awilliam at redhat.com
Sat Nov 21 17:41:20 UTC 2009
On Sat, 2009-11-21 at 10:33 -0700, stan wrote:
> I eliminate all unnecessary functionality, and tune for my hardware. I
> think the main things that fixed the problem were eliminating the lower
> 128K of memory from user space (what a kludge!), making the desktop
> preemptable, and raising the tick frequency to 1000. I eliminate a
> On the other hand it could be like that old joke about the tigers.
> A passerby in a city sees a man sprinkling flour in intricate patterns
> around his house. He asks him what he is doing. The flour sprinkler
> says, "I'm putting in place tiger repellant." The passerby says,
> "There are no tigers around here!" The flour sprinkler says,
> "Effective, isn't it."
Exactly. For a start, Fedora's default kernel config is tickless (NOHZ
is enabled) by default.
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