Messages in this thread | | | Date | Wed, 16 May 2012 15:08:30 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: Perf record format portability |
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Em Wed, May 16, 2012 at 12:58:23PM -0400, Steven Rostedt escreveu: > On Wed, 2012-05-16 at 11:59 -0300, Arnaldo Carvalho de Melo wrote: > > Was the kernel trace events infrastructure designed with that in > > mind? I.e. cross analysis? I must be missing something here, still > > ENOCOFFEE :-\ > > Yes, the libparsevents library was design for this from day one. That's > why trace-cmd data file can be run on an ARM and read on x86, or PPC, or > whatever. I did all my development testing against 32bit, 64bit and big > and little endian. This was the case from the beginning.
I need to look at the code, but how does it do this? Copy the relevant /sys/kernel/debug/events formats in the header and then instead of looking at /sys/... look at those?
Does it still copy /proc/kallsyms?
- Arnaldo
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