4 _CORE_RWLock_Obtain_for_reading corerwlockobtainread.c:68 4 _Event_Seize eventseize.c:74 4 _Heap_Allocate_aligned_with_boundary heapallocate.c:200 8 _Heap_Extend heap.inl:108 12 _Heap_Walk heapwalk.c:233 8 _POSIX_Condition_variables_Wait_support condwaitsupp.c:89 4 _POSIX_Threads_Sporadic_budget_callout pthread.c:149 12 _Thread_queue_Enqueue_priority threadqenqueuepriority.c:99 12 _Timer_server_Body timerserver.c:345 4 killinfo killinfo.c:268 8 rtems_rate_monotonic_period ratemonperiod.c:379