linux-kernel - Re: [PATCH v2] perf/x86/intel/uncore: Provide alias for IIO free-running boxes on SKX

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Message-ID: <20180904071349.GZ24124@hirez.programming.kicks-ass.net>
Date:   Tue, 4 Sep 2018 09:13:49 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     acme@...nel.org, mingo@...hat.com, eranian@...gle.com,
        kan.liang@...el.com, jolsa@...nel.org,
        Linux-kernel@...r.kernel.org, ak@...ux.intel.com, yao.jin@...el.com
Subject: Re: [PATCH v2] perf/x86/intel/uncore: Provide alias for IIO
 free-running boxes on SKX

On Tue, Sep 04, 2018 at 06:58:17PM +0800, Jin Yao wrote:
> root@skx /sys/devices# ls | grep uncore_iio
> uncore_iio_0
> uncore_iio_1
> uncore_iio_2
> uncore_iio_3
> uncore_iio_4
> uncore_iio_5
> uncore_iio_free_running_0
> uncore_iio_free_running_1
> uncore_iio_free_running_2
> uncore_iio_free_running_3
> uncore_iio_free_running_4
> uncore_iio_free_running_5

> root@skx /sys/devices# ls | grep uncore_iio
> uncore_iio_0
> uncore_iio_1
> uncore_iio_2
> uncore_iio_3
> uncore_iio_4
> uncore_iio_5
> uncore_iio_cbdma
> uncore_iio_mcp0
> uncore_iio_mcp1
> uncore_iio_pcie0
> uncore_iio_pcie1
> uncore_iio_pcie2

I think I'm ok with that, except of course for people that have
"free_running_#" in their scripts now and will to wtf when they upgrade
their kernel.

Do we care about them?