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Re: [RFC][PATCH] Implement perf_callchain_user for o32 ABI (on mipsel)

To: linux-mips@linux-mips.org
Subject: Re: [RFC][PATCH] Implement perf_callchain_user for o32 ABI (on mipsel)
From: Holger Freyther <zecke@selfish.org>
Date: Wed, 10 Aug 2011 21:19:49 +0000 (UTC)
References: <4E423228.2080309@freyther.de> <4E42BEF0.1040502@cavium.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Loom/3.14 (http://gmane.org/)
David Daney <david.daney <at> cavium.com> writes:


> We probably could use some sort of backtrace code in the kernel, but 
> three seperate implementations are too many.
> 
> Also separating most of the unwinder into a separate file would be 
> preferable to mixing it into the perf counter driver.


Ah great, the oprofile support didn't exist when I was starting. Yes,
I will move the userspace unwinding into a common file and then build
the perf support on top of it.

holger



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