$ sudo apt-get update
$ sudo apt-get install kcachegrind-converters 

kcachegrind-converters is installed in your system.

Make ensure the kcachegrind-converters package were installed using the commands given below,

$ sudo dpkg-query -l | grep kcachegrind-converters *

You will get with kcachegrind-converters package name, version, architecture and description in a table

kcachegrind-converters package basic information: