Probe effect is unintended alteration in system behavior caused by measuring that system. In code profiling and performance measurements, the delays introduced by insertion/removal of code instrumentation may result in a non-functioning application, or unpredictable behavior.
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Famous quotes containing the words probe and/or effect:
“The middle years are ones in which children increasingly face conflicts on their own,... One of the truths to be faced by parents during this period is that they cannot do the work of living and relating for their children. They can be sounding boards and they can probe with the children the consequences of alternative actions.”
—Dorothy H. Cohen (20th century)
“At first I intended to become a student of the Senate rules and I did learn much about them, but I soon found that the Senate had but one fixed rule, subject to exceptions of course, which was to the effect that the Senate would do anything it wanted to do whenever it wanted to do it.”
—Calvin Coolidge (1872–1933)