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spinlock) #11011
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Add comments for smp_thread_preemption.
Signed-off-by: Mengchen Teng <[email protected]>
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Currently, the print information of this test case fails to demonstrate that
the high-priority thread has preempted the low-priority thread. This is because
when the high-priority thread prints the thread list, there is no information
about the low-priority thread (tlow), as tlow has already completed execution
and been destroyed. Therefore, the current execution logic cannot confirm the
successful completion of the preemption operation.
Solution: After the low-priority thread (tlow) releases the lock, add a busy-wait
loop while(!finish_flag);. At this point, when the high-priority thread (thigh)
prints the thread list information, tlow can be observed in the ready state, indicating
that it has been preempted by thigh.
Signed-off-by: Mengchen Teng <[email protected]>
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In smp_assigned_idle_cores_tc, the finish_flag involves atomic operations
and thus requires address alignment.
Signed-off-by: Mengchen Teng <[email protected]>
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Add comments for smp_bind_affinity, And fixed some comment issues in smp_affinity_pri2_tc.
Signed-off-by: Mengchen Teng <[email protected]>
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Add comments for smp_affinity_pri2
Signed-off-by: Mengchen Teng <[email protected]>
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Add comments for smp_affinity_pri1
Signed-off-by: Mengchen Teng <[email protected]>
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for idle harts
Add explanatory comments for the utest of smp_assigned_idle_cores.
Signed-off-by: Mengchen Teng <[email protected]>
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Currently, this utest cannot determine whether threads are evenly distributed
across idle harts by observing the result of list_thread(). This is because
the presence of rt_thread_delay(5); causes all other threads to be in the
suspended state when thread information is printed. For example, if RT_CPUS_NR=4,
T0 executes list_thread() to print information, while T1~T3 are in hibernation
and thus it is impossible to observe which hart they are running on.
Solution:Here, the completion judgment condition has been modified. For example,
when RT_CPUS_NR=4, only RT_CPUS_NR-1 threads will be created (i.e., T0 to T2),
because running the utest occupies one hart. The execution is judged as completed
when finish_flag=0x0007, and the thread running the utest will call list_thread()
to print the information. Observe whether T0 to T2 are running on different
harts simultaneously.
Signed-off-by: Mengchen Teng <[email protected]>
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by improper priority configuration. (#10956)
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by improper priority configuration.
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Use "Test" instead of "Unit Testcases" to make string shorter.
Use uppercase to make it look more eye-catching.
Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: Chen Wang <[email protected]>
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