Re: Latency data - 2.6.14-rc3-rt13
From: Ingo Molnar
Date: Tue Oct 11 2005 - 02:52:50 EST
* Ingo Molnar <mingo@xxxxxxx> wrote:
> > Anyway, these latencies seem understood at this point. They are just
> > the timer that you set in the kernel hacking section. No big deal.
> > However, none of the messages yet give any clues (that I understand)
> > as to the cause of the timing misses I'm seeing with 2.6.14-rc3-rt13.
> > I shall look into a 2.6.14-rc4-rtX tomorrow.
> do you have 64-bit userspace too? If you have 32-bit userspace then
> could you try running the x86 kernel? Generally the 64-bit kernel has
> less mature debugging options in the -rt tree: e.g. latency tracing
> itself doesnt work [...]
let me take that back - latency tracing does work on x64 too.
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