3ee2b9db5a
Log the maximum temperature as well as the start/end temperature of an update to last_install. Check the temperature at the end of each block_image_update(verify). To get the maximum temp, we iterate through /sys/class/thermal/thermal_zone*/temp and find the maximum value present. Bug: 32518487 Test: temperature logs in last_install Change-Id: Iaf22a9fbc5b18611bbc5320ffea995417872e514
80 lines
No EOL
2.3 KiB
C++
80 lines
No EOL
2.3 KiB
C++
/*
|
|
* 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 "ThermalUtil.h"
|
|
|
|
#include <dirent.h>
|
|
#include <stdio.h>
|
|
|
|
#include <algorithm>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <android-base/file.h>
|
|
#include <android-base/logging.h>
|
|
#include <android-base/parseint.h>
|
|
#include <android-base/strings.h>
|
|
|
|
static constexpr auto THERMAL_PREFIX = "/sys/class/thermal/";
|
|
|
|
static int thermal_filter(const dirent* de) {
|
|
if (android::base::StartsWith(de->d_name, "thermal_zone")) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static std::vector<std::string> InitThermalPaths() {
|
|
dirent** namelist;
|
|
int n = scandir(THERMAL_PREFIX, &namelist, thermal_filter, alphasort);
|
|
if (n == -1) {
|
|
PLOG(ERROR) << "Failed to scandir " << THERMAL_PREFIX;
|
|
return {};
|
|
}
|
|
if (n == 0) {
|
|
LOG(ERROR) << "Failed to find CPU thermal info in " << THERMAL_PREFIX;
|
|
return {};
|
|
}
|
|
|
|
std::vector<std::string> thermal_paths;
|
|
while (n--) {
|
|
thermal_paths.push_back(THERMAL_PREFIX + std::string(namelist[n]->d_name) + "/temp");
|
|
free(namelist[n]);
|
|
}
|
|
free(namelist);
|
|
return thermal_paths;
|
|
}
|
|
|
|
int GetMaxValueFromThermalZone() {
|
|
static std::vector<std::string> thermal_paths = InitThermalPaths();
|
|
int max_temperature = -1;
|
|
for (const auto& path : thermal_paths) {
|
|
std::string content;
|
|
if (!android::base::ReadFileToString(path, &content)) {
|
|
PLOG(WARNING) << "Failed to read " << path;
|
|
continue;
|
|
}
|
|
|
|
int temperature;
|
|
if (!android::base::ParseInt(android::base::Trim(content), &temperature)) {
|
|
LOG(WARNING) << "Failed to parse integer in " << content;
|
|
continue;
|
|
}
|
|
max_temperature = std::max(temperature, max_temperature);
|
|
}
|
|
LOG(INFO) << "current maximum temperature: " << max_temperature;
|
|
return max_temperature;
|
|
} |