International Business Machines Corporation

Joshua Morris

Neil William Leedham

Matthew N Sunley

Neil Kenneth Johnston

A computer-implemented method, a computer system, and a computer program product for data storage alteration monitoring is provided. The present invention may include, obtaining a page record, wherein the page record includes, for an event monitor having an associated target memory address to be monitored for changes, an entry identifying an associated page of a secondary data storage containing the associated target memory address. The present invention may also include, responsive to identifying a first event monitor having an associated first target memory address to be monitored for changes, analyzing the obtained page record to identify a first page containing the first target memory address. The present invention may further include, controlling enablement of the first event monitor based on whether the first page, identified in the analyzed page record, is loaded into a physical main memory of the computer system.

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London, United Kingdom

Joshua Morris