1. A computer program product for controlling transactional execution in a computing environment, the computer program product comprising: a computer readable storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising: initiating, by a processor, a transaction within a computing environment, the transaction effectively delaying committing transactional stores to main memory until completion of a selected transaction, and wherein presentation of interrupts for the transaction is managed by one or more controls, the one or more controls having state associated therewith; presenting an interrupt for the transaction based on detecting a program event recording (PER) event and the state having a first value, PER being defined as presenting an interrupt based on detecting a PER event, the interrupt causing an address to be saved of a next transaction instruction to be executed; and suppressing PER event detection for the transaction based on the state having a second value.