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  1. JDK
  2. JDK-8227031

Print NMT statistics on fatal errors

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      Description

        We have PrintNMTStatistics, a very useful switch which will cause the VM to print out the NMT statistics if the VM exits normally.

        Currently it does not work if the VM exits due to a fatal error. But especially in fatal exits due to native OOM a NMT report would be very helpful.


        Note that we already print an abridged NMT report into the hs-err file, but this is not what this item is about. This RFE is about printing summary or detailed NMT info to stdout, like it would happen for a normal VM exit with "-XX:+PrintNMTStatistics" enabled.

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            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-8231394 Print NMT statistics on fatal errors

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

            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-8245103 Print NMT statistics on fatal errors

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8227072 NMT detailed report should work in native OOM situations.

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

            Enhancement - null JDK-8227254 Optionally preallocate buffer to make error handling more stable on native OOM

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

            Enhancement - null JDK-8261297 NMT: Final report should use scale 1

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

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                stuefe Thomas Stuefe
                stuefe Thomas Stuefe
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