Safe Haskell	None
Language	Haskell2010

Data.Metrics.Timer

Description

A timer is basically a histogram of the duration of a type of event and a meter of the rate of its occurrence.

Synopsis

Documentation

A measure of time statistics for the duration of an event

Instances details

(MonadBase b m, PrimMonad b) => Clear b m (Timer b) Source #
Instance details Defined in Data.Metrics.Timer Methods clear :: Timer b -> m () Source #
(MonadBase b m, PrimMonad b) => Count b m (Timer b) Source #
Instance details Defined in Data.Metrics.Timer Methods count :: Timer b -> m Int Source #
(MonadBase b m, PrimMonad b) => Rate b m (Timer b) Source #
Instance details Defined in Data.Metrics.Timer Methods oneMinuteRate :: Timer b -> m Double Source # fiveMinuteRate :: Timer b -> m Double Source # fifteenMinuteRate :: Timer b -> m Double Source # meanRate :: Timer b -> m Double Source #
(MonadBase b m, PrimMonad b) => Statistics b m (Timer b) Source #
Instance details Defined in Data.Metrics.Timer Methods maxVal :: Timer b -> m Double Source # minVal :: Timer b -> m Double Source # mean :: Timer b -> m Double Source # stddev :: Timer b -> m Double Source # variance :: Timer b -> m Double Source #
(MonadBase b m, PrimMonad b) => TakeSnapshot b m (Timer b) Source #
Instance details Defined in Data.Metrics.Timer Methods snapshot :: Timer b -> m Snapshot Source #
(MonadBase b m, PrimMonad b) => Update b m (Timer b) Double Source #
Instance details Defined in Data.Metrics.Timer Methods update :: Timer b -> Double -> m () Source #
Register (Timer IO) Source #
Instance details Defined in Data.Metrics.Registry Methods register :: MetricRegistry IO -> Text -> IO (Timer IO) -> IO (Maybe (Timer IO)) Source #

Create a timer using a custom function for retrieving the current time.

This is mostly exposed for testing purposes: prefer using "timer" if possible.

Create a standard Timer with an exponentially weighted moving average and an exponentially decaying histogram

Execute an action and record statistics about the duration of the event and the rate of event occurrence.