76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
#include <filesystem>
|
|
|
|
#include "modules/cpu.hpp"
|
|
|
|
std::vector<std::tuple<size_t, size_t>> waybar::modules::Cpu::parseCpuinfo() {
|
|
const std::string data_dir_ = "/proc/stat";
|
|
std::ifstream info(data_dir_);
|
|
if (!info.is_open()) {
|
|
throw std::runtime_error("Can't open " + data_dir_);
|
|
}
|
|
std::vector<std::tuple<size_t, size_t>> cpuinfo;
|
|
std::string line;
|
|
while (getline(info, line)) {
|
|
if (line.substr(0, 3).compare("cpu") != 0) {
|
|
break;
|
|
}
|
|
std::stringstream sline(line.substr(5));
|
|
std::vector<size_t> times;
|
|
for (size_t time = 0; sline >> time; times.push_back(time))
|
|
;
|
|
|
|
size_t idle_time = 0;
|
|
size_t total_time = 0;
|
|
if (times.size() >= 4) {
|
|
idle_time = times[3];
|
|
total_time = std::accumulate(times.begin(), times.end(), 0);
|
|
}
|
|
cpuinfo.emplace_back(idle_time, total_time);
|
|
}
|
|
return cpuinfo;
|
|
}
|
|
|
|
std::vector<float> waybar::modules::Cpu::parseCpuFrequencies() {
|
|
const std::string file_path_ = "/proc/cpuinfo";
|
|
std::ifstream info(file_path_);
|
|
if (!info.is_open()) {
|
|
throw std::runtime_error("Can't open " + file_path_);
|
|
}
|
|
std::vector<float> frequencies;
|
|
std::string line;
|
|
while (getline(info, line)) {
|
|
if (line.substr(0, 7).compare("cpu MHz") != 0) {
|
|
continue;
|
|
}
|
|
|
|
std::string frequency_str = line.substr(line.find(":") + 2);
|
|
float frequency = std::strtol(frequency_str.c_str(), nullptr, 10);
|
|
frequencies.push_back(frequency);
|
|
}
|
|
info.close();
|
|
|
|
if (frequencies.size() <= 0) {
|
|
std::string cpufreq_dir = "/sys/devices/system/cpu/cpufreq";
|
|
if (std::filesystem::exists(cpufreq_dir)) {
|
|
std::vector<std::string> frequency_files = {"/cpuinfo_min_freq", "/cpuinfo_max_freq"};
|
|
for (auto& p : std::filesystem::directory_iterator(cpufreq_dir)) {
|
|
for (auto freq_file : frequency_files) {
|
|
std::string freq_file_path = p.path().string() + freq_file;
|
|
if (std::filesystem::exists(freq_file_path)) {
|
|
std::string freq_value;
|
|
std::ifstream freq(freq_file_path);
|
|
if (freq.is_open()) {
|
|
getline(freq, freq_value);
|
|
float frequency = std::strtol(freq_value.c_str(), nullptr, 10);
|
|
frequencies.push_back(frequency / 1000);
|
|
freq.close();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return frequencies;
|
|
}
|