src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp

@@ -1283,11 +1283,11 @@
 
   {
     IsGCActiveMark x;
 
     // Timing
-    assert(gc_cause() != GCCause::_java_lang_system_gc || explicit_gc, "invariant");
+    assert(!GCCause::is_user_requested_gc(gc_cause()) || explicit_gc, "invariant");
     TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
 
     {
       GCTraceTime t(GCCauseString("Full GC", gc_cause()), G1Log::fine(), true, NULL, gc_tracer->gc_id());
       TraceCollectorStats tcs(g1mm()->full_collection_counters());

@@ -2327,10 +2327,11 @@
 
 bool G1CollectedHeap::should_do_concurrent_full_gc(GCCause::Cause cause) {
   switch (cause) {
     case GCCause::_gc_locker:               return GCLockerInvokesConcurrent;
     case GCCause::_java_lang_system_gc:     return ExplicitGCInvokesConcurrent;
+    case GCCause::_dcmd_gc_run:             return ExplicitGCInvokesConcurrent;
     case GCCause::_g1_humongous_allocation: return true;
     case GCCause::_update_allocation_context_stats_inc: return true;
     default:                                return false;
   }
 }