X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=applications%2Fluci-app-statistics%2Fluasrc%2Fstatistics%2Frrdtool.lua;h=4e00e7f1fcdf1dc4be3aece46b160b8171e31b44;hp=5d4ad9859d0a1e39691fc80935f34a5b86df55e3;hb=eaafb4508c139b2aa8644c31c8349d5b25f2df8e;hpb=23df4ffaf7060fd10e6b3f41ada903d52a55ad03

diff --git a/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua b/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua
index 5d4ad9859..4e00e7f1f 100644
--- a/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua
+++ b/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua
@@ -25,6 +25,7 @@ function Graph.__init__( self, timespan, opts )
 	-- 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"
@@ -171,16 +172,29 @@ function Graph._generic( self, opts, plugin, plugin_instance, dtype, index )
 
 		-- 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