Module jdk.jfr
Package jdk.jfr

Annotation Interface Threshold

@Target(TYPE) @Inherited @Retention(RUNTIME) public @interface Threshold
Event annotation, specifies the default duration below which an event is not recorded (for example, "20 ms").
Since:
9

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    String
    value
    The threshold (for example, "20 ms").

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    NAME
    Setting name "threshold" for configuring event thresholds.

  • Field Details

  • Element Details

    • value

      String value
      The threshold (for example, "20 ms").

      A 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 are "0 ns", "10 ms", and "1 s".

      Returns:
      the threshold, default "0 ns", not null
      Default:
      "0 ns"