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doc: Update CPU sharing tutorial 

- Clarify blocked state

Signed-off-by: Reyes, Amy <amy.reyes@intel.com>
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Reyes, Amy 2022-09-15 09:43:19 -07:00 committed by Amy Reyes
parent 0d7527ce2f
commit 98886ae2a0
1 changed files with 5 additions and 4 deletions
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doc/tutorials/cpu_sharing.rst
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@ -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 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; 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 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 shows the current states of the vCPUs. The BLOCKED state can occur for
waiting for an I/O operation to be completed. Once it is done, the state will different reasons, most likely the vCPU is waiting for an I/O operation to be
change to RUNNABLE. When this vCPU gets its pCPU execution time, its state completed. Once it is done, the state will change to RUNNABLE. When this vCPU
will change to RUNNING, then the vCPU is actually running on the pCPU. gets its pCPU execution time, its state will change to RUNNING, then the vCPU
is actually running on the pCPU.
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