1 /* 2 * Copyright (c) 2002, 2015, 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/shared/generationCounters.hpp" 27 #include "memory/allocation.inline.hpp" 28 #include "memory/resourceArea.hpp" 29 30 void GenerationCounters::initialize(const char* name, int ordinal, int spaces, 31 size_t min_capacity, size_t max_capacity, 32 size_t curr_capacity) { 33 if (UsePerfData) { 34 EXCEPTION_MARK; 35 ResourceMark rm; 36 37 const char* cns = PerfDataManager::name_space("generation", ordinal); 38 39 _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC); 40 strcpy(_name_space, cns); 41 42 const char* cname = PerfDataManager::counter_name(_name_space, "name"); 43 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); 44 45 cname = PerfDataManager::counter_name(_name_space, "spaces"); 46 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, 47 spaces, CHECK); 48 49 cname = PerfDataManager::counter_name(_name_space, "minCapacity"); 50 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, 51 min_capacity, CHECK); 52 53 cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); 54 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, 55 max_capacity, CHECK); 56 57 cname = PerfDataManager::counter_name(_name_space, "capacity"); 58 _current_size = 59 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, 60 curr_capacity, CHECK); 61 } 62 } 63 64 GenerationCounters::GenerationCounters(const char* name, 65 int ordinal, int spaces, 66 size_t min_capacity, size_t max_capacity, 67 VirtualSpace* v) 68 : _virtual_space(v) { 69 assert(v != NULL, "don't call this constructor if v == NULL"); 70 initialize(name, ordinal, spaces, 71 min_capacity, max_capacity, v->committed_size()); 72 } 73 74 GenerationCounters::GenerationCounters(const char* name, 75 int ordinal, int spaces, 76 size_t min_capacity, size_t max_capacity, 77 size_t curr_capacity) 78 : _virtual_space(NULL) { 79 initialize(name, ordinal, spaces, min_capacity, max_capacity, curr_capacity); 80 } 81 82 GenerationCounters::~GenerationCounters() { 83 if (_name_space != NULL) { 84 FREE_C_HEAP_ARRAY(char, _name_space); 85 } 86 } 87 88 void GenerationCounters::update_all() { 89 assert(_virtual_space != NULL, "otherwise, override this method"); 90 _current_size->set_value(_virtual_space->committed_size()); 91 }