--- old/src/share/vm/gc/parallel/parallelScavengeHeap.cpp	2017-09-01 13:03:00.022221465 +0200
+++ new/src/share/vm/gc/parallel/parallelScavengeHeap.cpp	2017-09-01 13:02:59.886216061 +0200
@@ -574,16 +574,10 @@
 }
 
 void ParallelScavengeHeap::print_tracing_info() const {
-  if (TraceYoungGenTime) {
-    double time = PSScavenge::accumulated_time()->seconds();
-    tty->print_cr("[Accumulated GC generation 0 time %3.7f secs]", time);
-  }
-  if (TraceOldGenTime) {
-    double time = UseParallelOldGC ? PSParallelCompact::accumulated_time()->seconds() : PSMarkSweep::accumulated_time()->seconds();
-    tty->print_cr("[Accumulated GC generation 1 time %3.7f secs]", time);
-  }
-
   AdaptiveSizePolicyOutput::print();
+  log_debug(gc, heap, exit)("Accumulated young generation GC time %3.7f secs", PSScavenge::accumulated_time()->seconds());
+  log_debug(gc, heap, exit)("Accumulated old generation GC time %3.7f secs",
+      UseParallelOldGC ? PSParallelCompact::accumulated_time()->seconds() : PSMarkSweep::accumulated_time()->seconds());
 }