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From: Andi Kleen <andi@firstfloor.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	Milian Wolff <milian.wolff@kdab.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	linux-kernel@vger.kernel.org, jolsa@kernel.org,
	Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH] perf script: Fix LBR skid dump problems in brstackinsn
Date: Thu, 6 Dec 2018 14:52:07 -0800	[thread overview]
Message-ID: <20181206225207.eomszl6sq3omrth7@two.firstfloor.org> (raw)
In-Reply-To: <20181206212920.GC32567@kernel.org>

On Thu, Dec 06, 2018 at 06:29:20PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Dec 06, 2018 at 12:51:48PM -0800, Andi Kleen escreveu:
> > On Thu, Dec 06, 2018 at 02:01:40PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Mon, Nov 19, 2018 at 09:06:17PM -0800, Andi Kleen escreveu:
> > > > From: Andi Kleen <ak@linux.intel.com>
> > > > 
> > > > This is a fix for another instance of the skid problem Milian
> > > > recently found [1]
> 
> I think you forgot to add the reference, i.e. what is the url or
> message-id that this [1] refers to?

Hmm, I thought I saw some patches from Milian for this earlier,
but now I can't find them. Perhaps I misremember. Milian
can point to them if they exist and are not just a figment
of my imagination :-)

These were the changes to report the stack frame RIP/RSP in the PEBS
handler and use it for unwinding in perf.

-Andi

  reply	other threads:[~2018-12-06 22:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-20  5:06 [PATCH] perf script: Fix LBR skid dump problems in brstackinsn Andi Kleen
2018-12-06 17:01 ` Arnaldo Carvalho de Melo
2018-12-06 20:51   ` Andi Kleen
2018-12-06 21:29     ` Arnaldo Carvalho de Melo
2018-12-06 22:52       ` Andi Kleen [this message]
2018-12-11 20:47         ` Milian Wolff
2018-12-07  9:21   ` Adrian Hunter
2019-01-03 13:13 ` [tip:perf/urgent] " tip-bot for Andi Kleen

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