v8.startCpuProfile

History

v8.startCpuProfile(options?): SyncCPUProfileHandle

Attributes

options:Object

sampleInterval?:number

Requested sampling interval in milliseconds. Default: 0.

maxBufferSize?:integer

Maximum number of samples to keep before older entries are discarded. Default: 4294967295.

Returns:SyncCPUProfileHandle

Starting a CPU profile then return a SyncCPUProfileHandle object. This API supports using syntax.

const handle = v8.startCpuProfile({ sampleInterval: 1, maxBufferSize: 10_000 });
const profile = handle.stop();
console.log(profile);

JavaScript