Re: [PATCH] perf: ARM: Record the user-mode PC in the call chain.

From: Will Deacon
Date: Tue Jun 18 2013 - 09:14:43 EST

On Fri, Jun 14, 2013 at 12:21:11AM +0100, Jed Davis wrote:
> With this change, we no longer lose the innermost entry in the user-mode
> part of the call chain. See also the x86 port, which includes the ip.
> It's possible to partially work around this problem by post-processing
> the data to use the PERF_SAMPLE_IP value, but this works only if the CPU
> wasn't in the kernel when the sample was taken.

Thanks. I guess we need something similar for arm64 too. Could you cook a
similar patch please?

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