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