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SystemMonitor: Register MemoryStatsWidget
This also requires that the associated graph widget may be null.
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3 changed files with 31 additions and 8 deletions
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@ -17,6 +17,10 @@
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#include <LibGfx/StylePainter.h>
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#include <stdlib.h>
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REGISTER_WIDGET(SystemMonitor, MemoryStatsWidget)
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namespace SystemMonitor {
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static MemoryStatsWidget* s_the;
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MemoryStatsWidget* MemoryStatsWidget::the()
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@ -24,7 +28,12 @@ MemoryStatsWidget* MemoryStatsWidget::the()
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return s_the;
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}
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MemoryStatsWidget::MemoryStatsWidget(SystemMonitor::GraphWidget& graph)
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MemoryStatsWidget::MemoryStatsWidget()
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: MemoryStatsWidget(nullptr)
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{
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}
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MemoryStatsWidget::MemoryStatsWidget(GraphWidget* graph)
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: m_graph(graph)
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{
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VERIFY(!s_the);
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@ -59,6 +68,11 @@ MemoryStatsWidget::MemoryStatsWidget(SystemMonitor::GraphWidget& graph)
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refresh();
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}
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void MemoryStatsWidget::set_graph_widget(GraphWidget& graph)
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{
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m_graph = &graph;
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}
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static inline u64 page_count_to_bytes(size_t count)
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{
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return count * 4096;
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@ -101,6 +115,10 @@ void MemoryStatsWidget::refresh()
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m_kfree_count_label->set_text(String::formatted("{}", kfree_call_count));
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m_kmalloc_difference_label->set_text(String::formatted("{:+}", kmalloc_call_count - kfree_call_count));
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m_graph.set_max(page_count_to_bytes(total_userphysical_and_swappable_pages) + kmalloc_bytes_total);
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m_graph.add_value({ page_count_to_bytes(user_physical_committed), page_count_to_bytes(user_physical_allocated), kmalloc_bytes_total });
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if (m_graph) {
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m_graph->set_max(page_count_to_bytes(total_userphysical_and_swappable_pages) + kmalloc_bytes_total);
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m_graph->add_value({ page_count_to_bytes(user_physical_committed), page_count_to_bytes(user_physical_allocated), kmalloc_bytes_total });
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}
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}
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}
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