Re: Lockstats for SMP DB Workload

From: Dave Hansen (haveblue@us.ibm.com)
Date: Tue Jun 04 2002 - 23:29:07 EST

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Ruth Forester wrote:
> 2.4% 1.0% 38us( 15ms) 3185us( 12ms)(0.13%) 6291 99.0%
> 1.0% 0% kernel_flag_cacheline
<snip>
> 2.3% 9.1% 6865us( 15ms) 3551us(5592us)(0.01%) 33 90.9%
> 0.1% 0% do_exit+0xf4

I thought that the DB workload was running the LSE patches too. I
have a simple fix for do_exit(). This 2.4.17 patch should apply
against your 2.4.19pre8aa2+dj2... If it doesn't, I can regenerate it
pretty quickly.

Download here:
http://lse.sourceforge.net/lockhier/bkl_rollup.html#doexit

-- Dave Hansen haveblue@us.ibm.com

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