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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_TOOLS_DEXANALYZE_DEXANALYZE_STRINGS_H_
#define ART_TOOLS_DEXANALYZE_DEXANALYZE_STRINGS_H_
#include <array>
#include <map>
#include <vector>
#include "base/leb128.h"
#include "base/safe_map.h"
#include "dexanalyze_experiments.h"
#include "dex/code_item_accessors.h"
#include "dex/utf-inl.h"
namespace art {
namespace dexanalyze {
class StringTimings {
public:
void Dump(std::ostream& os) const;
uint64_t time_equal_comparisons_ = 0u;
uint64_t time_non_equal_comparisons_ = 0u;
uint64_t num_comparisons_ = 0u;
};
// Analyze string data and strings accessed from code.
class AnalyzeStrings : public Experiment {
public:
void ProcessDexFiles(const std::vector<std::unique_ptr<const DexFile>>& dex_files) override;
void Dump(std::ostream& os, uint64_t total_size) const override;
private:
void ProcessStrings(const std::vector<std::string>& strings);
template <typename Strings> void Benchmark(const Strings& strings,
const std::vector<std::string>& reference,
StringTimings* timings);
StringTimings prefix_timings_;
StringTimings normal_timings_;
int64_t wide_string_bytes_ = 0u;
int64_t ascii_string_bytes_ = 0u;
int64_t string_data_bytes_ = 0u;
int64_t total_unique_string_data_bytes_ = 0u;
int64_t total_shared_prefix_bytes_ = 0u;
int64_t total_prefix_savings_ = 0u;
int64_t total_prefix_dict_ = 0u;
int64_t total_prefix_table_ = 0u;
int64_t total_prefix_index_cost_ = 0u;
int64_t total_num_prefixes_ = 0u;
int64_t strings_used_prefixed_ = 0u;
int64_t short_strings_ = 0u;
int64_t long_strings_ = 0u;
};
} // namespace dexanalyze
} // namespace art
#endif // ART_TOOLS_DEXANALYZE_DEXANALYZE_STRINGS_H_