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Datei: g1FullGCScope.cpp Sprache: C

/*
* Copyright (c) 2017, 2022, 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/g1FullGCScope.hpp"
#include "gc/shared/gc_globals.hpp"

G1FullGCJFRTracerMark::G1FullGCJFRTracerMark(STWGCTimer* timer, GCTracer* tracer)
  : G1JFRTracerMark(timer, tracer) {

  G1CollectedHeap::heap()->pre_full_gc_dump(_timer);
}

G1FullGCJFRTracerMark::~G1FullGCJFRTracerMark() {
  G1CollectedHeap::heap()->post_full_gc_dump(_timer);
}

G1FullGCScope::G1FullGCScope(G1MonitoringSupport* monitoring_support,
                             bool explicit_gc,
                             bool clear_soft,
                             bool do_maximal_compaction,
                             G1FullGCTracer* tracer) :
    _rm(),
    _explicit_gc(explicit_gc),
    _g1h(G1CollectedHeap::heap()),
    _svc_marker(SvcGCMarker::FULL),
    _timer(),
    _tracer(tracer),
    _active(),
    _tracer_mark(&_timer, _tracer),
    _soft_refs(clear_soft, _g1h->soft_ref_policy()),
    _monitoring_scope(monitoring_support),
    _heap_printer(_g1h),
    _region_compaction_threshold(do_maximal_compaction ?
                                 HeapRegion::GrainWords :
                                 (1 - MarkSweepDeadRatio / 100.0) * HeapRegion::GrainWords) { }

bool G1FullGCScope::is_explicit_gc() {
  return _explicit_gc;
}

bool G1FullGCScope::should_clear_soft_refs() {
  return _soft_refs.should_clear();
}

STWGCTimer* G1FullGCScope::timer() {
  return &_timer;
}

G1FullGCTracer* G1FullGCScope::tracer() {
  return _tracer;
}

size_t G1FullGCScope::region_compaction_threshold() const {
  return _region_compaction_threshold;
}

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