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Bug 487882 - [science overlay] sci-libs/atlas-3.10.1-r1 should not depend on sys-power/cpufrequtils
Summary: [science overlay] sci-libs/atlas-3.10.1-r1 should not depend on sys-power/cpu...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Library (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Science Related Packages
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-10-13 11:41 UTC by Martin Mokrejš
Modified: 2013-10-13 14:40 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Martin Mokrejš 2013-10-13 11:41:21 UTC
Hi,
  I am unhappy that atlas requires cpufrequtils which conflicts with cpupower. They are different tools and I suspect atlas needs cpufrequtils only to ensure CPU frequenecies won't change up and down during performance tests. That's bad.

for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do
  [ -f $CPUFREQ ] || continue;
   echo -n performance > $CPUFREQ;
done

could achieve the same, or writing some value into /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq would do the same as well. There is no need to install the cpufrequtils stuff, at all.

  Now I can uninstall cpufrequtils and install back cpupower because atlas failed anyway. :)
Comment 1 Justin Lecher (RETIRED) gentoo-dev 2013-10-13 14:40:38 UTC
+  13 Oct 2013; Justin Lecher <jlec@gentoo.org> atlas-3.10.1-r1.ebuild,
+  metadata.xml:
+  Set cpu freq governor without sys-power/cpufrequtils, #487882
+