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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.
*/
#include <err.h>
#include <stdint.h>
#include <benchmark/benchmark.h>
#include <malloc.h>
#include <string>
#include <vector>
#include <android-base/file.h>
#include <android-base/strings.h>
#include <benchmark/benchmark.h>
#include <unwindstack/Elf.h>
#include <unwindstack/Memory.h>
#include "utils/OfflineUnwindUtils.h"
#include "Utils.h"
std::string GetBenchmarkFilesDirectory() {
std::string path = android::base::GetExecutableDirectory() + "/benchmarks/files/";
unwindstack::DecompressFiles(path);
return path;
}
std::string GetElfFile() {
return GetBenchmarkFilesDirectory() + "libart_arm.so";
}
std::string GetSymbolSortedElfFile() {
return GetBenchmarkFilesDirectory() + "boot_arm.oat";
}
std::string GetLargeCompressedFrameElfFile() {
return GetBenchmarkFilesDirectory() + "libpac.so";
}
std::string GetLargeEhFrameElfFile() {
return GetBenchmarkFilesDirectory() + "libLLVM_android.so";
}
#if defined(__BIONIC__)
#include <meminfo/procmeminfo.h>
#include <procinfo/process_map.h>
uint64_t GetRSSBytes() {
uint64_t total_bytes = 0;
android::meminfo::ProcMemInfo proc_mem(getpid());
const std::vector<android::meminfo::Vma>& maps = proc_mem.MapsWithoutUsageStats();
for (auto& vma : maps) {
if (vma.name == "[anon:libc_malloc]" || android::base::StartsWith(vma.name, "[anon:scudo:") ||
android::base::StartsWith(vma.name, "[anon:GWP-ASan")) {
android::meminfo::Vma update_vma(vma);
if (!proc_mem.FillInVmaStats(update_vma)) {
err(1, "FillInVmaStats failed");
}
total_bytes += update_vma.usage.rss;
}
}
return total_bytes;
}
#endif
void MemoryTracker::SetBenchmarkCounters(benchmark::State& state) {
double total_iterations = static_cast<double>(state.iterations());
#if defined(__BIONIC__)
state.counters["AVG_RSS_BYTES"] = total_rss_bytes_ / total_iterations;
state.counters["MAX_RSS_BYTES"] = max_rss_bytes_;
state.counters["MIN_RSS_BYTES"] = min_rss_bytes_;
#endif
state.counters["AVG_ALLOCATED_BYTES"] = total_alloc_bytes_ / total_iterations;
state.counters["MAX_ALLOCATED_BYTES"] = max_alloc_bytes_;
state.counters["MIN_ALLOCATED_BYTES"] = min_alloc_bytes_;
}
void MemoryTracker::StartTrackingAllocations() {
#if defined(__BIONIC__)
mallopt(M_PURGE_ALL, 0);
rss_bytes_before_ = GetRSSBytes();
#endif
alloc_bytes_before_ = mallinfo().uordblks;
}
void MemoryTracker::StopTrackingAllocations() {
#if defined(__BIONIC__)
mallopt(M_PURGE_ALL, 0);
#endif
uint64_t alloc_bytes = 0;
uint64_t alloc_bytes_after = mallinfo().uordblks;
if (alloc_bytes_after > alloc_bytes_before_) {
alloc_bytes = alloc_bytes_after - alloc_bytes_before_;
}
total_alloc_bytes_ += alloc_bytes;
if (alloc_bytes > max_alloc_bytes_) max_alloc_bytes_ = alloc_bytes;
if (alloc_bytes < min_alloc_bytes_) min_alloc_bytes_ = alloc_bytes;
#if defined(__BIONIC__)
uint64_t rss_bytes = 0;
uint64_t rss_bytes_after = GetRSSBytes();
if (rss_bytes_after > rss_bytes_before_) {
rss_bytes = rss_bytes_after - rss_bytes_before_;
}
total_rss_bytes_ += rss_bytes;
if (rss_bytes > max_rss_bytes_) max_rss_bytes_ = rss_bytes;
if (rss_bytes < min_rss_bytes_) min_rss_bytes_ = rss_bytes;
#endif
}
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