linux-kernel - Re: [PATCH v7 2/5] perf/jevents: Add new structure to pass json fields.

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Date:   Thu, 3 Sep 2020 23:54:54 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Kajol Jain <kjain@...ux.ibm.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        pc@...ibm.com, Jiri Olsa <jolsa@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Yao Jin <yao.jin@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-perf-users <linux-perf-users@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>, maddy@...ux.ibm.com,
        ravi.bangoria@...ux.ibm.com, John Garry <john.garry@...wei.com>
Subject: Re: [PATCH v7 2/5] perf/jevents: Add new structure to pass json fields.

Hello,

On Thu, Sep 3, 2020 at 1:05 AM Kajol Jain <kjain@...ux.ibm.com> wrote:
>
> This patch adds new structure called 'json_event' inside jevents.h

jevents.c ?

Thanks
Namhyung

> file to improve the callback prototype inside jevent files.
> Initially, whenever user want to add new field, they need to update
> in all function callback which make it more and more complex with
> increased number of parmeters.
> With this change, we just need to add it in new structure 'json_event'.
>
> Signed-off-by: Kajol Jain <kjain@...ux.ibm.com>
> Reviewed-by: Andi Kleen <ak@...ux.intel.com>