[Bug 1309190] New: PCP -S can't be used in live mode

[bugzilla@xxxxxxxxxx]

https://bugzilla.redhat.com/show_bug.cgi?id=1309190

            Bug ID: 1309190
           Summary: PCP -S can't be used in live mode
           Product: Fedora
           Version: 23
         Component: pcp
          Assignee: nathans@xxxxxxxxxx
          Reporter: myllynen@xxxxxxxxxx
        QA Contact: extras-qa@xxxxxxxxxxxxxxxxx
                CC: brolley@xxxxxxxxxx, fche@xxxxxxxxxx, lberk@xxxxxxxxxx,
                    mgoodwin@xxxxxxxxxx, nathans@xxxxxxxxxx,
                    pcp@xxxxxxxxxxx, scox@xxxxxxxxxx



Description of problem:
>From PCPIntro(1):

       -S starttime
              By default the time window commences  immediately  in  real-time
              mode, or coincides with time at the start of the PCP archive log
              in archive mode.  The -S option may be used to specify  a  later
              time for the start of the time window.

              interval
                     To  specify an offset from the current time (in real-time
                     mode) or the beginning of a PCP archive (in archive mode)
                     simply specify the interval of time as the argument.  For
                     example -S 30min will set the start of the time window to
                     be  exactly  30  minutes  from  now in real-time mode, or
                     exactly 30 minutes from the start of a PCP archive.

But:

$ pmval -S 1m kernel.all.sysfork
pmval: time window options are supported for archives only
Usage: pmval [options] metricname
...

So the man page and the libpcp code are not in sync.

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