1 /*
   2  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1CollectedHeap.hpp"
  27 #include "gc/g1/heapRegion.hpp"
  28 #include "g1HeapRegionEventSender.hpp"
  29 #include "jfr/jfrEvents.hpp"
  30 
  31 class DumpEventInfoClosure : public HeapRegionClosure {
  32 public:
  33   bool do_heap_region(HeapRegion* r) {
  34     EventG1HeapRegionInformation evt;
  35     evt.set_index(r->hrm_index());
  36     evt.set_type(r->get_trace_type());
  37     evt.set_start((uintptr_t)r->bottom());
  38     evt.set_used(r->used());
  39     evt.commit();
  40     return false;
  41   }
  42 };
  43 
  44 
  45 void G1HeapRegionEventSender::send_events() {
  46   DumpEventInfoClosure c;
  47 
  48   G1CollectedHeap::heap()->heap_region_iterate(&c);
  49 }