Slow upstart boot in 9.10

[Rashkae]

Steve Flynn wrote:
> On Thu, Feb 11, 2010 at 8:43 PM, Bill Moseley <moseley at hank.org> wrote:
> 
>> Here's the one I just ran.
>> http://hank.org/tiger-karmic-20100211-3.png
> 
> I'm still intrigued by the complete lack of time spent in ureadahead.
> I'm running on a desktop single core Athlon 64 at 1.8 Ghz so not a
> powerhouse by any stretch of the imagination and compare my bootchart
> with yours - specifically the first comple of lines - my boot process
> pretty much halts whilst readahead is caching everything which will be
> required by the forthcoming programs and as you can see, it takes some
> 30s to slurp it all in, yet your machine is all done and dusted in
> half a second - this is why I wondered if you were on a solid state
> drive... and how could I gain sign-off from Atilla the Hen to buy one!
> :)

I think spending more than a few seconds on read-ahead is sign of a 
problem, and if you can't figure out how to resolve it, your boot will 
probably be faster by simply disabling it.

Here's my bootchart, a fast computer for certain, but nothing special 
about the hard drive.  It's actually booting off an older 320GB.

http://www.tigershaunt.com/files/nk-1124-karmic-20100211-1.png