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Date: Thu, 11 Nov 2021 11:49:29 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Leo Yan <leo.yan@...aro.org>
Cc: German Gomez <german.gomez@....com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
John Garry <john.garry@...wei.com>,
Will Deacon <will@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 0/4] perf arm-spe: Track pid/tid for Arm SPE samples
Em Thu, Nov 11, 2021 at 09:26:47PM +0800, Leo Yan escreveu:
> 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.
Ok
- Arnaldo
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