From 5512e0d58be59f39bbaed0fbe1b558729b3da231 Mon Sep 17 00:00:00 2001
From: Costa Shulyupin <costa@MakeLinux.net>
Date: Mon, 18 Nov 2019 07:21:35 +0200
Subject: [PATCH] +Linux_kernel_diagram.dot

---
 Linux_kernel_diagram.dot | 737 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 737 insertions(+)
 create mode 100644 Linux_kernel_diagram.dot

diff --git a/Linux_kernel_diagram.dot b/Linux_kernel_diagram.dot
new file mode 100644
index 0000000..c9521a7
--- /dev/null
+++ b/Linux_kernel_diagram.dot
@@ -0,0 +1,737 @@
+digraph matrix {
+	graph [newrank=true,
+		nodesep=0.1,
+		overlap=true,
+		ranksep=0.1,
+		splines=false
+	];
+	node [height=0.3,
+		width=1.1
+	];
+	edge [arrowhead=none,
+		arrowsize=0.5,
+		style=invis,
+		weight=1
+	];
+	{
+		node [fixedsize=true,
+			style=invis,
+			width=0.5
+		];
+		usr_	[fixedsize=true,
+			style=invis,
+			width=0.5];
+		functions_	[fixedsize=true,
+			style=invis,
+			width=0.5];
+		D0	[fixedsize=true,
+			style=invis,
+			width=0.5];
+		E0	[fixedsize=true,
+			style=invis,
+			width=0.5];
+		F0	[fixedsize=true,
+			style=invis,
+			width=0.5];
+		G0	[fixedsize=true,
+			style=invis,
+			width=0.5];
+		H0	[fixedsize=true,
+			style=invis,
+			width=0.5];
+	}
+	{
+		edge [style="filled,setlinewidth(3)",
+			weight=10
+		];
+		{
+			node [color="#e27dd6ff",
+				height=0.5
+			];
+			system	[color="#e27dd6ff",
+				fillcolor=white,
+				fixedsize=true,
+				height=0.5,
+				row=func,
+				shape=box,
+				style="filled,setlinewidth(3)",
+				tooltip=TODO,
+				width=1];
+			SCI	[color="#e27dd6ff",
+				fillcolor="#d9e7ee",
+				fixedsize=true,
+				height=0.5,
+				label="System calls",
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(3)"];
+			system -> SCI	[arrowhead="",
+				color="#e27dd6ff",
+				row=func,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			sysfs	[color="#e27dd6ff",
+				fillcolor="#b2d3e4",
+				height=0.5,
+				label="proc, sysfs,\nfile systems",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			SCI -> sysfs	[color="#e27dd6ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			DM	[color="#e27dd6ff",
+				fillcolor="#91b5c9",
+				fixedsize=true,
+				fontsize=10,
+				height=0.4,
+				label="Device\nModel",
+				shape=octagon,
+				style="filled,setlinewidth(3)",
+				width=1];
+			sysfs -> DM	[color="#e27dd6ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			log_sys	[color="#e27dd6ff",
+				fillcolor="#6a9ab1",
+				fontsize=10,
+				height=0.5,
+				label="system run,\nmodules,\ngeneric\nHW access ",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			DM -> log_sys	[color="#e27dd6ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			bus_drv	[color="#e27dd6ff",
+				fillcolor="#71809b",
+				height=0.5,
+				label="bus drivers",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			log_sys -> bus_drv	[color="#e27dd6ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			H2	[color="#e27dd6ff",
+				fillcolor="#777777",
+				fontcolor=white,
+				fontsize=10,
+				height=0.5,
+				label="busess:\nPCI, USB ...",
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			bus_drv -> H2	[color="#e27dd6ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+		}
+		{
+			node [color="#61c2c5",
+				height=0.5
+			];
+			edge [color="#61c2c5"];
+			networking	[color="#61c2c5",
+				fillcolor=white,
+				fixedsize=true,
+				height=0.5,
+				row=func,
+				shape=box,
+				style="filled,setlinewidth(3)",
+				width=1];
+			sock	[color="#61c2c5",
+				fillcolor="#d9e7ee",
+				fixedsize=true,
+				height=0.5,
+				label=Sockets,
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(3)"];
+			networking -> sock	[arrowhead="",
+				color="#61c2c5",
+				row=func,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			prot_fam	[color="#61c2c5",
+				fillcolor="#b2d3e4",
+				height=0.5,
+				label="protocol\nfamilies",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			sock -> prot_fam	[color="#61c2c5",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			log_prot	[color="#61c2c5",
+				fillcolor="#6a9ab1",
+				height=0.5,
+				label="protocols:\nTCP, UDP, IP",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			prot_fam -> log_prot	[color="#61c2c5",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			netif	[color="#61c2c5",
+				fillcolor="#71809b",
+				fontsize=10,
+				height=0.5,
+				label="network\ninterfaces\nand drivers",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			log_prot -> netif	[color="#61c2c5",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			net_hw	[color="#61c2c5",
+				fillcolor="#777777",
+				fontcolor=white,
+				fontsize=10,
+				height=0.5,
+				label="network:\nEthernet, WiFi ...",
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			netif -> net_hw	[color="#61c2c5",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			NFS	[color="#8383cc",
+				fillcolor="#91b5c9",
+				fixedsize=true,
+				height=0.4,
+				label=NFS,
+				shape=octagon,
+				style="filled,setlinewidth(3)",
+				width=0.6];
+			NFS -> log_prot	[color="#61c2c5",
+				style="filled,setlinewidth(3)",
+				weight=0];
+		}
+		{
+			node [color="#8383cc",
+				height=0.5
+			];
+			edge [color="#8383cc"];
+			NFS;
+			storage	[color="#8383cc",
+				fillcolor=white,
+				fixedsize=true,
+				height=0.5,
+				row=func,
+				shape=box,
+				style="filled,setlinewidth(3)",
+				width=1];
+			FS	[color="#8383cc",
+				fillcolor="#d9e7ee",
+				fixedsize=true,
+				height=0.5,
+				label="files and\ndirectories",
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(3)"];
+			storage -> FS	[arrowhead="",
+				color="#8383cc",
+				row=func,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			VFS	[color="#8383cc",
+				fillcolor="#b2d3e4",
+				height=0.5,
+				label="Virtual\nFile System",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			FS -> VFS	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			VFS -> NFS	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=0];
+			logFS	[color="#8383cc",
+				fillcolor="#6a9ab1",
+				fontsize=10,
+				height=0.5,
+				label="logical\nfilesystems:\next3, xfs ...",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			VFS -> logFS	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			PC	[color="#51bf5b",
+				fillcolor="#91b5c9",
+				fixedsize=true,
+				fontsize=10,
+				height=0.4,
+				label="page\ncache",
+				shape=octagon,
+				style="filled,setlinewidth(3)",
+				width=0.6];
+			VFS -> PC	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=0];
+			mmap	[color="#51bf5b",
+				fillcolor="#91b5c9",
+				fixedsize=true,
+				fontsize=10,
+				height=0.4,
+				label="memory\nmapping",
+				shape=octagon,
+				style="filled,setlinewidth(3)",
+				width=1];
+			VFS -> mmap	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=0];
+			block	[color="#8383cc",
+				fillcolor="#71809b",
+				fontsize=10,
+				height=0.5,
+				label="Block\ndevices\nand drivers",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			logFS -> block	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			PA	[color="#51bf5b",
+				fillcolor="#71809b",
+				height=0.5,
+				label="Page\nAllocator",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			PC -> PA	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=0];
+			H4	[color="#8383cc",
+				fillcolor="#777777",
+				fontcolor=white,
+				fontsize=10,
+				height=0.5,
+				label="storage devices:\nSCSI, NVMe ...",
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			block -> H4	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			SW	[color="#8383cc",
+				fillcolor="#91b5c9",
+				fixedsize=true,
+				height=0.5,
+				label=Swap,
+				shape=octagon,
+				style="filled,setlinewidth(3)",
+				width=0.6];
+			SW -> block	[color="#8383cc",
+				style="filled,setlinewidth(3)",
+				weight=0];
+		}
+		{
+			node [color="#c46747",
+				height=0.5
+			];
+			edge [color="#c46747"];
+			processing	[color="#c46747",
+				fillcolor=white,
+				fixedsize=true,
+				height=0.5,
+				row=func,
+				shape=box,
+				style="filled,setlinewidth(3)",
+				width=1];
+			proc	[color="#c46747",
+				fillcolor="#d9e7ee",
+				fixedsize=true,
+				height=0.5,
+				label=Processes,
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(3)"];
+			processing -> proc	[arrowhead="",
+				color="#c46747",
+				row=func,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			Tasks	[color="#c46747",
+				fillcolor="#b2d3e4",
+				height=0.5,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			proc -> Tasks	[color="#c46747",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			sync	[color="#c46747",
+				fillcolor="#91b5c9",
+				fixedsize=true,
+				fontsize=10,
+				height=0.5,
+				label=synchronization,
+				shape=octagon,
+				style="filled,setlinewidth(3)"];
+			Tasks -> sync	[color="#c46747",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			sched	[color="#c46747",
+				fillcolor="#6a9ab1",
+				height=0.5,
+				label=Scheduler,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			sync -> sched	[color="#c46747",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			IRQ	[color="#c46747",
+				fillcolor="#71809b",
+				fontsize=10,
+				height=0.5,
+				label="interrupts\ncore,\nCPU arch",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			sched -> IRQ	[color="#c46747",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			CPU	[color="#c46747",
+				fillcolor="#777777",
+				fontcolor=white,
+				fontsize=10,
+				height=0.5,
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			IRQ -> CPU	[color="#c46747",
+				style="filled,setlinewidth(3)",
+				weight=10];
+		}
+		{
+			node [color="#cfbf57ff",
+				height=0.5
+			];
+			edge [color="#cfbf57ff"];
+			HI	[color="#cfbf57ff",
+				fillcolor=white,
+				fixedsize=true,
+				height=0.5,
+				label="human\ninterface",
+				row=func,
+				shape=box,
+				style="filled,setlinewidth(3)",
+				width=1];
+			char	[color="#cfbf57ff",
+				fillcolor="#d9e7ee",
+				fixedsize=true,
+				height=0.5,
+				label="char\ndevices",
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(3)"];
+			HI -> char	[arrowhead="",
+				color="#cfbf57ff",
+				row=func,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			input	[color="#cfbf57ff",
+				fillcolor="#b2d3e4",
+				height=0.5,
+				label="input\nsubsystem",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			char -> input	[color="#cfbf57ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			F7	[color="#cfbf57ff",
+				fillcolor="#6a9ab1",
+				height=0.5,
+				label="HI class\ndrivers",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			input -> F7	[color="#cfbf57ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			G7	[color="#cfbf57ff",
+				fillcolor="#71809b",
+				fontsize=10,
+				height=0.5,
+				label="HI\nperipherals\ndrivers",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			F7 -> G7	[color="#cfbf57ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			H7	[color="#cfbf57ff",
+				fillcolor="#777777",
+				fontcolor=white,
+				fontsize=10,
+				height=0.5,
+				label="display, keyboard,\nmouse, audio",
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			G7 -> H7	[color="#cfbf57ff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+		}
+		subgraph xcluster_layers {
+			usr_;
+			D0;
+			E0;
+			F0;
+			G0;
+			H0;
+			functions	[color=gray,
+				fillcolor=gray,
+				fixedsize=true,
+				height=0.5,
+				row=func,
+				shape=box,
+				style=dashed,
+				width=0.8];
+			layers	[fillcolor=lightgray,
+				height=0.1,
+				shape=box,
+				style="filled,setlinewidth(0)",
+				width=0.5];
+			functions -> layers	[style="filled,setlinewidth(3)",
+				weight=10];
+			usr	[fillcolor="#d9e7eeff",
+				fixedsize=true,
+				height=0.5,
+				label="user space\ninterfaces",
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(0)"];
+			layers -> usr	[arrowhead="",
+				color=gray,
+				style="filled,setlinewidth(1)",
+				weight=10];
+			usr -> usr_	[arrowhead="",
+				color="#d9e7eeff",
+				minlen=2,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			virt	[fillcolor="#b2d3e4",
+				height=0.5,
+				label="virtual\nsubsystems",
+				shape=box,
+				style="filled,setlinewidth(0)"];
+			usr -> virt	[color="#d9e7eeff",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			virt -> D0	[arrowhead="",
+				color="#b2d3e4",
+				minlen=2,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			bridges	[fillcolor="#91b5c9",
+				height=0.5,
+				shape=octagon,
+				style="filled,setlinewidth(0)"];
+			virt -> bridges	[color="#b2d3e4",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			bridges -> E0	[arrowhead="",
+				color="#91b5c9",
+				minlen=2,
+				style="filled,setlinewidth(3)",
+				weight=""];
+			logical	[fillcolor="#6a9ab1",
+				height=0.5,
+				shape=box,
+				style="filled,setlinewidth(0)"];
+			bridges -> logical	[color="#91b5c9",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			logical -> F0	[arrowhead="",
+				color="#6a9ab1",
+				minlen=2,
+				row=logical,
+				style="filled,setlinewidth(3)",
+				weight=""];
+			HWI	[fillcolor="#71809b",
+				height=0.5,
+				label="hardware\ninterfaces",
+				shape=box,
+				style="filled,setlinewidth(0)"];
+			logical -> HWI	[color="#6a9ab1",
+				row=logical,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			HWI -> G0	[arrowhead="",
+				color="#71809b",
+				minlen=2,
+				row=HWI,
+				style="filled,setlinewidth(3)",
+				weight=""];
+			HW	[fillcolor="#777777",
+				fontcolor=white,
+				height=0.5,
+				label="electronics,\nhardware",
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(0)"];
+			HWI -> HW	[color="#71809b",
+				row=HWI,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			HW -> H0	[arrowhead="",
+				color="#777777",
+				minlen=2,
+				row=chip,
+				style="filled,setlinewidth(3)",
+				weight=""];
+		}
+		subgraph mem {
+			node [color="#51bf5b",
+				height=0.5
+			];
+			edge [color="#51bf5b"];
+			PC;
+			mmap;
+			SW;
+			mmap -> SW	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=0];
+			log_mem	[color="#51bf5b",
+				fillcolor="#6a9ab1",
+				height=0.5,
+				label="logical\nmemory",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			mmap -> log_mem	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			PA;
+			H5	[color="#51bf5b",
+				fillcolor="#777777",
+				fontcolor=white,
+				fontsize=10,
+				height=0.5,
+				label="MMU, RAM",
+				row=chip,
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			PA -> H5	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			log_mem -> PA	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			memory	[color="#51bf5b",
+				fillcolor=white,
+				fixedsize=true,
+				height=0.5,
+				row=func,
+				shape=box,
+				style="filled,setlinewidth(3)",
+				width=1];
+			MA	[color="#51bf5b",
+				fillcolor="#d9e7ee",
+				fixedsize=true,
+				height=0.5,
+				label="memory\naccess",
+				row=usr,
+				shape=ellipse,
+				style="filled,setlinewidth(3)"];
+			memory -> MA	[arrowhead="",
+				color="#51bf5b",
+				row=func,
+				style="filled,setlinewidth(3)",
+				weight=10];
+			VM	[color="#51bf5b",
+				fillcolor="#b2d3e4",
+				height=0.5,
+				label="Virtual\nmemory",
+				shape=box,
+				style="filled,setlinewidth(3)"];
+			MA -> VM	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=10];
+			VM -> mmap	[color="#51bf5b",
+				style="filled,setlinewidth(3)",
+				weight=10];
+		}
+	}
+	{
+		graph [rank=same];
+		functions_;
+		system;
+		functions_ -> system;
+		networking;
+		system -> networking;
+		storage;
+		networking -> storage;
+		memory;
+		storage -> memory;
+		processing;
+		HI;
+		processing -> HI;
+		functions;
+		functions -> functions_	[arrowhead="",
+			color=gray,
+			style="",
+			weight=""];
+		memory -> processing;
+	}
+	{
+		graph [rank=same];
+		usr_;
+		SCI;
+		sock;
+		FS;
+		proc;
+		char;
+		usr;
+		MA;
+	}
+	{
+		graph [rank=same];
+		D0;
+		sysfs;
+		prot_fam;
+		VFS;
+		Tasks;
+		input;
+		virt;
+		VM;
+	}
+	{
+		graph [rank=same];
+		node [fontcolor=white];
+		E0;
+		DM;
+		NFS;
+		mmap;
+		sync;
+		bridges;
+	}
+	{
+		graph [rank=same];
+		F0;
+		log_sys;
+		log_prot;
+		logFS;
+		sched;
+		F7;
+		logical;
+		log_mem;
+	}
+	{
+		graph [rank=same];
+		G0;
+		bus_drv;
+		netif;
+		block;
+		PA;
+		IRQ;
+		G7;
+		HWI;
+	}
+	{
+		graph [rank=same];
+		H0;
+		H2;
+		net_hw;
+		H4;
+		CPU;
+		H7;
+		HW;
+		H5;
+	}
+	bottom	[label="© 2007-2019 Constantine Shulyupin http://www.MakeLinux.net/kernel/diagram",
+		shape=plaintext];
+	H4 -> bottom	[weight=""];
+	LKD	[fontsize=20,
+		label="Linux kernel diagram",
+		shape=plain];
+	LKD -> storage;
+}