Provided by: jattach_1.5-2_amd64 

NAME
jattach - dynamc attach utility for the jvm
SYNOPSIS
jattach pid
[load|properties|agentProperties|datadump|threaddump|dumpheap|inspectheap|setflag|printflag|jcmd] [args]
DESCRIPTION
jattach is an all in one jamp, jstack, jcmd, jinfo implementation as a tiny single C program.
OPTIONS
load load agent library
properties print system properties
agentProperties print agent properties
datadump show heap and thread summary
threaddump dump all stack traces (like jstack)
dumpheap dump heap (like jmap)
inspectheap create a heap histrogram (like jmap -histo)
setflag modify manageable JVM flag
printflag print JVM flag
jcmd execute jcmd command
September 06 2019 JATTACH(1)