> Currently jcmd command GC.heap_dump only works with an additionally provided > file name. > Syntax : GC.heap_dump [options] <filename> > > In case the JVM has the XX - flag HeapDumpPath set, we should support an > additional mode where the <filename> is optional. > In case the filename is NOT set, we take the HeapDumpPath (file or directory); > > new syntax : > GC.heap_dump [options] <filename> .. has precedence over second option > GC.heap_dump [options] …in case -XX: HeapDumpPath=p is set > > This would be a simplification e.g. for support cases where a filename or > directory is set at JVM startup with -XX: HeapDumpPath=p and writing to the > path is intended/recommended for usage also in the jcmd case.
Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision: Adjust text related to HeapDumpPath in globals.hpp ------------- Changes: - all: https://git.openjdk.org/jdk/pull/18190/files - new: https://git.openjdk.org/jdk/pull/18190/files/e335d9ee..7420fb47 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=18190&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18190&range=01-02 Stats: 4 lines in 1 file changed: 1 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/18190.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/18190/head:pull/18190 PR: https://git.openjdk.org/jdk/pull/18190
