linux-kernel - s390 perf events JSONs query

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Message-ID: <68e84967-ca29-0b86-027a-76307e003a55@huawei.com>
Date:   Fri, 20 Apr 2018 11:51:05 +0100
From:   John Garry <john.garry@...wei.com>
To:     <brueckner@...ux.vnet.ibm.com>, <tmricht@...ux.vnet.ibm.com>
CC:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        "Namhyung Kim" <namhyung@...nel.org>,
        Linuxarm <linuxarm@...wei.com>, <linux-kernel@...r.kernel.org>,
        Will Deacon <will.deacon@....com>
Subject: s390 perf events JSONs query

Hi Hendrik, Thomas,

I noticed that in 4.17-rc1 support was included for s390 perf 
pmu-events. I also notice that the JSONs contain many common (identical 
actually) events between different chips for this arch.

Support was added for factoring out common arch events in 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/tools/perf/pmu-events?h=next-20180420&id=e9d32c1bf0cd7a98358ec4aa1625bf2b3459b9ac

ARM64 chips use this feature. I am not familiar with the s390 arch, but 
do you think you could also use this feature?

Thanks,
John