Node perf_hooks.IntervalHistogram TypeScript interface | API Reference | Bun

The number of samples recorded by the histogram.

The number of samples recorded by the histogram. v17.4.0, v16.14.0

The number of times the event loop delay exceeded the maximum 1 hour event loop delay threshold.

The number of times the event loop delay exceeded the maximum 1 hour event loop delay threshold.

The maximum recorded event loop delay.

The maximum recorded event loop delay. v17.4.0, v16.14.0

The mean of the recorded event loop delays.

The minimum recorded event loop delay.

The minimum recorded event loop delay. v17.4.0, v16.14.0

Returns a Map object detailing the accumulated percentile distribution.

Returns a Map object detailing the accumulated percentile distribution.

The standard deviation of the recorded event loop delays.

Disables the update interval timer when the histogram is disposed.

const { monitorEventLoopDelay } = require('node:perf_hooks');
{
using hist = monitorEventLoopDelay({ resolution: 20 });
hist.enable();
// The histogram will be disabled when the block is exited.
}

Disables the update interval timer. Returns true if the timer was stopped, false if it was already stopped.

Enables the update interval timer. Returns true if the timer was started, false if it was already started.

Returns the value at the given percentile.

A percentile value in the range (0, 100].

Returns the value at the given percentile.

A percentile value in the range (0, 100].

Resets the collected histogram data.