Mercurial > hg > truffle
view src/share/vm/memory/metaspaceCounters.cpp @ 7252:73139223837c
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Mon, 17 Dec 2012 17:42:27 +0100 |
parents | 942bb29b20b0 |
children | 79f492f184d0 |
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/* * Copyright (c) 2012 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 "memory/metaspaceCounters.hpp" #include "memory/resourceArea.hpp" #define METASPACE_NAME "perm" MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL; MetaspaceCounters::MetaspaceCounters() { if (UsePerfData) { size_t min_capacity = MetaspaceAux::min_chunk_size(); size_t max_capacity = MetaspaceAux::reserved_in_bytes(); size_t curr_capacity = MetaspaceAux::capacity_in_bytes(); size_t used = MetaspaceAux::used_in_bytes(); initialize(min_capacity, max_capacity, curr_capacity, used); } } void MetaspaceCounters::initialize(size_t min_capacity, size_t max_capacity, size_t curr_capacity, size_t used) { if (UsePerfData) { EXCEPTION_MARK; ResourceMark rm; // Create a name that will be recognized by jstat tools as // the perm gen. Change this to a Metaspace name when the // tools are fixed. // name to recognize "sun.gc.generation.2.*" const char* name = METASPACE_NAME; const int ordinal = 2; const int spaces = 1; const char* cns = PerfDataManager::name_space("generation", ordinal); _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass); strcpy(_name_space, cns); const char* cname = PerfDataManager::counter_name(_name_space, "name"); PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); // End of perm gen like name creation cname = PerfDataManager::counter_name(_name_space, "spaces"); PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, spaces, CHECK); cname = PerfDataManager::counter_name(_name_space, "minCapacity"); PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, min_capacity, CHECK); cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, max_capacity, CHECK); cname = PerfDataManager::counter_name(_name_space, "capacity"); _current_size = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, curr_capacity, CHECK); // SpaceCounter like counters // name to recognize "sun.gc.generation.2.space.0.*" { const int space_ordinal = 0; const char* cns = PerfDataManager::name_space(_name_space, "space", space_ordinal); char* space_name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass); strcpy(space_name_space, cns); const char* cname = PerfDataManager::counter_name(space_name_space, "name"); PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); cname = PerfDataManager::counter_name(space_name_space, "maxCapacity"); _max_capacity = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, (jlong)max_capacity, CHECK); cname = PerfDataManager::counter_name(space_name_space, "capacity"); _capacity = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, curr_capacity, CHECK); cname = PerfDataManager::counter_name(space_name_space, "used"); _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, used, CHECK); cname = PerfDataManager::counter_name(space_name_space, "initCapacity"); PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, min_capacity, CHECK); } } } void MetaspaceCounters::update_capacity() { assert(UsePerfData, "Should not be called unless being used"); size_t capacity_in_bytes = MetaspaceAux::capacity_in_bytes(); _capacity->set_value(capacity_in_bytes); } void MetaspaceCounters::update_used() { assert(UsePerfData, "Should not be called unless being used"); size_t used_in_bytes = MetaspaceAux::used_in_bytes(); _used->set_value(used_in_bytes); } void MetaspaceCounters::update_max_capacity() { assert(UsePerfData, "Should not be called unless being used"); size_t reserved_in_bytes = MetaspaceAux::reserved_in_bytes(); _max_capacity->set_value(reserved_in_bytes); } void MetaspaceCounters::update_all() { if (UsePerfData) { update_used(); update_capacity(); update_max_capacity(); _current_size->set_value(MetaspaceAux::reserved_in_bytes()); } } void MetaspaceCounters::initialize_performance_counters() { if (UsePerfData) { _metaspace_counters = new MetaspaceCounters(); } } void MetaspaceCounters::update_performance_counters() { if (UsePerfData) { _metaspace_counters->update_all(); } }