+23
-1
lines changedFilter options
+23
-1
lines changed Original file line number Diff line number Diff line change
@@ -1973,6 +1973,23 @@ added: v11.10.0
1973 1973
Enables the update interval timer. Returns `true` if the timer was
1974 1974
started, `false` if it was already started.
1975 1975 1976 +
### `histogram[Symbol.dispose]()`
1977 + 1978 +
<!-- YAML
1979 +
added: REPLACEME
1980 +
-->
1981 + 1982 +
Disables the update interval timer when the histogram is disposed.
1983 + 1984 +
```js
1985 +
const { monitorEventLoopDelay } = require('node:perf_hooks');
1986 +
{
1987 +
using hist = monitorEventLoopDelay({ resolution: 20 });
1988 +
hist.enable();
1989 +
// The histogram will be disabled when the block is exited.
1990 +
}
1991 +
```
1992 + 1976 1993
### Cloning an `IntervalHistogram`
1977 1994 1978 1995
{IntervalHistogram} instances can be cloned via {MessagePort}. On the receiving
@@ -3,6 +3,7 @@ const {
3 3
ReflectConstruct,
4 4
SafeMap,
5 5
Symbol,
6 +
SymbolDispose,
6 7
} = primordials;
7 8 8 9
const {
@@ -38,7 +39,7 @@ const {
38 39
const kEnabled = Symbol('kEnabled');
39 40 40 41
class ELDHistogram extends Histogram {
41 -
constructor(i) {
42 +
constructor() {
42 43
throw new ERR_ILLEGAL_CONSTRUCTOR();
43 44
}
44 45
@@ -65,6 +66,10 @@ class ELDHistogram extends Histogram {
65 66
this[kHandle].stop();
66 67
return true;
67 68
}
69 + 70 +
[SymbolDispose]() {
71 +
this.disable();
72 +
}
68 73
}
69 74 70 75
/**
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