PROCESSORS, METHODS, AND SYSTEMS TO IDENTIFY STORES THAT CAUSE REMOTE TRANSACTIONAL EXECUTION ABORTS
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United States of America Patent
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app pub date -
Jul 1, 2016
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Jul 1, 2016
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Abstract
A method of analyzing aborts of transactional execution transactions. Starting a transactional execution transaction with a first logical processor. Performing, with a second logical processor, store to memory instructions, while the first logical processor is performing the transactional execution transaction. Capturing memory addresses of, and instruction pointer values associated with, at least a sample of the store to memory instructions. Performing, with the second logical processor, a first store to memory instruction to a first memory address, which is to cause the transactional execution transaction to abort. Capturing the first memory address. Determining an instruction pointer value associated with the first store to memory instruction by correlating at least the captured first memory address with the captured memory addresses of said at least the sample of the store to memory instructions.
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