1 /*
2  * Copyright (C) 2018 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 <procinfo/process_map.h>
18 
19 #include <string.h>
20 #include <sys/types.h>
21 
22 #include <string>
23 
24 #include <android-base/file.h>
25 #include <android-base/logging.h>
26 #include <unwindstack/Maps.h>
27 
28 #include <benchmark/benchmark.h>
29 
BM_ReadMapFile(benchmark::State & state)30 static void BM_ReadMapFile(benchmark::State& state) {
31   std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
32   for (auto _ : state) {
33     std::vector<android::procinfo::MapInfo> maps;
34     android::procinfo::ReadMapFile(
35         map_file, [&](const android::procinfo::MapInfo& mapinfo) { maps.emplace_back(mapinfo); });
36     CHECK_EQ(maps.size(), 2043u);
37   }
38 }
39 BENCHMARK(BM_ReadMapFile);
40 
BM_unwindstack_FileMaps(benchmark::State & state)41 static void BM_unwindstack_FileMaps(benchmark::State& state) {
42   std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
43   for (auto _ : state) {
44     unwindstack::FileMaps maps(map_file);
45     maps.Parse();
46     CHECK_EQ(maps.Total(), 2043u);
47   }
48 }
49 BENCHMARK(BM_unwindstack_FileMaps);
50 
BM_unwindstack_BufferMaps(benchmark::State & state)51 static void BM_unwindstack_BufferMaps(benchmark::State& state) {
52   std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
53   std::string content;
54   CHECK(android::base::ReadFileToString(map_file, &content));
55   for (auto _ : state) {
56     unwindstack::BufferMaps maps(content.c_str());
57     maps.Parse();
58     CHECK_EQ(maps.Total(), 2043u);
59   }
60 }
61 BENCHMARK(BM_unwindstack_BufferMaps);
62 
63 BENCHMARK_MAIN();
64