1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* 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.
*/
#include <procinfo/process_map.h>
#include <string.h>
#include <sys/types.h>
#include <string>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <backtrace/BacktraceMap.h>
#include <unwindstack/Maps.h>
#include <benchmark/benchmark.h>
static void BM_ReadMapFile(benchmark::State& state) {
std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
for (auto _ : state) {
std::vector<android::procinfo::MapInfo> maps;
android::procinfo::ReadMapFile(map_file, [&](uint64_t start, uint64_t end, uint16_t flags,
uint64_t pgoff, ino_t inode, const char* name) {
maps.emplace_back(start, end, flags, pgoff, inode, name);
});
CHECK_EQ(maps.size(), 2043u);
}
}
BENCHMARK(BM_ReadMapFile);
static void BM_unwindstack_FileMaps(benchmark::State& state) {
std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
for (auto _ : state) {
unwindstack::FileMaps maps(map_file);
maps.Parse();
CHECK_EQ(maps.Total(), 2043u);
}
}
BENCHMARK(BM_unwindstack_FileMaps);
static void BM_unwindstack_BufferMaps(benchmark::State& state) {
std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
std::string content;
CHECK(android::base::ReadFileToString(map_file, &content));
for (auto _ : state) {
unwindstack::BufferMaps maps(content.c_str());
maps.Parse();
CHECK_EQ(maps.Total(), 2043u);
}
}
BENCHMARK(BM_unwindstack_BufferMaps);
static void BM_backtrace_BacktraceMap(benchmark::State& state) {
pid_t pid = getpid();
for (auto _ : state) {
BacktraceMap* map = BacktraceMap::Create(pid, true);
CHECK(map != nullptr);
delete map;
}
}
BENCHMARK(BM_backtrace_BacktraceMap);
BENCHMARK_MAIN();
|
