International Business Machines Corporation

Mark Donald Masbruch

David Gerald Herbeck

Richard Michael Smith

Joseph Harold Peterson

DeVaughn Lawrence Rackham

David E Hubka

Mark Anthony Perkins

A method, apparatus, system, and signal-bearing medium that in an embodiment request a program or programs to tune themselves to run faster or slower if a service class is not meeting its performance goal. In an embodiment, the program is repeatedly requested to incrementally tune itself until the performance goal is met or until no further improvement occurs. In various embodiments, the programs to be requested to tune themselves are selected based on whether the programs are bottlenecks for the service class, whether the programs do the majority of work for the service class, whether the programs easily meet their own performance goals, or whether the programs are low priority. In this way, the programs may be performance tuned in a way that is more effective and less intrusive than by adjusting global, system-level resource allocations.

Program-level performance tuning

Selecting a program to improve a service class by requesting the program to incrementally self-tune

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Rochester, MN, United States of America

Mark Donald Masbruch