/*
* 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 .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*
*/
#include "precompiled.hpp"
#include "gc/g1/g1CollectedHeap.hpp"
#include "gc/g1/g1HeapRegionEventSender.hpp"
#include "gc/g1/heapRegion.hpp"
#include "gc/shared/gc_globals.hpp"
#include "jfr/jfrEvents.hpp"
#include "runtime/vmThread.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 ;
}
};
class VM_G1SendHeapRegionInfoEvents : public VM_Operation {
virtual void doit() {
DumpEventInfoClosure c;
G1CollectedHeap::heap()->heap_region_iterate(&c);
}
virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; }
};
void G1HeapRegionEventSender::send_events() {
if (UseG1GC) {
VM_G1SendHeapRegionInfoEvents op;
VMThread::execute(&op);
}
}
Messung V0.5 in Prozent C=86 H=96 G=90
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-06-10)
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