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+ <TITLE> [Mageia-discuss] Why would runlevel 3 take more power?
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+ <H1>[Mageia-discuss] Why would runlevel 3 take more power?</H1>
+ <B>Norman Carver</B>
+ <A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20Why%20would%20runlevel%203%20take%20more%20power%3F&In-Reply-To=%3C201110022035.44483.carver%40cs.siu.edu%3E"
+ TITLE="[Mageia-discuss] Why would runlevel 3 take more power?">carver at cs.siu.edu
+ </A><BR>
+ <I>Mon Oct 3 03:35:44 CEST 2011</I>
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+<PRE>Set up a new server for home use (DNS, files, etc.) and
+was gratified to find it using around 50 watts when the
+older machine it replaces was using around 90.
+However, just before sticking it in the closet, I changed
+it to runlevel 3 since I won't be using the GUI typically.
+I had assumed this might reduce power usage a bit
+more, but surprisingly it caused the power draw to go UP
+by about 3 watts! I thought it a fluke, but verified that
+this is a real phenomenon: the machine draws about
+3 watts less when X and KDE are running than when
+they are not. Seems like running more processes should
+cause more power usage. Any ideas what might be
+causing what I see? Odd.
+
+I note that:
+(1) I set kernel scaling_governor parameter for
+each core to ondemand for any runlevel;
+(2) whether logged into KDE or just sitting at the
+DM the power usage is stabilizes at the same level
+when in runlevel 5;
+(3) I have not made any power settings in KDE and
+the power applet is not running;
+(4) runlevel 5 has all the same services as runleve 5
+plus: dm and atieventsd.
+
+Thanks for any insights!
+Norm
+</PRE>
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