[rfc] boot-time async readahead...

Daniel J Blueman daniel.blueman at gmail.com
Thu Feb 12 00:57:12 UTC 2009


By modifying the boot-time readahead to be at lower I/O and processor
priority than the boot scripts and asynchronous, I see a 20% reduction
in overall boot time (from installing bootchart) on my desktop: 41s
down to 33s.

I've produced a complete and tested debdiff at:
http://quora.org/hive/readahead-list_0.20050517.0220-1ubuntu5.diff.gz

and prebuilt a jaunty/intrepid x86-64 package (sorry, no ia32 h/w) at:
http://quora.org/hive/readahead_0.20050517.0220-1ubuntu5_amd64.deb

I'm interested in feedback and what performance benefit others see, to
see if it's worthwhile we get this reviewed and uploaded.

Happy booting!
  Daniel
-- 
Daniel J Blueman




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