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 28 G1FullGCScope::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 47 G1FullGCScope::~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 59 bool G1FullGCScope::is_explicit_gc() { 60 return _explicit_gc; 61 } 62 63 bool G1FullGCScope::should_clear_soft_refs() { 64 return _soft_refs.should_clear(); 65 } 66 67 STWGCTimer* G1FullGCScope::timer() { 68 return &_timer; 69 } 70 71 G1FullGCTracer* G1FullGCScope::tracer() { 72 return &_tracer; 73 } 74 75 G1HeapTransition* G1FullGCScope::heap_transition() { 76 return &_heap_transition; 77 }