linux-kernel - Re: [RFT v3 0/4] Perf script: Add python script for CoreSight trace disassembler

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Date:   Mon, 28 May 2018 15:53:42 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Leo Yan <leo.yan@...aro.org>, Jonathan Corbet <corbet@....net>,
        Robert Walker <Robert.Walker@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Kim Phillips <kim.phillips@....co>,
        Tor Jeremiassen <tor@...com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        coresight@...ts.linaro.org
Subject: Re: [RFT v3 0/4] Perf script: Add python script for CoreSight trace disassembler

On 28 May 2018 at 14:03, Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> Em Mon, May 28, 2018 at 04:44:59PM +0800, Leo Yan escreveu:
>> This patch series is to support for using 'perf script' for CoreSight
>> trace disassembler, for this purpose this patch series adds a new
>> python script to parse CoreSight tracing event and use command 'objdump'
>> for disassembled lines, finally this can generate readable program
>> execution flow for reviewing tracing data.
>>
>> Patch 0001 is one fixing patch to generate samples for the start packet
>> and exception packets.
>>
>> Patch 0002 is the prerequisite to add addr into sample dict, so this
>> value can be used by python script to analyze instruction range.
>>
>> Patch 0003 is to add python script for trace disassembler.
>>
>> Patch 0004 is to add doc to explain python script usage and give
>> example for it.
>>
>> This patch series has been rebased on acme git tree [1] with the commit
>> 19422a9f2a3b ("perf tools: Fix kernel_start for PTI on x86") and tested
>> on Hikey (ARM64 octa CA53 cores).
>
> Thanks, applied to perf/core.

Please hold off on that Arnaldo - I'm currently reviewing the set and
I think some things can be improved.

Thanks,
Mathieu

>
> - Arnaldo