1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <err.h>
18 #include <stdint.h>
19 
20 #include <string>
21 #include <vector>
22 
23 #include <android-base/file.h>
24 #include <android-base/strings.h>
25 #include <benchmark/benchmark.h>
26 
27 #include <unwindstack/Elf.h>
28 #include <unwindstack/Memory.h>
29 
GetElfFile()30 std::string GetElfFile() {
31   return android::base::GetExecutableDirectory() + "/benchmarks/files/libart_arm.so";
32 }
33 
GetSymbolSortedElfFile()34 std::string GetSymbolSortedElfFile() {
35   return android::base::GetExecutableDirectory() + "/benchmarks/files/boot_arm.oat";
36 }
37 
GetCompressedElfFile()38 std::string GetCompressedElfFile() {
39   // Both are the same right now.
40   return GetSymbolSortedElfFile();
41 }
42 
43 #if defined(__BIONIC__)
44 
45 #include <meminfo/procmeminfo.h>
46 #include <procinfo/process_map.h>
47 
GatherRss(uint64_t * rss_bytes)48 void GatherRss(uint64_t* rss_bytes) {
49   android::meminfo::ProcMemInfo proc_mem(getpid());
50   const std::vector<android::meminfo::Vma>& maps = proc_mem.MapsWithoutUsageStats();
51   for (auto& vma : maps) {
52     if (vma.name == "[anon:libc_malloc]" || android::base::StartsWith(vma.name, "[anon:scudo:") ||
53         android::base::StartsWith(vma.name, "[anon:GWP-ASan")) {
54       android::meminfo::Vma update_vma(vma);
55       if (!proc_mem.FillInVmaStats(update_vma)) {
56         err(1, "FillInVmaStats failed\n");
57       }
58       *rss_bytes += update_vma.usage.rss;
59     }
60   }
61 }
62 #endif
63