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loopbench

v2.0.0

Published

2 years ago

Benchmark your event loop

Downloads

122,163

0High
0Medium
0Low

davidmarkclements

benchmark event loop

loopbench

Benchmark your event loop, extracted from hapi, hoek, heavy and boom.

Install

To install loopbench, simply use npm:

npm i loopbench --save

Example

See example.js.

API

loopbench()
instance.delay
instance.limit
instance.overLimit
instance.stop()

loopbench([opts])

Creates a new instance of loopbench.

Options:

sampleInterval: the interval at which the eventLoop should be sampled, defaults to 5.
limit: the maximum amount of delay that is tollerated before overLimit becomes true, and the load event is emitted, defaults to 42.

Events:

load, emitted when instance.delay > instance.limit
unload, emitted when overLimit goes from true and false

instance.delay

The delay in milliseconds (and fractions) from the expected run. It might be negative (in older nodes).

instance.limit

The maximum amount of delay that is tollerated before overLimit becomes true, and the load event is emitted.

instance.overLimit

Is true if the instance.delay > instance.limit.

instance.stop()

Stops the sampling.

License

Copyright Matteo Collina 2015-2022, Licensed under MIT.