[Bug 1683973] [NEW] lscpumf: Use of uninitialized value

[John George]

Public bug reported:

ubuntu at s5lp7:~$ lsb_release -rd 
Description:	Ubuntu 17.04
Release:	17.04

ubuntu at s5lp7:~$ apt-cache policy s390-tools
s390-tools:
  Installed: 1.37.0-0ubuntu3
  Candidate: 1.37.0-0ubuntu3
  Version table:
 *** 1.37.0-0ubuntu3 500
        500 http://us.ports.ubuntu.com/ubuntu-ports zesty/main s390x Packages
        100 /var/lib/dpkg/status

ubuntu at s5lp7:~$ lscpumf -c
Use of uninitialized value $ctrdef in concatenation (.) or string at /lib/s390-tools/cpumf_helper line 151.
Use of uninitialized value in concatenation (.) or string at /usr/bin/lscpumf line 321.

Counter output is listed but the code should handle uninitialized
values.

** Affects: s390-tools (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: s390x

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https://bugs.launchpad.net/bugs/1683973

Title:
  lscpumf: Use of uninitialized value

Status in s390-tools package in Ubuntu:
  New

Bug description:
  ubuntu at s5lp7:~$ lsb_release -rd 
  Description:	Ubuntu 17.04
  Release:	17.04

  ubuntu at s5lp7:~$ apt-cache policy s390-tools
  s390-tools:
    Installed: 1.37.0-0ubuntu3
    Candidate: 1.37.0-0ubuntu3
    Version table:
   *** 1.37.0-0ubuntu3 500
          500 http://us.ports.ubuntu.com/ubuntu-ports zesty/main s390x Packages
          100 /var/lib/dpkg/status

  ubuntu at s5lp7:~$ lscpumf -c
  Use of uninitialized value $ctrdef in concatenation (.) or string at /lib/s390-tools/cpumf_helper line 151.
  Use of uninitialized value in concatenation (.) or string at /usr/bin/lscpumf line 321.

  Counter output is listed but the code should handle uninitialized
  values.

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