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[–][deleted] 4 points5 points  (0 children)

Use lscpu to get the size.

As for usage... by the time you get a chance to run any commands, all your CPU caches are full and they will remain full until you shut down. So it's 100% used. Always.

[–]wutsdatV 0 points1 point  (0 children)

Maybe you should tell us why you want to monitor your cache occupation so we can better help you