On Mon, Oct 22, 2012 at 11:36 AM, Andreas Schwab <schwab@xxxxxxxxxxxxxx> wrote:
Ezequiel Garcia <elezegarcia@xxxxxxxxx> writes:
While trying to trace an m68k (without MMU) platform, I discovered
there's no "TRACING"
option on m68k menuconfig.
* Am I doing anything wrong? Is there no tracing support on m68k?
From Documentation/trace/ftrace-design.txt:
Prerequisites
-------------
Ftrace relies on these features being implemented:
STACKTRACE_SUPPORT - implement save_stack_trace()
TRACE_IRQFLAGS_SUPPORT - implement include/asm/irqflags.h
Yeah, I read that too. Perhaps the real question should be:
Is it just not implemented on this platform or is there no way to implement it?
(and is it a wanted feature by the m68k users?)
But, I'm still confused on why this stuff is needed to get trace events.
Thanks!
Ezequiel
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