zephyr/samples/microkernel/test/test_critical
Inaky Perez-Gonzalez 8ddf82cf70 First commit
Signed-off-by:  <inaky.perez-gonzalez@intel.com>
2015-04-10 16:44:37 -07:00
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Title: Critical section ukernel test

Description:

This test verifies that the microkernel task_offload_to_fiber() API operates as
expected.

This test has two tasks that increment a counter.  The routine that
increments the counter is invoked from K_swapper() due to the two tasks
calling task_offload_to_fiber().  The final result of the counter is expected
to be the the number of times task_offload_to_fiber() was called to increment
the counter as the incrementing was done in the context of K_swapper().

This is done with time slicing both disabled and enabled to ensure that the
result always matches the number of times task_offload_to_fiber() is called.

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Building and Running Project:

This microkernel project outputs to the console.  It can be built and executed
on QEMU as follows:

    make pristine
    make microkernel.qemu

If executing on Simics, substitute 'simics' for 'qemu' in the command line.

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Sample Output:

tc_start() - Test Microkernel Critical Section API

Obtained expected <criticalVar> value of 10209055
Enabling time slicing ...
Obtained expected <criticalVar> value of 15123296
===================================================================
PASS - RegressionTask.
===================================================================
VXMICRO PROJECT EXECUTION SUCCESSFUL