JMAP(1) JDK Commands JMAP(1) (NAME) jmap-openjdk21 - OpenJDK 21 (SYNOPSIS) : . jmap [options] pid options jmap . jmap . pid options . . ps JVM jps . (DESCRIPTION) jmap . : JDK . dbgeng.dll (Debugging Tools for Windows) . PATH jvm.dll (core dump) . JMAP (OPTIONS FOR THE JMAP COMMAND) -clstats pid (class loader) . -finalizerinfo pid (finalization) . -histo[:live] pid . live . -dump:dump_options pid (heap dump) . dump_options : o live --- . o format=b --- hprof . o file=filename --- filename . : jmap -dump:live,format=b,file=heap.bin pid JDK 21 2023 JMAP(1)