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71 lines
2.5 KiB
71 lines
2.5 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_LIBARTBASE_BASE_STATS_INL_H_
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#define ART_LIBARTBASE_BASE_STATS_INL_H_
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#include <iomanip>
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#include <map>
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#include "base/stats.h"
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#include "base/indenter.h"
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namespace art {
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void Stats::DumpSizes(VariableIndentationOutputStream& os, std::string_view name) const {
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Dump(os, name, Value(), 1000.0, "KB");
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}
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void Stats::Dump(VariableIndentationOutputStream& os,
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std::string_view name,
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double total,
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double unit_size,
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const char* unit) const {
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double percent = total > 0 ? 100.0 * Value() / total : 0;
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const size_t name_width = 52 - os.GetIndentation();
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if (name.length() > name_width) {
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// Handle very long names by printing them on their own line.
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os.Stream() << name << " \\\n";
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name = "";
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}
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os.Stream()
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<< std::setw(name_width) << std::left << name << " "
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<< std::setw(6) << std::right << Count() << " "
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<< std::setw(10) << std::fixed << std::setprecision(3) << Value() / unit_size << unit << " "
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<< std::setw(6) << std::fixed << std::setprecision(1) << percent << "%\n";
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// Sort all children by largest value first, then by name.
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std::map<std::pair<double, std::string_view>, const Stats&> sorted_children;
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for (const auto& it : Children()) {
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sorted_children.emplace(std::make_pair(-it.second.Value(), it.first), it.second);
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}
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// Add "other" row to represent any amount not account for by the children.
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Stats other;
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other.AddBytes(Value() - SumChildrenValues(), Count());
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if (other.Value() != 0.0 && !Children().empty()) {
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sorted_children.emplace(std::make_pair(-other.Value(), "(other)"), other);
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}
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// Print the data.
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ScopedIndentation indent1(&os);
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for (const auto& it : sorted_children) {
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it.second.Dump(os, it.first.second, total, unit_size, unit);
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}
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}
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} // namespace art
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#endif // ART_LIBARTBASE_BASE_STATS_INL_H_
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