Description of problem:

Using a local context as with 'pmval -L' will fail if pmcd has never been started before.

Version-Release number of selected component (if applicable):


How reproducible:

Always

Steps to Reproduce:
1. Make sure that pcp is not installed
   # yum remove pcp
   # rm -rf /var/lib/pcp/
2. Install pcp
   # yum install pcp
3. Run pmval with a local context
   # pmval -L kernel.all.user.cpu

Actual results:

    # pmval -L kernel.all.cpu.user

    Error Parsing ASCII PMNS: Cannot open "/var/lib/pcp/pmns/root"
    pmval: pmLookupName(kernel.all.cpu.user): PMNS not accessible

Expected results:

No error from pmval.

Additional info:

Starting/stopping pmcd will create the missing file.