linux-kernel - Re: [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow

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Date:   Thu, 26 Nov 2020 09:10:28 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Will Deacon <will@...nel.org>
Cc:     Leo Yan <leo.yan@...aro.org>,
        Andre Przywara <andre.przywara@....com>,
        Dave Martin <Dave.Martin@....com>,
        James Clark <james.clark@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Al Grant <Al.Grant@....com>, Wei Li <liwei391@...wei.com>,
        John Garry <john.garry@...wei.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow

Em Wed, Nov 25, 2020 at 02:17:56PM +0000, Will Deacon escreveu:
> On Thu, Nov 19, 2020 at 11:24:25PM +0800, Leo Yan wrote:
> > This is patch set v9 for refactoring Arm SPE trace decoding and dumping.
> > 
> > According to comments and suggestions from patch set v8, it squashs the
> > two patches into single one: "perf arm-spe: Refactor printing string to
> > buffer" and "perf arm-spe: Consolidate arm_spe_pkt_desc()'s return
> > value".
> > 
> > In the patch 01/16, it renames the function arm_spe_pkt_snprintf() to
> > arm_spe_pkt_out_string(), since the function is not the same semantics
> > with snprintf(), the renaming can avoid confusion.
> > 
> > This patch set is cleanly applied on the top of perf/core branch
> > with commit 29396cd573da ("perf expr: Force encapsulation on
> > expr_id_data").
> > 
> > This patch set has been tested on Hisilicon D06 platform with commands
> > "perf report -D" and "perf script", compared the decoding results
> > between with this patch set and without this patch set, "diff" tool
> > shows the result as expected.
> > 
> > I also manually built the patches for arm/arm64/x86_64 and verfied
> > every single patch can build successfully.
> 
> I'm unable to test this, so I'm please that you can! Anyway, it all looks
> fine from a quick look:
> 
> Acked-by: Will Deacon <will@...nel.org>
> 
> so I think Arnaldo can pick this up when he's ready.

This is all ARM specific stuff, if you are good with it, I'll do just a
cursory look and apply.

- Arnaldo