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/*
* Copyright (C) 2020 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.
*/
#pragma once
#include <benchmark/benchmark.h>
#include <stdint.h>
#include <string>
std::string GetBenchmarkFilesDirectory();
std::string GetElfFile();
std::string GetSymbolSortedElfFile();
// GetLargeCompressedFrameElfFile and GetLargeEhFrameElfFile were added to provide larger
// ELF files for more representative benchmarks. Theses ELF files will enable validation
// of optimizations to the unwindstack::Elf.
std::string GetLargeCompressedFrameElfFile();
std::string GetLargeEhFrameElfFile();
#if defined(__BIONIC__)
#include <meminfo/procmeminfo.h>
#include <procinfo/process_map.h>
void GatherRss(uint64_t* rss_bytes);
#endif
class MemoryTracker {
public:
void StartTrackingAllocations();
void StopTrackingAllocations();
void SetBenchmarkCounters(benchmark::State& state);
private:
#if defined(__BIONIC__)
uint64_t total_rss_bytes_ = 0;
uint64_t min_rss_bytes_ = 0;
uint64_t max_rss_bytes_ = 0;
uint64_t rss_bytes_before_;
#endif
uint64_t total_alloc_bytes_ = 0;
uint64_t min_alloc_bytes_ = std::numeric_limits<uint64_t>::max();
uint64_t max_alloc_bytes_ = 0;
uint64_t alloc_bytes_before_;
// Benchmarks may run multiple times (the whole benchmark not just what is in the ranged based
// for loop) but this instance is not destructed and re-constructed each time. So this holds the
// total number of iterations of the ranged for loop across all runs of a single benchmark.
size_t total_iterations_ = 0;
};
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