tm("Phase 4: Move objects", _gc_timer);
 
   GenCompactClosure blk;
   gch->generation_iterate(&blk, true);