Title: Microkernel low resolution timer test suite
Description:
This test verifies the following low resolution microkernel timer APIs operate
as expected:
task_timer_alloc (), task_timer_free()
task_timer_start(), task_timer_restart(), task_timer_stop()
task_node_tick_delta(), task_node_tick_get_32()
Also verifies the nanokernel timeouts can work alongside the microkernel timers.
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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 qemu
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Troubleshooting:
Problems caused by out-dated project information can be addressed by
issuing one of the following commands then rebuilding the project:
make clean # discard results of previous builds
# but keep existing configuration info
or
make pristine # discard results of previous builds
# and restore pre-defined configuration info
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Sample Output:
Starting timer tests
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Test the allocation of timers.
Test the one shot feature of a timer.
test nano_task_fifo_get_wait_timeout with timeout > 0
nano_task_fifo_get_wait_timeout timed out as expected
nano_task_fifo_get_wait_timeout got fifo in time, as expected
testing timeouts of 5 fibers on same fifo
got fiber (q order: 2, t/o: 10, fifo 00109134) as expected
got fiber (q order: 3, t/o: 15, fifo 00109134) as expected
got fiber (q order: 0, t/o: 20, fifo 00109134) as expected
got fiber (q order: 4, t/o: 25, fifo 00109134) as expected
got fiber (q order: 1, t/o: 30, fifo 00109134) as expected
testing timeouts of 9 fibers on different fifos
got fiber (q order: 0, t/o: 10, fifo 00109140) as expected
got fiber (q order: 5, t/o: 15, fifo 00109134) as expected
got fiber (q order: 7, t/o: 20, fifo 00109134) as expected
got fiber (q order: 1, t/o: 25, fifo 00109134) as expected
got fiber (q order: 8, t/o: 30, fifo 00109140) as expected
got fiber (q order: 2, t/o: 35, fifo 00109134) as expected
got fiber (q order: 6, t/o: 40, fifo 00109134) as expected
got fiber (q order: 4, t/o: 45, fifo 00109140) as expected
got fiber (q order: 3, t/o: 50, fifo 00109140) as expected
testing 5 fibers timing out, but obtaining the data in time
(except the last one, which times out)
got fiber (q order: 0, t/o: 20, fifo 00109134) as expected
got fiber (q order: 1, t/o: 30, fifo 00109134) as expected
got fiber (q order: 2, t/o: 10, fifo 00109134) as expected
got fiber (q order: 3, t/o: 15, fifo 00109134) as expected
got fiber (q order: 4, t/o: 25, fifo 00109134) as expected
===================================================================
PASS - test_fifo_timeout.
Test that a timer does not start.
Test the periodic feature of a timer
Test the stopping of a timer
Verifying the nanokernel timeouts worked
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PROJECT EXECUTION SUCCESSFUL
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