Boot poster challenge

Hans de Goede j.w.r.degoede at hhs.nl
Thu Nov 18 06:51:05 UTC 2004


Why does starting xfs do a find ? Me thinks we can save a few cycels there.

Regards,

Hans




Ziga Mahkovec wrote:
> On Wed, 2004-11-17 at 13:45 +0100, Terje Bless wrote:
> 
>>What happens to overall boot time if rhgb and dhclient is disabled, with and
>>without readahead?
> 
> 
> I already posted some results with different rhgb/readahead
> combinations.  Before I try all other options, I'd much rather complete
> the work, put it online and let people try it out.  Some of the issues
> seen in these charts (e.g. 'modprobe floppy') are specific to my laptop.
> 
> 
>>Also interesting would be a graph of a minimal boot — disable all nonessential
>>services; portmap, rpc, gpm, cups, etc. — into text console. It'd reduce the
>>“noise” in the graph and might reveal something interesting about the
>>remaining processes.
> 
> 
> Ha, no horizontal bar for this one:
> http://www.klika.si/ziga/bootchart/bootchart-minimal.png
> 
> That's with runlevel 3 and only the following services:
> xfs, iptables, messagebus, irqbalance, syslog, haldaemon, crond, atd,
> anacron, cpuspeed, xinetd.
> 
> Exit criteria are mingetty running and system idle.
> 
> 
>>Oh, BTW, what is that apparent zombie of S04readahead_early? Just a timing
>>issue with the sampling?
> 
> 
> If you take a look at the log file that produced the image
> (http://www.klika.si/ziga/bootchart/bootop.log.rhgbfix.gz):
> 
> @@ 3704
> 2085  2079  4356 3372 S  0.0   0:00.00 initlog -q -c /etc/rc5.d/S04readahead_ea
> 2086  2085     0    0 Z  0.0   0:00.00 [S04readahead_ea] <defunct>
> 
> It seems related to:
> http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=64603
> 





More information about the fedora-devel-list mailing list