Re: Pmlogger timespec question

On 16/02/17 01:56, Frank Ch. Eigler wrote:
> Hi -
>
>> -bash-4.2$ /usr/bin/pmlogger -c /etc/pcp/pmmgr/test_log.conf -T '@ 08:51:00' -l ./pmlogger.log ./archives/archive-test
>> [...]
>> I would have expected this to run until 08:51 tomorrow.
>
> Try:
>
> $ /usr/bin/pmlogger -c /etc/pcp/pmmgr/test_log.conf -T '@ tomorrow 08:51:00' -l ./pmlogger.log ./archives/archive-test

While this does indeed work, Martins example shows where changes in the 
handling of reverse date parsing in libpcp have broken the historical 
behavior.

 From man pcpintro(3) ...

  ... So,  for  example if the time window starts by default at ``Mon 
Mar 4 13:07:47 1996'', then -S @13:10 corresponds to 13:10:00 on Mon Mar 
4, 1996, while -S @10:00 corresponds to 10:00:00 on Tue Mar 5, 1996 
(note this is the following day).

This is the way it worked from the epoch, and I suspect the semantics 
changed on Tue Feb 18 15:27:36 2014 with commit 7ef03c9.

I think we either need to fix the code or fix the documentation.



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