SEARCH

Enter your search query in the box above ^, or use the forum search tool.

You are not logged in.

#1 2013-01-04 13:09:09

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Waldorf to sid: high idling CPU load averages

(Mods: please move this to another sub-forum if necessary).

I installed one of the earlier Waldorf releases and have kept it up to date. Recently, I've noticed high CPU load averages (> 1.0) on an idling Core Duo Acer Aspire 4710.

I upgraded from Waldorf/Wheezy to sid today and ran all updates. Load averages are now even higher -- idling is > 2.0 now, even after I killed  conky, compton and the browser to check. I killed slim and dropped to a terminal -- still idling above 2.0.

Using "top" or "powertop" does not give anything useful -- there is no process obviously loading the CPU. The processes which appear at the top of the 'top' list (sorted by CPU) are using 1% or 2% and then they drop off.

Typing this in Firefox (the only tab open) with terminator running as well (and compton and conky now) gives a 1-minute load average of 2.47 and a 5-minute load average of 2.29.

What is eating my CPU? sad

PS: I know that a running machine is never going to idle with a load average of 0 all the time. However, a machine that is idling at >1.0 or >2.0 means that it is running hot and using more power. I'm running on AC power now, but battery life on a laptop idling with high load averages is going to be dramatically shortened. I've done nothing since posting this thread a few minutes ago, except to check it and then edit it to include this note. Load averages are 2.24, 2.30 and 1.88 now.

Last edited by SabreWolfy (2013-01-04 13:16:52)

Offline

Be excellent to each other!

#2 2013-01-04 13:40:13

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: Waldorf to sid: high idling CPU load averages

Killed X and dropped to a console and left the machine idling for 20 minutes. Load averages are 2.07, 2.03 and 1.97 mad

Offline

#3 2013-01-04 14:05:35

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: Waldorf to sid: high idling CPU load averages

Booted off a Xubuntu 12.10 i386 live USB and running Firefox and terminal. Load average a few minutes after booting is 0.45, 0.56 and 0.28.

Edit: It's now dropped to 0.24, 0.40 and 0.27.

Last edited by SabreWolfy (2013-01-04 14:08:42)

Offline

#4 2013-01-04 14:44:18

xaos52
The Good Doctor
From: Planet of the @s
Registered: 2011-06-24
Posts: 4,602

Re: Waldorf to sid: high idling CPU load averages

Try installing recent kernel - e.g 3.7-1.towo-siduction-arch or later - using smxi.
See if you get the same behaviour.

Offline

#5 2013-01-04 15:03:08

arclance
#! Die Hard
Registered: 2012-03-29
Posts: 987

Re: Waldorf to sid: high idling CPU load averages

^ That should fix it.
There is a bug in the load calculation in the kernel used in Debian Testing and Sid that causes it to report load averages that are higher than they actually are.
I think it was fixed somewhere around kernel 3.4 and testing is using 3.2.

Last edited by arclance (2013-01-04 15:08:38)

Offline

#6 2013-01-04 17:08:02

VastOne
#! Ranger
From: V-Ger
Registered: 2011-04-26
Posts: 10,165
Website

Re: Waldorf to sid: high idling CPU load averages

^ Not so sure about that... Lately, on all kernels I have been using, liquorix 3.7, siduction 3.7, debian 3.6 trunk, I am seeing dramatic increases in memory usage..

I have been testing all of them trying to identify what is going on and cannot isolate anything.

Offline

#7 2013-01-04 17:28:50

arclance
#! Die Hard
Registered: 2012-03-29
Posts: 987

Re: Waldorf to sid: high idling CPU load averages

Offline

#8 2013-01-04 17:38:23

VastOne
#! Ranger
From: V-Ger
Registered: 2011-04-26
Posts: 10,165
Website

Re: Waldorf to sid: high idling CPU load averages

^ My bad...  I did not see anything like this until the last commits to 6.9 through 11 and now into 3.7

I do not think it is GPU related from a driver... Both nouveau and nVidia stable and beta drivers are showing the same thing.. This is on several different machines and I also have users reporting the same thing with ATI cards.

Offline

#9 2013-01-04 17:48:19

el_koraco
#!/loony/bun
From: inside Ed
Registered: 2011-07-25
Posts: 4,749

Re: Waldorf to sid: high idling CPU load averages

Nothing similar going on with Intel cards on 3.7, so it probably does have something to do with the drivers.

Offline

#10 2013-01-05 10:11:38

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: Waldorf to sid: high idling CPU load averages

Last edited by SabreWolfy (2013-01-05 10:21:41)

Offline

#11 2013-01-05 10:15:52

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: Waldorf to sid: high idling CPU load averages

Last edited by SabreWolfy (2013-01-05 10:32:01)

Offline

#12 2013-01-05 16:21:56

arclance
#! Die Hard
Registered: 2012-03-29
Posts: 987

Re: Waldorf to sid: high idling CPU load averages

Offline

#13 2013-01-06 10:37:43

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: Waldorf to sid: high idling CPU load averages

Offline

#14 2013-01-06 15:54:17

arclance
#! Die Hard
Registered: 2012-03-29
Posts: 987

Re: Waldorf to sid: high idling CPU load averages

The fix showed up in a later version of 3.2 as well.
Hopefully it should show up in Debian after the freeze is over and they update the kernel.

Offline

Board footer

Powered by FluxBB

Copyright © 2012 CrunchBang Linux.
Proudly powered by Debian. Hosted by Linode.
Debian is a registered trademark of Software in the Public Interest, Inc.
Server: bleh

Debian Logo