linux-kernel - Re: [PATCH 1/9] perf vendor events: drop incomplete multiple mapfile support

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Date:   Thu, 8 Feb 2018 14:55:41 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     John Garry <john.garry@...wei.com>
Cc:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, namhyung@...nel.org,
        ak@...ux.intel.com, wcohen@...hat.com, will.deacon@....com,
        ganapatrao.kulkarni@...ium.com, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com, zhangshaokun@...ilicon.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/9] perf vendor events: drop incomplete multiple mapfile
 support

On Wed, Feb 07, 2018 at 01:44:56AM +0800, John Garry wrote:
> Currently jevents supports multiple mapfiles, but this
> is only in the form where mapfile basename starts with
> 'mapfile.csv'
> 
> At the moment, no architectures actually use multiple mapfiles,
> so drop the support for now.
> 
> This patch also solves a nuisance where, when the mapfile is
> edited and the text editor may create a backup, jevents may
> use the backup, as shown:
> jevents: Many mapfiles? Using pmu-events/arch/arm64/mapfile.csv~, ignoring pmu-events/arch/arm64/mapfile.csv
> 
> Signed-off-by: John Garry <john.garry@...wei.com>

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka