Re: Pmlogger timespec question

> On Feb 16, 2017, at 3:05 PM, Ken McDonell <[email protected]> wrote:
> 
> 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.

OK, thanks Frank and Ken.

Martins
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