linux-kernel - Re: [PATCH 1/2] perf pt: Mark PT return events as "return"

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Message-ID: <20160524005049.GA22049@tassilo.jf.intel.com>
Date:	Mon, 23 May 2016 17:50:49 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
	jolsa@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] perf pt: Mark PT return events as "return"

On Mon, May 23, 2016 at 03:05:08PM +0300, Adrian Hunter wrote:
> On 20/05/16 22:52, Andi Kleen wrote:
> > From: Andi Kleen <ak@...ux.intel.com>
> > 
> > With perf script --itrace=cr we can synthesize calls and returns out of
> > a PT log. However both calls and returns are marked with the same event,
> > called branches. This makes it difficult to read and post process,
> > because calls and returns are somewhat diffferent.
> 
> Did you consider the sample flags?
> e.g.

True. But reporting it in the event name looks nicer, so I think the patch
is still useful.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only