zephyr/samples/kernel/index.rst

.. _kernel-samples:

Various Kernel and Scheduler Samples
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   **/*
samples: move kernel samples into one folder Move kenrel samples into one directory. Signed-off-by: Anas Nashif <anas.nashif@intel.com> 2021-03-06 21:47:35 +08:00			`.. _kernel-samples:`
samples: Add MetaIRQ dispatch sample MetaIRQs are described in docs and exercised in tests, but there's no sample explaining how they are intended to be used to perform interrupt bottom half processing. This simple tool spawns a set of worker threads at different priorities (some cooperative) which process "messages" (which require CPU time to handle) received from a fake "device" implemented with timer interrupts. The device hands off the events directly to a MetaIRQ thread which is expected to parse and dispatch them to the worker threads. The test demonstrates that no matter the state of the system, the MetaIRQ thread always runs synchronously when woken by the ISR and is able to preempt all worker threads to do its job. Signed-off-by: Andy Ross <andrew.j.ross@intel.com> 2020-01-30 04:56:23 +08:00
			`Various Kernel and Scheduler Samples`
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