Binary package “valgrind-dbg” in ubuntu xenial

instrumentation framework for building dynamic analysis tools (debug)

 Valgrind is a system for debugging and profiling Linux programs. With its tool
 suite you can automatically detect many memory management and threading bugs,
 avoiding hours of frustrating bug-hunting and making your programs more stable.
 You can also perform detailed profiling to help speed up your programs and use
 Valgrind to build new tools.
 .
 This package provides the debug symbols for valgrind's tools and libraries.