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Date:   Wed, 12 Oct 2022 10:04:54 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Namhyung Kim <namhyung@kernel.org>
Cc:     Kan Liang <kan.liang@linux.intel.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
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        Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
        Ravi Bangoria <ravi.bangoria@amd.com>
Subject: Re: [PATCH V2 2/6] perf/x86/intel/pebs: Fix PEBS timestamps
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On Tue, Oct 11, 2022 at 11:20:54AM -0700, Namhyung Kim wrote:

> One thing I noticed is that the system has a config option
> CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y.

You can't build x86 without that.