linux-kernel - Re: [PATCH] perf record: enable multiplexing scaling via -R

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Message-ID: <CABPqkBR1F8c2sjntSxR7fTbbh_1pp6bp=aG2BnHUAYq-hzUg5A@mail.gmail.com>
Date:   Mon, 21 Aug 2017 17:13:29 -0700
From:   Stephane Eranian <eranian@...gle.com>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "mingo@...e.hu" <mingo@...e.hu>,
        "Liang, Kan" <kan.liang@...el.com>, Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH] perf record: enable multiplexing scaling via -R

On Mon, Aug 21, 2017 at 4:02 PM, Andi Kleen <andi@...stfloor.org> wrote:
>
> Stephane Eranian <eranian@...gle.com> writes:
> >
> > To activate, the user must use:
> > $ perf record -a -R ....
>
> I don't know why you're overloading the existing raw mode?
>
> It has nothing to do with that.
>
I explained this in the changelog. So that is does not change any of
the processing in perf report, i.e., no faced with data it does not
know how to handle.
Also trying to avoid adding yet another option.

>
> -Andi