Annotation Type Period

@Retention(RUNTIME)
@Inherited
@Target(TYPE)
public @interface Period

Event annotation, specifies the default setting value for a periodic event.

Since:
9

Fields

Modifier and Type Fields Description
static String NAME

Settings name "period" for configuring periodic events

Optional Elements

Modifier and Type Optional Element Description
String value

Returns the default setting value for a periodic setting.

Fields

NAME

static final String NAME

Settings name "period" for configuring periodic events

Elements

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/11/docs/api/jdk.jfr/jdk/jfr/Period.html