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SystemMonitor: Show total CPU usage percentage in status bar

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This commit is contained in:
Andreas Kling 2021-04-04 22:18:59 +02:00
parent 9cba533e36
commit 8f0f6af369
Notes: sideshowbarker 2024-07-18 20:47:04 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/8f0f6af369e
1 changed files with 11 additions and 4 deletions
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15
Userland/Applications/SystemMonitor/main.cpp
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@ -74,6 +74,8 @@ static NonnullRefPtr<GUI::Widget> build_devices_tab();
static NonnullRefPtr<GUI::Widget> build_graphs_tab();
static NonnullRefPtr<GUI::Widget> build_processors_tab();
static RefPtr<GUI::StatusBar> statusbar;
class UnavailableProcessWidget final : public GUI::Frame {
C_OBJECT(UnavailableProcessWidget)
public:
@ -188,12 +190,12 @@ int main(int argc, char** argv)
tabwidget_container.layout()->set_margins({ 4, 0, 4, 4 });
auto& tabwidget = tabwidget_container.add<GUI::TabWidget>();
auto& statusbar = main_widget.add<GUI::StatusBar>(2);
statusbar = main_widget.add<GUI::StatusBar>(3);
auto process_model = ProcessModel::create();
process_model->on_state_update = [&](int process_count, int thread_count) {
statusbar.set_text(0, String::formatted("Processes: {}", process_count));
statusbar.set_text(1, String::formatted("Threads: {}", thread_count));
statusbar->set_text(0, String::formatted("Processes: {}", process_count));
statusbar->set_text(1, String::formatted("Threads: {}", thread_count));
};
auto process_container_splitter = GUI::VerticalSplitter::construct();
@ -634,8 +636,13 @@ NonnullRefPtr<GUI::Widget> build_graphs_tab()
cpu_graphs.append(&cpu_graph);
}
ProcessModel::the().on_cpu_info_change = [cpu_graphs](const NonnullOwnPtrVector<ProcessModel::CpuInfo>& cpus) {
for (size_t i = 0; i < cpus.size(); i++)
float sum_cpu = 0;
for (size_t i = 0; i < cpus.size(); ++i) {
cpu_graphs[i]->add_value({ (int)cpus[i].total_cpu_percent, (int)cpus[i].total_cpu_percent_kernel });
sum_cpu += cpus[i].total_cpu_percent;
}
float cpu_usage = sum_cpu / (float)cpus.size();
statusbar->set_text(2, String::formatted("CPU usage: {}%", (int)roundf(cpu_usage)));
};
auto& memory_graph_group_box = graphs_container->add<GUI::GroupBox>("Memory usage");