Jan Johansson wrote:
>I do not suppose there is any "magic" subsitution for replacing (in this case)
>86400 with "The number of seconds between -s and -e params?
As I said, I script generate my graphs (actually, they are CGI scripts written
in Bash). So I have something along the lines of :
cas
Jan,
Today Jan Johansson wrote:
> Is there any way to use print without generating a graph? The docs seem
> suggest that "-" supresses all output tho, so I am guessing "No"?
if you do only use PRINT and not GPRINT, LINE, AREA, COMMENT then
no graph will be generated.
cheers
tobi
--
Tobi Oetik
Hello!
I would like o start with giving you a HUGE compliment for your answer. It is
verbose, clearly written and quite frankly a joy to read!
Thank you!
>DEF:onpercent=/opt/Krokopool/RRDDatabases/Styrning_Varmare.rrd:Styrning_Varmar>e:AVERAGE
> CDEF:ontime=onpercent,86400,*,3600,/
> CDEF:totp
Jan Johansson wrote:
>Is that something I can build into the query? To do the arithmetics and be
>able to feed an arbitrary start/end into the query?
>
>Such as
>
>rrdtool graph /usr/share/nginx/www/test.png -s "20130101" -e "now"
>DEF:ds0=/opt/Krokopool/RRDDatabases/Styrning_Varmare.rrd:Styrning
>Yes, it would be 21.67%
>Multiply by the length of time (86400 seconds in this case) to get total
>running time (5.2 >hours in the day), and multiply that by the nominal running
>power to get energy >consumed.
Thanks!
Is that something I can build into the query? To do the arithmetics and be a
>yes 21.7% seems right.
I figured out why it seemed off. I forgot about the five hour power failure
yesterday. :)
When I re-ran it for another timespan, I got values that seem reasonable.
Thanks all!
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Jan Johansson wrote:
>rrdtool graph /usr/share/nginx/www/test.png -s "now-1 day" -e "now"
>DEF:ds0=/opt/Krokopool/RRDDatabases/Styrning_Varmare.rrd:Styrning_Varmare:AVERAGE
> VDEF:ds1=ds0,AVERAGE LINE:ds0\#FF:ds0 PRINT:ds1:%20.2lf%s
>481x155
> 216.71m
>
>Does this mean 21,67% "on"
On 24.11.2013, at 23:56, Jan Johansson wrote:
>> no problem, then you just log 0 or 1 (again with GAUGE) and if you ask
>> rrdtool for the average over a given timespan this will be the ratio of time
>> the value has been 1.
>
>
> Thanks!
>
> Ok, I found an old post and try to modify that to
>no problem, then you just log 0 or 1 (again with GAUGE) and if you ask rrdtool
>for the average over a given timespan this will be the ratio of time the value
>has been 1.
Thanks!
Ok, I found an old post and try to modify that to my needs
rrdtool graph /usr/share/nginx/www/test.png -s "now-1
Hi Jan,
Yesterday Jan Johansson wrote:
> >I would suggest to set the DS to GAUGE
> >
> >and then log 3000 when your heater is on and 0 when it is off
> >
> >cheers
> >tobi
>
> Hello!
>
> The DS is set to gauge, but I cannot really change the value, as
> the controller in use actually talks to RR
and.ac...@lists.oetiker.ch
[mailto:rrd-users-bounces+s.shipway=auckland.ac...@lists.oetiker.ch] On Behalf
Of Jan Johansson
Sent: Monday, 18 November 2013 12:35 p.m.
Cc: rrd-users@lists.oetiker.ch
Subject: Re: [rrd-users] Calculation that is a bit over my head.
>I would suggest to set the DS to GAUGE
>
>I would suggest to set the DS to GAUGE
>
>and then log 3000 when your heater is on and 0 when it is off
>
>cheers
>tobi
Hello!
The DS is set to gauge, but I cannot really change the value, as the
controller in use actually talks to RRD directly, so I only have control over
the “read side” of
Hi Jan
> On 18.11.2013, at 00:19, Jan Johansson wrote:
>
>
> Hello!
>
> I have a data source that logs either 0 or 1.
> This data point relates to the state of a relay that controls a 3kW water
> heater
>
> I would like to be able to do dead reckoning of the power consumption of this
> h
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