-- options
opts.timespan = timespan or sections.rrdtool.default_timespan or 900
opts.rrasingle = opts.rrasingle or ( sections.collectd_rrdtool.RRASingle == "1" )
+ opts.rramax = opts.rramax or ( sections.collectd_rrdtool.RRAMax == "1" )
opts.host = opts.host or sections.collectd.Hostname or luci.sys.hostname()
opts.width = opts.width or sections.rrdtool.image_width or 400
opts.rrdpath = opts.rrdpath or sections.collectd_rrdtool.DataDir or "/tmp/rrd"
-- is first source in stack or overlay source: source_stk = source_nnl
if not prev or source.overlay then
+ if self.opts.rrasingle or not self.opts.rramax then
-- create cdef statement for cumulative stack (no NaNs) and also
-- for display (preserving NaN where no points should be displayed)
_tif( _args, "CDEF:%s_stk=%s_nnl", source.sname, source.sname )
_tif( _args, "CDEF:%s_plot=%s_avg", source.sname, source.sname )
+ else
+ -- create cdef statement for cumulative stack (no NaNs) and also
+ -- for display (preserving NaN where no points should be displayed)
+ _tif( _args, "CDEF:%s_stk=%s_nnl", source.sname, source.sname )
+ _tif( _args, "CDEF:%s_plot=%s_max", source.sname, source.sname )
+ end
-- is subsequent source without overlay: source_stk = source_nnl + previous_stk
else
+ if self.opts.rrasingle or not self.opts.rramax then
-- create cdef statement
_tif( _args, "CDEF:%s_stk=%s_nnl,%s_stk,+", source.sname, source.sname, prev )
_tif( _args, "CDEF:%s_plot=%s_avg,%s_stk,+", source.sname, source.sname, prev )
+ else
+ -- create cdef statement
+ _tif( _args, "CDEF:%s_stk=%s_nnl,%s_stk,+", source.sname, source.sname, prev )
+ _tif( _args, "CDEF:%s_plot=%s_max,%s_stk,+", source.sname, source.sname, prev )
+ end
end
-- create multiply by minus one cdef if flip is enabled