--- old/src/share/vm/gc/shared/genCollectedHeap.cpp	2016-03-17 14:11:52.257612827 +0100
+++ new/src/share/vm/gc/shared/genCollectedHeap.cpp	2016-03-17 14:11:52.121608245 +0100
@@ -315,7 +315,7 @@
                                           bool is_tlab, bool run_verification, bool clear_soft_refs,
                                           bool restore_marks_for_biased_locking) {
   FormatBuffer<> title("Collect gen: %s", gen->short_name());
-  GCTraceTime(Debug, gc) t1(title);
+  GCTraceTime(Trace, gc, phases) t1(title);
   TraceCollectorStats tcs(gen->counters());
   TraceMemoryManagerStats tmms(gen->kind(),gc_cause());