linux-kernel - Re: [PATCH] perf/amd: Prevent grouping of IBS events

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Message-ID: <7458cdcf-0f35-5707-45ed-bec6e11a9165@amd.com>
Date:   Thu, 22 Jun 2023 09:00:27 +0530
From:   Ravi Bangoria <ravi.bangoria@....com>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Ian Rogers <irogers@...gle.com>, peterz@...radead.org,
        acme@...nel.org, jolsa@...nel.org, bp@...en8.de, x86@...nel.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        sandipan.das@....com, ananth.narayan@....com,
        santosh.shukla@....com, Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [PATCH] perf/amd: Prevent grouping of IBS events

Hi Namhyung,

> I'm just curious if ibs_fetch and ibs_op can be grouped together.

No. Both are independent hardware pmus and thus can not be grouped
together.

Thanks,
Ravi