// 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_