Patent ID: 8489867

Claim:
A method of facilitating monitoring in a computing environment, said method comprising: executing, by a processor, a machine instruction to monitor an event of the computing environment, said machine instruction being operable in a first mode of operation and a second mode of operation, said executing comprising: specifying, by the machine instruction, the event to be monitored; selecting any one of the first mode of operation or the second mode of operation, wherein the first mode of operation is configured to take an interrupt and the second mode of operation is configured to increment a counter associated with the event being monitored absent taking the interrupt; based on selecting the second mode of operation: comparing a value of a monitor code and a limit of a counter array, said counter array including said counter; based on the comparing providing a first result, incrementing the counter of the counter array absent taking the interrupt; and based on the comparing providing a second result, incrementing an exception count.