linux-kernel - Re: [PATCH v3 4/4] perf arm-spe: Support hardware-based PID tracing

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Date:   Thu, 11 Nov 2021 09:23:22 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     German Gomez <german.gomez@....com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        linux-perf-users <linux-perf-users@...r.kernel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 4/4] perf arm-spe: Support hardware-based PID tracing

On Thu, Nov 11, 2021 at 5:36 AM German Gomez <german.gomez@....com> wrote:
>
> If Arm SPE traces contain CONTEXT packets with TID info, use these
> values for tracking tid of samples. Otherwise fall back to using context
> switch events and display a message warning the user of possible timing
> inaccuracies [1].
>
> [1] https://lore.kernel.org/lkml/f877cfa6-9b25-6445-3806-ca44a4042eaf@arm.com/
>
> Signed-off-by: German Gomez <german.gomez@....com>

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung