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SystemMonitor: Start capturing CPU/memory graphs on startup

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It felt really weird that the graphs didn't start filling in before
you opened the graph tab for the first time.
This commit is contained in:
Andreas Kling 2021-04-04 20:49:37 +02:00
parent 0f7443f010
commit 5fcce5c7e2
1 changed files with 57 additions and 59 deletions
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116
Userland/Applications/SystemMonitor/main.cpp
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@ -577,68 +577,66 @@ NonnullRefPtr<GUI::Widget> build_devices_tab()
NonnullRefPtr<GUI::Widget> build_graphs_tab()
{
auto graphs_container = GUI::LazyWidget::construct();
auto graphs_container = GUI::Widget::construct();
graphs_container->on_first_show = [](GUI::LazyWidget& self) {
self.set_fill_with_background_color(true);
self.set_background_role(ColorRole::Button);
self.set_layout<GUI::VerticalBoxLayout>();
self.layout()->set_margins({ 4, 4, 4, 4 });
graphs_container->set_fill_with_background_color(true);
graphs_container->set_background_role(ColorRole::Button);
graphs_container->set_layout<GUI::VerticalBoxLayout>();
graphs_container->layout()->set_margins({ 4, 4, 4, 4 });
auto& cpu_graph_group_box = self.add<GUI::GroupBox>("CPU usage");
cpu_graph_group_box.set_layout<GUI::HorizontalBoxLayout>();
cpu_graph_group_box.layout()->set_margins({ 6, 16, 6, 6 });
cpu_graph_group_box.set_fixed_height(120);
Vector<GraphWidget*> cpu_graphs;
for (size_t i = 0; i < ProcessModel::the().cpus().size(); i++) {
auto& cpu_graph = cpu_graph_group_box.add<GraphWidget>();
cpu_graph.set_max(100);
cpu_graph.set_value_format(0, {
.graph_color_role = ColorRole::SyntaxPreprocessorStatement,
.text_formatter = [](int value) {
return String::formatted("Total: {}%", value);
},
});
cpu_graph.set_value_format(1, {
.graph_color_role = ColorRole::SyntaxPreprocessorValue,
.text_formatter = [](int value) {
return String::formatted("Kernel: {}%", value);
},
});
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++)
cpu_graphs[i]->add_value({ (int)cpus[i].total_cpu_percent, (int)cpus[i].total_cpu_percent_kernel });
};
auto& memory_graph_group_box = self.add<GUI::GroupBox>("Memory usage");
memory_graph_group_box.set_layout<GUI::VerticalBoxLayout>();
memory_graph_group_box.layout()->set_margins({ 6, 16, 6, 6 });
memory_graph_group_box.set_fixed_height(120);
auto& memory_graph = memory_graph_group_box.add<GraphWidget>();
memory_graph.set_stack_values(true);
memory_graph.set_value_format(0, {
.graph_color_role = ColorRole::SyntaxComment,
.text_formatter = [&memory_graph](int value) {
return String::formatted("Committed: {} KiB", value);
},
});
memory_graph.set_value_format(1, {
.graph_color_role = ColorRole::SyntaxPreprocessorStatement,
.text_formatter = [&memory_graph](int value) {
return String::formatted("Allocated: {} KiB", value);
},
});
memory_graph.set_value_format(2, {
.graph_color_role = ColorRole::SyntaxPreprocessorValue,
.text_formatter = [&memory_graph](int value) {
return String::formatted("Kernel heap: {} KiB", value);
},
});
self.add<MemoryStatsWidget>(memory_graph);
auto& cpu_graph_group_box = graphs_container->add<GUI::GroupBox>("CPU usage");
cpu_graph_group_box.set_layout<GUI::HorizontalBoxLayout>();
cpu_graph_group_box.layout()->set_margins({ 6, 16, 6, 6 });
cpu_graph_group_box.set_fixed_height(120);
Vector<GraphWidget*> cpu_graphs;
for (size_t i = 0; i < ProcessModel::the().cpus().size(); i++) {
auto& cpu_graph = cpu_graph_group_box.add<GraphWidget>();
cpu_graph.set_max(100);
cpu_graph.set_value_format(0, {
.graph_color_role = ColorRole::SyntaxPreprocessorStatement,
.text_formatter = [](int value) {
return String::formatted("Total: {}%", value);
},
});
cpu_graph.set_value_format(1, {
.graph_color_role = ColorRole::SyntaxPreprocessorValue,
.text_formatter = [](int value) {
return String::formatted("Kernel: {}%", value);
},
});
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++)
cpu_graphs[i]->add_value({ (int)cpus[i].total_cpu_percent, (int)cpus[i].total_cpu_percent_kernel });
};
auto& memory_graph_group_box = graphs_container->add<GUI::GroupBox>("Memory usage");
memory_graph_group_box.set_layout<GUI::VerticalBoxLayout>();
memory_graph_group_box.layout()->set_margins({ 6, 16, 6, 6 });
memory_graph_group_box.set_fixed_height(120);
auto& memory_graph = memory_graph_group_box.add<GraphWidget>();
memory_graph.set_stack_values(true);
memory_graph.set_value_format(0, {
.graph_color_role = ColorRole::SyntaxComment,
.text_formatter = [&memory_graph](int value) {
return String::formatted("Committed: {} KiB", value);
},
});
memory_graph.set_value_format(1, {
.graph_color_role = ColorRole::SyntaxPreprocessorStatement,
.text_formatter = [&memory_graph](int value) {
return String::formatted("Allocated: {} KiB", value);
},
});
memory_graph.set_value_format(2, {
.graph_color_role = ColorRole::SyntaxPreprocessorValue,
.text_formatter = [&memory_graph](int value) {
return String::formatted("Kernel heap: {} KiB", value);
},
});
graphs_container->add<MemoryStatsWidget>(memory_graph);
return graphs_container;
}