On Wed, May 18, 2011 at 02:53:22PM +0100, Dave Martin wrote: > Hi, > > On Tue, May 17, 2011 at 5:53 PM, Tom Gall <tom.g...@linaro.org> wrote: > > Hi All, > > > > From UDS last week I was inspired to run bootchart on our Linaru > > Ubuntu-desktop LEB. > > > > I collected the data on my panda board using the daily snapshot from last > > week. > > > > From a very quick examination of the output, it would seem we are IO bound. > > > > I've created a quick wiki page about BootChart and attached the data > > I've gathered. > > > > https://wiki.linaro.org/BootChart > > Interesting. > > Due to the poor I/O throughput, it looks a bit like we might be > hitting the known SD card write behaviour issues; mounting with > noatime and/or journaling disabled (noload for ext4) might also make a > difference.
Um, why are we writing to anything on boot up? (Or is it an artifact of recording the BootChart data?) -- Christian Robottom Reis | [+55] 16 9112 6430 | http://launchpad.net/~kiko Linaro Engineering VP | [ +1] 612 216 4935 | http://async.com.br/~kiko _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
