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 }