lkml.org 
[lkml]   [2009]   [Jan]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -v8][RFC] mutex: implement adaptive spinning
> The key criteria for the busy wait is that the lock owner has to be running on
> a (different) cpu. The idea is that as long as the owner is running, there is a
> fair chance it'll release the lock soon, and thus we'll be better off spinning
> instead of blocking/scheduling.

Won't this make Linux less "green"? (-> use more power since busy loops
use more power than idle loops) If so, maybe it should be make
configurable somewhere?


Folkert van Heusden

--
MultiTail is een flexibele tool voor het volgen van logfiles en
uitvoer van commando's. Filteren, van kleur voorzien, mergen,
'diff-view', etc. http://www.vanheusden.com/multitail/
----------------------------------------------------------------------
Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com


\
 
 \ /
  Last update: 2009-01-14 12:45    [W:0.388 / U:0.732 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site