/*
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* Copyright (C) 2018 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_TOOLS_DEXANALYZE_DEXANALYZE_STRINGS_H_
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#define ART_TOOLS_DEXANALYZE_DEXANALYZE_STRINGS_H_
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#include <array>
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#include <map>
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#include <vector>
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#include "base/leb128.h"
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#include "base/safe_map.h"
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#include "dexanalyze_experiments.h"
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#include "dex/code_item_accessors.h"
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#include "dex/utf-inl.h"
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namespace art {
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namespace dexanalyze {
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class StringTimings {
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public:
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void Dump(std::ostream& os) const;
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uint64_t time_equal_comparisons_ = 0u;
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uint64_t time_non_equal_comparisons_ = 0u;
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uint64_t num_comparisons_ = 0u;
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};
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// Analyze string data and strings accessed from code.
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class AnalyzeStrings : public Experiment {
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public:
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void ProcessDexFiles(const std::vector<std::unique_ptr<const DexFile>>& dex_files) override;
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void Dump(std::ostream& os, uint64_t total_size) const override;
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private:
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void ProcessStrings(const std::vector<std::string>& strings);
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template <typename Strings> void Benchmark(const Strings& strings,
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const std::vector<std::string>& reference,
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StringTimings* timings);
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StringTimings prefix_timings_;
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StringTimings normal_timings_;
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int64_t wide_string_bytes_ = 0u;
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int64_t ascii_string_bytes_ = 0u;
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int64_t string_data_bytes_ = 0u;
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int64_t total_unique_string_data_bytes_ = 0u;
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int64_t total_shared_prefix_bytes_ = 0u;
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int64_t total_prefix_savings_ = 0u;
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int64_t total_prefix_dict_ = 0u;
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int64_t total_prefix_table_ = 0u;
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int64_t total_prefix_index_cost_ = 0u;
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int64_t total_num_prefixes_ = 0u;
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int64_t strings_used_prefixed_ = 0u;
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int64_t short_strings_ = 0u;
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int64_t long_strings_ = 0u;
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};
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} // namespace dexanalyze
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} // namespace art
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#endif // ART_TOOLS_DEXANALYZE_DEXANALYZE_STRINGS_H_
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