How to get the detailed information about how many memory used by a specific group(memusage)

The tool memusage.pl can be used to get the exactly information about how many memory used by a specific group.
(1)The memusage.pl is in the directory tools/build.
(2)You need type below command in the dos command prompt

C:\Dropbox\SW\QSC6010\Q6020AFBNTM3504\tools\build>perl memusage.pl -mf FBNTM.map -lf memusage.lf -sf memsort.lf -gf QCT_Group_Descriptions.xml >mem8.html

Notes:
1. If there is no memusage.lf in your build/ms directory, you can create a empty file and name it as memusage.lf.
3. Please copy the QCT_Group_Descriptions.xml from build/doc to the tools/build directory.

4. If you encounter the error msg "Undefined subroutine &BuildTools::ParseXMLgroupFile called at memusage.pl line 7
59.",
please rename the BuildTools.pm to AMSSBuildTools.pm.
You also need to change the "use BuildTools" to "use AMSSBuildTools" at the beginning of the memusage.pl.