91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_MEMORY_DUMPALLOCSTATS_HPP
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#define SHARE_MEMORY_DUMPALLOCSTATS_HPP
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#include "memory/allocation.hpp"
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// This is for dumping detailed statistics for the allocations
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// in the shared spaces.
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class DumpAllocStats : public ResourceObj {
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public:
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// Here's poor man's enum inheritance
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#define SHAREDSPACE_OBJ_TYPES_DO(f) \
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METASPACE_OBJ_TYPES_DO(f) \
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f(SymbolHashentry) \
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f(SymbolBucket) \
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f(StringHashentry) \
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f(StringBucket) \
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f(ModulesNatives) \
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f(Other)
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enum Type {
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// Types are MetaspaceObj::ClassType, MetaspaceObj::SymbolType, etc
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SHAREDSPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_DECLARE)
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_number_of_types
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};
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static const char* type_name(Type type) {
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switch(type) {
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SHAREDSPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_NAME_CASE)
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default:
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ShouldNotReachHere();
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return NULL;
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}
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}
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public:
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enum { RO = 0, RW = 1 };
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int _counts[2][_number_of_types];
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int _bytes [2][_number_of_types];
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DumpAllocStats() {
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memset(_counts, 0, sizeof(_counts));
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memset(_bytes, 0, sizeof(_bytes));
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};
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void record(MetaspaceObj::Type type, int byte_size, bool read_only) {
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assert(int(type) >= 0 && type < MetaspaceObj::_number_of_types, "sanity");
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int which = (read_only) ? RO : RW;
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_counts[which][type] ++;
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_bytes [which][type] += byte_size;
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}
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void record_modules(int byte_size, bool read_only) {
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int which = (read_only) ? RO : RW;
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_bytes [which][ModulesNativesType] += byte_size;
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}
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void record_other_type(int byte_size, bool read_only) {
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int which = (read_only) ? RO : RW;
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_bytes [which][OtherType] += byte_size;
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}
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void print_stats(int ro_all, int rw_all, int mc_all);
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};
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#endif // SHARE_MEMORY_DUMPALLOCSTATS_HPP
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