Prints spin locks that virtual processors have spun more than 10,000 times to acquire. These spin locks are called longspins. The total number of longspins is printed in the heading of the glo command. Excessive longspins might indicate an overloaded system, too many virtual processors for a given computer or node, or an internal problem. To reduce longspins, reduce the number of virtual processors (generally class CPU), reduce the load on the computers, or use the no-age or processor affinity features.
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