[pull] master from RT-Thread:master#704
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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 <teng_mengchen@163.com>
…tion for idle harts Add explanatory comments for the utest of smp_assigned_idle_cores. Signed-off-by: Mengchen Teng <teng_mengchen@163.com>
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