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/*
* Copyright 2022 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 <dump/pixel_dump.h>
#include <android-base/file.h>
#include <string.h>
#include <stdio.h>
#include <log/log.h>
#include <regex>
std::string readFile(const std::string& file_path) {
std::string content;
if(android::base::ReadFileToString(file_path.c_str(), &content)) {
return std::regex_replace(content, std::regex("\\r\\n|\\r|\\n"),"");
}
return content;
}
// Dump chip ID.
int main() {
dumpFileContent("AP HW TUNE", "/sys/devices/system/chip-id/ap_hw_tune_str");
dumpFileContent("EVT VERSION", "/sys/devices/system/chip-id/evt_ver");
dumpFileContent("LOT ID", "/sys/devices/system/chip-id/lot_id");
dumpFileContent("PRODUCT ID", "/sys/devices/system/chip-id/product_id");
dumpFileContent("REVISION", "/sys/devices/system/chip-id/revision");
dumpFileContent("RAW STR", "/sys/devices/system/chip-id/raw_str");
dumpFileContent("CPU present", "/sys/devices/system/cpu/present");
dumpFileContent("CPU online", "/sys/devices/system/cpu/online");
printf("------ CPU time-in-state ------\n");
std::string states;
std::unique_ptr<DIR, decltype(&closedir)> cpudir(opendir("/sys/devices/system/cpu/"), closedir);
if (!cpudir) {
ALOGE("Fail To Open Dir /sys/devices/system/cpu/");
return 0;
}
dirent *entry;
while ((entry = readdir(cpudir.get())) != nullptr) {
std::string core(entry->d_name);
if (core.find("cpu") != std::string::npos) {
std::string path("/sys/devices/system/cpu/" + core + "/cpufreq/stats/time_in_state");
if(!access(path.c_str(), R_OK)){
dumpFileContent(path.c_str(), path.c_str());
}
}
std::string cpu_idle_path("/sys/devices/system/cpu/" + core + "/cpuidle");
std::unique_ptr<DIR, decltype(&closedir)> statedir(opendir(cpu_idle_path.c_str()), closedir);
if (!statedir) {
continue;
}
dirent *state_entry;
while ((state_entry = readdir(statedir.get())) != nullptr) {
std::string cpu_idle_state_path(state_entry->d_name);
std::string full_state_path;
full_state_path += cpu_idle_path;
full_state_path += "/";
full_state_path += cpu_idle_state_path;
if (cpu_idle_state_path.find("state") != std::string::npos) {
std::string name(full_state_path + "/name");
std::string desc(full_state_path + "/desc");
std::string time(full_state_path + "/time");
std::string usage(full_state_path + "/usage");
states += full_state_path+": "+readFile(name)+" "+readFile(desc)+" "+readFile(time)+" "+readFile(usage)+"\n";
}
}
}
printf("------ CPU cpuidle ------\n%s\n", states.c_str());
dumpFileContent("INTERRUPTS", "/proc/interrupts");
return 0;
}
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