Added changes made to the cpu module

include/modules/cpu_frequency.hpp

@@ -17,8 +17,8 @@ namespace waybar::modules {
 class CpuFrequency : public ALabel {
  public:
   CpuFrequency(const std::string&, const Json::Value&);
-  ~CpuFrequency() = default;
-  auto update() -> void;
+  virtual ~CpuFrequency() = default;
+  auto update() -> void override;
 
  private:
   std::tuple<float, float, float> getCpuFrequency();

include/modules/cpu_usage.hpp

@@ -17,8 +17,8 @@ namespace waybar::modules {
 class CpuUsage : public ALabel {
  public:
   CpuUsage(const std::string&, const Json::Value&);
-  ~CpuUsage() = default;
-  auto update() -> void;
+  virtual ~CpuUsage() = default;
+  auto update() -> void override;
 
  private:
   std::tuple<std::vector<uint16_t>, std::string> getCpuUsage();

include/modules/load.hpp

@@ -17,8 +17,8 @@ namespace waybar::modules {
 class Load : public ALabel {
  public:
   Load(const std::string&, const Json::Value&);
-  ~Load() = default;
-  auto update() -> void;
+  virtual ~Load() = default;
+  auto update() -> void override;
 
  private:
   std::tuple<double, double, double> getLoad();

src/modules/load.cpp

@@ -57,5 +57,5 @@ std::tuple<double, double, double> waybar::modules::Load::getLoad() {
     double load15 = std::ceil(load[2] * 100.0) / 100.0;
     return {load1, load5, load15};
   }
-  throw std::runtime_error("Can't get Load");
+  throw std::runtime_error("Can't get system load");
 }