Re: oprofile results with lmbench

From: rwhron@earthlink.net
Date: Sat Jul 13 2002 - 15:36:22 EST


> the numbers don't look right.

> Perhaps you fed oprofpp the wrong vmlinux?

Thanks! You are right. I just put a bold message
on the page that the results are invalid. I'm leaving
the page up in case anyone else recommends changes.
I'll re-run the tests.

> btw, when using RETIRED_INSNS (or CPU_CLK_UNHALTED), you should
> boot the kernel with `idle=poll'. Otherwise, idle time is
> unaccounted for in the profile and it gets really hard to interpret,
> and hard to compare runs.

I've added "idle=poll" to my lilo.conf append.

-- 
Rands Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html

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