48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
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#include <filesystem>
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#include "modules/cpu_frequency.hpp"
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std::vector<float> waybar::modules::CpuFrequency::parseCpuFrequencies() {
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const std::string file_path_ = "/proc/cpuinfo";
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std::ifstream info(file_path_);
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if (!info.is_open()) {
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throw std::runtime_error("Can't open " + file_path_);
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}
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std::vector<float> frequencies;
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std::string line;
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while (getline(info, line)) {
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if (line.substr(0, 7).compare("cpu MHz") != 0) {
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continue;
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}
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std::string frequency_str = line.substr(line.find(":") + 2);
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float frequency = std::strtol(frequency_str.c_str(), nullptr, 10);
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frequencies.push_back(frequency);
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}
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info.close();
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if (frequencies.size() <= 0) {
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std::string cpufreq_dir = "/sys/devices/system/cpu/cpufreq";
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if (std::filesystem::exists(cpufreq_dir)) {
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std::vector<std::string> frequency_files = {"/cpuinfo_min_freq", "/cpuinfo_max_freq"};
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for (auto& p : std::filesystem::directory_iterator(cpufreq_dir)) {
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for (auto freq_file : frequency_files) {
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std::string freq_file_path = p.path().string() + freq_file;
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if (std::filesystem::exists(freq_file_path)) {
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std::string freq_value;
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std::ifstream freq(freq_file_path);
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if (freq.is_open()) {
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getline(freq, freq_value);
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float frequency = std::strtol(freq_value.c_str(), nullptr, 10);
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frequencies.push_back(frequency / 1000);
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freq.close();
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}
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}
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}
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}
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}
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}
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return frequencies;
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}
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