On Fri, 2009-11-13 at 08:35 +0000, ScottHW wrote:
> I've been experiencing significantly slower boot times since upgrading
> to Karmic. Too bad, as one of the main features I thought we were going
> to look forward to was faster booting.
>
> In Hardy, I was booting in ~0:39
> In Jaunty, I was booting in ~-0.26
> In Karmic, I was booting in ~1.22
>
> Upgraded to ureadahead, I am booting in ~1.19
>
Please open up your jaunty and karmic (ureadhead) bootcharts; that goes
for everyone else too ;-)
Now first, please ignore the "time:" bit at the top. That is *NOT* your
boot time, that is simply the number of seconds after boot that
bootchart exited (for whatever reason).
Reading jaunty, scroll down and look at the chart; look at what the last
thing happening before the chart is cut off: It's about 3/4 the way
down:
[gdm ]
[Xorg ]
[sh]
[xkbcomp]
So this chart is being cut off as soon as the X server is started, and
the other init scripts are finished.
Reading karmic, you'll notice that the chart is much wider and that the
CPU and I/O graphs of the last bit are empty. That's because bootchart
runs longer to capture _more_ of the boot.
Try and find the same gdm/Xorg pattern - it's not at the right hand side
of the graph is it? In fact it's almost exactly in the middle.
jaunty wasn't booting faster - the karmic bootchart just *also* includes
your desktop login as well (since we care about both)
Scott
--
Scott James Remnant
sc...@ubuntu.com
--
performs poorly on slow HDD
https://bugs.launchpad.net/bugs/432089
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