1. A method for monitoring activity on a computer, the method comprising: periodically tracking, according to a tracking frequency, a first set of information relating to a first occurrence of a scenario on the computer, where the tracking comprises calculating a duration of the scenario, and where the first set of information relates to performance of the computer in performing the first occurrence of the scenario; evaluating at least some of the first set of information including the calculated duration to make a first determination about the first occurrence of the scenario, where the evaluating includes making a determination about the performance of the computer in performing the scenario; indicating, based on the first determination, that performance of the first occurrence of the scenario is outside a particular range, where the computer is configured for tracking a second set of information relating to a second occurrence of the scenario on the computer, where the second set of information comprises at least some information not tracked in the first set of information, and where the tracking the second set is based, at least in part, on the first determination indicating that the performance of the computer in performing the first occurrence of the scenario was sufficiently slow to warrant further investigation; and modifying the tracking frequency based on the first determination.