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This patch extends the 'Parent::session()' and 'Root::session()' functions with an additional 'affinity' parameter, which is inteded to express the preferred affinity of the new session. For CPU sessions provided by core, the values will be used to select the set of CPUs assigned to the CPU session. For other services, the session affinity information can be utilized to optimize the locality of the server thread with the client. For example, to enable the IRQ session to route an IRQ to the CPU core on which the corresponding device driver (the IRQ client) is running. |
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This is the example operating system based on the Genode OS framework: :_Init_: is the first real process in the system. The provided implementation uses a very simple XML parser to read its configuration files. :_Drivers_: The example OS has basic drivers for frame buffer, mouse and keyboard input, the PCI bus, the real-time clock, and system-specific timers. :_Server_: The only server in the example OS is Nitpicker, a minimal-complexity GUI server. :_Test_: are also part of the example OS. You may have a look at the fork bomb as a simple system stress test. :_Ldso_: is the dynamic linker used for loading executables that are linked against shared libraries. :_Lib_: contains libraries used by the components of the OS repository, in particular the device-driver kit, the alarm framework, and support for dynamic linking.