2011/9/23 Jan Kiszka <jan.kis...@siemens.com>
> On 2011-09-23 15:58, Jean-Michel Hautbois wrote:
> > 2011/9/23 Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
> >> On 09/23/2011 11:49 AM, Jean-Michel Hautbois wrote:
> >>> OK, I have more traces (a few :)) :
> >> I meant the I-pipe tracer alone. The I-pipe tracer intead of other
> >> ftrace tracers.
> > Well, I think it works, I can do a cat /proc/ipipe/trace/max without any
> > error in a kernel which doesn't have any other ftrace function.
> > Do you have one test in particular in mind ?
> to get an impression of what is required to get ftrace working on
> x86_64. It is not working on x86_32 e.g. as it depends on the arch
> providing a NMI-safe, ie. task-stack independent current_thread_info().
> That is also not yet the case on Power.
Interesting, and impressive. Do you plan supporting it for PowerPC ?
Is there a git branch for that too ?
I can test on a P2020, if you are interested ;-).
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