Node.js v26.8.2 documentation
- Node.js v26.8.2
- Table of contents
- Performance measurement APIs
perf_hooks.performanceperformance.clearMarks([name])performance.clearMeasures([name])performance.clearResourceTimings([name])performance.eventLoopUtilization([utilization1[, utilization2]])performance.getEntries()performance.getEntriesByName(name[, type])performance.getEntriesByType(type)performance.mark(name[, options])performance.markResourceTiming(timingInfo, requestedUrl, initiatorType, global, cacheMode, bodyInfo, responseStatus[, deliveryType])performance.measure(name[, startMarkOrOptions[, endMark]])performance.nodeTimingperformance.now()performance.setResourceTimingBufferSize(maxSize)performance.timeOriginperformance.timerify(fn[, options])performance.toJSON()
- Class:
PerformanceEntry - Class:
PerformanceMark - Class:
PerformanceMeasure - Class:
PerformanceNodeEntry - Class:
PerformanceNodeTiming - Class:
PerformanceResourceTimingperformanceResourceTiming.workerStartperformanceResourceTiming.redirectStartperformanceResourceTiming.redirectEndperformanceResourceTiming.fetchStartperformanceResourceTiming.domainLookupStartperformanceResourceTiming.domainLookupEndperformanceResourceTiming.connectStartperformanceResourceTiming.connectEndperformanceResourceTiming.secureConnectionStartperformanceResourceTiming.requestStartperformanceResourceTiming.responseEndperformanceResourceTiming.transferSizeperformanceResourceTiming.encodedBodySizeperformanceResourceTiming.decodedBodySizeperformanceResourceTiming.toJSON()
- Class:
PerformanceObserver - Class:
PerformanceObserverEntryList perf_hooks.createHistogram([options])perf_hooks.eventLoopUtilization([utilization1[, utilization2]])perf_hooks.monitorEventLoopDelay([options])perf_hooks.timerify(fn[, options])- Class:
Histogramhistogram.counthistogram.countBigInthistogram.ccdf(value)histogram.cdf(value)histogram.cliffsD(other)histogram.cohensD(other)histogram.countAt(value)histogram.exceedshistogram.exceedsBigInthistogram.ewmaMeanhistogram.ewmaStddevhistogram.ewmaErrorRatehistogram.burnRate(sloTarget)histogram.ksTest(other)histogram.kurtosishistogram.linearBuckets(stepSize)histogram.logBuckets(firstBucket, base)histogram.mannWhitneyTest(other)histogram.maxhistogram.maxBigInthistogram.meanhistogram.minhistogram.minBigInthistogram.percentile(percentile)histogram.percentileBigInt(percentile)histogram.percentileCI(percentile[, options])histogram.percentileshistogram.percentilesBigInthistogram.percentilesAt(percentiles)histogram.reset()histogram.skewnesshistogram.stddevhistogram.welchTest(other[, options])
- Class:
ELDHistogram extends Histogram - Class:
RecordableHistogram extends Histogram - Histogram analysis examples
- Examples
- Performance measurement APIs
- Index