[Xymon] Reporting

[Colin Coe]

Many thanks guys, thanks a lot of good info.

CC

On Tue, Mar 31, 2015 at 12:13 AM, J.C. Cleaver <cleaver at terabithia.org> wrote:
>
>
> On Sun, March 29, 2015 10:37 pm, Jeremy Laidman wrote:
>> On 30 March 2015 at 14:37, J.C. Cleaver <cleaver at terabithia.org> wrote:
>>
>>> For the start and end options to rrdtool, it's actually expecting unix
>>> epoch timestamps.
>>>
>>
>> Actually, rrdgraph also has pretty good parsing, not necessarily requiring
>> epoch-times.  For example you can say:
>>
>>    -s "end-1week" -e "now-2d"
>>
>> meaning "from 2 days ago to one week before then".
>>
>> and
>>
>>   -s "-1week" -e "s+2d"
>>
>> meaning "from 1 week ago to 2 days after then".  ("s"="start"; "e"="end";
>> "-1week" = "now-1week").
>>
>> Can also specify dates in human-readable form as long as they comply with
>> the AT-STYLE time specification:
>>
>> https://oss.oetiker.ch/rrdtool/doc/rrdfetch.en.html#IAT_STYLE_TIME_SPECIFICATION
>>
>> I think the only error in this:
>>
>> rrdtool fetch $I MAX -r 900 -s "12am Mar 1" -e "12am Mar 27" | egrep
>>
>> is that you specified "12am" instead of "12:00am" and didn't specify a
>> year.  So try "12:00am Mar 1 2015" for your start time.  If you don't
>> specify a time of day, the year doesn't seem to be required, and I would
>> expect would default to the current year.
>>
>> J
>>
>
>
> Nifty! I stand corrected... Had no idea RRDtool's date parsing was that
> advanced :)
>
>
> -jc
>