Messages in this thread | | | Date | Wed, 2 Apr 2008 13:31:32 +0200 | From | Pavel Machek <> | Subject | Re: performance differences: "maxcpus=1" vs. "echo 0 > /sys/devices/system/cpu/cpu1/online" |
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Hi!
> > Ok, and your chip is too old to have "Enhanced Dynamic Acceleration > > Technology" (Intel, can't you use some reasonable names?!)... both > > would explain effects you see, and it is neither... > > It is too old to have that. I bought it at the beginning of 2007 and it > is from the first line of Core 2 Duo processors (released in summer > 2006). I think "Enhanced Dynamic Acceleration Technology" is only > available recently. > > > You could try implementing deep sleep (C4) state for cpu hotplug.... > > I have to confess that I sneaked unto LKML illegitimately, as I am not > a kernel hacker.
You can still play one, and submit a patch. Over internet, noone can tell if you are hacker or not ;-). I would be happy to help with good advice ;-). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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