Node.js v26.9.0 documentation
- Node.js v26.9.0
- 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.finalResponseHeadersStartperformanceResourceTiming.firstInterimResponseStartperformanceResourceTiming.responseStartperformanceResourceTiming.responseEndperformanceResourceTiming.transferSizeperformanceResourceTiming.encodedBodySizeperformanceResourceTiming.decodedBodySizeperformanceResourceTiming.renderBlockingStatusperformanceResourceTiming.contentTypeperformanceResourceTiming.contentEncodingperformanceResourceTiming.toJSON()
- Class:
PerformanceObserver - Class:
PerformanceObserverEntryList perf_hooks.createHistogram([options])perf_hooks.importHistogram(data)perf_hooks.eventLoopUtilization([utilization1[, utilization2]])perf_hooks.monitorEventLoopDelay([options])perf_hooks.timerify(fn[, options])- Class:
Histogramhistogram.burnRate(sloTarget)histogram.counthistogram.countBigInthistogram.ccdf(value)histogram.cdf(value)histogram.cliffsD(other)histogram.cohensD(other)histogram.countAt(value)histogram.exceedshistogram.exceedsBigInthistogram.export()histogram.ewmaMeanhistogram.ewmaStddevhistogram.ewmaErrorRatehistogram.ksTest(other)histogram.kurtosishistogram.linearBuckets(stepSize)histogram.logBuckets(firstBucket, base)histogram.mannWhitneyTest(other)histogram.maxhistogram.maxBigInthistogram.meanhistogram.meanCI([options])histogram.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
- About this documentation
- Usage and example
- Assertion testing
- Asynchronous context tracking
- Async hooks
- Benchmark runner
- Buffer
- C++ addons
- C/C++ addons with Node-API
- C++ embedder API
- Child processes
- Cluster
- Command-line options
- Console
- Crypto
- Debugger
- Deprecated APIs
- Diagnostics Channel
- DNS
- Domain
- Environment Variables
- Errors
- Events
- File system
- FFI
- Globals
- HTTP
- HTTP/2
- HTTPS
- Inspector
- Internationalization
- Iterable Streams API
- Modules: CommonJS modules
- Modules: ECMAScript modules
- Modules:
node:moduleAPI - Modules: Packages
- Modules: TypeScript
- Net
- OS
- Path
- Performance hooks
- Permissions
- Process
- Punycode
- Query strings
- Readline
- REPL
- Report
- Single executable applications
- SQLite
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- String decoder
- Test runner
- Timers
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- Trace events
- TTY
- UDP/datagram
- URL
- Utilities
- V8
- Virtual File System
- VM
- WASI
- Web Crypto API
- Web Streams API
- Worker threads
- Zlib
- Other versions
- Options