Annotation Interface Period

@Retention(RUNTIME) @Inherited @Target(TYPE) public @interface Period
Event annotation, specifies the default setting value for a periodic event.
Since:
9

Optional Element Summary

Modifier and Type Optional Element Description
String value
Returns the default setting value for a periodic setting.

Field Summary

Modifier and Type Field Description
static final String NAME
Settings name "period" for configuring periodic events

Field Details

NAME

static final String NAME
Settings name "period" for configuring periodic events
See Also:

Element Details

value

String value
Returns the default setting value for a periodic setting.

String representation of a positive Long value followed by an empty space and one of the following units:

"ns" (nanoseconds)
"us" (microseconds)
"ms" (milliseconds)
"s" (seconds)
"m" (minutes)
"h" (hours)
"d" (days)

Example values: "0 ns", "10 ms", and "1 s".

A period may also be "everyChunk" to specify that it occurs at least once for every recording file. The number of events that are emitted depends on how many times the file rotations occur when data is recorded.

Returns:
the default setting value, not null
Default:
"everyChunk"

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https://docs.oracle.com/en/java/javase/17/docs/api/jdk.jfr/jdk/jfr/Period.html