--- old/src/share/vm/gc/g1/g1CollectorPolicy.cpp 2015-11-06 11:44:32.382593629 +0100 +++ new/src/share/vm/gc/g1/g1CollectorPolicy.cpp 2015-11-06 11:44:32.299591208 +0100 @@ -1232,6 +1232,8 @@ } _last_old_allocated_bytes = 0; + _ihop_control->send_jfr_event(_g1->gc_tracer_stw()); + // Note that _mmu_tracker->max_gc_time() returns the time in seconds. double update_rs_time_goal_ms = _mmu_tracker->max_gc_time() * MILLIUNITS * G1RSetUpdatingPauseTimePercent / 100.0;