linux-kernel - Re: [PATCH 1/3] perf pt: Mark PT return events as "return"

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Message-ID: <20160524192843.GC22049@tassilo.jf.intel.com>
Date:	Tue, 24 May 2016 12:28:43 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	jolsa@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] perf pt: Mark PT return events as "return"

> It looks like it synths 2 samples for each return (one "branches" and
> one "return"), which I would expect would mess up the thread_stack pairing
> calls and returns.  Did you intend to have 2 samples?

No it should be only one. I'll check.

-Andi

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