doc: Update CPU sharing tutorial
Clarify blocked state
@@ -135,10 +135,11 @@ VMs. The example extends the information provided in the :ref:`gsg`.
you assigned pCPUs 1 and 2 to VMs 1 and 2 (via the ACRN Configurator). vCPU 1
of VM 0 and vCPU 0 of VM 1 and VM 2 are running on the same physical CPU;
they are sharing the physical CPU execution time. The thread state column
- shows the current states of the vCPUs. BLOCKED state means the vCPU is
- waiting for an I/O operation to be completed. Once it is done, the state will
- change to RUNNABLE. When this vCPU gets its pCPU execution time, its state
- will change to RUNNING, then the vCPU is actually running on the pCPU.
+ shows the current states of the vCPUs. The BLOCKED state can occur for
+ different reasons, most likely the vCPU is waiting for an I/O operation to be
+ completed. Once it is done, the state will change to RUNNABLE. When this vCPU
+ gets its pCPU execution time, its state will change to RUNNING, then the vCPU
+ is actually running on the pCPU.
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