src/share/vm/gc/cms/parNewGeneration.cpp

rev 13328 : [mq]: webrev.0b
rev 13329 : [mq]: webrev.1
rev 13331 : imported patch webrev.3b
rev 13332 : [mq]: webrev.4

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 982,1005 ****
      &scan_without_gc_barrier, &scan_with_gc_barrier);
    rp->setup_policy(clear_all_soft_refs);
    // Can  the mt_degree be set later (at run_task() time would be best)?
    rp->set_active_mt_degree(active_workers);
    ReferenceProcessorStats stats;
    if (rp->processing_is_mt()) {
      ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
      stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                                &evacuate_followers, &task_executor,
!                                               _gc_timer);
    } else {
      thread_state_set.flush();
      gch->save_marks();
      stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                                &evacuate_followers, NULL,
!                                               _gc_timer);
    }
    _gc_tracer.report_gc_reference_stats(stats);
    _gc_tracer.report_tenuring_threshold(tenuring_threshold());
  
    if (!promotion_failed()) {
      // Swap the survivor spaces.
      eden()->clear(SpaceDecorator::Mangle);
      from()->clear(SpaceDecorator::Mangle);
--- 982,1007 ----
      &scan_without_gc_barrier, &scan_with_gc_barrier);
    rp->setup_policy(clear_all_soft_refs);
    // Can  the mt_degree be set later (at run_task() time would be best)?
    rp->set_active_mt_degree(active_workers);
    ReferenceProcessorStats stats;
+   ReferenceProcessorPhaseTimes pt(_gc_timer, rp->num_q());
    if (rp->processing_is_mt()) {
      ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
      stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                                &evacuate_followers, &task_executor,
!                                               &pt);
    } else {
      thread_state_set.flush();
      gch->save_marks();
      stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                                &evacuate_followers, NULL,
!                                               &pt);
    }
    _gc_tracer.report_gc_reference_stats(stats);
    _gc_tracer.report_tenuring_threshold(tenuring_threshold());
+   pt.print_all_references();
  
    if (!promotion_failed()) {
      // Swap the survivor spaces.
      eden()->clear(SpaceDecorator::Mangle);
      from()->clear(SpaceDecorator::Mangle);
*** 1047,1064 ****
    update_time_of_last_gc(now);
  
    rp->set_enqueuing_is_done(true);
    if (rp->processing_is_mt()) {
      ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
!     rp->enqueue_discovered_references(&task_executor);
    } else {
!     rp->enqueue_discovered_references(NULL);
    }
    rp->verify_no_references_recorded();
  
    gch->trace_heap_after_gc(gc_tracer());
  
    _gc_timer->register_gc_end();
  
    _gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions());
  }
  
--- 1049,1068 ----
    update_time_of_last_gc(now);
  
    rp->set_enqueuing_is_done(true);
    if (rp->processing_is_mt()) {
      ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
!     rp->enqueue_discovered_references(&task_executor, &pt);
    } else {
!     rp->enqueue_discovered_references(NULL, &pt);
    }
    rp->verify_no_references_recorded();
  
    gch->trace_heap_after_gc(gc_tracer());
  
+   pt.print_enqueue_phase();
+ 
    _gc_timer->register_gc_end();
  
    _gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions());
  }