linux-kernel - Re: [PATCH 1/1] powerpc/perf: Adjust callchain based on DWARF debug

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Date:	Thu, 22 May 2014 10:09:55 -0700
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Maynard Johnson <mpjohn@...ibm.com>, Ulrich.Weigand@...ibm.com,
	Anton Blanchard <anton@....ibm.com>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org, michael@...erman.id.au
Subject: Re: [PATCH 1/1] powerpc/perf: Adjust callchain based on DWARF debug

Jiri Olsa [jolsa@...hat.com] wrote:
| 
| yep, that sounds more clear to me.. something like below?
| 
| calling callchain_dup from within arch_adjust_callchain in case
| you want to change it and returning != 0 in this case, so
| we could free the new callchain

Agree.

| 
| but it might be to much overhead in case you have the support to skip
| just one entry now right? is there a plan for more cleaning? ;)

Its only one entry AFACIT. No plans for other changes, so will rename
the function as you mention in the other message and will resend.

Thanks,

Sukadev

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