Posted Dec 10, 2008 14:13 UTC (Wed) by corbet
In reply to: Dueling performance monitors
Parent article: Dueling performance monitors
Oprofile is a profiler - it tells you where your program is running. Performance monitors tell you more about why it's running in a particular area. With a performance monitor, you can, for example, determine whether a reorganization of a data structure reduces cache misses or not. It's a different level of information.
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