Fly bit

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The utilization value fly bit the calculated Event Loop Utilization (ELU). If bootstrapping fly bit not yet finished on the main thread the properties have the value of 0. The ELU is immediately available on Worker threads since bootstrap happens within the event loop.

If utilization1 is passed, then the delta between the current call's active and idle times, as well as the corresponding utilization value are calculated and returned (similar to process.

If utilization1 and utilization2 are both passed, then the delta is calculated between the two arguments. This is a convenience option because, unlike fly bit. ELU is similar fly bit CPU utilization, except that it only measures event loop statistics Amoxicillin Clavulanate Potassium (Augmentin ES)- Multum not CPU usage.

It represents the percentage of fly bit the event loop has spent outside the event persantine event provider (e.

No other CPU idle time is taken into consideration. The following is an example of how a mostly idle process will have a high ELU. Passing in a user-defined object instead of the result of fly bit previous call to eventLoopUtilization() will lead fly bit undefined behavior. The return values fly bit not guaranteed to reflect any correct state of the event loop. Creates a new PerformanceMark entry in the Performance Timeline. A PerformanceMark is a subclass of PerformanceEntry whose performanceEntry.

Performance marks are used to mark specific significant moments in the Performance Timeline. Creates a new PerformanceMeasure entry in the Performance Timeline. A PerformanceMeasure is a subclass of Fly bit whose performanceEntry.

The startMark argument may identify any existing PerformanceMark in the Performance Fly bit, or may identify any of the timestamp properties provided by the PerformanceNodeTiming class. If the named startMark does not exist, an error is thrown.

The optional endMark argument must identify any existing PerformanceMark in the Performance Timeline or any of the timestamp properties provided by the PerformanceNodeTiming class. An instance of the PerformanceNodeTiming class that provides performance metrics for specific Fly bit. Returns the current high resolution millisecond timestamp, where fly bit represents fly bit start of fly bit current node process.

The timeOrigin specifies the high resolution millisecond timestamp at which the current node process began, measured in Unix time. An object which is JSON representation of the performance object. The total number of milliseconds elapsed fly bit this entry. This value will not be meaningful for all Performance Entry types.

The value may be one of:When performanceEntry. The high resolution millisecond timestamp at which the Node. If bootstrapping has not yet finished, the property has the value of -1. The high resolution millisecond timestamp of the amount of time the event loop has been idle within the event loop's event provider (e.

This does not take CPU usage into consideration. If the event loop what is a hemophiliac fly bit yet started (e. If the event loop has not yet exited, fly bit property has the value of -1. It can only have a value of not -1 in a handler of the fly bit event. PerformanceObserver objects provide notifications when new PerformanceEntry instances fly bit been added to the Performance Timeline.

Users should fly bit observers as soon as they are no longer needed. The callback is invoked when a PerformanceObserver is notified about new PerformanceEntry instances. The fly bit receives a PerformanceObserverEntryList instance and a reference to the PerformanceObserver. Subscribes the instance to notifications of new instances identified either by options.

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