src/hotspot/share/gc/g1/g1CollectedHeap.cpp

rev 50541 : imported patch 8204084-last-young-gc-marker
rev 50542 : imported patch 8204084-stefanj-review
rev 50543 : [mq]: 8204084-stefanj-review2

@@ -2809,19 +2809,23 @@
     _gc_tracer_stw->report_yc_type(collector_state()->yc_type());
 
     GCTraceCPUTime tcpu;
 
     G1HeapVerifier::G1VerifyType verify_type;
-    FormatBuffer<> gc_string("Pause ");
+    FormatBuffer<> gc_string("Pause Young ");
     if (collector_state()->in_initial_mark_gc()) {
-      gc_string.append("Initial Mark");
+      gc_string.append("(Concurrent Start)");
       verify_type = G1HeapVerifier::G1VerifyInitialMark;
     } else if (collector_state()->in_young_only_phase()) {
-      gc_string.append("Young");
+      if (collector_state()->in_young_gc_before_mixed()) {
+        gc_string.append("(Concurrent End)");
+      } else {
+        gc_string.append("(Normal)");
+      }
       verify_type = G1HeapVerifier::G1VerifyYoungOnly;
     } else {
-      gc_string.append("Mixed");
+      gc_string.append("(Mixed)");
       verify_type = G1HeapVerifier::G1VerifyMixed;
     }
     GCTraceTime(Info, gc) tm(gc_string, NULL, gc_cause(), true);
 
     uint active_workers = AdaptiveSizePolicy::calc_active_workers(workers()->total_workers(),