59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/*
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* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "gc/g1/g1CollectedHeap.hpp"
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#include "gc/g1/heapRegion.hpp"
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#include "g1HeapRegionEventSender.hpp"
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#include "jfr/jfrEvents.hpp"
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#include "runtime/vmThread.hpp"
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class DumpEventInfoClosure : public HeapRegionClosure {
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public:
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bool do_heap_region(HeapRegion* r) {
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EventG1HeapRegionInformation evt;
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evt.set_index(r->hrm_index());
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evt.set_type(r->get_trace_type());
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evt.set_start((uintptr_t)r->bottom());
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evt.set_used(r->used());
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evt.commit();
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return false;
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}
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};
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class VM_G1SendHeapRegionInfoEvents : public VM_Operation {
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virtual void doit() {
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DumpEventInfoClosure c;
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G1CollectedHeap::heap()->heap_region_iterate(&c);
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}
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virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; }
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};
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void G1HeapRegionEventSender::send_events() {
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if (UseG1GC) {
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VM_G1SendHeapRegionInfoEvents op;
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VMThread::execute(&op);
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}
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}
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