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memory_graph_page_view.h
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memory_graph_page_view.h
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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_HUD_DISPLAY_MEMORY_GRAPH_PAGE_VIEW_H_
#define ASH_HUD_DISPLAY_MEMORY_GRAPH_PAGE_VIEW_H_
#include "ash/hud_display/graph.h"
#include "ash/hud_display/graph_page_view_base.h"
namespace ash {
namespace hud_display {
class Grid;
// MemoryGraphPageView class draws memory graphs.
class MemoryGraphPageView : public GraphPageViewBase {
public:
METADATA_HEADER(MemoryGraphPageView);
explicit MemoryGraphPageView(const base::TimeDelta refresh_interval);
MemoryGraphPageView(const MemoryGraphPageView&) = delete;
MemoryGraphPageView& operator=(const MemoryGraphPageView&) = delete;
~MemoryGraphPageView() override;
// view::
void OnPaint(gfx::Canvas* canvas) override;
// Update page data from the new snapshot.
void UpdateData(const DataSource::Snapshot& snapshot) override;
private:
// This is used to re-layout grid when total ram size is known.
double total_ram_ = 0;
// --- Stacked:
// Share of the total RAM occupied by Chrome browser private RSS.
Graph graph_chrome_rss_private_;
// Share of the total RAM reported as Free memory be kernel.
Graph graph_mem_free_;
// Total RAM - other graphs in this stack.
Graph graph_mem_used_unknown_;
// Share of the total RAM occupied by Chrome type=renderer processes private
// RSS.
Graph graph_renderers_rss_private_;
// Share of the total RAM occupied by ARC++ processes private RSS.
Graph graph_arc_rss_private_;
// Share of the total RAM occupied by Chrome type=gpu process private RSS.
Graph graph_gpu_rss_private_;
// Share of the total RAM used by kernel GPU driver.
Graph graph_gpu_kernel_;
// Not stacked:
// Share of the total RAM occupied by Chrome browser process shared RSS.
Graph graph_chrome_rss_shared_;
Grid* grid_ = nullptr; // not owned.
};
} // namespace hud_display
} // namespace ash
#endif // ASH_HUD_DISPLAY_MEMORY_GRAPH_PAGE_VIEW_H_