Class EventLoopMonitor

constructor

• new EventLoopMonitor(options?): EventLoopMonitor

• Parameters

  • options: EventLoopMonitorOptions = {}

  Returns EventLoopMonitor

Readonly errorThreshold

Optional onReport

Readonly tickInterval

Readonly warnThreshold

stackSamplingActive

• get stackSamplingActive(): boolean

• Whether the stack sampler is running, i.e. the next stall will carry a stack.

  Returns boolean

watchdogActive

• get watchdogActive(): boolean

• Whether the watchdog thread is running, i.e. host contention can be told apart from code.

  Returns boolean

setReportContext

• setReportContext(context, runner?): void

• Set the OTel parent and, optionally, a runner that restores job AsyncLocalStorage.

  Parameters

  • context: undefined | Context
  • Optional runner: ReportContextRunner

  Returns void

start

• start(): void

• Start the heartbeat. Idempotent.

  Returns void

stop

• stop(): void

• Stop the heartbeat and the watchdog. Idempotent.

  Returns void