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lines changed Original file line number Diff line number Diff line change @@ -1973,6 +1973,23 @@ added: v11.10.0
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Enables the update interval timer. Returns ` true ` if the timer was
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started, ` false ` if it was already started.
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+ ### ` histogram[Symbol.dispose]() `
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+
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+ <!-- YAML
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+ added: REPLACEME
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+ -->
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+
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+ Disables the update interval timer when the histogram is disposed.
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+
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+ ``` js
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+ const { monitorEventLoopDelay } = require (' node:perf_hooks' );
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+ {
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+ using hist = monitorEventLoopDelay ({ resolution: 20 });
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+ hist .enable ();
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+ // The histogram will be disabled when the block is exited.
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+ }
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+ ```
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+
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### Cloning an ` IntervalHistogram `
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{IntervalHistogram} instances can be cloned via {MessagePort}. On the receiving
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ReflectConstruct,
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SafeMap,
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Symbol,
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+ SymbolDispose,
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} = primordials ;
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const {
@@ -38,7 +39,7 @@ const {
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const kEnabled = Symbol ( 'kEnabled' ) ;
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class ELDHistogram extends Histogram {
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- constructor ( i ) {
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+ constructor ( ) {
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throw new ERR_ILLEGAL_CONSTRUCTOR ( ) ;
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}
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@@ -65,6 +66,10 @@ class ELDHistogram extends Histogram {
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this [ kHandle ] . stop ( ) ;
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return true ;
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}
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+
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+ [ SymbolDispose ] ( ) {
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+ this . disable ( ) ;
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+ }
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}
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/**
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