arch/x86/topology.rst

14 definitions. Thus, the way to read up on Linux topology on x86 is to start
111 A thread is a single scheduling unit. It's the equivalent to a logical Linux
150   The alternative Linux CPU enumeration depends on how the BIOS enumerates the
152   That has the "advantage" that the logical Linux CPU numbers of threads 0 stay
158    [package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
164 	[package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
165 		    -> [core 1] -> [thread 0] -> Linux CPU 1
169 	[package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
170 				-> [thread 1] -> Linux CPU 1
171 		    -> [core 1] -> [thread 0] -> Linux CPU 2
172 				-> [thread 1] -> Linux CPU 3
176 	[package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
177 				-> [thread 1] -> Linux CPU 2
178 		    -> [core 1] -> [thread 0] -> Linux CPU 1
179 				-> [thread 1] -> Linux CPU 3
183 	[node 0] -> [Compute Unit 0] -> [Compute Unit Core 0] -> Linux CPU 0
184 				     -> [Compute Unit Core 1] -> Linux CPU 1
185 		 -> [Compute Unit 1] -> [Compute Unit Core 0] -> Linux CPU 2
186 				     -> [Compute Unit Core 1] -> Linux CPU 3
192 	[package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
193 		    -> [core 1] -> [thread 0] -> Linux CPU 1
195 	[package 1] -> [core 0] -> [thread 0] -> Linux CPU 2
196 		    -> [core 1] -> [thread 0] -> Linux CPU 3
200 	[package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
201 				-> [thread 1] -> Linux CPU 1
202 		    -> [core 1] -> [thread 0] -> Linux CPU 2
203 				-> [thread 1] -> Linux CPU 3
205 	[package 1] -> [core 0] -> [thread 0] -> Linux CPU 4
206 				-> [thread 1] -> Linux CPU 5
207 		    -> [core 1] -> [thread 0] -> Linux CPU 6
208 				-> [thread 1] -> Linux CPU 7
212 	[package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
213 				-> [thread 1] -> Linux CPU 4
214 		    -> [core 1] -> [thread 0] -> Linux CPU 1
215 				-> [thread 1] -> Linux CPU 5
217 	[package 1] -> [core 0] -> [thread 0] -> Linux CPU 2
218 				-> [thread 1] -> Linux CPU 6
219 		    -> [core 1] -> [thread 0] -> Linux CPU 3
220 				-> [thread 1] -> Linux CPU 7
224 	[node 0] -> [Compute Unit 0] -> [Compute Unit Core 0] -> Linux CPU 0
225 				     -> [Compute Unit Core 1] -> Linux CPU 1
226 		 -> [Compute Unit 1] -> [Compute Unit Core 0] -> Linux CPU 2
227 				     -> [Compute Unit Core 1] -> Linux CPU 3
229 	[node 1] -> [Compute Unit 0] -> [Compute Unit Core 0] -> Linux CPU 4
230 				     -> [Compute Unit Core 1] -> Linux CPU 5
231 		 -> [Compute Unit 1] -> [Compute Unit Core 0] -> Linux CPU 6
232 				     -> [Compute Unit Core 1] -> Linux CPU 7