| /* |
| * Copyright (c) 2017, 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" |
| |
| G1FullGCScope* G1FullGCScope::_instance = NULL; |
| |
| G1FullGCScope* G1FullGCScope::instance() { |
| assert(_instance != NULL, "Must be setup already"); |
| return _instance; |
| } |
| |
| G1FullGCScope::G1FullGCScope(bool explicit_gc, bool clear_soft) : |
| _rm(), |
| _explicit_gc(explicit_gc), |
| _g1h(G1CollectedHeap::heap()), |
| _gc_id(), |
| _svc_marker(SvcGCMarker::FULL), |
| _timer(), |
| _tracer(), |
| _active(), |
| _cpu_time(), |
| _soft_refs(clear_soft, _g1h->collector_policy()), |
| _memory_stats(true, _g1h->gc_cause()), |
| _collector_stats(_g1h->g1mm()->full_collection_counters()), |
| _heap_transition(_g1h) { |
| assert(_instance == NULL, "Only one scope at a time"); |
| _timer.register_gc_start(); |
| _tracer.report_gc_start(_g1h->gc_cause(), _timer.gc_start()); |
| _g1h->pre_full_gc_dump(&_timer); |
| _g1h->trace_heap_before_gc(&_tracer); |
| _instance = this; |
| } |
| |
| G1FullGCScope::~G1FullGCScope() { |
| // We must call G1MonitoringSupport::update_sizes() in the same scoping level |
| // as an active TraceMemoryManagerStats object (i.e. before the destructor for the |
| // TraceMemoryManagerStats is called) so that the G1 memory pools are updated |
| // before any GC notifications are raised. |
| _g1h->g1mm()->update_sizes(); |
| _g1h->trace_heap_after_gc(&_tracer); |
| _g1h->post_full_gc_dump(&_timer); |
| _timer.register_gc_end(); |
| _tracer.report_gc_end(_timer.gc_end(), _timer.time_partitions()); |
| _instance = NULL; |
| } |
| |
| bool G1FullGCScope::is_explicit_gc() { |
| return _explicit_gc; |
| } |
| |
| bool G1FullGCScope::should_clear_soft_refs() { |
| return _soft_refs.should_clear(); |
| } |
| |
| STWGCTimer* G1FullGCScope::timer() { |
| return &_timer; |
| } |
| |
| SerialOldTracer* G1FullGCScope::tracer() { |
| return &_tracer; |
| } |
| |
| G1HeapTransition* G1FullGCScope::heap_transition() { |
| return &_heap_transition; |
| } |