linux-kernel - Re: [PATCH 1/6] perf x86: Infrastructure for exposing an Uncore unit to PMON mapping

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Message-ID: <20191203030031.GP84886@tassilo.jf.intel.com>
Date:   Mon, 2 Dec 2019 19:00:31 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Stephane Eranian <eranian@...gle.com>
Cc:     roman.sudarikov@...ux.intel.com,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>, bgregg@...flix.com,
        "Liang, Kan" <kan.liang@...ux.intel.com>,
        alexander.antonov@...el.com
Subject: Re: [PATCH 1/6] perf x86: Infrastructure for exposing an Uncore unit
 to PMON mapping

> You are just looking at one die (package). How does your enumeration
> help figure out
> is the iio_0 is on socket0 of socket1 and then figure out which
> bus/domain in on which
> socket.
> 
> And how does that help map actual devices (using the output of lspci)
> to the IIO?
> You need to show how you would do that, which is really what people
> want, with what you
> have in your patch right now.

See the rest of the patch series. It implements all of this in
the perf tool.

-Andi