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Date:   Fri, 9 Dec 2022 09:02:28 +0530
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Subject: Re: [tip: perf/core] perf/amd/ibs: Make IBS a core pmu
To:     Borislav Petkov <bp@alien8.de>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc:     linux-tip-commits@vger.kernel.org,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        Ian Rogers <irogers@google.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org, Ravi Bangoria <ravi.bangoria@amd.com>
References: <20221115093904.1799-1-ravi.bangoria@amd.com>
 <166929138346.4906.10749574210524260976.tip-bot2@tip-bot2>
 <Y5IAi/fgbJk1/h2L@zn.tnic>
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From:   Ravi Bangoria <ravi.bangoria@amd.com>
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On 08-Dec-22 8:49 PM, Borislav Petkov wrote:
> I believe this is one of the things Linus wanted to have on AMD hw.

Yes, https://lore.kernel.org/r/CAHk-=wgRm26_oT-JR+TRzDsfhD1TRxfWDM=j6kJerv+m=NU-yQ@mail.gmail.com

This patch solves per-thread profiling issue. However, -e cycles:p is
still root only because IBS hw does not support user/kernel filtering.

Thanks,
Ravi