linux-kernel - Re: [RFC PATCH 2/5] perf jevents: add support for arch recommended events

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Message-ID: <20171205172748.GI3070@tassilo.jf.intel.com>
Date:   Tue, 5 Dec 2017 09:27:48 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     John Garry <john.garry@...wei.com>
Cc:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        jolsa@...hat.com, alexander.shishkin@...ux.intel.com,
        namhyung@...nel.org, wcohen@...hat.com, will.deacon@....com,
        ganapatrao.kulkarni@...ium.com, catalin.marinas@....com,
        mark.rutland@....com, xuwei5@...ilicon.com, linuxarm@...wei.com,
        zhangshaokun@...ilicon.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/5] perf jevents: add support for arch recommended
 events

On Wed, Dec 06, 2017 at 12:13:16AM +0800, John Garry wrote:
> For some architectures (like arm64), there are architecture-
> defined recommended events. Vendors may not be obliged to
> follow the recommendation and may implement their own pmu
> event for a specific event cod

I would just duplicate the architected events into the different 
vendor files.  Then you wouldn't need all this mess.

-Andi