On Wed, May 16, 2012 at 11:59:27AM -0300, Arnaldo Carvalho de Melo wrote:
> Adding Jiri and Steven to the CC list.
> 
> Em Wed, May 16, 2012 at 02:50:31PM +0400, Dmitry Antipov escreveu:
> > On 05/15/2012 07:51 PM, Arnaldo Carvalho de Melo wrote:
> > >Em Tue, May 15, 2012 at 07:27:39PM +0400, Dmitry Antipov escreveu:
> > >>are there any thoughts on how much of the perf.data is portable and how 
> > >>much it should be?
> > >>I'm interesting in recording scheduler activity on one machine and then 
> > >>replaying on
> > >>another. As I can see, replaying x86 perf.data on ARM doesn't work. At 
> > >>least, should it
> > >>work with a small subset of recorded events (for example, 
> > >>sched:sched_switch,
> > >>sched:sched_process_exit, sched:sched_process_fork, sched:sched_wakeup
> > >>and sched:sched_migrate_task) on the same architecture?
> > >
> > >Endianness issues? ARM EB? There are some patches by Jiri Olsa that may
> > >help you if that is the case.

latest version sent today, there's description of tests I did:
http://marc.info/?l=linux-kernel&m=133715172512742&w=2

Each time I run new sort of test, another endianity issue is hit.
so, tracepoints.. I'll check ;)

jirka

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