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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Copyright (C) 2017 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 <stdio.h>
#include <android-base/file.h>
#include <benchmark/benchmark.h>
#include <log/logcat.h>
// Dump the statistics and report results
static void logcat_popen_libc(benchmark::State& state, const char* cmd) {
while (state.KeepRunning()) {
FILE* fp = popen(cmd, "r");
std::string ret;
android::base::ReadFdToString(fileno(fp), &ret);
pclose(fp);
}
}
static void BM_logcat_stat_popen_libc(benchmark::State& state) {
logcat_popen_libc(state, "logcat -b all -S");
}
BENCHMARK(BM_logcat_stat_popen_libc);
static void logcat_popen_liblogcat(benchmark::State& state, const char* cmd) {
while (state.KeepRunning()) {
android_logcat_context ctx;
FILE* fp = android_logcat_popen(&ctx, cmd);
std::string ret;
android::base::ReadFdToString(fileno(fp), &ret);
android_logcat_pclose(&ctx, fp);
}
}
static void BM_logcat_stat_popen_liblogcat(benchmark::State& state) {
logcat_popen_liblogcat(state, "logcat -b all -S");
}
BENCHMARK(BM_logcat_stat_popen_liblogcat);
static void logcat_system_libc(benchmark::State& state, const char* cmd) {
while (state.KeepRunning()) {
system(cmd);
}
}
static void BM_logcat_stat_system_libc(benchmark::State& state) {
logcat_system_libc(state, "logcat -b all -S >/dev/null 2>/dev/null");
}
BENCHMARK(BM_logcat_stat_system_libc);
static void logcat_system_liblogcat(benchmark::State& state, const char* cmd) {
while (state.KeepRunning()) {
android_logcat_system(cmd);
}
}
static void BM_logcat_stat_system_liblogcat(benchmark::State& state) {
logcat_system_liblogcat(state, "logcat -b all -S >/dev/null 2>/dev/null");
}
BENCHMARK(BM_logcat_stat_system_liblogcat);
// Dump the logs and report results
static void BM_logcat_dump_popen_libc(benchmark::State& state) {
logcat_popen_libc(state, "logcat -b all -d");
}
BENCHMARK(BM_logcat_dump_popen_libc);
static void BM_logcat_dump_popen_liblogcat(benchmark::State& state) {
logcat_popen_liblogcat(state, "logcat -b all -d");
}
BENCHMARK(BM_logcat_dump_popen_liblogcat);
static void BM_logcat_dump_system_libc(benchmark::State& state) {
logcat_system_libc(state, "logcat -b all -d >/dev/null 2>/dev/null");
}
BENCHMARK(BM_logcat_dump_system_libc);
static void BM_logcat_dump_system_liblogcat(benchmark::State& state) {
logcat_system_liblogcat(state, "logcat -b all -d >/dev/null 2>/dev/null");
}
BENCHMARK(BM_logcat_dump_system_liblogcat);
|
