8227084: Add timing information for merge heap root preparation
Reviewed-by: sangheki, kbarrett
/*
* Copyright (c) 2016, 2018, 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.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
#include "precompiled.hpp"
#include "gc/g1/g1CollectedHeap.hpp"
#include "gc/g1/heapRegion.hpp"
#include "g1HeapRegionEventSender.hpp"
#include "jfr/jfrEvents.hpp"
class DumpEventInfoClosure : public HeapRegionClosure {
public:
bool do_heap_region(HeapRegion* r) {
EventG1HeapRegionInformation evt;
evt.set_index(r->hrm_index());
evt.set_type(r->get_trace_type());
evt.set_start((uintptr_t)r->bottom());
evt.set_used(r->used());
evt.commit();
return false;
}
};
void G1HeapRegionEventSender::send_events() {
DumpEventInfoClosure c;
G1CollectedHeap::heap()->heap_region_iterate(&c);
}