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Merge branch 'master' into ff/rrdd
[rrdtool.git]
/
doc
/
rrdgraph.pod
diff --git
a/doc/rrdgraph.pod
b/doc/rrdgraph.pod
index
262410e
..
1d6081d
100644
(file)
--- a/
doc/rrdgraph.pod
+++ b/
doc/rrdgraph.pod
@@
-43,7
+43,7
@@
it. For instance, you might be collecting B<bytes> per second, but
want to display B<bits> per second. This is what the B<L<data
calculation|rrdgraph_data/CDEF>> command is designed for. After
B<consolidating> the data, a copy is made and this copy is modified
want to display B<bits> per second. This is what the B<L<data
calculation|rrdgraph_data/CDEF>> command is designed for. After
B<consolidating> the data, a copy is made and this copy is modified
-using a rather powerful B<L<RPN|rrdgraph_rpn
/
>> command set.
+using a rather powerful B<L<RPN|rrdgraph_rpn>> command set.
When you are done fetching and processing the data, it is time to
graph it (or print it). This ends the B<rrdtool graph> sequence.
When you are done fetching and processing the data, it is time to
graph it (or print it). This ends the B<rrdtool graph> sequence.
@@
-77,7
+77,7
@@
The start and end of the time series you would like to display, and which
B<RRA> the data should come from. Defaults are: 1 day ago until
now, with the best possible resolution. B<Start> and B<end> can
be specified in several formats, see
B<RRA> the data should come from. Defaults are: 1 day ago until
now, with the best possible resolution. B<Start> and B<end> can
be specified in several formats, see
-L<AT-STYLE TIME SPECIFICATION|rrdfetch
/
> and L<rrdgraph_examples>.
+L<AT-STYLE TIME SPECIFICATION|rrdfetch> and L<rrdgraph_examples>.
By default, B<rrdtool graph> calculates the width of one pixel in
the time domain and tries to get data from an B<RRA> with that
resolution. With the B<step> option you can alter this behaviour.
By default, B<rrdtool graph> calculates the width of one pixel in
the time domain and tries to get data from an B<RRA> with that
resolution. With the B<step> option you can alter this behaviour.
@@
-262,8
+262,10
@@
Note that for linear graphs, SI notation is used by default.
[B<-z>|B<--lazy>]
[B<-z>|B<--lazy>]
-Only generate the graph if the current graph is out of date or not
-existent.
+Only generate the graph if the current graph is out of date or not existent.
+Note, that only the image size will be returned, if you run with lazy even
+when using graphv and even when using PRINT.
+
[B<--daemon> I<address>]
[B<--daemon> I<address>]
@@
-361,7
+363,7
@@
no text is rendered bitmapped.
All text in rrdtool is rendered using Pango. With the B<--pango-markup> option, all
text will be processed by pango markup. This allows to embed some simple html
like markup tags using
All text in rrdtool is rendered using Pango. With the B<--pango-markup> option, all
text will be processed by pango markup. This allows to embed some simple html
like markup tags using
-
+
<span key="value">text</span>
Apart from the verbose syntax, there are also the following short tags available.
<span key="value">text</span>
Apart from the verbose syntax, there are also the following short tags available.
@@
-375,7
+377,7
@@
Apart from the verbose syntax, there are also the following short tags available
small Makes font relatively smaller, equivalent to <span size="smaller">
tt Monospace font
u Underline
small Makes font relatively smaller, equivalent to <span size="smaller">
tt Monospace font
u Underline
-
+
More details on L<http://developer.gnome.org/doc/API/2.0/pango/PangoMarkupFormat.html>.
[B<-G>|B<--graph-render-mode> {B<normal>,B<mono>}]
More details on L<http://developer.gnome.org/doc/API/2.0/pango/PangoMarkupFormat.html>.
[B<-G>|B<--graph-render-mode> {B<normal>,B<mono>}]
@@
-443,13
+445,12
@@
You need at least one B<DEF> statement to generate anything. The
other statements are useful but optional.
See L<rrdgraph_data> and L<rrdgraph_rpn> for the exact format.
other statements are useful but optional.
See L<rrdgraph_data> and L<rrdgraph_rpn> for the exact format.
-=head2 Graph and print elements
+NOTE: B<Graph and print elements>
You need at least one graph element to generate an image and/or
at least one print statement to generate a report.
See L<rrdgraph_graph> for the exact format.
You need at least one graph element to generate an image and/or
at least one print statement to generate a report.
See L<rrdgraph_graph> for the exact format.
-
=head2 graphv
Calling rrdtool with the graphv option will return information in the
=head2 graphv
Calling rrdtool with the graphv option will return information in the