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This patch equips init with the ability to report its internal state in the form of a "state" report. This feature can be enabled by placing a '<report>' node in init's configuration. The report node accepts the following arguments (with their default values): 'delay_ms="100"': specifies the number of milliseconds to wait before producing a new report. This way, many consecutive state changes - like they occur during the startup - do not result in an overly large number of reports but are merged into one final report. 'buffer="4K"': the maximum size of the report in bytes. The attribute accepts the use of K/M/G as units. 'init_ram="no"': if enabled, the report will contain a '<ram>' node with the memory stats of init. 'ids="no"': supplement the children in the report with unique IDs, which may be used to infer the lifetime of children accross configuration updates in the future; 'requested="no"': if enabled, the report will contain information about all session requests initiated by the children. 'provided="no"': if enabled, the report will contain information about all sessions provided by all servers. 'session_args="no"': level of detail of the session information generated via 'requested' or 'provided'. 'child_ram="no"': if enabled, the report will contain a '<ram>' node for each child based on the information obtained from the child's RAM session. Issue #2246
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, for example, the alarm framework.