Re: [patch] voluntary-preempt-2.6.8-rc4-O8

[Lee Revell]

On Sat, 2004-08-14 at 03:20, Ingo Molnar wrote:
> * Lee Revell <rlrevell@xxxxxxxxxxx> wrote:
> 
> > Here is the trace resulting from the apt-get filemap_sync() issue:
> > 
> >  0.000ms (+0.000ms): filemap_sync_pte_range (filemap_sync)
> >  0.000ms (+0.000ms): filemap_sync_pte (filemap_sync_pte_range)
> 
> ok, this is one that is fixed in -mm already. I've put the fix into -O8:
> 
>  http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc4-O8
> 
> other changes in -O8: the massive kallsyms-lookup speedup from Paulo
> Marque, and tracing is default-on now.
> 

The extract_entropy issue seems to be the worst offender on my system. I
have collected some traces here:

http://krustophenia.net/testresults.php?dataset=2.6.8-rc4-bk3-O7

Lee

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