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-rw-r--r--applications/luci-app-statistics/luasrc/statistics/rrdtool.lua13
1 files changed, 13 insertions, 0 deletions
diff --git a/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua b/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua
index 5d4ad9859d..cd2395e118 100644
--- a/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua
+++ b/applications/luci-app-statistics/luasrc/statistics/rrdtool.lua
@@ -171,16 +171,29 @@ 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 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 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