Re: [PATCH 0/3] ARM: perf: allow tracing with kernel tracepoints events

From: Will Deacon
Date: Wed Jul 09 2014 - 10:05:29 EST

Hi Jean,

On Mon, Jul 07, 2014 at 02:45:07PM +0100, Jean Pihet wrote:
> - Robustify the user backtrace code, as done on other architectures.
> - Provide the symbols resolution when triggering from tracepoints.
> Big thanks to Steve Capper for the help in debugging and rephrasing the
> commits descriptions.
> Stress tested with perf record and tracepoints triggering (-e <tracepoint>),
> with unwinding using fp (--call-graph fp) and dwarf info (--call-graph dwarf).

I've taken the first two in this series, but patch 3 still doesn't address
my concerns about saving the required register state for unwinding.


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