Date:   Thu, 11 Nov 2021 21:26:47 +0800
From:   Leo Yan <leo.yan@linaro.org>
To:     German Gomez <german.gomez@arm.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>
Cc:     linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        John Garry <john.garry@huawei.com>,
        Will Deacon <will@kernel.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/4] perf arm-spe: Track pid/tid for Arm SPE samples
Message-ID: <20211111132647.GC106654@leoy-ThinkPad-X240s>
References: <20211109115020.31623-1-german.gomez@arm.com>
 <20211111072714.GB102075@leoy-ThinkPad-X240s>
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On Thu, Nov 11, 2021 at 03:27:14PM +0800, Leo Yan wrote:
> Hi Arnaldo,
> 
> On Tue, Nov 09, 2021 at 11:50:16AM +0000, German Gomez wrote:
> > The following patchset is an iteration on RFC [1] where pid/tid info is
> > assigned to the Arm SPE synthesized samples. Two methods of tracking
> > pids are considered: hardware-based (using Arm SPE CONTEXT packets), and
> > context-switch events (from perf) as fallback.
> > 
> >   - Patch #1 enables pid tracking using RECORD_SWITCH* events from perf.
> >   - Patch #2 updates perf-record documentation and arm-spe recording so
> >     that they are consistent.
> >   - Patch #3 saves the value of SPE CONTEXT packet to the arm_spe_record
> >     struct.
> >   - Patch #4 enables hardware-based pid tracking using SPE CONTEXT
> >     packets.
> 
> I have tested this patch set, it works well on Hisilicon D06 board,
> please consider to pick up.  Thanks!

Hi Arnaldo,

Please hold on this version and German will respin a new patch set for
a found issue.

Thanks,
Leo