COLLECTING MEMORY OPERAND ACCESS CHARACTERISTICS DURING TRANSACTIONAL EXECUTION

摘要

A transactional execution of a set of instructions in a transaction of a program may be initiated to collect memory operand access characteristics of a set of instructions of a transaction during the transactional execution. The memory operand access characteristics may be stored upon a termination of the transactional execution of the set of instructions. The memory operand access characteristics may include an address of an accessed storage location, a count of a number of times the storage location is accessed, a purpose value indicating whether the storage location is accessed for a fetch, store, or update operation, a count of a number of times the storage location is accessed for one or more of a fetch, store, or update operation; a translation mode in which the storage location is accessed; and an addressing mode.

主权项

1. A computer implemented method for collecting memory operand access characteristics during transactional execution (TX) of a transaction, the method comprising:
initiating, by a processor, a transactional execution of a set of instructions in a transaction of a program; collecting, by the processor, memory operand access characteristics of the set of instructions during the transactional execution; and storing, by the processor, the memory operand access characteristics upon a termination of the transactional execution of the set of instructions, wherein the storing further comprises saving the collected memory operand access characteristics in a list of objects.