Re: Updated bootchart (rev1543)

Stéphane Graber <stgraber-GeWIH/[email protected]> Wed, 20 Jan 2010 08:29:47 -0500
Newsgroups gmane.linux.terminal-server.devel
Message-ID <[email protected]>
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Oliver Grawert wrote:
> hi,
> Am Mittwoch, den 20.01.2010, 12:45 +0200 schrieb Jonathan Carter
> (highvoltage):
>> On Wed, Jan 20, 2010 at 2:45 AM, Stéphane Graber <[email protected]> wrote:
>>> New boot chart (rev1544) with regular LTSP (no cluster) is available at:
>>> http://www.stgraber.org/download/bootchart-ltsp-20100119-1.png
>> So if I'm reading that correctly... that's basically 15 seconds until
>> LDM starts up?
> rather 27 until the greeter comes up ...
> 
> ciao
> 	oli

After some more debug, it's nbd-proxy that's making the boot quite slow,
here's the same without nbd-proxy. I nagged the appropriate people here
so they can look at it and try to optimize it so it doesn't make the
boot that slow (though it's slow but rock solid vs fast but buggy) ;)

http://www.stgraber.org/download/bootchart-ltsp-20100119-4.png
That's the same without nbd-proxy :)

So we have X starting after 12s and everything loaded a bit before 20s.
That's really quite good especially as I plan to make it 3-5s faster by
moving some part to upstart.

I'm hoping to have nbd-proxy to be almost as fast as without it by the
end of the week.

- --
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com
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