From 571806f201f21a10f6f700a4adf57480fafe5d54 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@huhu.verplant.org>
Date: Wed, 26 Aug 2009 13:46:36 +0200
Subject: [PATCH] collection3: Add the possibility to scale generic graphs.

---
 contrib/collection3/etc/collection.conf        |  8 ++++++++
 contrib/collection3/lib/Collectd/Graph/Type.pm | 22 ++++++++++++++++++----
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/contrib/collection3/etc/collection.conf b/contrib/collection3/etc/collection.conf
index 86cb3aa1..f4c7f5d6 100644
--- a/contrib/collection3/etc/collection.conf
+++ b/contrib/collection3/etc/collection.conf
@@ -501,6 +501,14 @@ GraphWidth 400
   RRDVerticalLabel "°Celsius"
   RRDFormat "%4.1lf°C"
 </Type>
+<Type total_time_in_ms>
+  DataSources value
+  DSName "value Time"
+  RRDTitle "Time {instance}"
+  RRDVerticalLabel "Seconds"
+  RRDFormat "%6.2lf %ss"
+  Scale 0.001
+</Type>
 <Type users>
   DataSources users
   DSName users Users
diff --git a/contrib/collection3/lib/Collectd/Graph/Type.pm b/contrib/collection3/lib/Collectd/Graph/Type.pm
index 1fb60afe..01c2417c 100644
--- a/contrib/collection3/lib/Collectd/Graph/Type.pm
+++ b/contrib/collection3/lib/Collectd/Graph/Type.pm
@@ -349,10 +349,24 @@ sub getRRDArgs
     $f =~ s#:#\\:#g;
     $ds_name =~ s#:#\\:#g;
 
-    push (@ret,
-      "DEF:min${i}=${f}:${ds_name}:MIN",
-      "DEF:avg${i}=${f}:${ds_name}:AVERAGE",
-      "DEF:max${i}=${f}:${ds_name}:MAX");
+    if (exists ($obj->{'scale'}))
+    {
+      my $scale = 0.0 + $obj->{'scale'};
+      push (@ret,
+	"DEF:min${i}_raw=${f}:${ds_name}:MIN",
+	"DEF:avg${i}_raw=${f}:${ds_name}:AVERAGE",
+	"DEF:max${i}_raw=${f}:${ds_name}:MAX",
+	"CDEF:max${i}=max${i}_raw,$scale,*",
+	"CDEF:avg${i}=avg${i}_raw,$scale,*",
+	"CDEF:min${i}=min${i}_raw,$scale,*");
+    }
+    else
+    {
+      push (@ret,
+	"DEF:min${i}=${f}:${ds_name}:MIN",
+	"DEF:avg${i}=${f}:${ds_name}:AVERAGE",
+	"DEF:max${i}=${f}:${ds_name}:MAX");
+    }
   }
 
   if (@$ds == 1)
-- 
2.11.0