speeding up boot time?

Denys Dmytriyenko denis at denix.org
Thu Sep 25 22:47:29 UTC 2008


On Thu, Sep 25, 2008 at 01:21:43PM -0400, Cliff Brake wrote:
> Hello,
> 
> I have a ARM device running a fairly heavy application with regards to
> # of libraries (gtk, cario, gstreamer, etc).  Looking to speed up boot
> time, there are several operations that take a long time:
> 
> - udev
> - ldconfig
> - actual application start
> 
> Has anyone had any success speeding up these operations and what
> methods were used?  mdev is on the list, but has not been tried yet.
> We've also observed that ldconfig is writing the cache to a volatile
> location.  Has anyone thought through putting the cache in flash --
> how much write activity is expected, etc?  Also, if ldconfig is not
> run, then the app start time takes way longer so it is a net loss.

A very comprehensive, but generic (i.e. not OE specific) write up:

http://elinux.org/Boot_Time

-- 
Denys




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