linux-kernel - Re: [PATCH 1/2] perf evsel: Fix probing of precise

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Message-ID: <20170614144456.GE32020@kernel.org>
Date:   Wed, 14 Jun 2017 11:44:56 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        David Ahern <dsahern@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH 1/2] perf evsel: Fix probing of precise_ip level for
 default cycles event

Em Wed, Jun 14, 2017 at 03:55:22PM +0200, Ingo Molnar escreveu:
> 
> * Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> 
> > Em Wed, Jun 14, 2017 at 12:51:55PM +0200, Ingo Molnar escreveu:
> > > 
> > > * Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> > > 
> > > > Can you try with the patch below, which is hackish but the minimal fix at this
> > > > point. Later I'll come up with a way of returning a fully configured cycles
> > > > evsel, which will make the tools code simpler, moving more stuff to the
> > > > libraries.
> > > 
> > > Yeah, this patch on top of your tree seems to work better now.
> > 
> > So how do we proceed, do you want to keep these two as separate or can I
> > squash them together, fix that problem with the unwind library and
> > provide a new perf/urgent for you to use?
> > 
> > Off to breakfast now tho :-)
> 
> Your call: I had to unpull, so feel free to rebase your urgent branch.

Ok, I'll rebase it, prepare another pull req after we nail down the
unwind one.

- Arnaldo