Performance

Commands

Performance.disable

Disable collecting and reporting metrics.

Performance.enable

Enable collecting and reporting metrics.

Parameters
Name Type Description
timeDomain (optional) string Time domain to use for collecting and reporting duration metrics.

Performance.setTimeDomain

Experimental Deprecated

Sets time domain to use for collecting and reporting duration metrics.
Note that this must be called before enabling metrics collection. Calling
this method while metrics collection is enabled returns an error.

Parameters
Name Type Description
timeDomain string Time domain

Performance.getMetrics

Retrieve current values of run-time metrics.

Return Object
Name Type Description
metrics array<Metric> Current values for run-time metrics.

Events

Performance.metrics

Current values of the metrics.

Parameters
Name Type Description
metrics array<Metric> Current values of the metrics.
title string Timestamp title.

Types

Metric

(object)

Run-time execution metric.

Properties
Name Type Description
name string Metric name.
value number Metric value.

Summary