entrypoint.sh JVM_ARGS doesn't work

[jimjim4000441]

The logic:
freeMem=awk '/MemFree/ { print int($2/1024) }' /proc/meminfo
...
export JVM_ARGS="-Xmn${n}m -Xms${s}m -Xmx${x}m"
jmeter $@

seems not set the correct Xms/Xmx. It is always 1g.
jmeter(not jmeter.sh) doesn't honor the JVM_ARGS . Is it?

[justb4]

JVM_ARGS is exported in the entrypoint.sh and should be included in the jmeter script whose last line is:

"$JAVA_HOME/bin/java" $ARGS $JVM_ARGS $JMETER_OPTS -jar "$PRGDIR/ApacheJMeter.jar" "$@"

Note that the memory settings are from within the running Docker Container. But one can never be sure...Any proof you can supply?