Waybar/src/modules/cpu.cpp

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#include "modules/cpu.hpp"
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waybar::modules::Cpu::Cpu(Json::Value config)
: ALabel(std::move(config))
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{
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label_.set_name("cpu");
uint32_t interval = config_["interval"] ? config_["inveral"].asUInt() : 10;
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thread_.sig_update.connect(sigc::mem_fun(*this, &Cpu::update));
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thread_ = [this, interval] {
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thread_.emit();
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thread_.sleep_for(chrono::seconds(interval));
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};
}
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auto waybar::modules::Cpu::update() -> void
{
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struct sysinfo info = {0};
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if (sysinfo(&info) == 0) {
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float f_load = 1.f / (1u << SI_LOAD_SHIFT);
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uint16_t load = info.loads[0] * f_load * 100 / get_nprocs();
auto format = config_["format"] ? config_["format"].asString() : "{}%";
label_.set_text(fmt::format(format, load));
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}
}