waybar/include/modules/cpu.hpp

#pragma once

#include <fmt/format.h>
#include <sys/sysinfo.h>
#include <fstream>
#include <vector>
#include <numeric>
#include <iostream>
#include "util/chrono.hpp"
#include "ALabel.hpp"

namespace waybar::modules {

class Cpu : public ALabel {
  public:
    Cpu(const std::string&, const Json::Value&);
    auto update() -> void;
  private:
    static inline const std::string data_dir_ = "/proc/stat";
    uint16_t getCpuLoad();
    std::tuple<uint16_t, std::string> getCpuUsage();
    std::vector<std::tuple<size_t, size_t>> parseCpuinfo();

    std::vector<std::tuple<size_t, size_t>> prev_times_;
    waybar::util::SleeperThread thread_;
};

}