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

Lee Revell
2004-08-14T09:24:10Z

On Sat, 2004-08-14 at 03:20, Ingo Molnar wrote:
> * Lee Revell <rlrevell@joe-job.com> 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