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  1. JDK
  2. JDK-8242504

Enhance the system clock to nanosecond precision

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 15
    • 15
    • hotspot
    • b26

    Description

      Enhance the system clock to nanosecond precision.

      Refer to the email for details: "os::javaTimeSystemUTC to call nanosecond precision OS API, so Clock.systemUTC() can give nanosecond precision UTC"

      https://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2020-April/038975.html


      Attachments

        Issue Links

          relates to

          Enhancement - null JDK-8180466 Clock.systemUTC has low resolution on Windows

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8246112 Remove build-time and run-time checks for clock_gettime and CLOCK_MONOTONIC

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8068730 Increase the precision of the implementation of java.time.Clock.systemUTC()

          • P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8246261 TCKLocalTime.java failed due to "AssertionError: expected [18:14:22] but found [18:14:23]"

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8185891 System.currentTimeMillis() is slow on Linux, especially with the HPET time source

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Enhancement - null JDK-6709908 System.currentTimeNanos() to support nanosecond precision

          • P5 - Cosmetic problem like misspelt words or misaligned text.
          • Closed

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              dholmes David Holmes
              rriggs Roger Riggs
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              Dates

                Created:
                Updated:
                Resolved: