Am Mittwoch, 27. Juni 2007 14:34 schrieben Sie:
> * Manfred Gruber <[EMAIL PROTECTED]> wrote:
> > hi !
> >
> > I use a arm4vt ep93xx processor with 2.6.21.5-rt18.
> > When i run cyclictest with -i 10000 and -n -p 90 -b 1000 i see some
> > strange latencies in poison_obj.
>
> disable SLAB_DEBUG. And look into your 'dmesg' output, the -rt kernel
> will warn about any other kernel config options as well that are known
> to cause large latencies:
>
> VFS: Mounted root (ext3 filesystem) readonly.
> ***************************************************************************
>** *
> * * REMINDER, the following debugging option is turned on in your
> .config: * *
> * * CONFIG_SLAB
> * *
> * * it may increase runtime overhead and latencies.
> * *
> *
> ***************************************************************************
>** Freeing unused kernel memory: 324k freed
>
> Ingo
ok, thanks without SLAB_DEBUG there is no poison_obj latency.
--
mfg
Manfred Gruber
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