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#1 2010-01-12 06:56:41

ssl6
Member
From: Ottawa, ON, CA
Registered: 2007-08-30
Posts: 594

frequency scaling

just wondering, its 2am, and i'm a little bored, so i decided to tweak my conkyrc to show me per core cpu speeds......and I noticed, that the cores on this phenom II X4 aren't scaling indepently, wondering if there's a way to configure that, I'm having a hard time finding anything on the wiki, and elsewhere for that matter


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#2 2010-01-12 07:05:56

mikesd
Member
From: Australia
Registered: 2008-02-01
Posts: 788
Website

Re: frequency scaling

It might be normal. Check the output of cpufreq-info:

$ cpufreq-info | grep same
  CPUs which run at the same hardware frequency: 0 1
  CPUs which run at the same hardware frequency: 0 1

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#3 2010-01-12 09:48:14

sand_man
Member
From: Australia
Registered: 2008-06-10
Posts: 2,164

Re: frequency scaling

or,
watch grep \"cpu MHz\" /proc/cpuinfo


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#4 2010-01-12 12:18:23

ssl6
Member
From: Ottawa, ON, CA
Registered: 2007-08-30
Posts: 594

Re: frequency scaling

[urmom@urmom-pc ~]$ cpufreq-info | grep same
  CPUs which run at the same hardware frequency: 0
  CPUs which run at the same hardware frequency: 1
  CPUs which run at the same hardware frequency: 2
  CPUs which run at the same hardware frequency: 3

i'm guessing that means they're scaling indepently?

i'm watching the cpuinfo output right now, seems like they are, since i'm watching them bounce around, cool big_smile

cpu MHz         : 3200.000
cpu MHz         : 800.000
cpu MHz         : 800.000
cpu MHz         : 800.000

so maybe i just need to check my conkyrc again, does this look right? the cpu load section works fine, but not the frequency?

${freq cpu1}MHz ${freq cpu2}MHz ${freq cpu3}MHz ${freq cpu4}MHz ${hr 1}$color
CPU Avg :$color $cpu% ${cpubar cpu0 4}
Core1   :$color ${cpu cpu1}% ${cpubar cpu1 4} 
Core2   :$color ${cpu cpu2}% ${cpubar cpu2 4}
Core3   :$color ${cpu cpu3}% ${cpubar cpu3 4}
Core4   :$color ${cpu cpu4}% ${cpubar cpu4 4}

Last edited by ssl6 (2010-01-12 12:21:10)


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#5 2010-01-12 13:27:25

brianhanna
Member
Registered: 2009-10-30
Posts: 157

Re: frequency scaling

Aren't the CPUs numbered cpu0-cpu3 (not cpu1-cpu4)?

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#6 2010-01-12 15:35:27

Ultraman
Member
Registered: 2009-12-24
Posts: 242

Re: frequency scaling

Cpu0 in conky is an average of all CPUs in the system, if i'm not mistaken.
Individual cpu readout starts from cpu1 and so on.

Last edited by Ultraman (2010-01-12 15:35:44)

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