1/*
2 * Copyright (c) 2017, 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/g1FullGCScope.hpp"
27
28G1FullGCScope::G1FullGCScope(G1MonitoringSupport* monitoring_support, bool explicit_gc, bool clear_soft) :
29 _rm(),
30 _explicit_gc(explicit_gc),
31 _g1h(G1CollectedHeap::heap()),
32 _gc_id(),
33 _svc_marker(SvcGCMarker::FULL),
34 _timer(),
35 _tracer(),
36 _active(),
37 _cpu_time(),
38 _soft_refs(clear_soft, _g1h->soft_ref_policy()),
39 _monitoring_scope(monitoring_support, true /* full_gc */, true /* all_memory_pools_affected */),
40 _heap_transition(_g1h) {
41 _timer.register_gc_start();
42 _tracer.report_gc_start(_g1h->gc_cause(), _timer.gc_start());
43 _g1h->pre_full_gc_dump(&_timer);
44 _g1h->trace_heap_before_gc(&_tracer);
45}
46
47G1FullGCScope::~G1FullGCScope() {
48 // We must call G1MonitoringSupport::update_sizes() in the same scoping level
49 // as an active TraceMemoryManagerStats object (i.e. before the destructor for the
50 // TraceMemoryManagerStats is called) so that the G1 memory pools are updated
51 // before any GC notifications are raised.
52 _g1h->g1mm()->update_sizes();
53 _g1h->trace_heap_after_gc(&_tracer);
54 _g1h->post_full_gc_dump(&_timer);
55 _timer.register_gc_end();
56 _tracer.report_gc_end(_timer.gc_end(), _timer.time_partitions());
57}
58
59bool G1FullGCScope::is_explicit_gc() {
60 return _explicit_gc;
61}
62
63bool G1FullGCScope::should_clear_soft_refs() {
64 return _soft_refs.should_clear();
65}
66
67STWGCTimer* G1FullGCScope::timer() {
68 return &_timer;
69}
70
71G1FullGCTracer* G1FullGCScope::tracer() {
72 return &_tracer;
73}
74
75G1HeapTransition* G1FullGCScope::heap_transition() {
76 return &_heap_transition;
77}
78