I have just built LFS 6.4 and am in the process of ironing out
some kinks. I ran a simple minded performance check, by simply
copying the LiveCD to /dev/null, and comparing that with
/dev/zero -> /dev/null.
dd if=<source> of=/dev/null bs=1024 count=636340
Source real user sys
------ --------- -------- --------
52x CD 31m6.06s 0m0.176s 0m4.918s
That looks like I've got non-optimal driver there.
Anyway, I'm going to try this test again booted
with the LiveCD and see how fast it runs. Could just
be the small block size.
In an attempt to discover what is under the hood
on this machine without peeling back the hood and trying
to decipher chip markings, I might use /proc when the
system is booted with the LiveCD. ISTM that for someone
who knew what he was doing, it wouldn't be too hard to
write something that could convert that info into
recommendations for kernel config.
Just a thought.
Mike
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