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The statistics system operates with two types of statistics types: timed information and timeless information. Timed information is a value recorded over time (ex. Response time, workload etc.), . Timeless information, is a value but where time does not have any meaning (ex. Internal execution time, counting etc.).

Timed statistical elements are stored internally, in arrays where each array element (called timeslot), represents one or more statistical data elements. Each timeslot is updated when new data is “added”.

Time

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Based Statistics and How It Is Stored

Time based statistics use an expression called time-slot. A time-slot is the a statistical unit which can contain a series of measurements on which average, minimum and maximum values and be calculated. A measurement period can therefore contain many time-slots.

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A statistical event, will be stored I in each of the 4 levels of detail in the time-slot which corresponds to the level of detail. This means that if two events occur with a 5 second interval, the first event will be stored in one time slot and the second event will be stored in another time slot at level of detail 1 above, while the two events together will be stored in the same time slot in item 2, 3 and 4 level of detail above.

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