aa55640b8c
freq_ctr_overshoot_period() function may be used to retrieve the excess of events over the current period for a givent frequency counter, ignoring the history. It is a way compare the "current rate" (the number of events over the current period) to a given rate and estimate the excess of events. It may be used to safely add new events, especially at the begining of the current period for a frequency counter with large period. This way, it is possible to smoothly add events during the whole period without quickly consuming all the quota at the beginning of the period and waiting for the next one to be able to add new events. |
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