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thread_analyzer: Stack/Free columns show '?' for non-Boreas threads #30

@swoisz

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@swoisz

thread_analyzer (shell thread command) shows ? in the Stack/Free columns for threads not created through k_thread_create (IDLE, ipc, main): FreeRTOS TaskStatus_t does not expose total stack size, while Boreas threads carry it in k_thread.stack_size.

Options:

  • k_thread registry lookup keyed by TaskHandle_t (clean, small)
  • Accept ? for system threads and document it

Good first issue: isolated to the thread_analyzer shell command, no kernel changes.

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