86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
#include "modules/cpu.hpp"
|
|
|
|
waybar::modules::Cpu::Cpu(const std::string& id, const Json::Value& config)
|
|
: ALabel(config, "cpu", id, "{usage}%", 10) {
|
|
thread_ = [this] {
|
|
dp.emit();
|
|
thread_.sleep_for(interval_);
|
|
};
|
|
}
|
|
|
|
auto waybar::modules::Cpu::update() -> void {
|
|
// TODO: as creating dynamic fmt::arg arrays is buggy we have to calc both
|
|
auto cpu_load = getCpuLoad();
|
|
auto [cpu_usage, tooltip] = getCpuUsage();
|
|
auto [max_frequency, min_frequency, avg_frequency] = getCpuFrequency();
|
|
if (tooltipEnabled()) {
|
|
label_.set_tooltip_text(tooltip);
|
|
}
|
|
auto format = format_;
|
|
auto state = getState(cpu_usage);
|
|
if (!state.empty() && config_["format-" + state].isString()) {
|
|
format = config_["format-" + state].asString();
|
|
}
|
|
|
|
if (format.empty()) {
|
|
event_box_.hide();
|
|
} else {
|
|
event_box_.show();
|
|
label_.set_markup(fmt::format(format,
|
|
fmt::arg("load", cpu_load),
|
|
fmt::arg("usage", cpu_usage),
|
|
fmt::arg("max_frequency", max_frequency),
|
|
fmt::arg("min_frequency", min_frequency),
|
|
fmt::arg("avg_frequency", avg_frequency)));
|
|
}
|
|
|
|
// Call parent update
|
|
ALabel::update();
|
|
}
|
|
|
|
double waybar::modules::Cpu::getCpuLoad() {
|
|
double load[1];
|
|
if (getloadavg(load, 1) != -1) {
|
|
return load[0];
|
|
}
|
|
throw std::runtime_error("Can't get Cpu load");
|
|
}
|
|
|
|
std::tuple<uint16_t, std::string> waybar::modules::Cpu::getCpuUsage() {
|
|
if (prev_times_.empty()) {
|
|
prev_times_ = parseCpuinfo();
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
|
}
|
|
std::vector<std::tuple<size_t, size_t>> curr_times = parseCpuinfo();
|
|
std::string tooltip;
|
|
uint16_t usage = 0;
|
|
for (size_t i = 0; i < curr_times.size(); ++i) {
|
|
auto [curr_idle, curr_total] = curr_times[i];
|
|
auto [prev_idle, prev_total] = prev_times_[i];
|
|
const float delta_idle = curr_idle - prev_idle;
|
|
const float delta_total = curr_total - prev_total;
|
|
uint16_t tmp = 100 * (1 - delta_idle / delta_total);
|
|
if (i == 0) {
|
|
usage = tmp;
|
|
tooltip = fmt::format("Total: {}%", tmp);
|
|
} else {
|
|
tooltip = tooltip + fmt::format("\nCore{}: {}%", i - 1, tmp);
|
|
}
|
|
}
|
|
prev_times_ = curr_times;
|
|
return {usage, tooltip};
|
|
}
|
|
|
|
std::tuple<float, float, float> waybar::modules::Cpu::getCpuFrequency() {
|
|
std::vector<float> frequencies = parseCpuFrequencies();
|
|
auto [min, max] = std::minmax_element(std::begin(frequencies), std::end(frequencies));
|
|
float avg_frequency = std::accumulate(std::begin(frequencies), std::end(frequencies), 0.0) / frequencies.size();
|
|
|
|
// Round frequencies with double decimal precision to get GHz
|
|
float max_frequency = std::ceil(*max / 10.0) / 100.0;
|
|
float min_frequency = std::ceil(*min / 10.0) / 100.0;
|
|
avg_frequency = std::ceil(avg_frequency / 10.0) / 100.0;
|
|
|
|
return { max_frequency, min_frequency, avg_frequency };
|
|
}
|