https://ward.vandewege.net/blog/2011/04/idle-power-draw-of-modern-opteron-cpus/ Tue, 03 Mar 2015 22:55:12 +0000 hourly 1 https://ward.vandewege.net/blog/2011/04/idle-power-draw-of-modern-opteron-cpus/comment-page-1/#comment-9970 Sun, 15 May 2011 21:08:57 +0000 http://ward.vandewege.net/blog/?p=599#comment-9970 Indeed, 32 doesn’t have that regression (it’s pretty recent).

]]> https://ward.vandewege.net/blog/2011/04/idle-power-draw-of-modern-opteron-cpus/comment-page-1/#comment-9969 Sun, 15 May 2011 18:31:42 +0000 http://ward.vandewege.net/blog/?p=599#comment-9969 Chris – I ran these tests on (the Xen kernel of) Debian Squeeze, which is a 2.6.32 based kernel, which does not have that regression AFAIK.

]]> https://ward.vandewege.net/blog/2011/04/idle-power-draw-of-modern-opteron-cpus/comment-page-1/#comment-9968 Sun, 15 May 2011 16:43:02 +0000 http://ward.vandewege.net/blog/?p=599#comment-9968 You might want to test with a build prior to the power regressions introduced in 6.38 (not sure if it was bisected yet) and see what the difference (if any) is. From what I’ve seen, it might be significant.

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