linux-kernel - Re: linux-next: build failure after merge of the perf tree

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Message-ID: <da30690e-c20c-40b1-9fa7-14d221a7914e@linaro.org>
Date: Mon, 26 Jan 2026 15:20:09 +0000
From: James Clark <james.clark@...aro.org>
To: Mark Brown <broonie@...nel.org>,
 Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
 Namhyung Kim <namhyung@...nel.org>
Cc: Leo Yan <leo.yan@....com>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the perf tree



On 26/01/2026 3:13 pm, Mark Brown wrote:
> On Mon, Jan 19, 2026 at 04:09:44PM +0000, Mark Brown wrote:
>> Hi all,
>>
>> After merging the perf tree, today's linux-next build (arm64 perf)
>> failed like this:
>>
>> Exception processing /tmp/next/perf/pmu-events/arch/arm64/arm/cortex-a510/pmu.json
>> Traceback (most recent call last):
> 
> ...
> 
>> Caused by commit
>>
>>     a66f6242fbf52 (perf vendor events arm64: Remove uncountable events)
>>
>> I have used the perf tree from 20260116 instead.
> 
> This issue is still present in today's -next.

Hi Arnaldo,

Did you see [1]? If it looks ok you should be able to apply it.

[1]: 
https://lore.kernel.org/linux-perf-users/20260121-james-perf-json-delete-fix-v2-1-2e10f895bfd7@linaro.org/

Thanks
James