Threshold (Java SE 11 & JDK 11 )
Keywords: jdk.jfr.Threshold class

Module jdk.jfr
Package jdk.jfr

## Annotation Type 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

- - ### Field Summary

    Fields
    Modifier and Type | Fields | Description
    --- | --- | ---
    `static String` | `NAME` | Setting name `"threshold"` for configuring event thresholds.

  - ### Optional Element Summary

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

- - ### Field Detail

    - #### NAME

          static final String NAME

      Setting name `"threshold"` for configuring event thresholds.

  - ### Element Detail

    - #### 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"