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  1. JDK
  2. JDK-8133527

JFR reports abnormally high machine CPU consumption on Linux

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    • jfr
    • b81
    • generic
    • linux_2.6

    Backports

      Description

        The code used to calculate various CPU usage statics depends on out-of-date interpretation of various fields in /proc/stats that no longer hold true since Linux 2.6. This can result in issues like JFR reporting 100% CPU consumption for IO heavy loads.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8147164 JFR reports abnormally high machine CPU consumption on Linux

            • P3 - Major loss of function.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8133666 OperatingSystemMXBean reports abnormally high machine CPU consumption on Linux

            • P3 - Major loss of function.
            • Resolved

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                dbuck David Buck
                dbuck David Buck
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                  Created:
                  Updated:
                  Resolved: