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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 ReferenceLines;
- // 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 reference lines 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_;
- ReferenceLines* reference_lines_ = nullptr; // not owned.
- };
- } // namespace hud_display
- } // namespace ash
- #endif // ASH_HUD_DISPLAY_MEMORY_GRAPH_PAGE_VIEW_H_
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